Commit 670da29f authored by Aurabindo Pillai's avatar Aurabindo Pillai Committed by Alex Deucher
Browse files

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



[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: default avatarAlvin Lee <alvin.lee2@amd.com>
Acked-by: default avatarRoman Li <roman.li@amd.com>
Signed-off-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b231933d

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c

+4 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/gpu/drm/amd/display/dc/dc.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c

+2 −1
Original line number Diff line number Diff line
@@ -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,

drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c

+2 −1
Original line number Diff line number Diff line
@@ -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)