drm/radeon: make sure vertical front porch is at least 1
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 2 May 2016 22:53:27 +0000 (18:53 -0400)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 15 Jun 2016 20:28:14 +0000 (21:28 +0100)
commit2187b4a87421b8adc45b2ec245bf6de81769d802
tree7df7ab77e860d3e7354c6f100ab427a482aa3ec7
parent26265a03012688a828523a7d6d53b49d6c12ab6e
drm/radeon: make sure vertical front porch is at least 1

commit 3104b8128d4d646a574ed9d5b17c7d10752cd70b upstream.

hw doesn't like a 0 value.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/gpu/drm/radeon/atombios_encoders.c