From: Charlene Liu <[email protected]>
Change-Id: If1f43f6c7f8ed8485fcc1bda83933dedb4d76ef1
Signed-off-by: Charlene Liu <[email protected]>
Reviewed-by: Dmytro Laktyushkin <[email protected]>
Acked-by: Harry Wentland <[email protected]>
---
drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
index 812c299..5663d3d 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
@@ -830,6 +830,12 @@ bool dce110_link_encoder_validate_dvi_output(
if (crtc_timing->pixel_encoding != PIXEL_ENCODING_RGB)
return false;
+ /*connect DVI via adpater's HDMI connector*/
+ if ((connector_signal == SIGNAL_TYPE_DVI_SINGLE_LINK ||
+ connector_signal == SIGNAL_TYPE_HDMI_TYPE_A) &&
+ signal != SIGNAL_TYPE_HDMI_TYPE_A &&
+ crtc_timing->pix_clk_khz > TMDS_MAX_PIXEL_CLOCK)
+ return false;
if (crtc_timing->pix_clk_khz < TMDS_MIN_PIXEL_CLOCK)
return false;
--
2.7.4
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