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authorAl Viro <viro@zeniv.linux.org.uk>2016-05-11 00:00:29 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2016-05-11 00:00:29 -0400
commite4d35be584be88a3db3fa5635a97c62a2ec5aafe (patch)
treefc22a7fb65697306edd71411959ccee6df60c64d /drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
parentget_rock_ridge_filename(): handle malformed NM entries (diff)
parentovl: ignore permissions on underlying lookup (diff)
downloadlinux-dev-e4d35be584be88a3db3fa5635a97c62a2ec5aafe.tar.xz
linux-dev-e4d35be584be88a3db3fa5635a97c62a2ec5aafe.zip
Merge branch 'ovl-fixes' into for-linus
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 1e0bba29e167..1cd6de575305 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);