drm/amdgpu: make sure vertical front porch is at least 1
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 2 May 2016 22:54:39 +0000 (18:54 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 3 May 2016 18:50:59 +0000 (14:50 -0400)
commit0126d4b9a516256f2432ca0dc78ab293a8255378
treec3c49f6835749bb992a5bcb877f9c4c0aea5d3cb
parent3104b8128d4d646a574ed9d5b17c7d10752cd70b
drm/amdgpu: make sure vertical front porch is at least 1

hw doesn't like a 0 value.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/atombios_encoders.c