Simplifying the code a bit.
v2: add rcu_read_lock()/unlock()
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/i915/display/intel_display.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 134a6acbd8fb..fa73a6754373 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -11290,6 +11290,7 @@ intel_prepare_plane_fb(struct drm_plane *_plane,
i915_gem_object_flush_frontbuffer(obj, ORIGIN_DIRTYFB);
if (!new_plane_state->uapi.fence) { /* implicit fencing */
+ struct dma_resv_iter cursor;
struct dma_fence *fence;
ret = i915_sw_fence_await_reservation(&state->commit_ready,
@@ -11300,12 +11301,15 @@ intel_prepare_plane_fb(struct drm_plane *_plane,
if (ret < 0)
goto unpin_fb;
- fence = dma_resv_get_excl_unlocked(obj->base.resv);
- if (fence) {
+ rcu_read_lock();
+ dma_resv_for_each_fence_unlocked(obj->base.resv, &cursor, false,
+ fence) {
+ rcu_read_unlock();
add_rps_boost_after_vblank(new_plane_state->hw.crtc,
fence);
- dma_fence_put(fence);
+ rcu_read_lock();
}
+ rcu_read_unlock();
} else {
add_rps_boost_after_vblank(new_plane_state->hw.crtc,
new_plane_state->uapi.fence);
--
2.25.1
