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path: root/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
index 0dec57679269..5838a11efd00 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
@@ -23,6 +23,7 @@
*
*/
+#include "core_types.h"
#include "dm_services.h"
#include "dcn10_opp.h"
#include "reg_helper.h"
@@ -160,6 +161,9 @@ static void opp1_set_pixel_encoding(
struct dcn10_opp *oppn10,
const struct clamping_and_pixel_encoding_params *params)
{
+ bool force_chroma_subsampling_1tap =
+ oppn10->base.ctx->dc->debug.force_chroma_subsampling_1tap;
+
switch (params->pixel_encoding) {
case PIXEL_ENCODING_RGB:
@@ -178,6 +182,9 @@ static void opp1_set_pixel_encoding(
default:
break;
}
+
+ if (force_chroma_subsampling_1tap)
+ REG_UPDATE(FMT_CONTROL, FMT_SUBSAMPLING_MODE, 0);
}
/**
@@ -377,6 +384,7 @@ static const struct opp_funcs dcn10_opp_funcs = {
.opp_set_disp_pattern_generator = NULL,
.opp_program_dpg_dimensions = NULL,
.dpg_is_blanked = NULL,
+ .dpg_is_pending = NULL,
.opp_destroy = opp1_destroy
};