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Diffstat (limited to 'drivers/gpu/drm/amd/display')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index b33eafe45f76..f36d1f57b846 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -826,6 +826,14 @@ enum dc_status dcn10_enable_stream_timing(
color_space = stream->output_color_space;
color_space_to_black_color(dc, color_space, &black_color);
+ /*
+ * The way 420 is packed, 2 channels carry Y component, 1 channel
+ * alternate between Cb and Cr, so both channels need the pixel
+ * value for Y
+ */
+ if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
+ black_color.color_r_cr = black_color.color_g_y;
+
if (pipe_ctx->stream_res.tg->funcs->set_blank_color)
pipe_ctx->stream_res.tg->funcs->set_blank_color(
pipe_ctx->stream_res.tg,
@@ -2254,6 +2262,14 @@ void dcn10_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
&blnd_cfg.black_color);
}
+ /*
+ * The way 420 is packed, 2 channels carry Y component, 1 channel
+ * alternate between Cb and Cr, so both channels need the pixel
+ * value for Y
+ */
+ if (pipe_ctx->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
+ blnd_cfg.black_color.color_r_cr = blnd_cfg.black_color.color_g_y;
+
if (per_pixel_alpha)
blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA;
else