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drm/amd/display: Add DSC 422Native debug option 

[Why]
Need to be able to enable native 422 for debugging purposes.

[How]
Add new dc_debug_options bool and check it in the get_dsc_enc_caps
function.

Signed-off-by: Ilya Bakoulin <Ilya.Bakoulin@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ilya Bakoulin 2019-10-03 17:35:32 -04:00 committed by Alex Deucher
parent f6fe4053b9
commit e8cfbdac9a
2 changed files with 6 additions and 1 deletions
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1
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -362,6 +362,7 @@ struct dc_debug_options {
bool disable_hubp_power_gate;
bool disable_dsc_power_gate;
int dsc_min_slice_height_override;
bool native422_support;
bool disable_pplib_wm_range;
enum wm_report_mode pplib_wm_report_mode;
unsigned int min_disp_clk_khz;

6
drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
View File

@ -25,6 +25,7 @@
#include "dc_hw_types.h"
#include "dsc.h"
#include <drm/drm_dp_helper.h>
#include "dc.h"
struct dc_dsc_policy {
bool use_min_slices_h;
@ -236,8 +237,11 @@ static void get_dsc_enc_caps(
// This is a static HW query, so we can use any DSC
memset(dsc_enc_caps, 0, sizeof(struct dsc_enc_caps));
if (dsc)
if (dsc) {
dsc->funcs->dsc_get_enc_caps(dsc_enc_caps, pixel_clock_100Hz);
if (dsc->ctx->dc->debug.native422_support)
dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_422 = 1;
}
}
/* Returns 'false' if no intersection was found for at least one capablity.