From: George Shen <george.s...@amd.com>
[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....@amd.com>
Acked-by: Roman Li <roman...@amd.com>
Signed-off-by: George Shen <george.s...@amd.com>
---
.../gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c | 6 ++++++
1 file changed, 6 insertions(+)
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);
}
--
2.34.1
