[Intel-gfx] [PATCH 7/8] drm/i915: reduce struct_mutex coverage at intel_crtc_page_flip()
Paulo Zanoni
przanoni at gmail.com
Tue Jun 30 06:53:11 PDT 2015
From: Paulo Zanoni <paulo.r.zanoni at intel.com>
Neither intel_fbc_disable() nor intel_frontbuffer_flip_prepare() need
that lock.
That intel_fbc_disable() call over there can also certainly be
improved, but let's do it on its own commit.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index eab5aa1..0d98332 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11445,11 +11445,11 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
i915_gem_track_fb(intel_fb_obj(work->old_fb), obj,
to_intel_plane(primary)->frontbuffer_bit);
+ mutex_unlock(&dev->struct_mutex);
intel_fbc_disable(dev);
intel_frontbuffer_flip_prepare(dev,
to_intel_plane(primary)->frontbuffer_bit);
- mutex_unlock(&dev->struct_mutex);
trace_i915_flip_request(intel_crtc->plane, obj);
--
2.1.4
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