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| author | George Shen <george.shen@amd.com> | 2023-10-02 15:31:16 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-26 18:57:28 -0400 |
| commit | a67f7a0b18c09d5b62eafb6d5c2f54e6f6ea6cf1 (patch) | |
| tree | 4d0009de87e11eca5db6690f63ff17adb11dc980 /drivers/gpu/drm/amd/display/dc/link | |
| parent | d591284288c29f04e52ae4f3d605e2f39c3e316c (diff) | |
| download | linux-stable-a67f7a0b18c09d5b62eafb6d5c2f54e6f6ea6cf1.tar.gz linux-stable-a67f7a0b18c09d5b62eafb6d5c2f54e6f6ea6cf1.tar.bz2 linux-stable-a67f7a0b18c09d5b62eafb6d5c2f54e6f6ea6cf1.zip | |
drm/amd/display: Update SDP VSC colorimetry from DP test automation request
[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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c index 0894e6aef3dd..21a39afd274b 100644 --- a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c +++ b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c @@ -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); } |