diff options
| author | Charlene Liu <charlene.liu@amd.com> | 2017-07-17 17:46:49 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 18:15:14 -0400 |
| commit | 83572340097012c91de3f96e52797491c79cfe43 (patch) | |
| tree | cab3b84ce1c581cfb88158851ce137f3fae4829c /drivers | |
| parent | 820e3935489c85d7dc3024eec709b016ba75b376 (diff) | |
| download | linux-83572340097012c91de3f96e52797491c79cfe43.tar.bz2 | |
drm/amd/display: fix DVI connected to HDMI connector max tmds clock
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 6 |
1 files changed, 6 insertions, 0 deletions
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 812c29982a2e..5663d3dbd7d5 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; |