From: George Shen <george.shen@xxxxxxx> [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@xxxxxxx> Acked-by: Roman Li <roman.li@xxxxxxx> Signed-off-by: George Shen <george.shen@xxxxxxx> --- .../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
