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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 11 May 2016 09:21:22 +0000 (11:21 +0200)
commit3d2ef4c1a725f185db7c25d186567f207813e74d
treef9fabd7f076956aed60282bc5622e18104bd3498
parentc04e6e9730e5613ae2d5bd75ead2493eee0dabde
drm/amdgpu: make sure vertical front porch is at least 1

commit 0126d4b9a516256f2432ca0dc78ab293a8255378 upstream.

hw doesn't like a 0 value.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/amd/amdgpu/atombios_encoders.c