From: Aurabindo Pillai <aurabindo.pil...@amd.com>
[Why&How]
To enable automated testing through IGT, expose an API that is
accessible through debugfs to query current status of SubVP feature.
Reviewed-by: Alvin Lee <alvin.l...@amd.com>
Acked-by: Roman Li <roman...@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pil...@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 4 ++++
drivers/gpu/drm/amd/display/dc/dc.h | 1 +
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c | 3 ++-
drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c | 3 ++-
4 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 1259d6351c50..13a177d34376 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -3645,7 +3645,9 @@ static int capabilities_show(struct seq_file *m, void
*unused)
struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
struct dc *dc = adev->dm.dc;
bool mall_supported = dc->caps.mall_size_total;
+ bool subvp_supported = dc->caps.subvp_fw_processing_delay_us;
unsigned int mall_in_use = false;
+ unsigned int subvp_in_use = dc->cap_funcs.get_subvp_en(dc,
dc->current_state);
struct hubbub *hubbub = dc->res_pool->hubbub;
if (hubbub->funcs->get_mall_en)
@@ -3653,6 +3655,8 @@ static int capabilities_show(struct seq_file *m, void
*unused)
seq_printf(m, "mall supported: %s, enabled: %s\n",
mall_supported ? "yes" : "no", mall_in_use ? "yes" :
"no");
+ seq_printf(m, "sub-viewport supported: %s, enabled: %s\n",
+ subvp_supported ? "yes" : "no", subvp_in_use ? "yes"
: "no");
return 0;
}
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h
b/drivers/gpu/drm/amd/display/dc/dc.h
index aa4684be1d62..e6e6377a8ce3 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -382,6 +382,7 @@ struct dc_cap_funcs {
bool (*get_dcc_compression_cap)(const struct dc *dc,
const struct dc_dcc_surface_param *input,
struct dc_surface_dcc_cap *output);
+ bool (*get_subvp_en)(struct dc *dc, struct dc_state *context);
};
struct link_training_settings;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
index 0e1d395a9340..89b072447dba 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
@@ -1993,7 +1993,8 @@ int dcn32_populate_dml_pipes_from_context(
}
static struct dc_cap_funcs cap_funcs = {
- .get_dcc_compression_cap = dcn20_get_dcc_compression_cap
+ .get_dcc_compression_cap = dcn20_get_dcc_compression_cap,
+ .get_subvp_en = dcn32_subvp_in_use,
};
void dcn32_calculate_wm_and_dlg(struct dc *dc, struct dc_state *context,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
index 9f6186be7cd8..be953cf8103d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
@@ -1570,7 +1570,8 @@ static void dcn321_destroy_resource_pool(struct
resource_pool **pool)
}
static struct dc_cap_funcs cap_funcs = {
- .get_dcc_compression_cap = dcn20_get_dcc_compression_cap
+ .get_dcc_compression_cap = dcn20_get_dcc_compression_cap,
+ .get_subvp_en = dcn32_subvp_in_use,
};
static void dcn321_update_bw_bounding_box(struct dc *dc, struct clk_bw_params
*bw_params)
--
2.34.1
