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authorChris Wilson <chris@chris-wilson.co.uk>2017-03-16 17:13:02 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2017-03-16 17:17:10 +0000
commit8c185ecaf4ee6966144c3897afdda557c5849bb0 (patch)
tree15b61ddfb7c8d167886dfe927245ac8ccbfdc488 /drivers/gpu/drm/i915/intel_display.c
parent3fc03069bc6e6c316f19bb526e3c8ce784677477 (diff)
downloadop-kernel-dev-8c185ecaf4ee6966144c3897afdda557c5849bb0.zip
op-kernel-dev-8c185ecaf4ee6966144c3897afdda557c5849bb0.tar.gz
drm/i915: Split I915_RESET_IN_PROGRESS into two flags
I915_RESET_IN_PROGRESS is being used for both signaling the requirement to i915_mutex_lock_interruptible() to avoid taking the struct_mutex and to instruct a waiter (already holding the struct_mutex) to perform the reset. To allow for a little more coordination, split these two meaning into a couple of distinct flags. I915_RESET_BACKOFF tells i915_mutex_lock_interruptible() not to acquire the mutex and I915_RESET_HANDOFF tells the waiter to call i915_reset(). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Michel Thierry <michel.thierry@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170316171305.12972-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 4b73513..5959c9b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3639,7 +3639,7 @@ static bool abort_flip_on_reset(struct intel_crtc *crtc)
{
struct i915_gpu_error *error = &to_i915(crtc->base.dev)->gpu_error;
- if (i915_reset_in_progress(error))
+ if (i915_reset_backoff(error))
return true;
if (crtc->reset_count != i915_reset_count(error))
@@ -10595,7 +10595,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
goto cleanup;
intel_crtc->reset_count = i915_reset_count(&dev_priv->gpu_error);
- if (i915_reset_in_progress_or_wedged(&dev_priv->gpu_error)) {
+ if (i915_reset_backoff_or_wedged(&dev_priv->gpu_error)) {
ret = -EIO;
goto unlock;
}
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