From: Rodrigo Siqueira Date: Tue, 14 Jun 2022 20:38:01 +0000 (-0400) Subject: drm/amd/display: Use two pixel per container for k1/k2 div X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2b2b3a751b29a09942a15bc0c4fed940b7ce1857;p=linux.git drm/amd/display: Use two pixel per container for k1/k2 div Currently, we check if pixel_encoding is equal to PIXEL_ENCODING_YCBCR422 to get the k1/k2 div parameters. This commit changes this logic slightly by checking if two pixels per container are used. Signed-off-by: Rodrigo Siqueira Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- 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 cbc93f5a428e5..baaeaaff23df2 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c @@ -1084,6 +1084,7 @@ unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsign struct dc_stream_state *stream = pipe_ctx->stream; unsigned int odm_combine_factor = 0; struct dc *dc = pipe_ctx->stream->ctx->dc; + bool two_pix_per_container = optc2_is_two_pixels_per_containter(&stream->timing); odm_combine_factor = get_odm_config(pipe_ctx, NULL); @@ -1096,13 +1097,12 @@ unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsign else *k2_div = PIXEL_RATE_DIV_BY_4; } else if (dc_is_dp_signal(pipe_ctx->stream->signal)) { - if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) { + if (two_pix_per_container) { *k1_div = PIXEL_RATE_DIV_BY_1; *k2_div = PIXEL_RATE_DIV_BY_2; - } else if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422) { - *k1_div = PIXEL_RATE_DIV_BY_2; - *k2_div = PIXEL_RATE_DIV_BY_2; } else { + *k1_div = PIXEL_RATE_DIV_BY_1; + *k2_div = PIXEL_RATE_DIV_BY_4; if ((odm_combine_factor == 2) || dc->debug.enable_dp_dig_pixel_rate_div_policy) *k2_div = PIXEL_RATE_DIV_BY_2; }