]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915: Check fb stride against plane max stride
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 18 Sep 2018 14:02:43 +0000 (17:02 +0300)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 25 Sep 2018 17:54:35 +0000 (20:54 +0300)
commit6aac3a589c3180f30359773602a89ce869ac3562
tree0bfcc4a1f3c99b51f852dc2e69e9ba31827698b0
parent9dda064eaf7e7732842eee52dcfc553fadd40733
drm/i915: Check fb stride against plane max stride

commit 10ed827b48f4 ("drm/i915: Extract per-platform plane->check()
functions") removed the plane max stride check for sprite planes.
I was going to add it back when introducing GTT remapping for the
display, but after further thought it seems better to re-introduce
it separately.

So let's add the max stride check back. And let's do it in a nicer
form than what we had before and do it for all plane types (easy
now that we have the ->max_stride() plane vfunc).

Only sprite planes really need this for now since primary planes
are capable of scanning out the current max fb size we allow, and
cursors have more stringent stride checks elsewhere.

Cc: José Roberto de Souza <jose.souza@intel.com>
Fixes: 10ed827b48f4 ("drm/i915: Extract per-platform plane->check() functions")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180918140243.12207-1-ville.syrjala@linux.intel.com
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_drv.h
drivers/gpu/drm/i915/intel_sprite.c