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git.proxmox.com Git - mirror_ubuntu-hirsute-kernel.git/commit
drm/i915: Make sure vsyncshift is positive
If vsyncshift comes out as negative, add one htotal to it to get the
corresponding positive value.
This is rather theoretical as it would require a mode where the
hsync+back porch is very long and the active+front porch very short.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>