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authorQingqing Zhuo <[email protected]>2021-03-16 15:32:08 -0400
committerAlex Deucher <[email protected]>2021-04-09 16:48:08 -0400
commitac3a4fa11ff46395ef3775eca0c24a7d1a37b5a7 (patch)
tree84d16a983c95684c1bb4e3c089ce3e8ce5d46074
parent9127daa0a8d88a6e6452eb8b7c9be4c3f42a867e (diff)
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 <[email protected]> Reviewed-by: Nicholas Kazlauskas <[email protected]> Acked-by: Anson Jacob <[email protected]> Tested-by: Dan Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c40
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,