diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-10-24 13:17:20 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-10-24 13:17:20 +0200 |
| commit | 9babb091e0ec84f7503fde0a2d9a2a16a0f48e3c (patch) | |
| tree | 9b6f07288b9ca9d8444414cd7da291d7c4731da7 /drivers/gpu/drm/i915/i915_gem.c | |
| parent | 5cdda5117e125e0dbb020425cc55a4c143c6febc (diff) | |
| parent | bb176f67090ca54869fc1262c913aa69d2ede070 (diff) | |
Merge tag 'v4.14-rc6' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 19404c96eeb1..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 @@ -3013,10 +3016,15 @@ void i915_gem_reset_finish(struct drm_i915_private *dev_priv) static void nop_submit_request(struct drm_i915_gem_request *request) { + unsigned long flags; + GEM_BUG_ON(!i915_terminally_wedged(&request->i915->gpu_error)); dma_fence_set_error(&request->fence, -EIO); - i915_gem_request_submit(request); + + spin_lock_irqsave(&request->engine->timeline->lock, flags); + __i915_gem_request_submit(request); intel_engine_init_global_seqno(request->engine, request->global_seqno); + spin_unlock_irqrestore(&request->engine->timeline->lock, flags); } static void engine_set_wedged(struct intel_engine_cs *engine) |