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authorDillon Varone <dillon.varone@amd.com>2024-08-26 17:08:33 -0400
committerAlex Deucher <alexander.deucher@amd.com>2024-09-18 16:15:07 -0400
commit0765b2afc1118a6ab5fee624e206c782d70db28a (patch)
treef6b4906730dd7a706081239648b5b9cec75e4059 /drivers/gpu/drm/amd/display
parentf57b77d667dc6bd2b114d08d04b03869539209f6 (diff)
drm/amd/display: Block timing sync for different output formats in pmo
[WHY & HOW] If the output format is different for HDMI TMDS signals, they are not synchronizable. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Signed-off-by: Dillon Varone <dillon.varone@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn4_fams2.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn4_fams2.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn4_fams2.c
index d63558ee3135..1cf9015e854a 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn4_fams2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn4_fams2.c
@@ -940,9 +940,11 @@ static void build_synchronized_timing_groups(
/* find synchronizable timing groups */
for (j = i + 1; j < display_config->display_config.num_streams; j++) {
if (memcmp(master_timing,
- &display_config->display_config.stream_descriptors[j].timing,
- sizeof(struct dml2_timing_cfg)) == 0 &&
- display_config->display_config.stream_descriptors[i].output.output_encoder == display_config->display_config.stream_descriptors[j].output.output_encoder) {
+ &display_config->display_config.stream_descriptors[j].timing,
+ sizeof(struct dml2_timing_cfg)) == 0 &&
+ display_config->display_config.stream_descriptors[i].output.output_encoder == display_config->display_config.stream_descriptors[j].output.output_encoder &&
+ (display_config->display_config.stream_descriptors[i].output.output_encoder != dml2_hdmi || //hdmi requires formats match
+ display_config->display_config.stream_descriptors[i].output.output_format == display_config->display_config.stream_descriptors[j].output.output_format)) {
set_bit_in_bitfield(&pmo->scratch.pmo_dcn4.synchronized_timing_group_masks[timing_group_idx], j);
set_bit_in_bitfield(&stream_mapped_mask, j);
}