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[91.14.161.181]) by smtp.gmail.com with ESMTPSA id u25sm9902248wmm.5.2021.09.24.08.31.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Sep 2021 08:31:39 -0700 (PDT) From: "=?UTF-8?q?Christian=20K=C3=B6nig?=" X-Google-Original-From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, intel-gfx@lists.freedesktop.org Cc: daniel@ffwll.ch, tvrtko.ursulin@linux.intel.com Subject: [PATCH 23/27] drm: use new iterator in drm_gem_plane_helper_prepare_fb Date: Fri, 24 Sep 2021 17:31:09 +0200 Message-Id: <20210924153113.2159-23-christian.koenig@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210924153113.2159-1-christian.koenig@amd.com> References: <20210924153113.2159-1-christian.koenig@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Makes the handling a bit more complex, but avoids the use of dma_resv_get_excl_unlocked(). Signed-off-by: Christian König --- drivers/gpu/drm/drm_gem_atomic_helper.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_gem_atomic_helper.c b/drivers/gpu/drm/drm_gem_atomic_helper.c index e570398abd78..21ed930042b8 100644 --- a/drivers/gpu/drm/drm_gem_atomic_helper.c +++ b/drivers/gpu/drm/drm_gem_atomic_helper.c @@ -143,6 +143,7 @@ */ int drm_gem_plane_helper_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) { + struct dma_resv_iter cursor; struct drm_gem_object *obj; struct dma_fence *fence; @@ -150,9 +151,17 @@ int drm_gem_plane_helper_prepare_fb(struct drm_plane *plane, struct drm_plane_st return 0; obj = drm_gem_fb_get_obj(state->fb, 0); - fence = dma_resv_get_excl_unlocked(obj->resv); - drm_atomic_set_fence_for_plane(state, fence); + dma_resv_iter_begin(&cursor, obj->resv, false); + dma_resv_for_each_fence_unlocked(&cursor, fence) { + dma_fence_get(fence); + dma_resv_iter_end(&cursor); + /* TODO: We only use the first write fence here */ + drm_atomic_set_fence_for_plane(state, fence); + return 0; + } + dma_resv_iter_end(&cursor); + drm_atomic_set_fence_for_plane(state, NULL); return 0; } EXPORT_SYMBOL_GPL(drm_gem_plane_helper_prepare_fb); -- 2.25.1