diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 602bc80baabb..9689ca38b2b3 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -288,7 +288,13 @@ typedef struct drm_i915_private { int relative_constants_mode; void __iomem *regs; - u32 gt_fifo_count; + /** gt_fifo_count and the subsequent register write are synchronized + * with dev->struct_mutex. */ + unsigned gt_fifo_count; + /** forcewake_count is protected by gt_lock */ + unsigned forcewake_count; + /** gt_lock is also taken in irq contexts. */ + struct spinlock gt_lock; struct intel_gmbus { struct i2c_adapter adapter; @@ -741,8 +747,6 @@ typedef struct drm_i915_private { struct drm_property *broadcast_rgb_property; struct drm_property *force_audio_property; - - atomic_t forcewake_count; } drm_i915_private_t; enum i915_cache_level { |