From: Amy Zhang <[email protected]>
Change-Id: I7359d5d7b3e6a0569863f6bea10dbf4199be172d
Signed-off-by: Amy Zhang <[email protected]>
Reviewed-by: Tony Cheng <[email protected]>
Acked-by: Harry Wentland <[email protected]>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 13 +++++++++++++
drivers/gpu/drm/amd/display/dc/dc.h | 2 ++
drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c | 2 ++
drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h | 1 +
4 files changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 79f3947a3ee1..318aaa762f31 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1444,6 +1444,19 @@ bool dc_link_set_psr_enable(const struct dc_link
*dc_link, bool enable)
return true;
}
+bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state)
+{
+ struct core_link *link = DC_LINK_TO_CORE(dc_link);
+ struct dc_context *ctx = link->ctx;
+ struct core_dc *core_dc = DC_TO_CORE(ctx->dc);
+ struct dmcu *dmcu = core_dc->res_pool->dmcu;
+
+ if (dmcu != NULL && link->psr_enabled)
+ dmcu->funcs->get_psr_state(dmcu, psr_state);
+
+ return true;
+}
+
bool dc_link_setup_psr(const struct dc_link *dc_link,
const struct dc_stream *stream, struct psr_config *psr_config)
{
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h
b/drivers/gpu/drm/amd/display/dc/dc.h
index ce052d12a104..328bfcb7dbb8 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -702,6 +702,8 @@ bool dc_link_set_abm_disable(const struct dc_link *dc_link);
bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable);
+bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state);
+
bool dc_link_setup_psr(const struct dc_link *dc_link,
const struct dc_stream *stream, struct psr_config *psr_config);
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
index c58328cd787b..03b51e256e21 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
@@ -470,6 +470,7 @@ static const struct dmcu_funcs dce_funcs = {
.load_iram = dce_dmcu_load_iram,
.set_psr_enable = dce_dmcu_set_psr_enable,
.setup_psr = dce_dmcu_setup_psr,
+ .get_psr_state = dce_get_dmcu_psr_state
};
#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
@@ -477,6 +478,7 @@ static const struct dmcu_funcs dcn10_funcs = {
.load_iram = dcn10_dmcu_load_iram,
.set_psr_enable = dcn10_dmcu_set_psr_enable,
.setup_psr = dcn10_dmcu_setup_psr,
+ .get_psr_state = dcn10_get_dmcu_psr_state
};
#endif
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h
b/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h
index 656cfdc79891..dff0babb5cf7 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h
@@ -41,6 +41,7 @@ struct dmcu_funcs {
void (*setup_psr)(struct dmcu *dmcu,
struct core_link *link,
struct psr_context *psr_context);
+ void (*get_psr_state)(struct dmcu *dmcu, uint32_t *psr_state);
};
#endif
--
2.11.0
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