p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

drm/i915: Stop asserting on set-wedged vs nop_submit_request ordering 

Since the removal of the stop_machine(), it is allowed and expected for
the nop_submit_request() and nop_complete_submit_request() to run in
parallel to the i915_gem_set_wedged() processing. As such we can no
longer assert that i915_gem_set_wedged() has completed inside the
stop_machine prior to the individual nop_submit_request execution.

Fixes: af7a8ffad9 ("drm/i915: Use rcu instead of stop_machine in set_wedged")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171012204019.3557-1-chris@chris-wilson.co.uk
Reviewed-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
This commit is contained in:
Chris Wilson 2017-10-12 21:40:19 +01:00
parent 15d05f0e77
commit 5d031f4e16
1 changed files with 0 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/i915/i915_gem.c
View File

@ -3087,7 +3087,6 @@ void i915_gem_reset_finish(struct drm_i915_private *dev_priv)
static void nop_submit_request(struct drm_i915_gem_request *request)
{
GEM_BUG_ON(!i915_terminally_wedged(&request->i915->gpu_error));
dma_fence_set_error(&request->fence, -EIO);
i915_gem_request_submit(request);
@ -3097,7 +3096,6 @@ static void nop_complete_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);
spin_lock_irqsave(&request->engine->timeline->lock, flags);