From: Rafal Ostrowski <[email protected]>

[ Upstream commit 3539437f354bd24c98928a80d4db3a23fa2a7b19 ]

[Why]
FPU guards (DC_FP_START/DC_FP_END) are required to wrap around code that
can manipulates floats. To do this properly, the FPU guards must be used
in a file that is not compiled as a FPU unit. If the guards are used in
a file that is a FPU unit, other sections in the file that aren't guarded
may be end up being compiled to use FPU operations.

[How]
Added DC_FP_START and DC_FP_END to DC functions that call DML functions
using FPU.

Reviewed-by: Dillon Varone <[email protected]>
Signed-off-by: Rafal Ostrowski <[email protected]>
Signed-off-by: Alex Hung <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
[ Resolve empty line differences in dc_stream.c, ignore dcn42 which is
  not supported by 7.0.y. ]
Signed-off-by: Xi Ruoyao <[email protected]>
---
 .../gpu/drm/amd/display/amdgpu_dm/dc_fpu.c    |   25 +-
 .../gpu/drm/amd/display/amdgpu_dm/dc_fpu.h    |   17 +-
 .../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c  |    2 -
 .../display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c  |    2 -
 drivers/gpu/drm/amd/display/dc/core/dc.c      |    5 +-
 .../gpu/drm/amd/display/dc/core/dc_state.c    |   75 +-
 .../gpu/drm/amd/display/dc/core/dc_stream.c   |   15 +-
 .../amd/display/dc/hwss/dcn401/dcn401_hwseq.c |    4 +-
 .../dc/resource/dcn35/dcn35_resource.c        |   10 +-
 .../dc/resource/dcn35/dcn35_resource.h        |    1 +
 .../dc/resource/dcn351/dcn351_resource.c      |   10 +-
 .../dc/resource/dcn36/dcn36_resource.c        |    4 +-
 .../dc/resource/dcn401/dcn401_resource.c      |   30 +-
 .../dc/resource/dcn42/dcn42_resource.c        | 2355 +++++++++++++++++
 14 files changed, 2508 insertions(+), 47 deletions(-)
 create mode 100644 
drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c
index e46f8ce41d87..8ba9b4f56f87 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c
@@ -53,11 +53,30 @@ inline void dc_assert_fp_enabled(void)
 {
        int depth;
 
-       depth = __this_cpu_read(fpu_recursion_depth);
+       depth = this_cpu_read(fpu_recursion_depth);
 
        ASSERT(depth >= 1);
 }
 
+/**
+ * dc_assert_fp_enabled - Check if FPU protection is enabled
+ *
+ * This function tells if the code is already under FPU protection or not. A
+ * function that works as an API for a set of FPU operations can use this
+ * function for checking if the caller invoked it after DC_FP_START(). For
+ * example, take a look at dcn20_fpu.c file.
+ *
+ * Similar to dc_assert_fp_enabled, but does not assert, returns status 
instead.
+ */
+inline bool dc_is_fp_enabled(void)
+{
+       int depth;
+
+       depth = this_cpu_read(fpu_recursion_depth);
+
+       return (depth >= 1);
+}
+
 /**
  * dc_fpu_begin - Enables FPU protection
  * @function_name: A string containing the function name for debug purposes
@@ -77,7 +96,7 @@ void dc_fpu_begin(const char *function_name, const int line)
 
        WARN_ON_ONCE(!in_task());
        preempt_disable();
-       depth = __this_cpu_inc_return(fpu_recursion_depth);
+       depth = this_cpu_inc_return(fpu_recursion_depth);
        if (depth == 1) {
                BUG_ON(!kernel_fpu_available());
                kernel_fpu_begin();
@@ -100,7 +119,7 @@ void dc_fpu_end(const char *function_name, const int line)
 {
        int depth;
 
-       depth = __this_cpu_dec_return(fpu_recursion_depth);
+       depth = this_cpu_dec_return(fpu_recursion_depth);
        if (depth == 0) {
                kernel_fpu_end();
        } else {
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.h 
b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.h
index 4e921632bc4e..5e95419d3798 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.h
@@ -28,15 +28,30 @@
 #define __DC_FPU_H__
 
 void dc_assert_fp_enabled(void);
+bool dc_is_fp_enabled(void);
 void dc_fpu_begin(const char *function_name, const int line);
 void dc_fpu_end(const char *function_name, const int line);
 
 #ifndef _LINUX_FPU_COMPILATION_UNIT
 #define DC_FP_START()  dc_fpu_begin(__func__, __LINE__)
 #define DC_FP_END()    dc_fpu_end(__func__, __LINE__)
+#ifdef CONFIG_DRM_AMD_DC_FP
+#define DC_RUN_WITH_PREEMPTION_ENABLED(code) \
+       do { \
+               bool dc_fp_enabled = dc_is_fp_enabled(); \
+               if (dc_fp_enabled) \
+                       DC_FP_END(); \
+               code; \
+               if (dc_fp_enabled) \
+                       DC_FP_START(); \
+       } while (0)
+#else
+#define DC_RUN_WITH_PREEMPTION_ENABLED(code) code
+#endif // !CONFIG_DRM_AMD_DC_FP
 #else
 #define DC_FP_START()  BUILD_BUG()
 #define DC_FP_END()    BUILD_BUG()
-#endif
+#define DC_RUN_WITH_PREEMPTION_ENABLED(code) code
+#endif // !_LINUX_FPU_COMPILATION_UNIT
 
 #endif /* __DC_FPU_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c
index b0aba3a6f13c..e06f06158ac8 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c
@@ -421,10 +421,8 @@ static void dcn3_get_memclk_states_from_smu(struct clk_mgr 
*clk_mgr_base)
        clk_mgr_base->bw_params->dc_mode_softmax_memclk = 
dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_UCLK);
 
        /* Refresh bounding box */
-       DC_FP_START();
        clk_mgr_base->ctx->dc->res_pool->funcs->update_bw_bounding_box(
                        clk_mgr->base.ctx->dc, clk_mgr_base->bw_params);
-       DC_FP_END();
 }
 
 static bool dcn3_is_smu_present(struct clk_mgr *clk_mgr_base)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
index 2856b0337e87..4007ab353ffd 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
@@ -1059,11 +1059,9 @@ static void dcn32_get_memclk_states_from_smu(struct 
clk_mgr *clk_mgr_base)
        if (!clk_mgr->dpm_present)
                dcn32_patch_dpm_table(clk_mgr_base->bw_params);
 
-       DC_FP_START();
        /* Refresh bounding box */
        clk_mgr_base->ctx->dc->res_pool->funcs->update_bw_bounding_box(
                        clk_mgr->base.ctx->dc, clk_mgr_base->bw_params);
-       DC_FP_END();
 }
 
 static bool dcn32_are_clock_states_equal(struct dc_clocks *a,
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c 
b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 3e87b6a553be..0686141af3eb 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1165,11 +1165,8 @@ static bool dc_construct(struct dc *dc,
 #ifdef CONFIG_DRM_AMD_DC_FP
        dc->clk_mgr->force_smu_not_present = init_params->force_smu_not_present;
 
-       if (dc->res_pool->funcs->update_bw_bounding_box) {
-               DC_FP_START();
+       if (dc->res_pool->funcs->update_bw_bounding_box)
                dc->res_pool->funcs->update_bw_bounding_box(dc, 
dc->clk_mgr->bw_params);
-               DC_FP_END();
-       }
        dc->soc_and_ip_translator = 
dc_create_soc_and_ip_translator(dc_ctx->dce_version);
        if (!dc->soc_and_ip_translator)
                goto fail;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c 
b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
index a40e5c44143f..13d334c2cb6b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
@@ -205,19 +205,33 @@ struct dc_state *dc_state_create(struct dc *dc, struct 
dc_state_create_params *p
        state->power_source = params ? params->power_source : 
DC_POWER_SOURCE_AC;
 
 #ifdef CONFIG_DRM_AMD_DC_FP
+       bool status;
+
        if (dc->debug.using_dml2) {
-               if (!dml2_create(dc, &dc->dml2_options, &state->bw_ctx.dml2)) {
+               DC_FP_START();
+               status = dml2_create(dc, &dc->dml2_options, 
&state->bw_ctx.dml2);
+               DC_FP_END();
+
+               if (!status) {
                        dc_state_release(state);
                        return NULL;
                }
 
-               if (dc->caps.dcmode_power_limits_present && !dml2_create(dc, 
&dc->dml2_dc_power_options, &state->bw_ctx.dml2_dc_power_source)) {
-                       dc_state_release(state);
-                       return NULL;
+               if (dc->caps.dcmode_power_limits_present) {
+                       bool status;
+
+                       DC_FP_START();
+                       status = dml2_create(dc, &dc->dml2_dc_power_options, 
&state->bw_ctx.dml2_dc_power_source);
+                       DC_FP_END();
+
+                       if (!status) {
+                               dc_state_release(state);
+                               return NULL;
+                       }
                }
-       }
-#endif
 
+       }
+#endif // CONFIG_DRM_AMD_DC_FP
        kref_init(&state->refcount);
 
        return state;
@@ -235,14 +249,20 @@ void dc_state_copy(struct dc_state *dst_state, struct 
dc_state *src_state)
 
 #ifdef CONFIG_DRM_AMD_DC_FP
        dst_state->bw_ctx.dml2 = dst_dml2;
-       if (src_state->bw_ctx.dml2)
+       if (src_state->bw_ctx.dml2) {
+               DC_FP_START();
                dml2_copy(dst_state->bw_ctx.dml2, src_state->bw_ctx.dml2);
+               DC_FP_END();
+       }
 
        dst_state->bw_ctx.dml2_dc_power_source = dst_dml2_dc_power_source;
-       if (src_state->bw_ctx.dml2_dc_power_source)
-               dml2_copy(dst_state->bw_ctx.dml2_dc_power_source, 
src_state->bw_ctx.dml2_dc_power_source);
-#endif
 
+       if (src_state->bw_ctx.dml2_dc_power_source) {
+               DC_FP_START();
+               dml2_copy(dst_state->bw_ctx.dml2_dc_power_source, 
src_state->bw_ctx.dml2_dc_power_source);
+               DC_FP_END();
+       }
+#endif // CONFIG_DRM_AMD_DC_FP
        /* context refcount should not be overridden */
        dst_state->refcount = refcount;
 }
@@ -258,22 +278,35 @@ struct dc_state *dc_state_create_copy(struct dc_state 
*src_state)
        dc_state_copy_internal(new_state, src_state);
 
 #ifdef CONFIG_DRM_AMD_DC_FP
+       bool status;
+
        new_state->bw_ctx.dml2 = NULL;
        new_state->bw_ctx.dml2_dc_power_source = NULL;
 
-       if (src_state->bw_ctx.dml2 &&
-                       !dml2_create_copy(&new_state->bw_ctx.dml2, 
src_state->bw_ctx.dml2)) {
-               dc_state_release(new_state);
-               return NULL;
-       }
+       if (src_state->bw_ctx.dml2) {
+               DC_FP_START();
+               status = dml2_create_copy(&new_state->bw_ctx.dml2, 
src_state->bw_ctx.dml2);
+               DC_FP_END();
 
-       if (src_state->bw_ctx.dml2_dc_power_source &&
-                       
!dml2_create_copy(&new_state->bw_ctx.dml2_dc_power_source, 
src_state->bw_ctx.dml2_dc_power_source)) {
-               dc_state_release(new_state);
-               return NULL;
+               if (!status) {
+                       dc_state_release(new_state);
+                       return NULL;
+               }
        }
-#endif
 
+
+       if (src_state->bw_ctx.dml2_dc_power_source) {
+               DC_FP_START();
+               status = 
dml2_create_copy(&new_state->bw_ctx.dml2_dc_power_source,
+                                         
src_state->bw_ctx.dml2_dc_power_source);
+               DC_FP_END();
+
+               if (!status) {
+                       dc_state_release(new_state);
+                       return NULL;
+               }
+       }
+#endif // CONFIG_DRM_AMD_DC_FP
        kref_init(&new_state->refcount);
 
        return new_state;
@@ -351,11 +384,13 @@ static void dc_state_free(struct kref *kref)
        dc_state_destruct(state);
 
 #ifdef CONFIG_DRM_AMD_DC_FP
+       DC_FP_START();
        dml2_destroy(state->bw_ctx.dml2);
        state->bw_ctx.dml2 = 0;
 
        dml2_destroy(state->bw_ctx.dml2_dc_power_source);
        state->bw_ctx.dml2_dc_power_source = 0;
+       DC_FP_END();
 #endif
 
        kvfree(state);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c 
b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index baf820e6eae8..dca64e1671f6 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -42,6 +42,13 @@
 #define MAX(x, y) ((x > y) ? x : y)
 #endif
 
+#include "dc_fpu.h"
+
+#if !defined(DC_RUN_WITH_PREEMPTION_ENABLED)
+#define DC_RUN_WITH_PREEMPTION_ENABLED(code) code
+#endif // !DC_RUN_WITH_PREEMPTION_ENABLED
+
+
 
/*******************************************************************************
  * Private functions
  
******************************************************************************/
@@ -170,11 +177,15 @@ struct dc_stream_state *dc_create_stream_for_sink(
        if (sink == NULL)
                goto fail;
 
-       stream = kzalloc_obj(struct dc_stream_state, GFP_ATOMIC);
+       DC_RUN_WITH_PREEMPTION_ENABLED(stream = kzalloc_obj(struct 
dc_stream_state, GFP_ATOMIC));
+
        if (stream == NULL)
                goto fail;
 
-       stream->update_scratch = kzalloc((int32_t) 
dc_update_scratch_space_size(), GFP_ATOMIC);
+       DC_RUN_WITH_PREEMPTION_ENABLED(stream->update_scratch =
+                                       kzalloc((int32_t) 
dc_update_scratch_space_size(),
+                                               GFP_ATOMIC));
+
        if (stream->update_scratch == NULL)
                goto fail;
 
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c 
b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
index 4dfb6c865831..a6c3a1f5fbfa 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
@@ -371,8 +371,8 @@ void dcn401_init_hw(struct dc *dc)
                    dc->res_pool->funcs->update_bw_bounding_box &&
                    dc->clk_mgr && dc->clk_mgr->bw_params) {
                        /* update bounding box if FAMS2 disabled, or if dchub 
clk has changed */
-                       dc->res_pool->funcs->update_bw_bounding_box(dc,
-                                                                   
dc->clk_mgr->bw_params);
+                       if (dc->clk_mgr)
+                               dc->res_pool->funcs->update_bw_bounding_box(dc, 
dc->clk_mgr->bw_params);
                }
        }
 }
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c 
b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
index 598b2f25881d..adbd23fcc9b7 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
@@ -1773,9 +1773,11 @@ static enum dc_status dcn35_validate_bandwidth(struct dc 
*dc,
 {
        bool out = false;
 
+       DC_FP_START();
        out = dml2_validate(dc, context,
                        context->power_source == DC_POWER_SOURCE_DC ? 
context->bw_ctx.dml2_dc_power_source : context->bw_ctx.dml2,
                        validate_mode);
+       DC_FP_END();
 
        if (validate_mode != DC_VALIDATE_MODE_AND_PROGRAMMING)
                return out ? DC_OK : DC_FAIL_BANDWIDTH_VALIDATE;
@@ -1809,6 +1811,12 @@ static int populate_dml_pipes_from_context_fpu(struct dc 
*dc,
        return ret;
 }
 
+void dcn35_update_bw_bounding_box(struct dc *dc, struct clk_bw_params 
*bw_params)
+{
+       DC_FP_START();
+       dcn35_update_bw_bounding_box_fpu(dc, bw_params);
+       DC_FP_END();
+}
 static struct resource_funcs dcn35_res_pool_funcs = {
        .destroy = dcn35_destroy_resource_pool,
        .link_enc_create = dcn35_link_encoder_create,
@@ -1830,7 +1838,7 @@ static struct resource_funcs dcn35_res_pool_funcs = {
        .find_first_free_match_stream_enc_for_link = 
dcn10_find_first_free_match_stream_enc_for_link,
        .acquire_post_bldn_3dlut = dcn30_acquire_post_bldn_3dlut,
        .release_post_bldn_3dlut = dcn30_release_post_bldn_3dlut,
-       .update_bw_bounding_box = dcn35_update_bw_bounding_box_fpu,
+       .update_bw_bounding_box = dcn35_update_bw_bounding_box,
        .patch_unknown_plane_state = dcn35_patch_unknown_plane_state,
        .get_panel_config_defaults = dcn35_get_panel_config_defaults,
        .get_preferred_eng_id_dpia = dcn35_get_preferred_eng_id_dpia,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.h 
b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.h
index 9c56ae76e0c7..6c2c61c711b9 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.h
@@ -312,4 +312,5 @@ struct resource_pool *dcn35_create_resource_pool(
 #define DPP_REG_LIST_DCN35_RI(id)\
        DPP_REG_LIST_DCN30_COMMON_RI(id)
 
+void dcn35_update_bw_bounding_box(struct dc *dc, struct clk_bw_params 
*bw_params);
 #endif /* _DCN35_RESOURCE_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c 
b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
index 7e15d07df7a3..dc70b771633f 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
@@ -1753,9 +1753,11 @@ static enum dc_status dcn351_validate_bandwidth(struct 
dc *dc,
 {
        bool out = false;
 
+       DC_FP_START();
        out = dml2_validate(dc, context,
                        context->power_source == DC_POWER_SOURCE_DC ? 
context->bw_ctx.dml2_dc_power_source : context->bw_ctx.dml2,
                        validate_mode);
+       DC_FP_END();
 
        if (validate_mode != DC_VALIDATE_MODE_AND_PROGRAMMING)
                return out ? DC_OK : DC_FAIL_BANDWIDTH_VALIDATE;
@@ -1782,6 +1784,12 @@ static int populate_dml_pipes_from_context_fpu(struct dc 
*dc,
 
 }
 
+static void dcn351_update_bw_bounding_box(struct dc *dc, struct clk_bw_params 
*bw_params)
+{
+       DC_FP_START();
+       dcn351_update_bw_bounding_box_fpu(dc, bw_params);
+       DC_FP_END();
+}
 static struct resource_funcs dcn351_res_pool_funcs = {
        .destroy = dcn351_destroy_resource_pool,
        .link_enc_create = dcn35_link_encoder_create,
@@ -1803,7 +1811,7 @@ static struct resource_funcs dcn351_res_pool_funcs = {
        .find_first_free_match_stream_enc_for_link = 
dcn10_find_first_free_match_stream_enc_for_link,
        .acquire_post_bldn_3dlut = dcn30_acquire_post_bldn_3dlut,
        .release_post_bldn_3dlut = dcn30_release_post_bldn_3dlut,
-       .update_bw_bounding_box = dcn351_update_bw_bounding_box_fpu,
+       .update_bw_bounding_box = dcn351_update_bw_bounding_box,
        .patch_unknown_plane_state = dcn35_patch_unknown_plane_state,
        .get_panel_config_defaults = dcn35_get_panel_config_defaults,
        .get_preferred_eng_id_dpia = dcn351_get_preferred_eng_id_dpia,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c 
b/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c
index 83fee2ca61bf..2667a2e8b04f 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c
@@ -1760,9 +1760,11 @@ static enum dc_status dcn35_validate_bandwidth(struct dc 
*dc,
 {
        bool out = false;
 
+       DC_FP_START();
        out = dml2_validate(dc, context,
                        context->power_source == DC_POWER_SOURCE_DC ? 
context->bw_ctx.dml2_dc_power_source : context->bw_ctx.dml2,
                        validate_mode);
+       DC_FP_END();
 
        if (validate_mode != DC_VALIDATE_MODE_AND_PROGRAMMING)
                return out ? DC_OK : DC_FAIL_BANDWIDTH_VALIDATE;
@@ -1810,7 +1812,7 @@ static struct resource_funcs dcn36_res_pool_funcs = {
        .find_first_free_match_stream_enc_for_link = 
dcn10_find_first_free_match_stream_enc_for_link,
        .acquire_post_bldn_3dlut = dcn30_acquire_post_bldn_3dlut,
        .release_post_bldn_3dlut = dcn30_release_post_bldn_3dlut,
-       .update_bw_bounding_box = dcn35_update_bw_bounding_box_fpu,
+       .update_bw_bounding_box = dcn35_update_bw_bounding_box,
        .patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
        .get_panel_config_defaults = dcn35_get_panel_config_defaults,
        .get_preferred_eng_id_dpia = dcn36_get_preferred_eng_id_dpia,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c 
b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
index e37aab939a41..237d1a561da7 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
@@ -1643,8 +1643,10 @@ static struct dc_cap_funcs cap_funcs = {
        .get_subvp_en = dcn32_subvp_in_use,
 };
 
-static void dcn401_update_bw_bounding_box(struct dc *dc, struct clk_bw_params 
*bw_params)
+static void dcn401_update_bw_bounding_box_fpu(struct dc *dc, struct 
clk_bw_params *bw_params)
 {
+       dc_assert_fp_enabled();
+
        /* re-calculate the available MALL size if required */
        if (bw_params->num_channels > 0) {
                dc->caps.max_cab_allocation_bytes = 
dcn401_calc_num_avail_chans_for_mall(
@@ -1653,17 +1655,19 @@ static void dcn401_update_bw_bounding_box(struct dc 
*dc, struct clk_bw_params *b
                dc->caps.mall_size_total = dc->caps.max_cab_allocation_bytes;
        }
 
-       DC_FP_START();
-
        if (dc->debug.using_dml2 && dc->current_state && 
dc->current_state->bw_ctx.dml2)
                dml2_reinit(dc, &dc->dml2_options, 
&dc->current_state->bw_ctx.dml2);
 
        if (dc->debug.using_dml2 && dc->current_state && 
dc->current_state->bw_ctx.dml2_dc_power_source)
                dml2_reinit(dc, &dc->dml2_dc_power_options, 
&dc->current_state->bw_ctx.dml2_dc_power_source);
+}
 
+static void dcn401_update_bw_bounding_box(struct dc *dc, struct clk_bw_params 
*bw_params)
+{
+       DC_FP_START();
+       dcn401_update_bw_bounding_box_fpu(dc, bw_params);
        DC_FP_END();
 }
-
 enum dc_status dcn401_patch_unknown_plane_state(struct dc_plane_state 
*plane_state)
 {
        plane_state->tiling_info.gfxversion = DcGfxAddr3;
@@ -1688,10 +1692,13 @@ enum dc_status dcn401_validate_bandwidth(struct dc *dc,
                }
        }
 
-       if (dc->debug.using_dml2)
+       if (dc->debug.using_dml2) {
+               DC_FP_START();
                status = dml2_validate(dc, context,
                                context->power_source == DC_POWER_SOURCE_DC ? 
context->bw_ctx.dml2_dc_power_source : context->bw_ctx.dml2,
                                validate_mode) ? DC_OK : 
DC_FAIL_BANDWIDTH_VALIDATE;
+               DC_FP_END();
+       }
 
        if (validate_mode == DC_VALIDATE_MODE_AND_PROGRAMMING && status == 
DC_OK && dc_state_is_subvp_in_use(context)) {
                /* check new stream configuration still supports cursor if 
subvp used */
@@ -1710,10 +1717,13 @@ enum dc_status dcn401_validate_bandwidth(struct dc *dc,
 
        if (validate_mode == DC_VALIDATE_MODE_AND_PROGRAMMING && status == 
DC_FAIL_HW_CURSOR_SUPPORT) {
                /* attempt to validate again with subvp disabled due to cursor 
*/
-               if (dc->debug.using_dml2)
+               if (dc->debug.using_dml2) {
+                       DC_FP_START();
                        status = dml2_validate(dc, context,
                                        context->power_source == 
DC_POWER_SOURCE_DC ? context->bw_ctx.dml2_dc_power_source : 
context->bw_ctx.dml2,
                                        validate_mode) ? DC_OK : 
DC_FAIL_BANDWIDTH_VALIDATE;
+                       DC_FP_END();
+               }
        }
 
        return status;
@@ -1722,9 +1732,13 @@ enum dc_status dcn401_validate_bandwidth(struct dc *dc,
 void dcn401_prepare_mcache_programming(struct dc *dc,
                struct dc_state *context)
 {
-       if (dc->debug.using_dml21)
+       if (dc->debug.using_dml21) {
+               DC_FP_START();
                dml2_prepare_mcache_programming(dc, context,
-                               context->power_source == DC_POWER_SOURCE_DC ? 
context->bw_ctx.dml2_dc_power_source : context->bw_ctx.dml2);
+                       context->power_source == DC_POWER_SOURCE_DC ?
+                       context->bw_ctx.dml2_dc_power_source : 
context->bw_ctx.dml2);
+               DC_FP_END();
+       }
 }
 
 static void dcn401_build_pipe_pix_clk_params(struct pipe_ctx *pipe_ctx)
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c 
b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c
new file mode 100644
index 000000000000..b9532ebcced4
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c
@@ -0,0 +1,2355 @@
+// SPDX-License-Identifier: MIT
+//
+// Copyright 2026 Advanced Micro Devices, Inc.
+
+#include "dm_services.h"
+#include "dc.h"
+
+#include "dcn32/dcn32_init.h"
+#include "dcn42/dcn42_init.h"
+
+#include "resource.h"
+#include "include/irq_service_interface.h"
+
+#include "dcn42_resource.h"
+#include "dcn42_resource_fpu.h"
+#include "dcn20/dcn20_resource.h"
+#include "dcn30/dcn30_resource.h"
+#include "dcn31/dcn31_resource.h"
+#include "dcn32/dcn32_resource.h"
+#include "dcn35/dcn35_resource.h"
+#include "dcn321/dcn321_resource.h"
+#include "dcn401/dcn401_resource.h"
+
+#include "dcn10/dcn10_ipp.h"
+#include "dcn35/dcn35_hubbub.h"
+#include "dcn42/dcn42_hubbub.h"
+#include "dcn401/dcn401_mpc.h"
+#include "dcn42/dcn42_mpc.h"
+#include "dcn35/dcn35_hubp.h"
+#include "dcn42/dcn42_hubp.h"
+#include "irq/dcn42/irq_service_dcn42.h"
+#include "dcn42/dcn42_dpp.h"
+#include "dcn401/dcn401_dsc.h"
+#include "dcn42/dcn42_optc.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn30/dcn30_hwseq.h"
+#include "dce110/dce110_hwseq.h"
+#include "dcn35/dcn35_opp.h"
+#include "dcn30/dcn30_vpg.h"
+#include "dcn31/dcn31_vpg.h"
+#include "dcn42/dcn42_dio_stream_encoder.h"
+#include "dcn42/dcn42_pg_cntl.h"
+#include "dcn31/dcn31_hpo_dp_stream_encoder.h"
+#include "dcn31/dcn31_hpo_dp_link_encoder.h"
+#include "dcn32/dcn32_hpo_dp_link_encoder.h"
+#include "dcn42/dcn42_hpo_dp_link_encoder.h"
+#include "dcn31/dcn31_apg.h"
+#include "dcn31/dcn31_dio_link_encoder.h"
+#include "dcn401/dcn401_dio_link_encoder.h"
+#include "dcn10/dcn10_link_encoder.h"
+#include "dcn321/dcn321_dio_link_encoder.h"
+#include "dce/dce_clock_source.h"
+#include "dce/dce_audio.h"
+#include "dce/dce_hwseq.h"
+#include "clk_mgr.h"
+#include "dio/virtual/virtual_stream_encoder.h"
+#include "dml/display_mode_vba.h"
+#include "dcn42/dcn42_dccg.h"
+#include "dcn10/dcn10_resource.h"
+#include "link_service.h"
+#include "dcn31/dcn31_panel_cntl.h"
+
+#include "dcn30/dcn30_dwb.h"
+#include "dcn42/dcn42_mmhubbub.h"
+#include "dcn42/dcn42_dio_link_encoder.h"
+
+#include "dcn/dcn_4_2_0_offset.h"
+#include "dcn/dcn_4_2_0_sh_mask.h"
+#include "dpcs/dpcs_4_0_0_offset.h"
+#include "dpcs/dpcs_4_0_0_sh_mask.h"
+
+#include "reg_helper.h"
+#include "dce/dmub_abm.h"
+#include "dce/dmub_psr.h"
+#include "dce/dmub_replay.h"
+#include "dce/dce_aux.h"
+#include "dce/dce_i2c.h"
+
+#include "dml/dcn30/display_mode_vba_30.h"
+#include "vm_helper.h"
+#include "dcn20/dcn20_vmid.h"
+
+#include "dc_state_priv.h"
+#include "link_enc_cfg.h"
+
+#include "dml2_0/dml2_wrapper.h"
+
+#define regBIF_BX0_BIOS_SCRATCH_3                            0x003b
+#define regBIF_BX0_BIOS_SCRATCH_3_BASE_IDX                   1
+#define regBIF_BX0_BIOS_SCRATCH_6                            0x003e
+#define regBIF_BX0_BIOS_SCRATCH_6_BASE_IDX                   1
+
+#define DC_LOGGER_INIT(logger)
+
+enum dcn401_clk_src_array_id {
+       DCN401_CLK_SRC_PLL0,
+       DCN401_CLK_SRC_PLL1,
+       DCN401_CLK_SRC_PLL2,
+       DCN401_CLK_SRC_PLL3,
+       DCN401_CLK_SRC_PLL4,
+       DCN401_CLK_SRC_TOTAL
+};
+
+/* begin
+ * macros to expend register list macro defined in HW object header file
+ */
+
+/* DCN */
+#define BASE_INNER(seg) ctx->dcn_reg_offsets[seg]
+
+#define BASE(seg) BASE_INNER(seg)
+
+#define SR(reg_name)                                       \
+       REG_STRUCT.reg_name = BASE(reg##reg_name##_BASE_IDX) + \
+                                                 reg##reg_name
+#define SR_ARR(reg_name, id)                                   \
+       REG_STRUCT[id].reg_name = BASE(reg##reg_name##_BASE_IDX) + \
+                                                         reg##reg_name
+#define SR_ARR_INIT(reg_name, id, value) \
+       REG_STRUCT[id].reg_name = value
+
+#define SRI(reg_name, block, id)                                         \
+       REG_STRUCT.reg_name = BASE(reg##block##id##_##reg_name##_BASE_IDX) + \
+                                                 reg##block##id##_##reg_name
+
+#define SRI_ARR(reg_name, block, id)                                         \
+       REG_STRUCT[id].reg_name = BASE(reg##block##id##_##reg_name##_BASE_IDX) 
+ \
+                                                         
reg##block##id##_##reg_name
+
+/*
+ * Used when a reg_name would otherwise begin with an integer
+ */
+#define SRI_ARR_US(reg_name, block, id)                                   \
+       REG_STRUCT[id].reg_name = BASE(reg##block##id##reg_name##_BASE_IDX) + \
+                                                         
reg##block##id##reg_name
+#define SR_ARR_I2C(reg_name, id) \
+       REG_STRUCT[id - 1].reg_name = BASE(reg##reg_name##_BASE_IDX) + 
reg##reg_name
+
+#define SRI_ARR_I2C(reg_name, block, id)                                       
  \
+       REG_STRUCT[id - 1].reg_name = 
BASE(reg##block##id##_##reg_name##_BASE_IDX) + \
+                                                                 
reg##block##id##_##reg_name
+
+
+#define SRI_ARR_ALPHABET(reg_name, block, index, id)                           
 \
+       REG_STRUCT[index].reg_name = 
BASE(reg##block##id##_##reg_name##_BASE_IDX) + \
+                                                                
reg##block##id##_##reg_name
+
+#define SRI2(reg_name, block, id)                \
+       .reg_name = BASE(reg##reg_name##_BASE_IDX) + \
+                               reg##reg_name
+#define SRI2_ARR(reg_name, block, id)                          \
+       REG_STRUCT[id].reg_name = BASE(reg##reg_name##_BASE_IDX) + \
+                                                         reg##reg_name
+
+#define SRIR(var_name, reg_name, block, id)                    \
+       .var_name = BASE(reg##block##id##_##reg_name##_BASE_IDX) + \
+                               reg##block##id##_##reg_name
+
+#define SRII(reg_name, block, id)                                            \
+       REG_STRUCT.reg_name[id] = BASE(reg##block##id##_##reg_name##_BASE_IDX) 
+ \
+                                                         
reg##block##id##_##reg_name
+
+#define SRII_ARR_2(reg_name, block, id, inst)                                  
    \
+       REG_STRUCT[inst].reg_name[id] = 
BASE(reg##block##id##_##reg_name##_BASE_IDX) + \
+                                                                       
reg##block##id##_##reg_name
+
+#define SRII_MPC_RMU(reg_name, block, id)                                  \
+       .RMU##_##reg_name[id] = BASE(reg##block##id##_##reg_name##_BASE_IDX) + \
+                                                       
reg##block##id##_##reg_name
+
+#define SRII_DWB(reg_name, temp_name, block, id)                              \
+       REG_STRUCT.reg_name[id] = \
+               BASE(reg##block##id##_##temp_name##_BASE_IDX) + \
+                                                         
reg##block##id##_##temp_name
+
+#define DCCG_SRII(reg_name, block, id)                                         
        \
+       REG_STRUCT.block##_##reg_name[id] = \
+               BASE(reg##block##id##_##reg_name##_BASE_IDX) + \
+                                                                               
reg##block##id##_##reg_name
+
+#define SF_DWB2(reg_name, block, id, field_name, post_fix) \
+       .field_name = reg_name##__##field_name##post_fix
+
+#define VUPDATE_SRII(reg_name, block, id)                                    \
+       REG_STRUCT.reg_name[id] = BASE(reg##reg_name##_##block##id##_BASE_IDX) 
+ \
+                                                         
reg##reg_name##_##block##id
+
+/* NBIO */
+#define NBIO_BASE_INNER(seg) ctx->nbio_reg_offsets[seg]
+
+#define NBIO_BASE(seg) \
+       NBIO_BASE_INNER(seg)
+
+#define NBIO_SR(reg_name)                                               \
+       REG_STRUCT.reg_name = NBIO_BASE(regBIF_BX0_##reg_name##_BASE_IDX) + \
+                                                 regBIF_BX0_##reg_name
+#define NBIO_SR_ARR(reg_name, id)                                           \
+       REG_STRUCT[id].reg_name = NBIO_BASE(regBIF_BX0_##reg_name##_BASE_IDX) + 
\
+                                                         regBIF_BX0_##reg_name
+
+#define CTX ctx
+#define REG(reg_name) \
+       (ctx->dcn_reg_offsets[reg##reg_name##_BASE_IDX] + reg##reg_name)
+
+static struct bios_registers bios_regs;
+
+#define bios_regs_init()     \
+       NBIO_SR(BIOS_SCRATCH_3), \
+               NBIO_SR(BIOS_SCRATCH_6)
+
+#define clk_src_regs_init(index, pllid) \
+       CS_COMMON_REG_LIST_DCN42_RI(index, pllid)
+
+static struct dce110_clk_src_regs clk_src_regs[5];
+
+static const struct dce110_clk_src_shift cs_shift = {
+       CS_COMMON_MASK_SH_LIST_DCN3_1_4(__SHIFT)
+};
+static const struct dce110_clk_src_mask cs_mask = {
+       CS_COMMON_MASK_SH_LIST_DCN3_1_4(_MASK)
+};
+#define abm_regs_init(id) \
+       ABM_DCN42_REG_LIST_RI(id)
+
+static struct dce_abm_registers abm_regs[4];
+
+static const struct dce_abm_shift abm_shift = {
+       ABM_MASK_SH_LIST_DCN42(__SHIFT)};
+
+static const struct dce_abm_mask abm_mask = {
+       ABM_MASK_SH_LIST_DCN42(_MASK)};
+
+#define audio_regs_init(id) \
+       AUD_COMMON_REG_LIST_RI(id)
+
+static struct dce_audio_registers audio_regs[5];
+
+static const struct dce_audio_shift audio_shift = {
+               DCN42_AUD_COMMON_MASK_SH_LIST(__SHIFT)
+};
+
+static const struct dce_audio_mask audio_mask = {
+               DCN42_AUD_COMMON_MASK_SH_LIST(_MASK)
+};
+
+#define vpg_regs_init(id) \
+       VPG_DCN401_REG_LIST_RI(id)
+
+static struct dcn31_vpg_registers vpg_regs[10];
+
+static const struct dcn31_vpg_shift vpg_shift = {
+       DCN31_VPG_MASK_SH_LIST(__SHIFT)};
+
+static const struct dcn31_vpg_mask vpg_mask = {
+       DCN31_VPG_MASK_SH_LIST(_MASK)};
+
+#define apg_regs_init(id) \
+       APG_DCN31_REG_LIST_RI(id)
+
+static struct dcn31_apg_registers apg_regs[10];
+
+static const struct dcn31_apg_shift apg_shift = {
+       DCN31_APG_MASK_SH_LIST(__SHIFT)};
+
+static const struct dcn31_apg_mask apg_mask = {
+       DCN31_APG_MASK_SH_LIST(_MASK)};
+
+#define stream_enc_regs_init(id) \
+       SE_DCN42_REG_LIST_RI(id)
+
+static struct dcn10_stream_enc_registers stream_enc_regs[5];
+
+static const struct dcn10_stream_encoder_shift se_shift = {
+       SE_COMMON_MASK_SH_LIST_DCN42(__SHIFT)};
+
+static const struct dcn10_stream_encoder_mask se_mask = {
+       SE_COMMON_MASK_SH_LIST_DCN42(_MASK)};
+
+#define aux_regs_init(id) \
+       DCN2_AUX_REG_LIST_RI(id)
+
+static struct dcn10_link_enc_aux_registers link_enc_aux_regs[5];
+
+#define hpd_regs_init(id) \
+       HPD_REG_LIST_RI(id)
+
+static struct dcn10_link_enc_hpd_registers link_enc_hpd_regs[5];
+
+#define link_regs_init(id, phyid) \
+       LE_DCN401_REG_LIST_RI(id)
+
+static struct dcn10_link_enc_registers link_enc_regs[5];
+
+static const struct dcn10_link_enc_shift le_shift = {
+       LINK_ENCODER_MASK_SH_LIST_DCN42(__SHIFT)};
+
+static const struct dcn10_link_enc_mask le_mask = {
+       LINK_ENCODER_MASK_SH_LIST_DCN42(_MASK)};
+
+#define hpo_dp_stream_encoder_reg_init(id) \
+       DCN42_HPO_DP_STREAM_ENC_REG_LIST_RI(id)
+
+static struct dcn31_hpo_dp_stream_encoder_registers hpo_dp_stream_enc_regs[4];
+
+static const struct dcn31_hpo_dp_stream_encoder_shift hpo_dp_se_shift = {
+       DCN4_2_HPO_DP_STREAM_ENC_MASK_SH_LIST(__SHIFT)};
+
+static const struct dcn31_hpo_dp_stream_encoder_mask hpo_dp_se_mask = {
+       DCN4_2_HPO_DP_STREAM_ENC_MASK_SH_LIST(_MASK)};
+
+#define hpo_dp_link_encoder_reg_init(id) \
+       DCN42_HPO_DP_LINK_ENC_REG_LIST_RI(id)
+
+static struct dcn31_hpo_dp_link_encoder_registers hpo_dp_link_enc_regs[4];
+
+static const struct dcn31_hpo_dp_link_encoder_shift hpo_dp_le_shift = {
+       DCN3_2_HPO_DP_LINK_ENC_MASK_SH_LIST(__SHIFT)};
+
+static const struct dcn31_hpo_dp_link_encoder_mask hpo_dp_le_mask = {
+       DCN3_2_HPO_DP_LINK_ENC_MASK_SH_LIST(_MASK)};
+
+#define dpp_regs_init(id) \
+       DPP_REG_LIST_DCN42_COMMON_RI(id)
+
+static struct dcn42_dpp_registers dpp_regs[4];
+
+static const struct dcn42_dpp_shift tf_shift = {
+       DPP_REG_LIST_SH_MASK_DCN42_COMMON(__SHIFT)};
+
+static const struct dcn42_dpp_mask tf_mask = {
+       DPP_REG_LIST_SH_MASK_DCN42_COMMON(_MASK)};
+
+#define opp_regs_init(id) \
+       OPP_REG_LIST_DCN401_RI(id)
+
+static struct dcn20_opp_registers opp_regs[4];
+
+static const struct dcn20_opp_shift opp_shift = {
+       OPP_MASK_SH_LIST_DCN20(__SHIFT)};
+
+static const struct dcn20_opp_mask opp_mask = {
+       OPP_MASK_SH_LIST_DCN20(_MASK)};
+
+#define aux_engine_regs_init(id)                                              \
+       AUX_COMMON_REG_LIST0_RI(id), SR_ARR_INIT(AUXN_IMPCAL, id, 0),           
  \
+               SR_ARR_INIT(AUXP_IMPCAL, id, 0),                                
      \
+               SR_ARR_INIT(AUX_RESET_MASK, id, 
DP_AUX0_AUX_CONTROL__AUX_RESET_MASK), \
+               SR_ARR_INIT(AUX_RESET_MASK, id, 
DP_AUX0_AUX_CONTROL__AUX_RESET_MASK)
+
+static struct dce110_aux_registers aux_engine_regs[5];
+
+static const struct dce110_aux_registers_shift aux_shift = {
+       DCN_AUX_MASK_SH_LIST(__SHIFT)};
+
+static const struct dce110_aux_registers_mask aux_mask = {
+       DCN_AUX_MASK_SH_LIST(_MASK)};
+
+#define dwbc_regs_dcn401_init(id) \
+       DWBC_COMMON_REG_LIST_DCN30_RI(id)
+
+static struct dcn30_dwbc_registers dwbc401_regs[1];
+
+static const struct dcn30_dwbc_shift dwbc401_shift = {
+       DWBC_COMMON_MASK_SH_LIST_DCN30(__SHIFT)};
+
+static const struct dcn30_dwbc_mask dwbc401_mask = {
+       DWBC_COMMON_MASK_SH_LIST_DCN30(_MASK)};
+
+#define mcif_wb_regs_dcn3_init(id) \
+       MCIF_WB_COMMON_REG_LIST_DCN3_5_RI(id)
+
+static struct dcn35_mmhubbub_registers mcif_wb35_regs[1];
+
+static const struct dcn35_mmhubbub_shift mcif_wb35_shift = {
+       MCIF_WB_COMMON_MASK_SH_LIST_DCN3_5(__SHIFT)};
+
+static const struct dcn35_mmhubbub_mask mcif_wb35_mask = {
+       MCIF_WB_COMMON_MASK_SH_LIST_DCN3_5(_MASK)};
+
+#define dsc_regs_init(id) \
+       DSC_REG_LIST_DCN401_RI(id)
+
+static struct dcn401_dsc_registers dsc_regs[4];
+
+static const struct dcn401_dsc_shift dsc_shift = {
+       DSC_REG_LIST_SH_MASK_DCN401(__SHIFT)};
+
+static const struct dcn401_dsc_mask dsc_mask = {
+       DSC_REG_LIST_SH_MASK_DCN401(_MASK)};
+
+static struct dcn42_mpc_registers mpc_regs;
+
+#define dcn_mpc_regs_init()                \
+       MPC_REG_LIST_DCN42(0),                 \
+               MPC_REG_LIST_DCN42(1),             \
+               MPC_REG_LIST_DCN42(2),             \
+               MPC_REG_LIST_DCN42(3),             \
+               MPC_OUT_MUX_REG_LIST_DCN3_0_RI(0), \
+               MPC_OUT_MUX_REG_LIST_DCN3_0_RI(1), \
+               MPC_OUT_MUX_REG_LIST_DCN3_0_RI(2), \
+               MPC_OUT_MUX_REG_LIST_DCN3_0_RI(3), \
+               MPC_DWB_MUX_REG_LIST_DCN3_0_RI(0), \
+               MPC_RMCM_REG_LIST_DCN42(0),                \
+               MPC_RMCM_REG_LIST_DCN42(1)
+
+static const struct dcn42_mpc_shift mpc_shift = {
+       MPC_COMMON_MASK_SH_LIST_DCN42(__SHIFT)};
+
+static const struct dcn42_mpc_mask mpc_mask = {
+       MPC_COMMON_MASK_SH_LIST_DCN42(_MASK)};
+
+#define optc_regs_init(id) \
+       OPTC_COMMON_REG_LIST_DCN42_RI(id)
+
+static struct dcn_optc_registers optc_regs[4];
+
+static const struct dcn_optc_shift optc_shift = {
+       OPTC_COMMON_MASK_SH_LIST_DCN42(__SHIFT)};
+
+static const struct dcn_optc_mask optc_mask = {
+       OPTC_COMMON_MASK_SH_LIST_DCN42(_MASK)};
+
+#define hubp_regs_init(id) \
+       HUBP_REG_LIST_DCN42_RI(id)
+
+static struct dcn_hubp2_registers hubp_regs[4];
+
+static const struct dcn_hubp2_shift hubp_shift = {
+       HUBP_MASK_SH_LIST_DCN42(__SHIFT)};
+
+static const struct dcn_hubp2_mask hubp_mask = {
+       HUBP_MASK_SH_LIST_DCN42(_MASK)};
+
+static struct dcn_hubbub_registers hubbub_reg;
+
+#define hubbub_reg_init() \
+       HUBBUB_REG_LIST_DCN42(0)
+
+static const struct dcn_hubbub_shift hubbub_shift = {
+       HUBBUB_MASK_SH_LIST_DCN4_2(__SHIFT)};
+
+static const struct dcn_hubbub_mask hubbub_mask = {
+       HUBBUB_MASK_SH_LIST_DCN4_2(_MASK)};
+
+static struct dccg_registers dccg_regs;
+
+#define dccg_regs_init() \
+       DCCG_REG_LIST_DCN42_RI()
+
+static const struct dccg_shift dccg_shift = {
+       DCCG_MASK_SH_LIST_DCN42(__SHIFT)};
+
+static const struct dccg_mask dccg_mask = {
+       DCCG_MASK_SH_LIST_DCN42(_MASK)};
+
+static struct pg_cntl_registers pg_cntl_regs;
+
+#define pg_cntl_dcn42_regs_init() \
+       PG_CNTL_REG_LIST_DCN42()
+
+static const struct pg_cntl_shift pg_cntl_shift = {
+               PG_CNTL_MASK_SH_LIST_DCN42(__SHIFT)
+};
+
+static const struct pg_cntl_mask pg_cntl_mask = {
+               PG_CNTL_MASK_SH_LIST_DCN42(_MASK)
+};
+#define SRII2(reg_name_pre, reg_name_post, id)                                 
                      \
+       .reg_name_pre##_##reg_name_post[id] = \
+               BASE(reg##reg_name_pre##id##_##reg_name_post##_BASE_IDX) + \
+                                       reg##reg_name_pre##id##_##reg_name_post
+
+#define HWSEQ_DCN42_REG_LIST()                \
+       SR(DCHUBBUB_GLOBAL_TIMER_CNTL),           \
+               SR(DIO_MEM_PWR_CTRL),                 \
+               SR(ODM_MEM_PWR_CTRL3),                \
+               SR(MMHUBBUB_MEM_PWR_CNTL),            \
+               SR(DCCG_GATE_DISABLE_CNTL),           \
+               SR(DCCG_GATE_DISABLE_CNTL2),          \
+               SR(DCFCLK_CNTL),                      \
+               SR(DC_MEM_GLOBAL_PWR_REQ_CNTL),       \
+               SRII(PIXEL_RATE_CNTL, OTG, 0),        \
+               SRII(PIXEL_RATE_CNTL, OTG, 1),        \
+               SRII(PIXEL_RATE_CNTL, OTG, 2),        \
+               SRII(PIXEL_RATE_CNTL, OTG, 3),\
+               SRII(PHYPLL_PIXEL_RATE_CNTL, OTG, 0), \
+               SRII(PHYPLL_PIXEL_RATE_CNTL, OTG, 1), \
+               SRII(PHYPLL_PIXEL_RATE_CNTL, OTG, 2), \
+               SRII(PHYPLL_PIXEL_RATE_CNTL, OTG, 3),\
+               SR(MICROSECOND_TIME_BASE_DIV),        \
+               SR(MILLISECOND_TIME_BASE_DIV),        \
+               SR(DISPCLK_FREQ_CHANGE_CNTL),         \
+               SR(RBBMIF_TIMEOUT_DIS),               \
+               SR(RBBMIF_TIMEOUT_DIS_2),             \
+               SR(DCHUBBUB_CRC_CTRL),                \
+               SR(DPP_TOP0_DPP_CRC_CTRL),            \
+               SR(DPP_TOP0_DPP_CRC_VAL_R),           \
+               SR(DPP_TOP0_DPP_CRC_VAL_G),           \
+               SR(DPP_TOP0_DPP_CRC_VAL_B),           \
+               SR(MPC_CRC_CTRL),                     \
+               SR(MPC_CRC_RESULT_R),                 \
+               SR(MPC_CRC_RESULT_G),                 \
+               SR(MPC_CRC_RESULT_B),                 \
+               SR(MPC_CRC_RESULT_A),                 \
+               SR(DOMAIN0_PG_CONFIG),                \
+               SR(DOMAIN1_PG_CONFIG),                \
+               SR(DOMAIN2_PG_CONFIG),                \
+               SR(DOMAIN3_PG_CONFIG),                \
+               SR(DOMAIN16_PG_CONFIG),               \
+               SR(DOMAIN17_PG_CONFIG),               \
+               SR(DOMAIN18_PG_CONFIG),               \
+               SR(DOMAIN19_PG_CONFIG), \
+               SR(DOMAIN22_PG_CONFIG),               \
+               SR(DOMAIN23_PG_CONFIG),               \
+               SR(DOMAIN24_PG_CONFIG),               \
+               SR(DOMAIN25_PG_CONFIG),               \
+               SR(DOMAIN26_PG_CONFIG),               \
+               SR(DOMAIN0_PG_STATUS),                \
+               SR(DOMAIN1_PG_STATUS),                \
+               SR(DOMAIN2_PG_STATUS),                \
+               SR(DOMAIN3_PG_STATUS),                \
+               SR(DOMAIN16_PG_STATUS),               \
+               SR(DOMAIN17_PG_STATUS),               \
+               SR(DOMAIN18_PG_STATUS),               \
+               SR(DOMAIN19_PG_STATUS),               \
+               SR(DOMAIN22_PG_STATUS),               \
+               SR(DOMAIN23_PG_STATUS),               \
+               SR(DOMAIN24_PG_STATUS),               \
+               SR(DOMAIN25_PG_STATUS),               \
+               SR(DOMAIN26_PG_STATUS),               \
+               SR(DC_IP_REQUEST_CNTL),               \
+               SR(AZALIA_AUDIO_DTO),                 \
+               SR(HPO_TOP_HW_CONTROL),               \
+               SR(AZALIA_CONTROLLER_CLOCK_GATING)
+
+static struct dce_hwseq_registers hwseq_reg;
+
+#define hwseq_reg_init() \
+       HWSEQ_DCN42_REG_LIST()
+
+#define HWSEQ_DCN42_MASK_SH_LIST(mask_sh)                                      
      \
+       HWSEQ_DCN_MASK_SH_LIST(mask_sh),                                        
         \
+               HWS_SF(, DCHUBBUB_GLOBAL_TIMER_CNTL, 
DCHUBBUB_GLOBAL_TIMER_REFDIV, mask_sh), \
+               HWS_SF(, DCHUBBUB_ARB_HOSTVM_CNTL, 
DISABLE_HOSTVM_FORCE_ALLOW_PSTATE, mask_sh), \
+               HWS_SF(, DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),     
             \
+               HWS_SF(, DOMAIN0_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),        
             \
+               HWS_SF(, DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),     
             \
+               HWS_SF(, DOMAIN1_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),        
             \
+               HWS_SF(, DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),     
             \
+               HWS_SF(, DOMAIN2_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),        
             \
+               HWS_SF(, DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),     
             \
+               HWS_SF(, DOMAIN3_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),        
             \
+               HWS_SF(, DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),    
             \
+               HWS_SF(, DOMAIN16_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),       
             \
+               HWS_SF(, DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),    
             \
+               HWS_SF(, DOMAIN17_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),       
             \
+               HWS_SF(, DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),    
             \
+               HWS_SF(, DOMAIN18_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),       
             \
+               HWS_SF(, DOMAIN19_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh), \
+               HWS_SF(, DOMAIN19_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh), \
+               HWS_SF(, DOMAIN22_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),    
             \
+               HWS_SF(, DOMAIN22_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),       
             \
+               HWS_SF(, DOMAIN23_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),    
             \
+               HWS_SF(, DOMAIN23_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),       
             \
+               HWS_SF(, DOMAIN24_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),    
             \
+               HWS_SF(, DOMAIN24_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),       
             \
+               HWS_SF(, DOMAIN25_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),    
             \
+               HWS_SF(, DOMAIN25_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),       
             \
+               HWS_SF(, DOMAIN26_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh),    
             \
+               HWS_SF(, DOMAIN26_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh),       
             \
+               HWS_SF(, DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh),  
             \
+               HWS_SF(, DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh),  
             \
+               HWS_SF(, DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh),  
             \
+               HWS_SF(, DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh),  
             \
+               HWS_SF(, DOMAIN16_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), 
             \
+               HWS_SF(, DOMAIN17_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), 
             \
+               HWS_SF(, DOMAIN18_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), 
             \
+               HWS_SF(, DOMAIN19_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), 
             \
+               HWS_SF(, DOMAIN22_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), 
             \
+               HWS_SF(, DOMAIN23_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), 
             \
+               HWS_SF(, DOMAIN24_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), 
             \
+               HWS_SF(, DOMAIN25_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), 
             \
+               HWS_SF(, DOMAIN26_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), 
             \
+               HWS_SF(, DC_IP_REQUEST_CNTL, IP_REQUEST_EN, mask_sh),           
             \
+               HWS_SF(, AZALIA_AUDIO_DTO, AZALIA_AUDIO_DTO_MODULE, mask_sh),   
             \
+               HWS_SF(, HPO_TOP_CLOCK_CONTROL, HPO_HDMISTREAMCLK_G_GATE_DIS, 
mask_sh),      \
+               HWS_SF(, HPO_TOP_HW_CONTROL, HPO_IO_EN, mask_sh),               
             \
+               HWS_SF(, ODM_MEM_PWR_CTRL3, ODM_MEM_UNASSIGNED_PWR_MODE, 
mask_sh),           \
+               HWS_SF(, ODM_MEM_PWR_CTRL3, ODM_MEM_VBLANK_PWR_MODE, mask_sh), \
+               HWS_SF(, DIO_MEM_PWR_CTRL, I2C_LIGHT_SLEEP_FORCE, mask_sh), \
+               HWS_SF(, DMU_CLK_CNTL, DISPCLK_R_DMU_GATE_DIS, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, DISPCLK_G_RBBMIF_GATE_DIS, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, RBBMIF_FGCG_REP_DIS, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, DPREFCLK_ALLOW_DS_CLKSTOP, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, DISPCLK_ALLOW_DS_CLKSTOP, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, DPPCLK_ALLOW_DS_CLKSTOP, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, DTBCLK_ALLOW_DS_CLKSTOP, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, DCFCLK_ALLOW_DS_CLKSTOP, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, DPIACLK_ALLOW_DS_CLKSTOP, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, LONO_FGCG_REP_DIS, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, LONO_DISPCLK_GATE_DISABLE, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, LONO_SOCCLK_GATE_DISABLE, mask_sh),\
+               HWS_SF(, DMU_CLK_CNTL, LONO_DMCUBCLK_GATE_DISABLE, mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKA_FE_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKB_FE_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKC_FE_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKD_FE_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKE_FE_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, HDMICHARCLK0_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKA_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKB_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKC_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKD_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKE_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYASYMCLK_ROOT_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYBSYMCLK_ROOT_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYCSYMCLK_ROOT_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYDSYMCLK_ROOT_GATE_DISABLE, 
mask_sh), \
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYESYMCLK_ROOT_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DTBCLK_P0_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DTBCLK_P1_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DTBCLK_P2_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DTBCLK_P3_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK0_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK1_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK2_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK3_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL4, DPIASYMCLK0_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL4, DPIASYMCLK1_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL4, DPIASYMCLK2_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL4, DPIASYMCLK3_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL4, DPIASYMCLK4_GATE_DISABLE, 
mask_sh),\
+               HWS_SF(, DCCG_GATE_DISABLE_CNTL4, DPIASYMCLK5_GATE_DISABLE, 
mask_sh)
+
+static const struct dce_hwseq_shift hwseq_shift = {
+       HWSEQ_DCN42_MASK_SH_LIST(__SHIFT)};
+
+static const struct dce_hwseq_mask hwseq_mask = {
+       HWSEQ_DCN42_MASK_SH_LIST(_MASK)};
+
+#define vmid_regs_init(id) \
+       DCN20_VMID_REG_LIST_RI(id)
+
+static struct dcn_vmid_registers vmid_regs[16];
+
+static const struct dcn20_vmid_shift vmid_shifts = {
+       DCN20_VMID_MASK_SH_LIST(__SHIFT)};
+
+static const struct dcn20_vmid_mask vmid_masks = {
+       DCN20_VMID_MASK_SH_LIST(_MASK)};
+
+static const struct resource_caps res_cap_dcn42 = {
+       .num_timing_generator = 4,
+       .num_opp = 4,
+       .num_dpp = 4,
+       .num_video_plane = 4,
+       .num_audio = 5,
+       .num_stream_encoder = 5,
+       .num_dig_link_enc = 5,
+       .num_usb4_dpia = 6,
+       .num_hpo_dp_stream_encoder = 4,
+       .num_hpo_dp_link_encoder = 4,
+       .num_pll = 5,
+       .num_dwb = 1,
+       .num_ddc = 5,
+       .num_vmid = 16,
+       .num_mpc_3dlut = 2,
+       .num_dsc = 4,
+       .num_rmcm = 2,
+};
+
+static const struct dc_plane_cap plane_cap = {
+       .type = DC_PLANE_TYPE_DCN_UNIVERSAL,
+       .per_pixel_alpha = true,
+
+       .pixel_format_support = {
+               .argb8888 = true,
+               .nv12 = true,
+               .fp16 = true,
+               .p010 = true,
+               .ayuv = false,
+       },
+
+       .max_upscale_factor = {.argb8888 = 16000, .nv12 = 16000, .fp16 = 16000},
+
+       // 6:1 downscaling ratio: 1000/6 = 166.666
+       .max_downscale_factor = {.argb8888 = 167, .nv12 = 167, .fp16 = 167},
+
+       .min_width = 64,
+       .min_height = 64};
+
+static const struct dc_debug_options debug_defaults_drv = {
+       .disable_dmcu = true,
+       .force_abm_enable = false,
+       .clock_trace = true,
+       .disable_pplib_clock_request = false,
+       .disable_dpp_power_gate = true,
+       .disable_hubp_power_gate = true,
+       .disable_optc_power_gate = true,
+       .pipe_split_policy = MPC_SPLIT_AVOID,
+       .force_single_disp_pipe_split = false,
+       .disable_dcc = DCC_ENABLE,
+       .vsr_support = true,
+       .performance_trace = false,
+       .max_downscale_src_width = 4096, /*up to 4K for APU*/
+       .disable_pplib_wm_range = false,
+       .scl_reset_length10 = true,
+       .sanity_checks = false,
+       .underflow_assert_delay_us = 0xFFFFFFFF,
+       .dwb_fi_phase = -1, // -1 = disable,
+       .dmub_command_table = true,
+       .pstate_enabled = true,
+       .enable_mem_low_power = {
+               .bits = {
+                       .vga = false,
+                       .i2c = true,
+                       .dscl = true,
+                       .cm = true,
+                       .mpc = true,
+                       .optc = true,
+                       .vpg = true,
+               }},
+       .root_clock_optimization = {
+               .bits = {
+                       .dpp = true,
+                       .dsc = true,/*dscclk and dsc pg*/
+                       .hdmistream = false,
+                       .hdmichar = true,
+                       .dpstream = true,
+                       .symclk32_se = true,
+                       .symclk32_le = true,
+                       .symclk_fe = true,
+                       .physymclk = false,
+                       .dpiasymclk = true,
+               }
+       },
+       .seamless_boot_odm_combine = DML_FAIL_SOURCE_PIXEL_FORMAT,
+       .enable_z9_disable_interface = true, /* Allow support for the PMFW 
interface for disable Z9*/
+       .minimum_z8_residency_time = 1, /* Always allow when other conditions 
are met */
+       .support_eDP1_5 = true,
+       .use_max_lb = true,
+       .force_disable_subvp = false,
+       .exit_idle_opt_for_cursor_updates = true,
+       .using_dml2 = true,
+       .using_dml21 = true,
+       .enable_single_display_2to1_odm_policy = true,
+
+       // must match enable_single_display_2to1_odm_policy to support dynamic 
ODM transitions
+       .enable_double_buffered_dsc_pg_support = true,
+       .enable_dp_dig_pixel_rate_div_policy = 1,
+       .allow_sw_cursor_fallback = false,
+       .psp_disabled_wa = true,
+       .alloc_extra_way_for_cursor = true,
+       .min_prefetch_in_strobe_ns = 60000, // 60us
+       .disable_unbounded_requesting = false,
+       .dcc_meta_propagation_delay_us = 10,
+       .disable_timeout = true,
+       .min_disp_clk_khz = 50000,
+       .static_screen_wait_frames = 2,
+       .disable_z10 = false,
+       .ignore_pg = true,
+       .disable_stutter_for_wm_program = true,
+       .min_deep_sleep_dcfclk_khz = 8000,
+       .replay_skip_crtc_disabled = true,
+       .psr_skip_crtc_disable = true,
+};
+
+static const struct dc_check_config config_defaults = {
+       .enable_legacy_fast_update = false,
+};
+
+static struct dce_aux *dcn42_aux_engine_create(
+       struct dc_context *ctx,
+       uint32_t inst)
+{
+       struct aux_engine_dce110 *aux_engine =
+               kzalloc(sizeof(struct aux_engine_dce110), GFP_KERNEL);
+
+       if (!aux_engine)
+               return NULL;
+
+#undef REG_STRUCT
+#define REG_STRUCT aux_engine_regs
+       aux_engine_regs_init(0),
+               aux_engine_regs_init(1),
+               aux_engine_regs_init(2),
+               aux_engine_regs_init(3),
+               aux_engine_regs_init(4);
+
+       dce110_aux_engine_construct(aux_engine, ctx, inst,
+                                                               
SW_AUX_TIMEOUT_PERIOD_MULTIPLIER * AUX_TIMEOUT_PERIOD,
+                                                               
&aux_engine_regs[inst],
+                                                               &aux_mask,
+                                                               &aux_shift,
+                                                               
ctx->dc->caps.extended_aux_timeout_support);
+
+       return &aux_engine->base;
+}
+
+#define i2c_inst_regs_init(id) \
+       I2C_HW_ENGINE_COMMON_REG_LIST_DCN30_RI(id)
+
+static struct dce_i2c_registers i2c_hw_regs[5];
+
+static const struct dce_i2c_shift i2c_shifts = {
+       I2C_COMMON_MASK_SH_LIST_DCN35(__SHIFT)
+};
+static const struct dce_i2c_mask i2c_masks = {
+       I2C_COMMON_MASK_SH_LIST_DCN35(_MASK)
+};
+
+/* ========================================================== */
+
+/*
+ * DPIA index | Preferred Encoder     |    Host Router
+ *   0        |      C                |       0
+ *   1        |      First Available  |       0
+ *   2        |      D                |       1
+ *   3        |      First Available  |       1
+ *   4        |      E                |       2
+ *   5        |      First Available  |       2
+ */
+/* ========================================================== */
+static const enum engine_id dpia_to_preferred_enc_id_table[] = {
+               ENGINE_ID_DIGC,
+               ENGINE_ID_DIGC,
+               ENGINE_ID_DIGD,
+               ENGINE_ID_DIGD,
+               ENGINE_ID_DIGE,
+               ENGINE_ID_DIGE
+};
+
+static enum engine_id dcn42_get_preferred_eng_id_dpia(unsigned int dpia_index)
+{
+       return dpia_to_preferred_enc_id_table[dpia_index];
+}
+
+static struct dce_i2c_hw *dcn42_i2c_hw_create(
+       struct dc_context *ctx,
+       uint32_t inst)
+{
+       struct dce_i2c_hw *dce_i2c_hw =
+               kzalloc(sizeof(struct dce_i2c_hw), GFP_KERNEL);
+
+       if (!dce_i2c_hw)
+               return NULL;
+
+#undef REG_STRUCT
+#define REG_STRUCT i2c_hw_regs
+       i2c_inst_regs_init(1),
+       i2c_inst_regs_init(2),
+       i2c_inst_regs_init(3),
+       i2c_inst_regs_init(4),
+       i2c_inst_regs_init(5);
+       dcn2_i2c_hw_construct(dce_i2c_hw, ctx, inst,
+                                                 &i2c_hw_regs[inst], 
&i2c_shifts, &i2c_masks);
+
+       return dce_i2c_hw;
+}
+
+static struct clock_source *dcn42_clock_source_create(
+       struct dc_context *ctx,
+       struct dc_bios *bios,
+       enum clock_source_id id,
+       const struct dce110_clk_src_regs *regs,
+       bool dp_clk_src)
+{
+       struct dce110_clk_src *clk_src =
+               kzalloc(sizeof(struct dce110_clk_src), GFP_KERNEL);
+
+       if (!clk_src)
+               return NULL;
+
+       if (dcn401_clk_src_construct(clk_src, ctx, bios, id,
+                                                                regs, 
&cs_shift, &cs_mask)) {
+               clk_src->base.dp_clk_src = dp_clk_src;
+               return &clk_src->base;
+       }
+
+       kfree(clk_src);
+       BREAK_TO_DEBUGGER();
+       return NULL;
+}
+
+static struct hubbub *dcn42_hubbub_create(struct dc_context *ctx)
+{
+       int i;
+
+       struct dcn20_hubbub *hubbub3 = kzalloc(sizeof(struct dcn20_hubbub),
+                                         GFP_KERNEL);
+
+       if (!hubbub3)
+               return NULL;
+
+#undef REG_STRUCT
+#define REG_STRUCT hubbub_reg
+       hubbub_reg_init();
+
+#undef REG_STRUCT
+#define REG_STRUCT vmid_regs
+       vmid_regs_init(0),
+               vmid_regs_init(1),
+               vmid_regs_init(2),
+               vmid_regs_init(3),
+               vmid_regs_init(4),
+               vmid_regs_init(5),
+               vmid_regs_init(6),
+               vmid_regs_init(7),
+               vmid_regs_init(8),
+               vmid_regs_init(9),
+               vmid_regs_init(10),
+               vmid_regs_init(11),
+               vmid_regs_init(12),
+               vmid_regs_init(13),
+               vmid_regs_init(14),
+               vmid_regs_init(15);
+
+       hubbub42_construct(hubbub3, ctx,
+                                          &hubbub_reg,
+                                          &hubbub_shift,
+                                          &hubbub_mask,
+                                          DCN42_DEFAULT_DET_SIZE,
+                                          8,
+                                          DCN42_CRB_SIZE_KB);
+       for (i = 0; i < res_cap_dcn42.num_vmid; i++) {
+               struct dcn20_vmid *vmid = &hubbub3->vmid[i];
+
+               vmid->ctx = ctx;
+
+               vmid->regs = &vmid_regs[i];
+               vmid->shifts = &vmid_shifts;
+               vmid->masks = &vmid_masks;
+       }
+
+       return &hubbub3->base;
+}
+
+static struct hubp *dcn42_hubp_create(
+       struct dc_context *ctx,
+       uint32_t inst)
+{
+       struct dcn20_hubp *hubp2 =
+               kzalloc(sizeof(struct dcn20_hubp), GFP_KERNEL);
+
+       if (!hubp2)
+               return NULL;
+
+#undef REG_STRUCT
+#define REG_STRUCT hubp_regs
+       hubp_regs_init(0),
+               hubp_regs_init(1),
+               hubp_regs_init(2),
+               hubp_regs_init(3);
+
+       if (hubp42_construct(hubp2, ctx, inst,
+                                                &hubp_regs[inst], &hubp_shift, 
&hubp_mask))
+               return &hubp2->base;
+
+       BREAK_TO_DEBUGGER();
+       kfree(hubp2);
+       return NULL;
+}
+static const struct dc_panel_config dcn42_panel_config_defaults = {
+       .psr = {
+               .disable_psr = false,
+               .disallow_psrsu = false,
+               .disallow_replay = false,
+       },
+       .ilr = {
+               .optimize_edp_link_rate = true,
+       },
+};
+
+static void dcn42_dpp_destroy(struct dpp **dpp)
+{
+       kfree(TO_DCN42_DPP(*dpp));
+       *dpp = NULL;
+}
+
+static struct dpp *dcn42_dpp_create(
+       struct dc_context *ctx,
+       uint32_t inst)
+{
+       struct dcn42_dpp *dpp42 =
+               kzalloc(sizeof(struct dcn42_dpp), GFP_KERNEL);
+
+       if (!dpp42)
+               return NULL;
+
+#undef REG_STRUCT
+#define REG_STRUCT dpp_regs
+       dpp_regs_init(0),
+               dpp_regs_init(1),
+               dpp_regs_init(2),
+               dpp_regs_init(3);
+
+       if (dpp42_construct(dpp42, ctx, inst,
+                                               &dpp_regs[inst], &tf_shift, 
&tf_mask))
+               return &dpp42->base;
+
+       BREAK_TO_DEBUGGER();
+       kfree(dpp42);
+       return NULL;
+}
+
+static struct mpc *dcn42_mpc_create(
+       struct dc_context *ctx,
+       int num_mpcc,
+       int num_rmu)
+{
+       struct dcn42_mpc *mpc401 = kzalloc(sizeof(struct dcn42_mpc),
+                                                                               
GFP_KERNEL);
+
+       if (!mpc401)
+               return NULL;
+
+#undef REG_STRUCT
+#define REG_STRUCT mpc_regs
+       dcn_mpc_regs_init();
+
+       dcn42_mpc_construct(mpc401, ctx,
+                                                &mpc_regs,
+                                                &mpc_shift,
+                                                &mpc_mask,
+                                                num_mpcc,
+                                                num_rmu);
+
+       return &mpc401->base;
+}
+
+static struct output_pixel_processor *dcn42_opp_create(
+       struct dc_context *ctx, uint32_t inst)
+{
+       struct dcn20_opp *opp4 =
+               kzalloc(sizeof(struct dcn20_opp), GFP_KERNEL);
+
+       if (!opp4) {
+               BREAK_TO_DEBUGGER();
+               return NULL;
+       }
+
+#undef REG_STRUCT
+#define REG_STRUCT opp_regs
+       opp_regs_init(0),
+               opp_regs_init(1),
+               opp_regs_init(2),
+               opp_regs_init(3);
+       dcn20_opp_construct(opp4, ctx, inst,
+                                               &opp_regs[inst], &opp_shift, 
&opp_mask);
+       return &opp4->base;
+}
+
+static struct timing_generator *dcn42_timing_generator_create(
+       struct dc_context *ctx,
+       uint32_t instance)
+{
+       struct optc *tgn10 =
+               kzalloc(sizeof(struct optc), GFP_KERNEL);
+
+       if (!tgn10)
+               return NULL;
+#undef REG_STRUCT
+#define REG_STRUCT optc_regs
+       optc_regs_init(0),
+               optc_regs_init(1),
+               optc_regs_init(2),
+               optc_regs_init(3);
+       tgn10->base.inst = instance;
+       tgn10->base.ctx = ctx;
+
+       tgn10->tg_regs = &optc_regs[instance];
+       tgn10->tg_shift = &optc_shift;
+       tgn10->tg_mask = &optc_mask;
+
+       dcn42_timing_generator_init(tgn10);
+
+       return &tgn10->base;
+}
+
+static const struct encoder_feature_support link_enc_feature = {
+       .max_hdmi_deep_color = COLOR_DEPTH_121212,
+       .max_hdmi_pixel_clock = 600000,
+       .hdmi_ycbcr420_supported = true,
+       .dp_ycbcr420_supported = true,
+       .fec_supported = true,
+       .flags.bits.IS_HBR2_CAPABLE = true,
+       .flags.bits.IS_HBR3_CAPABLE = true,
+       .flags.bits.IS_TPS3_CAPABLE = true,
+       .flags.bits.IS_TPS4_CAPABLE = true};
+
+static struct link_encoder *dcn42_link_encoder_create(
+       struct dc_context *ctx,
+       const struct encoder_init_data *enc_init_data)
+{
+       struct dcn20_link_encoder *enc20 =
+               kzalloc(sizeof(struct dcn20_link_encoder), GFP_KERNEL);
+
+       if (!enc20 || enc_init_data->hpd_source >= 
ARRAY_SIZE(link_enc_hpd_regs))
+               return NULL;
+
+#undef REG_STRUCT
+#define REG_STRUCT link_enc_aux_regs
+       aux_regs_init(0),
+               aux_regs_init(1),
+               aux_regs_init(2),
+               aux_regs_init(3),
+               aux_regs_init(4);
+#undef REG_STRUCT
+#define REG_STRUCT link_enc_hpd_regs
+       hpd_regs_init(0),
+               hpd_regs_init(1),
+               hpd_regs_init(2),
+               hpd_regs_init(3),
+               hpd_regs_init(4);
+#undef REG_STRUCT
+#define REG_STRUCT link_enc_regs
+       link_regs_init(0, A),
+               link_regs_init(1, B),
+               link_regs_init(2, C),
+               link_regs_init(3, D),
+               link_regs_init(4, E);
+
+       dcn42_link_encoder_construct(enc20,
+                                                                 enc_init_data,
+                                                                 
&link_enc_feature,
+                                                                 
&link_enc_regs[enc_init_data->transmitter],
+                                                                 
&link_enc_aux_regs[enc_init_data->channel - 1],
+                                                                 
&link_enc_hpd_regs[enc_init_data->hpd_source],
+                                                                 &le_shift,
+                                                                 &le_mask);
+       return &enc20->enc10.base;
+}
+
+static void read_dce_straps(
+       struct dc_context *ctx,
+       struct resource_straps *straps)
+{
+       generic_reg_get(ctx, regDC_PINSTRAPS + BASE(regDC_PINSTRAPS_BASE_IDX),
+               FN(DC_PINSTRAPS, DC_PINSTRAPS_AUDIO), 
&straps->dc_pinstraps_audio);
+}
+
+static struct audio *dcn42_create_audio(
+       struct dc_context *ctx, unsigned int inst)
+{
+
+#undef REG_STRUCT
+#define REG_STRUCT audio_regs
+       audio_regs_init(0),
+               audio_regs_init(1),
+               audio_regs_init(2),
+               audio_regs_init(3),
+               audio_regs_init(4);
+
+       return dce_audio_create(ctx, inst,
+                                                       &audio_regs[inst], 
&audio_shift, &audio_mask);
+}
+
+static struct vpg *dcn42_vpg_create(
+       struct dc_context *ctx,
+       uint32_t inst)
+{
+       struct dcn31_vpg *vpg4 = kzalloc(sizeof(struct dcn31_vpg), GFP_KERNEL);
+
+       if (!vpg4)
+               return NULL;
+
+#undef REG_STRUCT
+#define REG_STRUCT vpg_regs
+       vpg_regs_init(0),
+               vpg_regs_init(1),
+               vpg_regs_init(2),
+               vpg_regs_init(3),
+               vpg_regs_init(4),
+               vpg_regs_init(5),
+               vpg_regs_init(6),
+               vpg_regs_init(7),
+               vpg_regs_init(8),
+               vpg_regs_init(9);
+       vpg31_construct(vpg4, ctx, inst,
+                                       &vpg_regs[inst],
+                                       &vpg_shift,
+                                       &vpg_mask);
+
+       return &vpg4->base;
+}
+
+static struct apg *dcn42_apg_create(
+       struct dc_context *ctx,
+       uint32_t inst)
+{
+       struct dcn31_apg *apg31 = kzalloc(sizeof(struct dcn31_apg), GFP_KERNEL);
+
+       if (!apg31)
+               return NULL;
+
+#undef REG_STRUCT
+#define REG_STRUCT apg_regs
+       apg_regs_init(0),
+               apg_regs_init(1),
+               apg_regs_init(2),
+               apg_regs_init(3),
+               apg_regs_init(4),
+               apg_regs_init(5),
+               apg_regs_init(6),
+               apg_regs_init(7),
+               apg_regs_init(8),
+               apg_regs_init(9);
+
+       apg31_construct(apg31, ctx, inst,
+                                       &apg_regs[inst],
+                                       &apg_shift,
+                                       &apg_mask);
+
+       return &apg31->base;
+}
+
+static struct stream_encoder *dcn42_stream_encoder_create(
+       enum engine_id eng_id,
+       struct dc_context *ctx)
+{
+       struct dcn10_stream_encoder *enc1;
+       struct vpg *vpg;
+       struct apg *apg;
+
+       uint32_t vpg_inst;
+       uint32_t apg_inst;
+
+       /* Mapping of VPG, DME register blocks to DIO block instance */
+       if (eng_id <= ENGINE_ID_DIGE) {
+               vpg_inst = eng_id;
+               apg_inst = eng_id;
+       } else
+               return NULL;
+
+       enc1 = kzalloc(sizeof(struct dcn10_stream_encoder), GFP_KERNEL);
+       vpg = dcn42_vpg_create(ctx, vpg_inst);
+       apg = dcn42_apg_create(ctx, apg_inst);
+
+       if (!enc1 || !vpg || !apg) {
+               kfree(enc1);
+               kfree(vpg);
+               kfree(apg);
+               return NULL;
+       }
+#undef REG_STRUCT
+#define REG_STRUCT stream_enc_regs
+       stream_enc_regs_init(0),
+               stream_enc_regs_init(1),
+               stream_enc_regs_init(2),
+               stream_enc_regs_init(3),
+               stream_enc_regs_init(4);
+
+       dcn42_dio_stream_encoder_construct(enc1, ctx, ctx->dc_bios,
+                                                                       eng_id, 
vpg, apg,
+                                                                       
&stream_enc_regs[eng_id],
+                                                                       
&se_shift, &se_mask);
+       return &enc1->base;
+}
+
+static struct hpo_dp_stream_encoder *dcn42_hpo_dp_stream_encoder_create(
+       enum engine_id eng_id,
+       struct dc_context *ctx)
+{
+       struct dcn31_hpo_dp_stream_encoder *hpo_dp_enc31;
+       struct vpg *vpg;
+       struct apg *apg;
+       uint32_t hpo_dp_inst;
+       uint32_t vpg_inst;
+       uint32_t apg_inst;
+
+       ASSERT((eng_id >= ENGINE_ID_HPO_DP_0) && (eng_id <= 
ENGINE_ID_HPO_DP_3));
+       hpo_dp_inst = eng_id - ENGINE_ID_HPO_DP_0;
+
+       /* Mapping of VPG register blocks to HPO DP block instance:
+        * VPG[5] -> HPO_DP[0]
+        * VPG[6] -> HPO_DP[1]
+        * VPG[7] -> HPO_DP[2]
+        * VPG[8] -> HPO_DP[3]
+        */
+       vpg_inst = hpo_dp_inst + 5;
+
+       /* Mapping of APG register blocks to HPO DP block instance:
+        * APG[6] -> HPO_DP[0]
+        * APG[7] -> HPO_DP[1]
+        * APG[8] -> HPO_DP[2]
+        * APG[9] -> HPO_DP[3]
+        */
+       apg_inst = hpo_dp_inst + 5;
+
+       /* allocate HPO stream encoder and create VPG sub-block */
+       hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_stream_encoder), 
GFP_KERNEL);
+       vpg = dcn42_vpg_create(ctx, vpg_inst);
+       apg = dcn42_apg_create(ctx, apg_inst);
+
+       if (!hpo_dp_enc31 || !vpg || !apg) {
+               kfree(hpo_dp_enc31);
+               kfree(vpg);
+               kfree(apg);
+               return NULL;
+       }
+
+#undef REG_STRUCT
+#define REG_STRUCT hpo_dp_stream_enc_regs
+       hpo_dp_stream_encoder_reg_init(0),
+               hpo_dp_stream_encoder_reg_init(1),
+               hpo_dp_stream_encoder_reg_init(2),
+               hpo_dp_stream_encoder_reg_init(3);
+
+       dcn31_hpo_dp_stream_encoder_construct(hpo_dp_enc31, ctx, ctx->dc_bios,
+                               hpo_dp_inst, eng_id, vpg, apg,
+                               &hpo_dp_stream_enc_regs[hpo_dp_inst],
+                               &hpo_dp_se_shift, &hpo_dp_se_mask);
+
+       return &hpo_dp_enc31->base;
+}
+
+static struct hpo_dp_link_encoder *dcn42_hpo_dp_link_encoder_create(
+       uint8_t inst,
+       struct dc_context *ctx)
+{
+       struct dcn31_hpo_dp_link_encoder *hpo_dp_enc31;
+
+       /* allocate HPO link encoder */
+       hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_link_encoder), 
GFP_KERNEL);
+       if (!hpo_dp_enc31)
+               return NULL; /* out of memory */
+
+#undef REG_STRUCT
+#define REG_STRUCT hpo_dp_link_enc_regs
+       hpo_dp_link_encoder_reg_init(0),
+       hpo_dp_link_encoder_reg_init(1),
+       hpo_dp_link_encoder_reg_init(2),
+       hpo_dp_link_encoder_reg_init(3);
+
+       hpo_dp_link_encoder42_construct(hpo_dp_enc31, ctx, inst,
+                               &hpo_dp_link_enc_regs[inst],
+                               &hpo_dp_le_shift, &hpo_dp_le_mask);
+
+       return &hpo_dp_enc31->base;
+}
+
+static struct dce_hwseq *dcn42_hwseq_create(
+       struct dc_context *ctx)
+{
+       struct dce_hwseq *hws = kzalloc(sizeof(struct dce_hwseq), GFP_KERNEL);
+
+#undef REG_STRUCT
+#define REG_STRUCT hwseq_reg
+       hwseq_reg_init();
+
+       if (hws) {
+               hws->ctx = ctx;
+               hws->regs = &hwseq_reg;
+               hws->shifts = &hwseq_shift;
+               hws->masks = &hwseq_mask;
+       }
+
+       return hws;
+}
+
+static const struct resource_create_funcs res_create_funcs = {
+       .read_dce_straps = read_dce_straps,
+       .create_audio = dcn42_create_audio,
+       .create_stream_encoder = dcn42_stream_encoder_create,
+       .create_hpo_dp_stream_encoder = dcn42_hpo_dp_stream_encoder_create,
+       .create_hpo_dp_link_encoder = dcn42_hpo_dp_link_encoder_create,
+       .create_hwseq = dcn42_hwseq_create,
+};
+
+static void dcn42_dsc_destroy(struct display_stream_compressor **dsc)
+{
+       kfree(container_of(*dsc, struct dcn401_dsc, base));
+       *dsc = NULL;
+}
+
+static void dcn42_resource_destruct(struct dcn42_resource_pool *pool)
+{
+       unsigned int i;
+
+       for (i = 0; i < pool->base.stream_enc_count; i++) {
+               if (pool->base.stream_enc[i] != NULL) {
+                       if (pool->base.stream_enc[i]->vpg != NULL) {
+                               
kfree(DCN31_VPG_FROM_VPG(pool->base.stream_enc[i]->vpg));
+                               pool->base.stream_enc[i]->vpg = NULL;
+                       }
+                       if (pool->base.stream_enc[i]->apg != NULL) {
+                               
kfree(DCN31_APG_FROM_APG(pool->base.stream_enc[i]->apg));
+                               pool->base.stream_enc[i]->apg = NULL;
+                       }
+                       
kfree(DCN10STRENC_FROM_STRENC(pool->base.stream_enc[i]));
+                       pool->base.stream_enc[i] = NULL;
+               }
+       }
+
+       for (i = 0; i < pool->base.hpo_dp_stream_enc_count; i++) {
+               if (pool->base.hpo_dp_stream_enc[i] != NULL) {
+                       if (pool->base.hpo_dp_stream_enc[i]->vpg != NULL) {
+                               
kfree(DCN31_VPG_FROM_VPG(pool->base.hpo_dp_stream_enc[i]->vpg));
+                               pool->base.hpo_dp_stream_enc[i]->vpg = NULL;
+                       }
+                       if (pool->base.hpo_dp_stream_enc[i]->apg != NULL) {
+                               
kfree(DCN31_APG_FROM_APG(pool->base.hpo_dp_stream_enc[i]->apg));
+                               pool->base.hpo_dp_stream_enc[i]->apg = NULL;
+                       }
+                       
kfree(DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(pool->base.hpo_dp_stream_enc[i]));
+                       pool->base.hpo_dp_stream_enc[i] = NULL;
+               }
+       }
+
+       for (i = 0; i < pool->base.hpo_dp_link_enc_count; i++) {
+               if (pool->base.hpo_dp_link_enc[i] != NULL) {
+                       
kfree(DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(pool->base.hpo_dp_link_enc[i]));
+                       pool->base.hpo_dp_link_enc[i] = NULL;
+               }
+       }
+
+       for (i = 0; i < pool->base.res_cap->num_dsc; i++) {
+               if (pool->base.dscs[i] != NULL)
+                       dcn42_dsc_destroy(&pool->base.dscs[i]);
+       }
+
+       if (pool->base.mpc != NULL) {
+               kfree(TO_DCN20_MPC(pool->base.mpc));
+               pool->base.mpc = NULL;
+       }
+       if (pool->base.hubbub != NULL) {
+               kfree(TO_DCN20_HUBBUB(pool->base.hubbub));
+               pool->base.hubbub = NULL;
+       }
+       for (i = 0; i < pool->base.pipe_count; i++) {
+               if (pool->base.dpps[i] != NULL)
+                       dcn42_dpp_destroy(&pool->base.dpps[i]);
+
+               if (pool->base.ipps[i] != NULL)
+                       
pool->base.ipps[i]->funcs->ipp_destroy(&pool->base.ipps[i]);
+
+               if (pool->base.hubps[i] != NULL) {
+                       kfree(TO_DCN20_HUBP(pool->base.hubps[i]));
+                       pool->base.hubps[i] = NULL;
+               }
+
+               if (pool->base.irqs != NULL)
+                       dal_irq_service_destroy(&pool->base.irqs);
+       }
+
+       for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
+               if (pool->base.engines[i] != NULL)
+                       dce110_engine_destroy(&pool->base.engines[i]);
+               if (pool->base.hw_i2cs[i] != NULL) {
+                       kfree(pool->base.hw_i2cs[i]);
+                       pool->base.hw_i2cs[i] = NULL;
+               }
+               if (pool->base.sw_i2cs[i] != NULL) {
+                       kfree(pool->base.sw_i2cs[i]);
+                       pool->base.sw_i2cs[i] = NULL;
+               }
+       }
+
+       for (i = 0; i < pool->base.res_cap->num_opp; i++) {
+               if (pool->base.opps[i] != NULL)
+                       
pool->base.opps[i]->funcs->opp_destroy(&pool->base.opps[i]);
+       }
+
+       for (i = 0; i < pool->base.res_cap->num_timing_generator; i++) {
+               if (pool->base.timing_generators[i] != NULL) {
+                       kfree(DCN10TG_FROM_TG(pool->base.timing_generators[i]));
+                       pool->base.timing_generators[i] = NULL;
+               }
+       }
+
+       for (i = 0; i < pool->base.res_cap->num_dwb; i++) {
+               if (pool->base.dwbc[i] != NULL) {
+                       kfree(TO_DCN30_DWBC(pool->base.dwbc[i]));
+                       pool->base.dwbc[i] = NULL;
+               }
+               if (pool->base.mcif_wb[i] != NULL) {
+                       kfree(TO_DCN30_MMHUBBUB(pool->base.mcif_wb[i]));
+                       pool->base.mcif_wb[i] = NULL;
+               }
+       }
+
+       for (i = 0; i < pool->base.audio_count; i++) {
+               if (pool->base.audios[i])
+                       dce_aud_destroy(&pool->base.audios[i]);
+       }
+
+       for (i = 0; i < pool->base.clk_src_count; i++) {
+               if (pool->base.clock_sources[i] != NULL) {
+                       
dcn20_clock_source_destroy(&pool->base.clock_sources[i]);
+                       pool->base.clock_sources[i] = NULL;
+               }
+       }
+
+       for (i = 0; i < pool->base.res_cap->num_mpc_3dlut; i++) {
+               if (pool->base.mpc_lut[i] != NULL) {
+                       dc_3dlut_func_release(pool->base.mpc_lut[i]);
+                       pool->base.mpc_lut[i] = NULL;
+               }
+               if (pool->base.mpc_shaper[i] != NULL) {
+                       dc_transfer_func_release(pool->base.mpc_shaper[i]);
+                       pool->base.mpc_shaper[i] = NULL;
+               }
+       }
+
+       if (pool->base.dp_clock_source != NULL) {
+               dcn20_clock_source_destroy(&pool->base.dp_clock_source);
+               pool->base.dp_clock_source = NULL;
+       }
+
+       for (i = 0; i < pool->base.res_cap->num_timing_generator; i++) {
+               if (pool->base.multiple_abms[i] != NULL)
+                       dce_abm_destroy(&pool->base.multiple_abms[i]);
+       }
+
+       if (pool->base.psr != NULL)
+               dmub_psr_destroy(&pool->base.psr);
+
+       if (pool->base.pg_cntl != NULL)
+               dcn_pg_cntl_destroy(&pool->base.pg_cntl);
+       if (pool->base.dccg != NULL)
+               dcn_dccg_destroy(&pool->base.dccg);
+
+       if (pool->base.oem_device != NULL) {
+               struct dc *dc = pool->base.oem_device->ctx->dc;
+
+               dc->link_srv->destroy_ddc_service(&pool->base.oem_device);
+       }
+}
+
+static void dcn42_build_pipe_pix_clk_params(struct pipe_ctx *pipe_ctx)
+{
+       const struct dc_stream_state *stream = pipe_ctx->stream;
+       struct dc_link *link = stream->link;
+       struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
+       struct pixel_clk_params *pixel_clk_params = 
&pipe_ctx->stream_res.pix_clk_params;
+
+       pixel_clk_params->requested_pix_clk_100hz = 
stream->timing.pix_clk_100hz;
+
+       if (pipe_ctx->dsc_padding_params.dsc_hactive_padding != 0)
+               pixel_clk_params->requested_pix_clk_100hz = 
pipe_ctx->dsc_padding_params.dsc_pix_clk_100hz;
+
+       if (!pipe_ctx->stream->ctx->dc->config.unify_link_enc_assignment)
+               link_enc = link_enc_cfg_get_link_enc(link);
+       if (link_enc)
+               pixel_clk_params->encoder_object_id = link_enc->id;
+
+       pixel_clk_params->signal_type = pipe_ctx->stream->signal;
+       pixel_clk_params->controller_id = pipe_ctx->stream_res.tg->inst + 1;
+       /* TODO: un-hardcode*/
+
+       /* TODO - DP2.0 HW: calculate requested_sym_clk for UHBR rates */
+
+       pixel_clk_params->requested_sym_clk = LINK_RATE_LOW *
+               LINK_RATE_REF_FREQ_IN_KHZ;
+       pixel_clk_params->flags.ENABLE_SS = 0;
+       pixel_clk_params->color_depth =
+               stream->timing.display_color_depth;
+       pixel_clk_params->flags.DISPLAY_BLANKED = 1;
+       pixel_clk_params->pixel_encoding = stream->timing.pixel_encoding;
+
+       if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422)
+               pixel_clk_params->color_depth = COLOR_DEPTH_888;
+
+       if (stream->timing.timing_3d_format == 
TIMING_3D_FORMAT_HW_FRAME_PACKING)
+               pixel_clk_params->requested_pix_clk_100hz *= 2;
+       if (dc_is_tmds_signal(stream->signal) &&
+                       stream->timing.pixel_encoding == 
PIXEL_ENCODING_YCBCR420)
+               pixel_clk_params->requested_pix_clk_100hz /= 2;
+
+       pipe_ctx->clock_source->funcs->get_pix_clk_dividers(
+                       pipe_ctx->clock_source,
+                       &pipe_ctx->stream_res.pix_clk_params,
+                       &pipe_ctx->pll_settings);
+
+       pixel_clk_params->dio_se_pix_per_cycle = 1;
+       if (dc_is_tmds_signal(stream->signal) &&
+                       stream->timing.pixel_encoding == 
PIXEL_ENCODING_YCBCR420) {
+               pixel_clk_params->dio_se_pix_per_cycle = 2;
+       } else if (dc_is_dp_signal(stream->signal)) {
+               /* round up to nearest power of 2, or max at 8 pixels per cycle 
*/
+               if (pixel_clk_params->requested_pix_clk_100hz > 4 * 
stream->ctx->dc->clk_mgr->dprefclk_khz * 10) {
+                       pixel_clk_params->dio_se_pix_per_cycle = 8;
+               } else if (pixel_clk_params->requested_pix_clk_100hz > 2 * 
stream->ctx->dc->clk_mgr->dprefclk_khz * 10) {
+                       pixel_clk_params->dio_se_pix_per_cycle = 4;
+               } else if (pixel_clk_params->requested_pix_clk_100hz > 
stream->ctx->dc->clk_mgr->dprefclk_khz * 10) {
+                       pixel_clk_params->dio_se_pix_per_cycle = 2;
+               } else {
+                       pixel_clk_params->dio_se_pix_per_cycle = 1;
+               }
+       }
+}
+
+static bool dcn42_dwbc_create(struct dc_context *ctx, struct resource_pool 
*pool)
+{
+       int i;
+       uint32_t dwb_count = pool->res_cap->num_dwb;
+
+       for (i = 0; i < dwb_count; i++) {
+               struct dcn30_dwbc *dwbc42 = kzalloc(sizeof(struct dcn30_dwbc),
+                                                                               
        GFP_KERNEL);
+
+               if (!dwbc42) {
+                       dm_error("DC: failed to create dwbc42!\n");
+                       return false;
+               }
+
+#undef REG_STRUCT
+#define REG_STRUCT dwbc401_regs
+               dwbc_regs_dcn401_init(0);
+
+               dcn30_dwbc_construct(dwbc42, ctx,
+                               &dwbc401_regs[i],
+                               &dwbc401_shift,
+                               &dwbc401_mask,
+                               i);
+
+               pool->dwbc[i] = &dwbc42->base;
+       }
+       return true;
+}
+
+static void dcn42_mmhubbub_init(struct dcn30_mmhubbub *mcif_wb30,
+                                                               struct 
dc_context *ctx)
+{
+       dcn42_mmhubbub_set_fgcg(
+               mcif_wb30,
+               ctx->dc->debug.enable_fine_grain_clock_gating.bits.mmhubbub);
+}
+
+static bool dcn42_mmhubbub_create(struct dc_context *ctx, struct resource_pool 
*pool)
+{
+       int i;
+       uint32_t pipe_count = pool->res_cap->num_dwb;
+
+       for (i = 0; i < pipe_count; i++) {
+               struct dcn30_mmhubbub *mcif_wb30 = kzalloc(sizeof(struct 
dcn30_mmhubbub),
+                                                                               
                   GFP_KERNEL);
+
+               if (!mcif_wb30) {
+                       dm_error("DC: failed to create mcif_wb30!\n");
+                       return false;
+               }
+
+#undef REG_STRUCT
+#define REG_STRUCT mcif_wb35_regs
+               mcif_wb_regs_dcn3_init(0);
+
+               dcn35_mmhubbub_construct(mcif_wb30, ctx,
+                                       &mcif_wb35_regs[i],
+                                       &mcif_wb35_shift,
+                                       &mcif_wb35_mask,
+                                       i);
+
+               dcn42_mmhubbub_init(mcif_wb30, ctx);
+
+               pool->mcif_wb[i] = &mcif_wb30->base;
+       }
+       return true;
+}
+
+static struct display_stream_compressor *dcn42_dsc_create(
+       struct dc_context *ctx, uint32_t inst)
+{
+       struct dcn401_dsc *dsc =
+               kzalloc(sizeof(struct dcn401_dsc), GFP_KERNEL);
+
+       if (!dsc) {
+               BREAK_TO_DEBUGGER();
+               return NULL;
+       }
+
+#undef REG_STRUCT
+#define REG_STRUCT dsc_regs
+       dsc_regs_init(0),
+               dsc_regs_init(1),
+               dsc_regs_init(2),
+               dsc_regs_init(3);
+
+       dsc401_construct(dsc, ctx, inst, &dsc_regs[inst], &dsc_shift, 
&dsc_mask);
+       dsc401_set_fgcg(dsc, 
ctx->dc->debug.enable_fine_grain_clock_gating.bits.dsc);
+
+       dsc->max_image_width = 5760;
+
+       return &dsc->base;
+}
+
+static void dcn42_destroy_resource_pool(struct resource_pool **pool)
+{
+       struct dcn42_resource_pool *dcn42_pool = TO_DCN42_RES_POOL(*pool);
+
+       dcn42_resource_destruct(dcn42_pool);
+       kfree(dcn42_pool);
+       *pool = NULL;
+}
+
+static struct dc_cap_funcs cap_funcs = {
+       .get_dcc_compression_cap = dcn20_get_dcc_compression_cap};
+
+static void dcn42_update_bw_bounding_box_fpu(struct dc *dc, struct 
clk_bw_params *bw_params)
+{
+       dc_assert_fp_enabled();
+
+       if (dc->current_state && dc->current_state->bw_ctx.dml2)
+               dml2_reinit(dc, &dc->dml2_options, 
&dc->current_state->bw_ctx.dml2);
+}
+
+static void dcn42_update_bw_bounding_box(struct dc *dc, struct clk_bw_params 
*bw_params)
+{
+       DC_FP_START();
+       dcn42_update_bw_bounding_box_fpu(dc, bw_params);
+       DC_FP_END();
+}
+enum dc_status dcn42_validate_bandwidth(struct dc *dc,
+                                                         struct dc_state 
*context,
+                                                         enum dc_validate_mode 
validate_mode)
+{
+       bool out = false;
+
+       DC_FP_START();
+
+       out = dml2_validate(dc, context, context->bw_ctx.dml2,
+                                               validate_mode);
+
+       if (validate_mode == DC_VALIDATE_MODE_AND_PROGRAMMING) {
+               /*not required for mode enumeration*/
+               dcn42_decide_zstate_support(dc, context);
+       }
+
+       DC_FP_END();
+
+       return out ? DC_OK : DC_FAIL_BANDWIDTH_VALIDATE;
+}
+void dcn42_prepare_mcache_programming(struct dc *dc,
+                                                                         
struct dc_state *context)
+{
+       if (dc->debug.using_dml21) {
+               DC_FP_START();
+               dml2_prepare_mcache_programming(dc, context,
+                       context->power_source == DC_POWER_SOURCE_DC ?
+                       context->bw_ctx.dml2_dc_power_source : 
context->bw_ctx.dml2);
+               DC_FP_END();
+       }
+}
+/* Create a minimal link encoder object not associated with a particular
+ * physical connector.
+ * resource_funcs.link_enc_create_minimal
+ */
+static struct link_encoder *dcn42_link_enc_create_minimal(
+               struct dc_context *ctx, enum engine_id eng_id)
+{
+       struct dcn20_link_encoder *enc20;
+
+       if ((eng_id - ENGINE_ID_DIGA) > 
ctx->dc->res_pool->res_cap->num_dig_link_enc)
+               return NULL;
+
+       enc20 = kzalloc(sizeof(struct dcn20_link_encoder), GFP_KERNEL);
+       if (!enc20)
+               return NULL;
+
+       dcn31_link_encoder_construct_minimal(
+                       enc20,
+                       ctx,
+                       &link_enc_feature,
+                       &link_enc_regs[eng_id - ENGINE_ID_DIGA],
+                       eng_id);
+
+       return &enc20->enc10.base;
+}
+static void dcn42_get_panel_config_defaults(struct dc_panel_config 
*panel_config)
+{
+       *panel_config = dcn42_panel_config_defaults;
+}
+static unsigned int dcn42_get_max_hw_cursor_size(const struct dc *dc,
+                       struct dc_state *state,
+                       const struct dc_stream_state *stream)
+{
+       return dc->caps.max_cursor_size;
+}
+static struct resource_funcs dcn42_res_pool_funcs = {
+       .destroy = dcn42_destroy_resource_pool,
+       .link_enc_create = dcn42_link_encoder_create,
+       .link_enc_create_minimal = dcn42_link_enc_create_minimal,
+       .link_encs_assign = link_enc_cfg_link_encs_assign,
+       .link_enc_unassign = link_enc_cfg_link_enc_unassign,
+       .panel_cntl_create = dcn32_panel_cntl_create,
+       .validate_bandwidth = dcn42_validate_bandwidth,
+       .calculate_wm_and_dlg = NULL,
+       .populate_dml_pipes = NULL,
+       .acquire_free_pipe_as_secondary_dpp_pipe = 
dcn32_acquire_free_pipe_as_secondary_dpp_pipe,
+       .acquire_free_pipe_as_secondary_opp_head = 
dcn32_acquire_free_pipe_as_secondary_opp_head,
+       .release_pipe = dcn20_release_pipe,
+       .add_stream_to_ctx = dcn30_add_stream_to_ctx,
+       .add_dsc_to_stream_resource = dcn20_add_dsc_to_stream_resource,
+       .remove_stream_from_ctx = dcn20_remove_stream_from_ctx,
+       .populate_dml_writeback_from_context = 
dcn30_populate_dml_writeback_from_context,
+       .set_mcif_arb_params = dcn30_set_mcif_arb_params,
+       .find_first_free_match_stream_enc_for_link = 
dcn10_find_first_free_match_stream_enc_for_link,
+       .acquire_post_bldn_3dlut = dcn32_acquire_post_bldn_3dlut,
+       .release_post_bldn_3dlut = dcn32_release_post_bldn_3dlut,
+       .update_bw_bounding_box = dcn42_update_bw_bounding_box,
+       .patch_unknown_plane_state = dcn35_patch_unknown_plane_state,
+       .get_panel_config_defaults = dcn42_get_panel_config_defaults,
+       .get_preferred_eng_id_dpia = dcn42_get_preferred_eng_id_dpia,
+       .update_soc_for_wm_a = dcn30_update_soc_for_wm_a,
+       .add_phantom_pipes = dcn32_add_phantom_pipes,
+       .calculate_mall_ways_from_bytes = dcn32_calculate_mall_ways_from_bytes,
+       .prepare_mcache_programming = dcn42_prepare_mcache_programming,
+       .build_pipe_pix_clk_params = dcn42_build_pipe_pix_clk_params,
+       .get_power_profile = dcn401_get_power_profile,
+       .get_vstartup_for_pipe = dcn401_get_vstartup_for_pipe,
+       .get_max_hw_cursor_size = dcn42_get_max_hw_cursor_size,
+       .get_default_tiling_info = dcn10_get_default_tiling_info
+};
+
+static uint32_t read_pipe_fuses(struct dc_context *ctx)
+{
+       uint32_t value = REG_READ(CC_DC_PIPE_DIS);
+
+       if (value == 0 && ctx->dce_environment == DCE_ENV_DIAG)
+               value = 0xF;
+       /* DCN401 support max 4 pipes */
+       value = value & 0xf;
+       return value;
+}
+
+static bool dcn42_resource_construct(
+       uint8_t num_virtual_links,
+       struct dc *dc,
+       struct dcn42_resource_pool *pool)
+{
+       int i, j;
+       struct dc_context *ctx = dc->ctx;
+       struct irq_service_init_data init_data;
+       uint32_t pipe_fuses;
+       uint32_t num_pipes;
+
+#undef REG_STRUCT
+#define REG_STRUCT bios_regs
+       bios_regs_init();
+
+#undef REG_STRUCT
+#define REG_STRUCT clk_src_regs
+       clk_src_regs_init(0, A),
+       clk_src_regs_init(1, B),
+       clk_src_regs_init(2, C),
+       clk_src_regs_init(3, D),
+       clk_src_regs_init(4, E);
+
+#undef REG_STRUCT
+#define REG_STRUCT abm_regs
+       abm_regs_init(0),
+               abm_regs_init(1),
+               abm_regs_init(2),
+               abm_regs_init(3);
+#undef REG_STRUCT
+#define REG_STRUCT dccg_regs
+       dccg_regs_init();
+
+       ctx->dc_bios->regs = &bios_regs;
+
+       pool->base.res_cap = &res_cap_dcn42;
+
+       /* max number of pipes for ASIC before checking for pipe fuses */
+       num_pipes = pool->base.res_cap->num_dpp;
+       pipe_fuses = read_pipe_fuses(ctx);
+
+       for (i = 0; i < pool->base.res_cap->num_dpp; i++)
+               if (pipe_fuses & 1 << i)
+                       num_pipes--;
+
+       if (pipe_fuses & 1)
+               ASSERT(0); // Unexpected - Pipe 0 should always be fully 
functional!
+
+       if (pipe_fuses & CC_DC_PIPE_DIS__DC_FULL_DIS_MASK)
+               ASSERT(0); // Entire DCN is harvested!
+
+       pool->base.funcs = &dcn42_res_pool_funcs;
+
+       /*************************************************
+        *  Resource + asic cap harcoding                *
+        *************************************************/
+       pool->base.underlay_pipe_index = (unsigned int)NO_UNDERLAY_PIPE;
+       pool->base.timing_generator_count = 
pool->base.res_cap->num_timing_generator;
+       pool->base.pipe_count = num_pipes;
+       pool->base.mpcc_count = num_pipes;
+       dc->caps.ips_v2_support = true;
+       dc->caps.max_downscale_ratio = 600;
+       dc->caps.i2c_speed_in_khz = 100;
+       dc->caps.i2c_speed_in_khz_hdcp = 100; /*1.4 w/a applied by default*/
+       /* TODO: Bring max cursor size back to 256 after subvp cursor 
corruption is fixed*/
+       dc->caps.max_cursor_size = 64;
+       dc->caps.max_buffered_cursor_size = 64;
+       dc->caps.cursor_not_scaled = true;
+       dc->caps.min_horizontal_blanking_period = 80;
+       dc->caps.dmdata_alloc_size = 2048;
+       dc->caps.mall_size_per_mem_channel = 4;
+       /* total size = mall per channel * num channels * 1024 * 1024 */
+       dc->caps.mall_size_total = dc->caps.mall_size_per_mem_channel *
+               dc->ctx->dc_bios->vram_info.num_chans * 1048576;
+       dc->caps.cursor_cache_size = dc->caps.max_cursor_size * 
dc->caps.max_cursor_size * 8;
+       dc->caps.cache_line_size = 64;
+       dc->caps.cache_num_ways = 16;
+
+       /* Calculate the available MALL space */
+       dc->caps.max_cab_allocation_bytes =
+               dcn32_calc_num_avail_chans_for_mall(dc, 
dc->ctx->dc_bios->vram_info.num_chans) *
+                               dc->caps.mall_size_per_mem_channel * 1024 * 
1024;
+       dc->caps.mall_size_total = dc->caps.max_cab_allocation_bytes;
+
+       dc->caps.subvp_fw_processing_delay_us = 15;
+       dc->caps.subvp_drr_max_vblank_margin_us = 40;
+       dc->caps.subvp_prefetch_end_to_mall_start_us = 15;
+       dc->caps.subvp_swath_height_margin_lines = 16;
+       dc->caps.subvp_pstate_allow_width_us = 20;
+       dc->caps.subvp_vertical_int_margin_us = 30;
+       dc->caps.subvp_drr_vblank_start_margin_us = 100; // 100us margin
+
+       dc->caps.max_slave_planes = 2;
+       dc->caps.max_slave_yuv_planes = 2;
+       dc->caps.max_slave_rgb_planes = 2;
+       dc->caps.post_blend_color_processing = true;
+       dc->caps.force_dp_tps4_for_cp2520 = true;
+       if (dc->config.forceHBR2CP2520)
+               dc->caps.force_dp_tps4_for_cp2520 = false;
+       dc->caps.dp_hdmi21_pcon_support = true;
+       dc->caps.dp_hpo = true;
+       dc->caps.edp_dsc_support = true;
+       dc->caps.extended_aux_timeout_support = true;
+       dc->caps.dmcub_support = true;
+       dc->caps.is_apu = true;
+       dc->caps.seamless_odm = true;
+       dc->caps.zstate_support = true;
+       dc->caps.ips_support = true;
+       dc->caps.max_v_total = (1 << 15) - 1;
+       dc->caps.vtotal_limited_by_fp2 = true;
+
+       dc->caps.seamless_odm = true;
+       dc->caps.zstate_support = true;
+       dc->caps.ips_support = true;
+       dc->caps.max_v_total = (1 << 15) - 1;
+       dc->caps.vtotal_limited_by_fp2 = true;
+
+       /* Color pipeline capabilities */
+       dc->caps.color.dpp.dcn_arch = 1;
+       dc->caps.color.dpp.input_lut_shared = 0;
+       dc->caps.color.dpp.icsc = 1;
+       dc->caps.color.dpp.dgam_ram = 0; // must use gamma_corr
+       dc->caps.color.dpp.dgam_rom_caps.srgb = 1;
+       dc->caps.color.dpp.dgam_rom_caps.bt2020 = 1;
+       dc->caps.color.dpp.dgam_rom_caps.gamma2_2 = 1;
+       dc->caps.color.dpp.dgam_rom_caps.pq = 1;
+       dc->caps.color.dpp.dgam_rom_caps.hlg = 1;
+       dc->caps.color.dpp.post_csc = 1;
+       dc->caps.color.dpp.gamma_corr = 1;
+       dc->caps.color.dpp.dgam_rom_for_yuv = 0;
+
+       dc->caps.color.dpp.hw_3d_lut = 0;
+       dc->caps.color.dpp.ogam_ram = 0;
+       // no OGAM ROM on DCN2 and later ASICs
+       dc->caps.color.dpp.ogam_rom_caps.srgb = 0;
+       dc->caps.color.dpp.ogam_rom_caps.bt2020 = 0;
+       dc->caps.color.dpp.ogam_rom_caps.gamma2_2 = 0;
+       dc->caps.color.dpp.ogam_rom_caps.pq = 0;
+       dc->caps.color.dpp.ogam_rom_caps.hlg = 0;
+       dc->caps.color.dpp.ocsc = 0;
+
+       dc->caps.color.mpc.gamut_remap = 1;
+       //configurable to be before or after BLND in MPCC
+       dc->caps.color.mpc.num_3dluts = pool->base.res_cap->num_mpc_3dlut;
+       dc->caps.color.mpc.num_rmcm_3dluts = 2;
+       dc->caps.color.mpc.ogam_ram = 1;
+       dc->caps.color.mpc.ogam_rom_caps.srgb = 0;
+       dc->caps.color.mpc.ogam_rom_caps.bt2020 = 0;
+       dc->caps.color.mpc.ogam_rom_caps.gamma2_2 = 0;
+       dc->caps.color.mpc.ogam_rom_caps.pq = 0;
+       dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
+       dc->caps.color.mpc.ocsc = 1;
+       dc->caps.color.mpc.preblend = true;
+       dc->caps.color.mpc.mcm_3d_lut_caps.dma_3d_lut = 1;
+       dc->caps.color.mpc.mcm_3d_lut_caps.lut_dim_caps.dim_9 = 1;
+       dc->caps.color.mpc.mcm_3d_lut_caps.lut_dim_caps.dim_17 = 1;
+       dc->caps.color.mpc.mcm_3d_lut_caps.mem_layout_support.linear_1d = 1;
+       dc->caps.color.mpc.mcm_3d_lut_caps.mem_layout_support.swizzle_3d_bgr = 
1;
+       dc->caps.color.mpc.mcm_3d_lut_caps.mem_layout_support.swizzle_3d_rgb = 
1;
+       dc->caps.color.mpc.mcm_3d_lut_caps.mem_format_support.unorm_12msb = 1;
+       dc->caps.color.mpc.mcm_3d_lut_caps.mem_format_support.unorm_12lsb = 1;
+       dc->caps.color.mpc.mcm_3d_lut_caps.mem_format_support.float_fp1_5_10 = 
1;
+       dc->caps.color.mpc.mcm_3d_lut_caps.mem_pixel_order_support.order_rgba = 
1;
+       dc->caps.color.mpc.mcm_3d_lut_caps.mem_pixel_order_support.order_bgra = 
1;
+       dc->caps.color.mpc.rmcm_3d_lut_caps.dma_3d_lut = 1;
+       dc->caps.color.mpc.rmcm_3d_lut_caps.lut_dim_caps.dim_17 = 1;
+       dc->caps.color.mpc.rmcm_3d_lut_caps.lut_dim_caps.dim_33 = 1;
+       dc->caps.color.mpc.rmcm_3d_lut_caps.mem_layout_support.linear_1d = 1;
+       dc->caps.color.mpc.rmcm_3d_lut_caps.mem_layout_support.swizzle_3d_bgr = 
1;
+       dc->caps.color.mpc.rmcm_3d_lut_caps.mem_layout_support.swizzle_3d_rgb = 
1;
+       dc->caps.color.mpc.rmcm_3d_lut_caps.mem_format_support.unorm_12msb = 1;
+       dc->caps.color.mpc.rmcm_3d_lut_caps.mem_format_support.unorm_12lsb = 1;
+       dc->caps.color.mpc.rmcm_3d_lut_caps.mem_format_support.float_fp1_5_10 = 
1;
+       dc->caps.color.mpc.rmcm_3d_lut_caps.mem_pixel_order_support.order_rgba 
= 1;
+       dc->caps.color.mpc.rmcm_3d_lut_caps.mem_pixel_order_support.order_bgra 
= 1;
+
+       dc->caps.num_of_host_routers = 3;
+       dc->caps.num_of_dpias_per_host_router = 2;
+
+       /* max_disp_clock_khz_at_vmin is slightly lower than the STA value in 
order
+        * to provide some margin.
+        * It's expected for furture ASIC to have equal or higher value, in 
order to
+        * have determinstic power improvement from generate to genration.
+        * (i.e., we should not expect new ASIC generation with lower vmin rate)
+        */
+       dc->caps.max_disp_clock_khz_at_vmin = 650000;
+       dc->config.use_spl = true;
+       dc->config.prefer_easf = true;
+
+       dc->config.dcn_sharpness_range.sdr_rgb_min = 0;
+       dc->config.dcn_sharpness_range.sdr_rgb_max = 1750;
+       dc->config.dcn_sharpness_range.sdr_rgb_mid = 750;
+       dc->config.dcn_sharpness_range.sdr_yuv_min = 0;
+       dc->config.dcn_sharpness_range.sdr_yuv_max = 3500;
+       dc->config.dcn_sharpness_range.sdr_yuv_mid = 1500;
+       dc->config.dcn_sharpness_range.hdr_rgb_min = 0;
+       dc->config.dcn_sharpness_range.hdr_rgb_max = 2750;
+       dc->config.dcn_sharpness_range.hdr_rgb_mid = 1500;
+
+       dc->config.dcn_override_sharpness_range.sdr_rgb_min = 0;
+       dc->config.dcn_override_sharpness_range.sdr_rgb_max = 3250;
+       dc->config.dcn_override_sharpness_range.sdr_rgb_mid = 1250;
+       dc->config.dcn_override_sharpness_range.sdr_yuv_min = 0;
+       dc->config.dcn_override_sharpness_range.sdr_yuv_max = 3500;
+       dc->config.dcn_override_sharpness_range.sdr_yuv_mid = 1500;
+       dc->config.dcn_override_sharpness_range.hdr_rgb_min = 0;
+       dc->config.dcn_override_sharpness_range.hdr_rgb_max = 2750;
+       dc->config.dcn_override_sharpness_range.hdr_rgb_mid = 1500;
+
+       dc->config.use_pipe_ctx_sync_logic = true;
+       dc->config.dc_mode_clk_limit_support = false;
+       dc->config.enable_windowed_mpo_odm = true;
+       /* Use psp mailbox to enable assr */
+       dc->config.use_assr_psp_message = true;
+       /* dcn42 and afterward always support external panel replay */
+       dc->config.frame_update_cmd_version2 = true;
+
+       /* read VBIOS LTTPR caps */
+       {
+               if (ctx->dc_bios->funcs->get_lttpr_caps) {
+                       enum bp_result bp_query_result;
+                       uint8_t is_vbios_lttpr_enable = 0;
+
+                       bp_query_result = 
ctx->dc_bios->funcs->get_lttpr_caps(ctx->dc_bios, &is_vbios_lttpr_enable);
+                       dc->caps.vbios_lttpr_enable = (bp_query_result == 
BP_RESULT_OK) && !!is_vbios_lttpr_enable;
+               }
+
+               dc->caps.vbios_lttpr_aware = true;
+       }
+       dc->check_config = config_defaults;
+
+       if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
+               dc->debug = debug_defaults_drv;
+
+       /*HW default is to have all the FGCG enabled, SW no need to program 
them*/
+       dc->debug.enable_fine_grain_clock_gating.u32All = 0xFFFF;
+       // Init the vm_helper
+       if (dc->vm_helper)
+               vm_helper_init(dc->vm_helper, 16);
+
+       /*************************************************
+        *  Create resources                             *
+        *************************************************/
+
+       /* Clock Sources for Pixel Clock*/
+       pool->base.clock_sources[DCN401_CLK_SRC_PLL0] =
+               dcn42_clock_source_create(ctx, ctx->dc_bios,
+                                                                 
CLOCK_SOURCE_COMBO_PHY_PLL0,
+                                                                 
&clk_src_regs[0], false);
+       pool->base.clock_sources[DCN401_CLK_SRC_PLL1] =
+               dcn42_clock_source_create(ctx, ctx->dc_bios,
+                                                                 
CLOCK_SOURCE_COMBO_PHY_PLL1,
+                                                                 
&clk_src_regs[1], false);
+       pool->base.clock_sources[DCN401_CLK_SRC_PLL2] =
+               dcn42_clock_source_create(ctx, ctx->dc_bios,
+                                                                 
CLOCK_SOURCE_COMBO_PHY_PLL2,
+                                                                 
&clk_src_regs[2], false);
+       pool->base.clock_sources[DCN401_CLK_SRC_PLL3] =
+               dcn42_clock_source_create(ctx, ctx->dc_bios,
+                                                                 
CLOCK_SOURCE_COMBO_PHY_PLL3,
+                                                                 
&clk_src_regs[3], false);
+       pool->base.clock_sources[DCN401_CLK_SRC_PLL4] =
+               dcn42_clock_source_create(ctx, ctx->dc_bios,
+                                                                 
CLOCK_SOURCE_COMBO_PHY_PLL4,
+                                                                 
&clk_src_regs[4], false);
+
+       pool->base.clk_src_count = DCN401_CLK_SRC_TOTAL;
+
+       /* todo: not reuse phy_pll registers */
+       pool->base.dp_clock_source =
+               dcn42_clock_source_create(ctx, ctx->dc_bios,
+                                                                 
CLOCK_SOURCE_ID_DP_DTO,
+                                                                 
&clk_src_regs[0], true);
+
+       for (i = 0; i < pool->base.clk_src_count; i++) {
+               if (pool->base.clock_sources[i] == NULL) {
+                       dm_error("DC: failed to create clock sources!\n");
+                       BREAK_TO_DEBUGGER();
+                       goto create_fail;
+               }
+       }
+
+       /* DCCG */
+       pool->base.dccg = dccg42_create(ctx, &dccg_regs, &dccg_shift, 
&dccg_mask);
+       if (pool->base.dccg == NULL) {
+               dm_error("DC: failed to create dccg!\n");
+               BREAK_TO_DEBUGGER();
+               goto create_fail;
+       }
+
+#undef REG_STRUCT
+#define REG_STRUCT pg_cntl_regs
+       pg_cntl_dcn42_regs_init();
+
+       pool->base.pg_cntl = pg_cntl42_create(ctx, &pg_cntl_regs, 
&pg_cntl_shift, &pg_cntl_mask);
+       if (pool->base.pg_cntl == NULL) {
+               dm_error("DC: failed to create power gate control!\n");
+               BREAK_TO_DEBUGGER();
+               goto create_fail;
+       }
+       /* IRQ Service */
+       init_data.ctx = dc->ctx;
+       pool->base.irqs = dal_irq_service_dcn42_create(&init_data);
+       if (!pool->base.irqs)
+               goto create_fail;
+
+       /* HUBBUB */
+       pool->base.hubbub = dcn42_hubbub_create(ctx);
+       if (pool->base.hubbub == NULL) {
+               BREAK_TO_DEBUGGER();
+               dm_error("DC: failed to create hubbub!\n");
+               goto create_fail;
+       }
+
+       /* HUBPs, DPPs, OPPs, TGs, ABMs */
+       for (i = 0, j = 0; i < pool->base.res_cap->num_timing_generator; i++) {
+               /* if pipe is disabled, skip instance of HW pipe,
+                * i.e, skip ASIC register instance
+                */
+               if (pipe_fuses & 1 << i)
+                       continue;
+
+               pool->base.hubps[j] = dcn42_hubp_create(ctx, i);
+               if (pool->base.hubps[j] == NULL) {
+                       BREAK_TO_DEBUGGER();
+                       dm_error(
+                               "DC: failed to create hubps!\n");
+                       goto create_fail;
+               }
+
+               pool->base.dpps[j] = dcn42_dpp_create(ctx, i);
+               if (pool->base.dpps[j] == NULL) {
+                       BREAK_TO_DEBUGGER();
+                       dm_error(
+                               "DC: failed to create dpps!\n");
+                       goto create_fail;
+               }
+
+               pool->base.opps[j] = dcn42_opp_create(ctx, i);
+               if (pool->base.opps[j] == NULL) {
+                       BREAK_TO_DEBUGGER();
+                       dm_error(
+                               "DC: failed to create output pixel 
processor!\n");
+                       goto create_fail;
+               }
+
+               pool->base.timing_generators[j] = dcn42_timing_generator_create(
+                       ctx, i);
+               if (pool->base.timing_generators[j] == NULL) {
+                       BREAK_TO_DEBUGGER();
+                       dm_error("DC: failed to create tg!\n");
+                       goto create_fail;
+               }
+
+               pool->base.multiple_abms[j] = dmub_abm_create(ctx,
+                                                                               
                          &abm_regs[i],
+                                                                               
                          &abm_shift,
+                                                                               
                          &abm_mask);
+               if (pool->base.multiple_abms[j] == NULL) {
+                       dm_error("DC: failed to create abm for pipe %d!\n", i);
+                       BREAK_TO_DEBUGGER();
+                       goto create_fail;
+               }
+
+               /* index for resource pool arrays for next valid pipe */
+               j++;
+       }
+
+       /* PSR */
+       pool->base.psr = dmub_psr_create(ctx);
+       if (pool->base.psr == NULL) {
+               dm_error("DC: failed to create psr obj!\n");
+               BREAK_TO_DEBUGGER();
+               goto create_fail;
+       }
+
+       /* Replay */
+       pool->base.replay = dmub_replay_create(ctx);
+       if (pool->base.replay == NULL) {
+               dm_error("DC: failed to create replay obj!\n");
+               BREAK_TO_DEBUGGER();
+               goto create_fail;
+       }
+
+       /* MPCCs */
+       pool->base.mpc = dcn42_mpc_create(ctx, 
pool->base.res_cap->num_timing_generator,
+                       pool->base.res_cap->num_mpc_3dlut);
+       if (pool->base.mpc == NULL) {
+               BREAK_TO_DEBUGGER();
+               dm_error("DC: failed to create mpc!\n");
+               goto create_fail;
+       }
+
+       /* DSCs */
+       for (i = 0; i < pool->base.res_cap->num_dsc; i++) {
+               pool->base.dscs[i] = dcn42_dsc_create(ctx, i);
+               if (pool->base.dscs[i] == NULL) {
+                       BREAK_TO_DEBUGGER();
+                       dm_error("DC: failed to create display stream 
compressor %d!\n", i);
+                       goto create_fail;
+               }
+       }
+
+       /* DWB */
+       if (!dcn42_dwbc_create(ctx, &pool->base)) {
+               BREAK_TO_DEBUGGER();
+               dm_error("DC: failed to create dwbc!\n");
+               goto create_fail;
+       }
+
+       /* MMHUBBUB */
+       if (!dcn42_mmhubbub_create(ctx, &pool->base)) {
+               BREAK_TO_DEBUGGER();
+               dm_error("DC: failed to create mcif_wb!\n");
+               goto create_fail;
+       }
+
+       /* AUX and I2C */
+       for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
+               pool->base.engines[i] = dcn42_aux_engine_create(ctx, i);
+
+               if (pool->base.engines[i] == NULL) {
+                       BREAK_TO_DEBUGGER();
+                       dm_error(
+                               "DC:failed to create aux engine!!\n");
+                       goto create_fail;
+               }
+               pool->base.hw_i2cs[i] = dcn42_i2c_hw_create(ctx, i);
+               if (pool->base.hw_i2cs[i] == NULL) {
+                       BREAK_TO_DEBUGGER();
+                       dm_error(
+                               "DC:failed to create hw i2c!!\n");
+                       goto create_fail;
+               }
+               pool->base.sw_i2cs[i] = NULL;
+       }
+       /* DCN4.2 has 6 DPIA */
+       pool->base.usb4_dpia_count = dc->caps.num_of_host_routers * 
dc->caps.num_of_dpias_per_host_router;
+       if (dc->debug.dpia_debug.bits.disable_dpia)
+               pool->base.usb4_dpia_count = 0;
+
+       /* Audio, HWSeq, Stream Encoders including HPO and virtual, MPC 3D LUTs 
*/
+       if (!resource_construct(num_virtual_links, dc, &pool->base,
+                                                       &res_create_funcs))
+               goto create_fail;
+
+       /* HW Sequencer init functions and Plane caps */
+       dcn42_hw_sequencer_init_functions(dc);
+
+       dc->caps.max_planes = pool->base.pipe_count;
+
+       for (i = 0; i < dc->caps.max_planes; ++i)
+               dc->caps.planes[i] = plane_cap;
+
+       dc->caps.max_odm_combine_factor = 4;
+
+       dc->cap_funcs = cap_funcs;
+       dc->dcn_ip->max_num_dpp = pool->base.pipe_count;
+
+       // For now enable SDPIF_REQUEST_RATE_LIMIT on DCN4_01 when 
vram_info.num_chans provided
+       if (dc->config.sdpif_request_limit_words_per_umc == 0)
+               dc->config.sdpif_request_limit_words_per_umc = 16;
+
+       dc->dml2_options.dcn_pipe_count = pool->base.pipe_count;
+        /*this will use real soc clock table*/
+       dc->dml2_options.use_native_soc_bb_construction = true;
+       dc->dml2_options.minimize_dispclk_using_odm = false;
+       if (dc->config.EnableMinDispClkODM)
+               dc->dml2_options.minimize_dispclk_using_odm = true;
+       dc->dml2_options.enable_windowed_mpo_odm = 
dc->config.enable_windowed_mpo_odm;
+       dc->dml2_options.map_dc_pipes_with_callbacks = true;
+       dc->dml2_options.force_tdlut_enable = true;
+
+       resource_init_common_dml2_callbacks(dc, &dc->dml2_options);
+       
dc->dml2_options.callbacks.can_support_mclk_switch_using_fw_based_vblank_stretch
 =
+                       
&dcn30_can_support_mclk_switch_using_fw_based_vblank_stretch;
+       dc->dml2_options.svp_pstate.callbacks.release_dsc = &dcn20_release_dsc;
+       dc->dml2_options.svp_pstate.callbacks.calculate_mall_ways_from_bytes =
+               pool->base.funcs->calculate_mall_ways_from_bytes;
+
+       dc->dml2_options.svp_pstate.subvp_fw_processing_delay_us = 
dc->caps.subvp_fw_processing_delay_us;
+       dc->dml2_options.svp_pstate.subvp_prefetch_end_to_mall_start_us = 
dc->caps.subvp_prefetch_end_to_mall_start_us;
+       dc->dml2_options.svp_pstate.subvp_pstate_allow_width_us = 
dc->caps.subvp_pstate_allow_width_us;
+       dc->dml2_options.svp_pstate.subvp_swath_height_margin_lines = 
dc->caps.subvp_swath_height_margin_lines;
+
+       dc->dml2_options.svp_pstate.force_disable_subvp = 
dc->debug.force_disable_subvp;
+       dc->dml2_options.svp_pstate.force_enable_subvp = 
dc->debug.force_subvp_mclk_switch;
+
+       dc->dml2_options.mall_cfg.cache_line_size_bytes = 
dc->caps.cache_line_size;
+       dc->dml2_options.mall_cfg.cache_num_ways = dc->caps.cache_num_ways;
+       dc->dml2_options.mall_cfg.max_cab_allocation_bytes =
+                               dc->caps.max_cab_allocation_bytes;
+       dc->dml2_options.mall_cfg.mblk_height_4bpe_pixels = 
DCN3_2_MBLK_HEIGHT_4BPE;
+       dc->dml2_options.mall_cfg.mblk_height_8bpe_pixels = 
DCN3_2_MBLK_HEIGHT_8BPE;
+       dc->dml2_options.mall_cfg.mblk_size_bytes = DCN3_2_MALL_MBLK_SIZE_BYTES;
+       dc->dml2_options.mall_cfg.mblk_width_pixels = DCN3_2_MBLK_WIDTH;
+
+       dc->dml2_options.max_segments_per_hubp = 24;
+       dc->dml2_options.det_segment_size = DCN42_CRB_SEGMENT_SIZE_KB;
+       dc->dml2_options.gpuvm_enable = true;
+       dc->dml2_options.hostvm_enable = true;
+
+       /* SPL */
+       dc->caps.scl_caps.sharpener_support = true;
+
+       return true;
+
+create_fail:
+
+       dcn42_resource_destruct(pool);
+
+       return false;
+}
+struct resource_pool *dcn42_create_resource_pool(
+       const struct dc_init_data *init_data,
+       struct dc *dc)
+{
+       struct dcn42_resource_pool *pool =
+               kzalloc(sizeof(struct dcn401_resource_pool), GFP_KERNEL);
+
+       if (!pool)
+               return NULL;
+
+       if (dcn42_resource_construct(init_data->num_virtual_links, dc, pool))
+               return &pool->base;
+
+       BREAK_TO_DEBUGGER();
+       kfree(pool);
+       return NULL;
+}
-- 
2.54.0

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