From 4bfd688e6508ac6f1cdf81c1ea91e3091fa93853 Mon Sep 17 00:00:00 2001 From: Aurabindo Pillai Date: Fri, 19 Aug 2022 13:11:30 -0400 Subject: [PATCH] drm/amd/display: Revert "program k1/k2 divider for virtual signal for DCN32" [Why & How] This reverts commit e6cf22ef5fae493a99e162c3f2e7233448d2b970 since it causes a SubVP related regression: "Switching between windowed video and fullscreen can intermittently cause black screen" Fixes: e6cf22ef5fae49 ("drm/amd/display: program k1/k2 divider for virtual signal for DCN32") Reviewed-by: Aric Cyr Acked-by: Brian Chang Signed-off-by: Aurabindo Pillai Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- 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;