summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/i915_gem.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@s-opensource.com>2017-11-14 18:47:01 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-11-14 18:47:01 +0300
commitf2ecc3d0787e05d9145722feed01d4a11ab6bec1 (patch)
tree8b952af40dad67d728f1e421efc640907c523982 /drivers/gpu/drm/i915/i915_gem.c
parentb1cb7372fa822af6c06c8045963571d13ad6348b (diff)
parentc14dd9d5f8beda9d8c621683b4e7d6cb5cd3cda7 (diff)
downloadlinux-f2ecc3d0787e05d9145722feed01d4a11ab6bec1.tar.xz
Merge tag 'staging-4.15-rc1' into v4l_for_linus
There are some conflicts between staging and media trees, as reported by Stephen Rothwell <sfr@canb.auug.org.au>. So, merge from staging. * tag 'staging-4.15-rc1': (775 commits) staging: lustre: add SPDX identifiers to all lustre files staging: greybus: Remove redundant license text staging: greybus: add SPDX identifiers to all greybus driver files staging: ccree: simplify ioread/iowrite staging: ccree: simplify registers access staging: ccree: simplify error handling logic staging: ccree: remove dead code staging: ccree: handle limiting of DMA masks staging: ccree: copy IV to DMAable memory staging: fbtft: remove redundant initialization of buf staging: sm750fb: Fix parameter mistake in poke32 staging: wilc1000: Fix bssid buffer offset in Txq staging: fbtft: fb_ssd1331: fix mirrored display staging: android: Fix checkpatch.pl error staging: greybus: loopback: convert loopback to use generic async operations staging: greybus: operation: add private data with get/set accessors staging: greybus: loopback: Fix iteration count on async path staging: greybus: loopback: Hold per-connection mutex across operations staging: greybus/loopback: use ktime_get() for time intervals staging: fsl-dpaa2/eth: Extra headroom in RX buffers ... Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index af289d35b77a..32e857dc507c 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2657,6 +2657,9 @@ i915_gem_object_pwrite_gtt(struct drm_i915_gem_object *obj,
if (READ_ONCE(obj->mm.pages))
return -ENODEV;
+ if (obj->mm.madv != I915_MADV_WILLNEED)
+ return -EFAULT;
+
/* Before the pages are instantiated the object is treated as being
* in the CPU domain. The pages will be clflushed as required before
* use, and we can freely write into the pages directly. If userspace