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authorDave Airlie <airlied@redhat.com>2016-05-09 13:49:56 +1000
committerDave Airlie <airlied@redhat.com>2016-05-09 13:49:56 +1000
commitbafb86f5bc3173479002555dea7f31d943b12332 (patch)
tree6ec94c96460faf782cdb8781339560e13e0918b0 /drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
parentba391646d0d43aee3596b616113cce0f22dde627 (diff)
parent44549e8f5eea4e0a41b487b63e616cb089922b99 (diff)
downloadblackbird-op-linux-bafb86f5bc3173479002555dea7f31d943b12332.tar.gz
blackbird-op-linux-bafb86f5bc3173479002555dea7f31d943b12332.zip
Merge tag 'v4.6-rc7' into drm-next
Merge this back as we've built up a fair few conflicts, and I have some newer trees to pull in.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atombios_encoders.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/atombios_encoders.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
index a873780183d5..48b6bd671cda 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
@@ -298,6 +298,10 @@ bool amdgpu_atombios_encoder_mode_fixup(struct drm_encoder *encoder,
&& (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2)))
adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2;
+ /* vertical FP must be at least 1 */
+ if (mode->crtc_vsync_start == mode->crtc_vdisplay)
+ adjusted_mode->crtc_vsync_start++;
+
/* get the native mode for scaling */
if (amdgpu_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
amdgpu_panel_mode_fixup(encoder, adjusted_mode);
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