From 3b214bb7185d8284d7d4c53e15127f69a375abf6 Mon Sep 17 00:00:00 2001 From: Aurabindo Pillai Date: Mon, 30 Jan 2023 13:07:59 -0500 Subject: [PATCH] drm/amd/display: fix k1 k2 divider programming for phantom streams [Why & How] When k1 and k2 divider programming logic is executed for a phantom stream, the corresponding master stream should be used for the calculation. Fix the if condition to use the master stream for checking signal type instead of the phantom stream. Reviewed-by: Alvin Lee Acked-by: Qingqing Zhuo Signed-off-by: Aurabindo Pillai Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) 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 8a472118ff70..16f892125b6f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c @@ -1098,13 +1098,13 @@ unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsign if (link_is_dp_128b_132b_signal(pipe_ctx)) { *k1_div = PIXEL_RATE_DIV_BY_1; *k2_div = PIXEL_RATE_DIV_BY_1; - } else if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) || dc_is_dvi_signal(pipe_ctx->stream->signal)) { + } else if (dc_is_hdmi_tmds_signal(stream->signal) || dc_is_dvi_signal(stream->signal)) { *k1_div = PIXEL_RATE_DIV_BY_1; if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) *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(stream->signal) || dc_is_virtual_signal(stream->signal)) { if (two_pix_per_container) { *k1_div = PIXEL_RATE_DIV_BY_1; *k2_div = PIXEL_RATE_DIV_BY_2; -- 2.34.1