The DRM core atomic helper now supports asynchronous commits natively. The custom drm implementation isn't needed anymore, remove it.
Signed-off-by: Bibby Hsieh <[email protected]> --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 92 +++++--------------------- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 7 -- 2 files changed, 16 insertions(+), 83 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 6c68283b6124..97949dee2af0 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -36,84 +36,25 @@ #define DRIVER_MAJOR 1 #define DRIVER_MINOR 0 -static void mtk_atomic_schedule(struct mtk_drm_private *private, - struct drm_atomic_state *state) +static void mtk_drm_atomic_helper_commit_tail_rpm + (struct drm_atomic_state *old_state) { - private->commit.state = state; - schedule_work(&private->commit.work); -} - -static void mtk_atomic_complete(struct mtk_drm_private *private, - struct drm_atomic_state *state) -{ - struct drm_device *drm = private->drm; + struct drm_device *dev = old_state->dev; - drm_atomic_helper_wait_for_fences(drm, state, false); - - /* - * Mediatek drm supports runtime PM, so plane registers cannot be - * written when their crtc is disabled. - * - * The comment for drm_atomic_helper_commit states: - * For drivers supporting runtime PM the recommended sequence is - * - * drm_atomic_helper_commit_modeset_disables(dev, state); - * drm_atomic_helper_commit_modeset_enables(dev, state); - * drm_atomic_helper_commit_planes(dev, state, - * DRM_PLANE_COMMIT_ACTIVE_ONLY); - * - * See the kerneldoc entries for these three functions for more details. - */ - drm_atomic_helper_commit_modeset_disables(drm, state); - drm_atomic_helper_commit_modeset_enables(drm, state); - drm_atomic_helper_commit_planes(drm, state, + drm_atomic_helper_wait_for_fences(dev, old_state, false); + drm_atomic_helper_commit_modeset_disables(dev, old_state); + drm_atomic_helper_commit_modeset_enables(dev, old_state); + drm_atomic_helper_commit_planes(dev, old_state, DRM_PLANE_COMMIT_ACTIVE_ONLY); - - drm_atomic_helper_wait_for_vblanks(drm, state); - - drm_atomic_helper_cleanup_planes(drm, state); - drm_atomic_state_put(state); + drm_atomic_helper_fake_vblank(old_state); + drm_atomic_helper_commit_hw_done(old_state); + drm_atomic_helper_wait_for_vblanks(dev, old_state); + drm_atomic_helper_cleanup_planes(dev, old_state); } -static void mtk_atomic_work(struct work_struct *work) -{ - struct mtk_drm_private *private = container_of(work, - struct mtk_drm_private, commit.work); - - mtk_atomic_complete(private, private->commit.state); -} - -static int mtk_atomic_commit(struct drm_device *drm, - struct drm_atomic_state *state, - bool async) -{ - struct mtk_drm_private *private = drm->dev_private; - int ret; - - ret = drm_atomic_helper_prepare_planes(drm, state); - if (ret) - return ret; - - mutex_lock(&private->commit.lock); - flush_work(&private->commit.work); - - ret = drm_atomic_helper_swap_state(state, true); - if (ret) { - mutex_unlock(&private->commit.lock); - drm_atomic_helper_cleanup_planes(drm, state); - return ret; - } - - drm_atomic_state_get(state); - if (async) - mtk_atomic_schedule(private, state); - else - mtk_atomic_complete(private, state); - - mutex_unlock(&private->commit.lock); - - return 0; -} +static const struct drm_mode_config_helper_funcs mtk_drm_mode_config_helpers = { + .atomic_commit_tail = mtk_drm_atomic_helper_commit_tail_rpm, +}; struct mtk_atomic_state { struct drm_atomic_state base; @@ -191,7 +132,7 @@ static void mtk_drm_atomic_state_free(struct drm_atomic_state *state) static const struct drm_mode_config_funcs mtk_drm_mode_config_funcs = { .fb_create = mtk_drm_mode_fb_create, .atomic_check = drm_atomic_helper_check, - .atomic_commit = mtk_atomic_commit, + .atomic_commit = drm_atomic_helper_commit, .atomic_state_alloc = mtk_drm_atomic_state_alloc, .atomic_state_free = mtk_drm_atomic_state_free }; @@ -340,6 +281,7 @@ static int mtk_drm_kms_init(struct drm_device *drm) drm->mode_config.max_width = 4096; drm->mode_config.max_height = 4096; drm->mode_config.funcs = &mtk_drm_mode_config_funcs; + drm->mode_config.helper_private = &mtk_drm_mode_config_helpers; ret = component_bind_all(drm->dev, drm); if (ret) @@ -619,8 +561,6 @@ static int mtk_drm_probe(struct platform_device *pdev) if (!private) return -ENOMEM; - mutex_init(&private->commit.lock); - INIT_WORK(&private->commit.work, mtk_atomic_work); private->data = of_device_get_match_data(dev); mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index c37d835cf949..3c42383dedb0 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -46,13 +46,6 @@ struct mtk_drm_private { struct device_node *comp_node[DDP_COMPONENT_ID_MAX]; struct mtk_ddp_comp *ddp_comp[DDP_COMPONENT_ID_MAX]; const struct mtk_mmsys_driver_data *data; - - struct { - struct drm_atomic_state *state; - struct work_struct work; - struct mutex lock; - } commit; - struct drm_atomic_state *suspend_state; struct { -- 2.18.0 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
