diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sprite.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sprite.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 4178849631ad..0eb939c92544 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -38,6 +38,7 @@ #include "intel_drv.h" #include <drm/i915_drm.h> #include "i915_drv.h" +#include <linux/locallock.h> static bool format_is_yuv(uint32_t format) @@ -64,6 +65,8 @@ int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, 1000 * adjusted_mode->crtc_htotal); } +static DEFINE_LOCAL_IRQ_LOCK(pipe_update_lock); + /** * intel_pipe_update_start() - start update of a set of display registers * @crtc: the crtc of which the registers are going to be updated @@ -94,7 +97,7 @@ void intel_pipe_update_start(struct intel_crtc *crtc) min = vblank_start - intel_usecs_to_scanlines(adjusted_mode, 100); max = vblank_start - 1; - local_irq_disable(); + local_lock_irq(pipe_update_lock); if (min <= 0 || max <= 0) return; @@ -124,11 +127,11 @@ void intel_pipe_update_start(struct intel_crtc *crtc) break; } - local_irq_enable(); + local_unlock_irq(pipe_update_lock); timeout = schedule_timeout(timeout); - local_irq_disable(); + local_lock_irq(pipe_update_lock); } finish_wait(wq, &wait); @@ -180,7 +183,7 @@ void intel_pipe_update_end(struct intel_crtc *crtc, struct intel_flip_work *work crtc->base.state->event = NULL; } - local_irq_enable(); + local_unlock_irq(pipe_update_lock); if (crtc->debug.start_vbl_count && crtc->debug.start_vbl_count != end_vbl_count) { |