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drm/amd/display: Use two pixel per container for k1/k2 div

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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 <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rodrigo Siqueira
2022-06-14 16:38:01 -04:00
committed by Alex Deucher
parent 88ef4c5bb3
commit 2b2b3a751b
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
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@@ -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;
}