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drm/amd/display: Update SDP VSC colorimetry from DP test automation request

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[Why]
Certain test equipment vendors check the SDP VSC for colorimetry against
the value from the test request during certain DP link layer tests for
YCbCr test cases.

[How]
Update SDP VSC with colorimetry from test automation request.

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
George Shen 2023-10-02 15:31:16 -04:00 committed by Alex Deucher
parent d591284288
commit a67f7a0b18
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c
View File

@ -839,6 +839,12 @@ bool dp_set_test_pattern(
pipe_ctx->stream->vsc_infopacket.sb[17] |= (1 << 7); // sb17 bit 7 Dynamic Range: 0 = VESA range, 1 = CTA range
else
pipe_ctx->stream->vsc_infopacket.sb[17] &= ~(1 << 7);
if (color_space == COLOR_SPACE_YCBCR601_LIMITED)
pipe_ctx->stream->vsc_infopacket.sb[16] &= 0xf0;
else if (color_space == COLOR_SPACE_YCBCR709_LIMITED)
pipe_ctx->stream->vsc_infopacket.sb[16] |= 1;
resource_build_info_frame(pipe_ctx);
link->dc->hwss.update_info_frame(pipe_ctx);
}