diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 62 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 21 |
2 files changed, 36 insertions, 47 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 3e28f17c84fa..f88b6c5b83cd 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1044,10 +1044,10 @@ static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_ } #endif #if defined(CONFIG_DRM_AMD_DC_DCN) -static void event_mall_stutter(struct work_struct *work) +static void vblank_control_worker(struct work_struct *work) { - - struct vblank_workqueue *vblank_work = container_of(work, struct vblank_workqueue, mall_work); + struct vblank_control_work *vblank_work = + container_of(work, struct vblank_control_work, work); struct amdgpu_display_manager *dm = vblank_work->dm; mutex_lock(&dm->dc_lock); @@ -1062,22 +1062,9 @@ static void event_mall_stutter(struct work_struct *work) DRM_DEBUG_KMS("Allow idle optimizations (MALL): %d\n", dm->active_vblank_irq_count == 0); mutex_unlock(&dm->dc_lock); + kfree(vblank_work); } -static struct vblank_workqueue *vblank_create_workqueue(struct amdgpu_device *adev, struct dc *dc) -{ - struct vblank_workqueue *vblank_work; - - vblank_work = kzalloc(sizeof(*vblank_work), GFP_KERNEL); - if (ZERO_OR_NULL_PTR(vblank_work)) { - kfree(vblank_work); - return NULL; - } - - INIT_WORK(&vblank_work->mall_work, event_mall_stutter); - - return vblank_work; -} #endif static int amdgpu_dm_init(struct amdgpu_device *adev) { @@ -1220,12 +1207,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) #if defined(CONFIG_DRM_AMD_DC_DCN) if (adev->dm.dc->caps.max_links > 0) { - adev->dm.vblank_workqueue = vblank_create_workqueue(adev, adev->dm.dc); - - if (!adev->dm.vblank_workqueue) + adev->dm.vblank_control_workqueue = + create_singlethread_workqueue("dm_vblank_control_workqueue"); + if (!adev->dm.vblank_control_workqueue) DRM_ERROR("amdgpu: failed to initialize vblank_workqueue.\n"); - else - DRM_DEBUG_DRIVER("amdgpu: vblank_workqueue init done %p.\n", adev->dm.vblank_workqueue); } #endif @@ -1298,6 +1283,13 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev) { int i; +#if defined(CONFIG_DRM_AMD_DC_DCN) + if (adev->dm.vblank_control_workqueue) { + destroy_workqueue(adev->dm.vblank_control_workqueue); + adev->dm.vblank_control_workqueue = NULL; + } +#endif + for (i = 0; i < adev->dm.display_indexes_num; i++) { drm_encoder_cleanup(&adev->dm.mst_encoders[i].base); } @@ -1321,14 +1313,6 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev) dc_deinit_callbacks(adev->dm.dc); #endif -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (adev->dm.vblank_workqueue) { - adev->dm.vblank_workqueue->dm = NULL; - kfree(adev->dm.vblank_workqueue); - adev->dm.vblank_workqueue = NULL; - } -#endif - dc_dmub_srv_destroy(&adev->dm.dc->ctx->dmub_srv); if (dc_enable_dmub_notifications(adev->dm.dc)) { @@ -6000,7 +5984,7 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable) struct dm_crtc_state *acrtc_state = to_dm_crtc_state(crtc->state); #if defined(CONFIG_DRM_AMD_DC_DCN) struct amdgpu_display_manager *dm = &adev->dm; - unsigned long flags; + struct vblank_control_work *work; #endif int rc = 0; @@ -6025,12 +6009,16 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable) return 0; #if defined(CONFIG_DRM_AMD_DC_DCN) - spin_lock_irqsave(&dm->vblank_lock, flags); - dm->vblank_workqueue->dm = dm; - dm->vblank_workqueue->otg_inst = acrtc->otg_inst; - dm->vblank_workqueue->enable = enable; - spin_unlock_irqrestore(&dm->vblank_lock, flags); - schedule_work(&dm->vblank_workqueue->mall_work); + work = kzalloc(sizeof(*work), GFP_ATOMIC); + if (!work) + return -ENOMEM; + + INIT_WORK(&work->work, vblank_control_worker); + work->dm = dm; + work->acrtc = acrtc; + work->enable = enable; + + queue_work(dm->vblank_control_workqueue, &work->work); #endif return 0; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index ab1670b16b02..c6b8b835b08a 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -60,6 +60,7 @@ enum aux_return_code_type; /* Forward declarations */ struct amdgpu_device; +struct amdgpu_crtc; struct drm_device; struct dc; struct amdgpu_bo; @@ -86,16 +87,16 @@ struct dm_compressor_info { }; /** - * struct vblank_workqueue - Works to be executed in a separate thread during vblank - * @mall_work: work for mall stutter + * struct vblank_control_work - Work data for vblank control + * @work: Kernel work data for the work event * @dm: amdgpu display manager device - * @otg_inst: otg instance of which vblank is being set - * @enable: true if enable vblank + * @acrtc: amdgpu CRTC instance for which the event has occurred + * @enable: true if enabling vblank */ -struct vblank_workqueue { - struct work_struct mall_work; +struct vblank_control_work { + struct work_struct work; struct amdgpu_display_manager *dm; - int otg_inst; + struct amdgpu_crtc *acrtc; bool enable; }; @@ -380,11 +381,11 @@ struct amdgpu_display_manager { #if defined(CONFIG_DRM_AMD_DC_DCN) /** - * @vblank_workqueue: + * @vblank_control_workqueue: * - * amdgpu workqueue during vblank + * Deferred work for vblank control events. */ - struct vblank_workqueue *vblank_workqueue; + struct workqueue_struct *vblank_control_workqueue; #endif struct drm_atomic_state *cached_state; |