drm/i915: use new cursor in intel_prepare_plane_fb v2

Simplifying the code a bit.

v2: rebased

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211116102431.198905-5-christian.koenig@amd.com

diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index 0be8c00..cdc68fb 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
@@ -738,6 +738,7 @@ intel_prepare_plane_fb(struct drm_plane *_plane,
        i915_gem_object_wait_priority(obj, 0, &attr);
 
        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,
@@ -748,12 +749,12 @@ 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) {
+               dma_resv_iter_begin(&cursor, obj->base.resv, false);
+               dma_resv_for_each_fence_unlocked(&cursor, fence) {
                        add_rps_boost_after_vblank(new_plane_state->hw.crtc,
                                                   fence);
-                       dma_fence_put(fence);
                }
+               dma_resv_iter_end(&cursor);
        } else {
                add_rps_boost_after_vblank(new_plane_state->hw.crtc,
                                           new_plane_state->uapi.fence);