]> git.baikalelectronics.ru Git - kernel.git/commit
drm/sti: do not check hw scaling if mode is not set
authorFabien DESSENNE <fabien.dessenne@st.com>
Thu, 12 Jan 2017 16:27:37 +0000 (17:27 +0100)
committerVincent Abriou <vincent.abriou@st.com>
Fri, 10 Feb 2017 08:34:39 +0000 (09:34 +0100)
commitfa0834b8fb9de623d27361aaba10c5d0e8374f3d
tree7696405c5238cb7d041bc64a6c7eb337adf295c8
parent2311873478baaef8630bbe1b1ff888d08010009b
drm/sti: do not check hw scaling if mode is not set

Fix a division by 0 case : in some cases, when the HQVDP plane is being
disabled atomic_check() is called with "mode->clock = 0".
In that case, do not check for scaling capabilities.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Vincent Abriou <vincent.abriou@st.com>
drivers/gpu/drm/sti/sti_hqvdp.c