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drm/i915: Simplify reset_counter handling during atomic modesetting

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Now that the reset_counter is stored on the request, we can rearrange
the code to handle reading the counter versus waiting during the atomic
modesetting for readibility (by deleting the hairiest of codes).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1460565315-7748-8-git-send-email-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-04-13 17:35:07 +01:00
parent 299259a3a9
commit f7e5838bb3
1 changed files with 7 additions and 11 deletions
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16
drivers/gpu/drm/i915/intel_display.c
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@ -13424,9 +13424,9 @@ static int intel_atomic_prepare_commit(struct drm_device *dev,
return ret;
ret = drm_atomic_helper_prepare_planes(dev, state);
if (!ret && !async && !i915_reset_in_progress_or_wedged(&dev_priv->gpu_error)) {
mutex_unlock(&dev->struct_mutex);
if (!ret && !async) {
for_each_plane_in_state(state, plane, plane_state, i) {
struct intel_plane_state *intel_plane_state =
to_intel_plane_state(plane_state);
@ -13440,19 +13440,15 @@ static int intel_atomic_prepare_commit(struct drm_device *dev,
/* Swallow -EIO errors to allow updates during hw lockup. */
if (ret == -EIO)
ret = 0;
if (ret)
break;
}
if (!ret)
return 0;
if (ret) {
mutex_lock(&dev->struct_mutex);
drm_atomic_helper_cleanup_planes(dev, state);
mutex_unlock(&dev->struct_mutex);
break;
}
}
}
mutex_unlock(&dev->struct_mutex);
return ret;
}