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drm/amd/display: enable DP DSC Compliance automation

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[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>
This commit is contained in:
Qingqing Zhuo 2021-03-16 15:32:08 -04:00 committed by Alex Deucher
parent 9127daa0a8
commit ac3a4fa11f
1 changed files with 40 additions and 0 deletions
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40
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
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@ -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,