Commit 6801723b authored by Fabien DESSENNE's avatar Fabien DESSENNE Committed by Vincent Abriou

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: default avatarFabien Dessenne <fabien.dessenne@st.com>
Acked-by: default avatarVincent Abriou <vincent.abriou@st.com>
parent c62052d1
...@@ -1037,9 +1037,9 @@ static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane, ...@@ -1037,9 +1037,9 @@ static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane,
src_w = state->src_w >> 16; src_w = state->src_w >> 16;
src_h = state->src_h >> 16; src_h = state->src_h >> 16;
if (!sti_hqvdp_check_hw_scaling(hqvdp, mode, if (mode->clock && !sti_hqvdp_check_hw_scaling(hqvdp, mode,
src_w, src_h, src_w, src_h,
dst_w, dst_h)) { dst_w, dst_h)) {
DRM_ERROR("Scaling beyond HW capabilities\n"); DRM_ERROR("Scaling beyond HW capabilities\n");
return -EINVAL; return -EINVAL;
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment