From: Qingqing Zhuo <[email protected]> [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]> --- .../gpu/drm/amd/display/dc/core/dc_link_dp.c | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) 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, -- 2.25.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
