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authorIngo Molnar <mingo@kernel.org>2016-05-07 07:00:07 +0200
committerIngo Molnar <mingo@kernel.org>2016-05-07 07:00:07 +0200
commit35dc9ec1076b79c31bf7ed538af008b7f23bb14d (patch)
treef90affdd5dc45f47f8d5d84ea34c71e5e521e7a1 /drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
parent0ec7ae928a9c19c2b7b8054507d5694a2597065e (diff)
parent07837831047fb72856d1f61a726a4094397facd8 (diff)
Merge branch 'linus' into efi/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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);