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Fri, 14 Jun 2019 13:37:11 -0700 (PDT) From: Daniel Vetter To: DRI Development Subject: [PATCH 44/59] drm/mediatek: Use drm_atomic_helper_wait_for_fences Date: Fri, 14 Jun 2019 22:36:00 +0200 Message-Id: <20190614203615.12639-45-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190614203615.12639-1-daniel.vetter@ffwll.ch> References: <20190614203615.12639-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190614_133714_041911_CED56781 X-CRM114-Status: GOOD ( 15.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Vetter , Intel Graphics Development , Matthias Brugger , linux-mediatek@lists.infradead.org, Philipp Zabel , CK Hu , Daniel Vetter , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org If we use the gem fb helper as the prepare_fb hook, plus the drm_prime.c import helpers now automatically setting obj->resv, we can use the shared helpers to wait for fences instead of rolling our own. Note that this relies on mtk setting drm_fb->obj, which is already done in mtk_drm_framebuffer_init(). Aside: Probably can use the default commit_tail with this again, but I didn't check for that. Signed-off-by: Daniel Vetter Cc: CK Hu Cc: Philipp Zabel Cc: Matthias Brugger Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mediatek@lists.infradead.org --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 12 +--------- drivers/gpu/drm/mediatek/mtk_drm_fb.c | 28 ------------------------ drivers/gpu/drm/mediatek/mtk_drm_fb.h | 1 - drivers/gpu/drm/mediatek/mtk_drm_plane.c | 2 ++ 4 files changed, 3 insertions(+), 40 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index dd8dab562500..2d5caf532431 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -38,22 +38,12 @@ static void mtk_atomic_schedule(struct mtk_drm_private *private, schedule_work(&private->commit.work); } -static void mtk_atomic_wait_for_fences(struct drm_atomic_state *state) -{ - struct drm_plane *plane; - struct drm_plane_state *new_plane_state; - int i; - - for_each_new_plane_in_state(state, plane, new_plane_state, i) - mtk_fb_wait(new_plane_state->fb); -} - static void mtk_atomic_complete(struct mtk_drm_private *private, struct drm_atomic_state *state) { struct drm_device *drm = private->drm; - mtk_atomic_wait_for_fences(state); + drm_atomic_helper_wait_for_fences(drm, state, false); /* * Mediatek drm supports runtime PM, so plane registers cannot be diff --git a/drivers/gpu/drm/mediatek/mtk_drm_fb.c b/drivers/gpu/drm/mediatek/mtk_drm_fb.c index 4c3ad7de2d3b..396ba497986d 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_fb.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_fb.c @@ -49,34 +49,6 @@ static struct drm_framebuffer *mtk_drm_framebuffer_init(struct drm_device *dev, return fb; } -/* - * Wait for any exclusive fence in fb's gem object's reservation object. - * - * Returns -ERESTARTSYS if interrupted, else 0. - */ -int mtk_fb_wait(struct drm_framebuffer *fb) -{ - struct drm_gem_object *gem; - struct reservation_object *resv; - long ret; - - if (!fb) - return 0; - - gem = fb->obj[0]; - if (!gem || !gem->dma_buf || !gem->dma_buf->resv) - return 0; - - resv = gem->dma_buf->resv; - ret = reservation_object_wait_timeout_rcu(resv, false, true, - MAX_SCHEDULE_TIMEOUT); - /* MAX_SCHEDULE_TIMEOUT on success, -ERESTARTSYS if interrupted */ - if (WARN_ON(ret < 0)) - return ret; - - return 0; -} - struct drm_framebuffer *mtk_drm_mode_fb_create(struct drm_device *dev, struct drm_file *file, const struct drm_mode_fb_cmd2 *cmd) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_fb.h b/drivers/gpu/drm/mediatek/mtk_drm_fb.h index 6b80c28e33cf..eb64d26001c6 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_fb.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_fb.h @@ -6,7 +6,6 @@ #ifndef MTK_DRM_FB_H #define MTK_DRM_FB_H -int mtk_fb_wait(struct drm_framebuffer *fb); struct drm_framebuffer *mtk_drm_mode_fb_create(struct drm_device *dev, struct drm_file *file, const struct drm_mode_fb_cmd2 *cmd); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c index f2ef83aed6f9..42cc9823eaaa 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c @@ -8,6 +8,7 @@ #include #include #include +#include #include "mtk_drm_crtc.h" #include "mtk_drm_ddp_comp.h" @@ -146,6 +147,7 @@ static void mtk_plane_atomic_disable(struct drm_plane *plane, } static const struct drm_plane_helper_funcs mtk_plane_helper_funcs = { + .prepare_fb = drm_gem_fb_prepare_fb, .atomic_check = mtk_plane_atomic_check, .atomic_update = mtk_plane_atomic_update, .atomic_disable = mtk_plane_atomic_disable, -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel