[PATCH 25/33] drm/amd/display: Revert "program k1/k2 divider for virtual signal for DCN32"

brichang Brian.Chang at amd.com
Fri Aug 26 22:50:45 UTC 2022


From: Aurabindo Pillai <aurabindo.pillai at amd.com>

[Why & How]
This reverts commit 9dd9c085ae3b since it
causes a SubVP related regression: "Switching between windowed video and
fullscreen can intermittently cause black screen"

Reviewed-by: Aric Cyr <Aric.Cyr at amd.com>
Acked-by: Brian Chang <Brian.Chang at amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
index 2d428ec48e24..7717d00b60dc 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -1157,7 +1157,7 @@ unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsign
 			*k2_div = PIXEL_RATE_DIV_BY_2;
 		else
 			*k2_div = PIXEL_RATE_DIV_BY_4;
-	} else if (dc_is_dp_signal(pipe_ctx->stream->signal) || dc_is_virtual_signal(pipe_ctx->stream->signal)) {
+	} else if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
 		if (two_pix_per_container) {
 			*k1_div = PIXEL_RATE_DIV_BY_1;
 			*k2_div = PIXEL_RATE_DIV_BY_2;
-- 
2.25.1



More information about the amd-gfx mailing list