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drm/amd/display: add interface to query SubVP status

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[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.lee2@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aurabindo Pillai 2023-10-10 16:32:23 -04:00 committed by Alex Deucher
parent b231933da7
commit 670da29faf
4 changed files with 9 additions and 2 deletions
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4
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
View File

@ -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;
}

1
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -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;

3
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
View File

@ -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,

3
drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
View File

@ -1571,7 +1571,8 @@ 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)