From 616b549b15f0e18f37641e7674b0c4658fedd424 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Mon, 25 Nov 2019 10:43:56 +0100 Subject: [PATCH] drm/vc4: Use dma_resv locking wrappers I'll add more fancy logic to them soon, so everyone really has to use them. Plus they already provide some nice additional debug infrastructure on top of direct ww_mutex usage for the fences tracked by dma_resv. Reviewed-by: Eric Anholt Cc: Eric Anholt Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20191125094356.161941-5-daniel.vetter@ffwll.ch --- drivers/gpu/drm/vc4/vc4_gem.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c index 7a06cb6..e1cfc3c 100644 --- a/drivers/gpu/drm/vc4/vc4_gem.c +++ b/drivers/gpu/drm/vc4/vc4_gem.c @@ -568,7 +568,7 @@ vc4_unlock_bo_reservations(struct drm_device *dev, for (i = 0; i < exec->bo_count; i++) { struct drm_gem_object *bo = &exec->bo[i]->base; - ww_mutex_unlock(&bo->resv->lock); + dma_resv_unlock(bo->resv); } ww_acquire_fini(acquire_ctx); @@ -595,8 +595,7 @@ vc4_lock_bo_reservations(struct drm_device *dev, retry: if (contended_lock != -1) { bo = &exec->bo[contended_lock]->base; - ret = ww_mutex_lock_slow_interruptible(&bo->resv->lock, - acquire_ctx); + ret = dma_resv_lock_slow_interruptible(bo->resv, acquire_ctx); if (ret) { ww_acquire_done(acquire_ctx); return ret; @@ -609,19 +608,19 @@ retry: bo = &exec->bo[i]->base; - ret = ww_mutex_lock_interruptible(&bo->resv->lock, acquire_ctx); + ret = dma_resv_lock_interruptible(bo->resv, acquire_ctx); if (ret) { int j; for (j = 0; j < i; j++) { bo = &exec->bo[j]->base; - ww_mutex_unlock(&bo->resv->lock); + dma_resv_unlock(bo->resv); } if (contended_lock != -1 && contended_lock >= i) { bo = &exec->bo[contended_lock]->base; - ww_mutex_unlock(&bo->resv->lock); + dma_resv_unlock(bo->resv); } if (ret == -EDEADLK) { -- 2.7.4