diff options
| author | Qingqing Zhuo <qingqing.zhuo@amd.com> | 2021-03-16 15:32:08 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-09 16:48:08 -0400 |
| commit | ac3a4fa11ff46395ef3775eca0c24a7d1a37b5a7 (patch) | |
| tree | 84d16a983c95684c1bb4e3c089ce3e8ce5d46074 /drivers/gpu/drm/amd/display | |
| parent | 9127daa0a8d88a6e6452eb8b7c9be4c3f42a867e (diff) | |
| download | linux-ac3a4fa11ff46395ef3775eca0c24a7d1a37b5a7.tar.bz2 | |
drm/amd/display: enable DP DSC Compliance automation
[Why]
Color depth data is not parsed during test requests.
[How]
Update display color depth according to color depth
request from the test equipment.
Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan 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/core/dc_link_dp.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index a92fc1875474..962e88dd8dda 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -2808,10 +2808,27 @@ static void dp_test_send_link_test_pattern(struct dc_link *link) enum dp_test_pattern test_pattern; enum dp_test_pattern_color_space test_pattern_color_space = DP_TEST_PATTERN_COLOR_SPACE_UNDEFINED; + enum dc_color_depth requestColorDepth = COLOR_DEPTH_UNDEFINED; + struct pipe_ctx *pipes = link->dc->current_state->res_ctx.pipe_ctx; + struct pipe_ctx *pipe_ctx = NULL; + int i; memset(&dpcd_test_pattern, 0, sizeof(dpcd_test_pattern)); memset(&dpcd_test_params, 0, sizeof(dpcd_test_params)); + for (i = 0; i < MAX_PIPES; i++) { + if (pipes[i].stream == NULL) + continue; + + if (pipes[i].stream->link == link && !pipes[i].top_pipe && !pipes[i].prev_odm_pipe) { + pipe_ctx = &pipes[i]; + break; + } + } + + if (pipe_ctx == NULL) + return; + /* get link test pattern and pattern parameters */ core_link_read_dpcd( link, @@ -2849,6 +2866,29 @@ static void dp_test_send_link_test_pattern(struct dc_link *link) DP_TEST_PATTERN_COLOR_SPACE_YCBCR709 : DP_TEST_PATTERN_COLOR_SPACE_YCBCR601; + switch (dpcd_test_params.bits.BPC) { + case 0: // 6 bits + requestColorDepth = COLOR_DEPTH_666; + break; + case 1: // 8 bits + requestColorDepth = COLOR_DEPTH_888; + break; + case 2: // 10 bits + requestColorDepth = COLOR_DEPTH_101010; + break; + case 3: // 12 bits + requestColorDepth = COLOR_DEPTH_121212; + break; + default: + break; + } + + if (requestColorDepth != COLOR_DEPTH_UNDEFINED + && pipe_ctx->stream->timing.display_color_depth != requestColorDepth) { + pipe_ctx->stream->timing.display_color_depth = requestColorDepth; + dp_update_dsc_config(pipe_ctx); + } + dc_link_dp_set_test_pattern( link, test_pattern, |