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 a4c0a04b5044..6da459fe20b2 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -37,6 +37,7 @@ #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) @@ -61,6 +62,8 @@ static int usecs_to_scanlines(const struct drm_display_mode *mode, int usecs) return DIV_ROUND_UP(usecs * mode->crtc_clock, 1000 * 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 @@ -101,7 +104,7 @@ bool intel_pipe_update_start(struct intel_crtc *crtc, uint32_t *start_vbl_count) if (WARN_ON(drm_crtc_vblank_get(&crtc->base))) return false; - local_irq_disable(); + local_lock_irq(pipe_update_lock); trace_i915_pipe_update_start(crtc, min, max); @@ -123,11 +126,11 @@ bool intel_pipe_update_start(struct intel_crtc *crtc, uint32_t *start_vbl_count) 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); @@ -158,7 +161,7 @@ void intel_pipe_update_end(struct intel_crtc *crtc, u32 start_vbl_count) trace_i915_pipe_update_end(crtc, end_vbl_count); - local_irq_enable(); + local_unlock_irq(pipe_update_lock); if (start_vbl_count != end_vbl_count) DRM_ERROR("Atomic update failure on pipe %c (start=%u end=%u)\n", |