diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 164 |
1 files changed, 83 insertions, 81 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 7936e8d498dd..ad35a5d94053 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -339,10 +339,9 @@ static int vblank_ctrl_queue_work(struct msm_drm_private *priv, static int msm_drm_uninit(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); - struct drm_device *ddev = platform_get_drvdata(pdev); - struct msm_drm_private *priv = ddev->dev_private; + struct msm_drm_private *priv = platform_get_drvdata(pdev); + struct drm_device *ddev = priv->dev; struct msm_kms *kms = priv->kms; - struct msm_mdss *mdss = priv->mdss; int i; /* @@ -402,14 +401,10 @@ static int msm_drm_uninit(struct device *dev) component_unbind_all(dev, ddev); - if (mdss && mdss->funcs) - mdss->funcs->destroy(ddev); - ddev->dev_private = NULL; drm_dev_put(ddev); destroy_workqueue(priv->wq); - kfree(priv); return 0; } @@ -512,8 +507,8 @@ static int msm_init_vram(struct drm_device *dev) static int msm_drm_init(struct device *dev, const struct drm_driver *drv) { struct platform_device *pdev = to_platform_device(dev); + struct msm_drm_private *priv = dev_get_drvdata(dev); struct drm_device *ddev; - struct msm_drm_private *priv; struct msm_kms *kms; struct msm_mdss *mdss; int ret, i; @@ -523,32 +518,9 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv) DRM_DEV_ERROR(dev, "failed to allocate drm_device\n"); return PTR_ERR(ddev); } - - platform_set_drvdata(pdev, ddev); - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) { - ret = -ENOMEM; - goto err_put_drm_dev; - } - ddev->dev_private = priv; priv->dev = ddev; - switch (get_mdp_ver(pdev)) { - case KMS_MDP5: - ret = mdp5_mdss_init(ddev); - break; - case KMS_DPU: - ret = dpu_mdss_init(ddev); - break; - default: - ret = 0; - break; - } - if (ret) - goto err_free_priv; - mdss = priv->mdss; priv->wq = alloc_ordered_workqueue("msm", 0); @@ -571,12 +543,12 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv) ret = msm_init_vram(ddev); if (ret) - goto err_destroy_mdss; + return ret; /* Bind all our sub-components: */ ret = component_bind_all(dev, ddev); if (ret) - goto err_destroy_mdss; + return ret; dma_set_max_seg_size(dev, UINT_MAX); @@ -682,15 +654,6 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv) err_msm_uninit: msm_drm_uninit(dev); return ret; -err_destroy_mdss: - if (mdss && mdss->funcs) - mdss->funcs->destroy(ddev); -err_free_priv: - kfree(priv); -err_put_drm_dev: - drm_dev_put(ddev); - platform_set_drvdata(pdev, NULL); - return ret; } /* @@ -752,14 +715,8 @@ static void context_close(struct msm_file_private *ctx) static void msm_postclose(struct drm_device *dev, struct drm_file *file) { - struct msm_drm_private *priv = dev->dev_private; struct msm_file_private *ctx = file->driver_priv; - mutex_lock(&dev->struct_mutex); - if (ctx == priv->lastctx) - priv->lastctx = NULL; - mutex_unlock(&dev->struct_mutex); - context_close(ctx); } @@ -967,29 +924,18 @@ static int msm_ioctl_gem_info(struct drm_device *dev, void *data, return ret; } -static int msm_ioctl_wait_fence(struct drm_device *dev, void *data, - struct drm_file *file) +static int wait_fence(struct msm_gpu_submitqueue *queue, uint32_t fence_id, + ktime_t timeout) { - struct msm_drm_private *priv = dev->dev_private; - struct drm_msm_wait_fence *args = data; - ktime_t timeout = to_ktime(args->timeout); - struct msm_gpu_submitqueue *queue; - struct msm_gpu *gpu = priv->gpu; struct dma_fence *fence; int ret; - if (args->pad) { - DRM_ERROR("invalid pad: %08x\n", args->pad); + if (fence_after(fence_id, queue->last_fence)) { + DRM_ERROR_RATELIMITED("waiting on invalid fence: %u (of %u)\n", + fence_id, queue->last_fence); return -EINVAL; } - if (!gpu) - return 0; - - queue = msm_submitqueue_get(file->driver_priv, args->queueid); - if (!queue) - return -ENOENT; - /* * Map submitqueue scoped "seqno" (which is actually an idr key) * back to underlying dma-fence @@ -1001,7 +947,7 @@ static int msm_ioctl_wait_fence(struct drm_device *dev, void *data, ret = mutex_lock_interruptible(&queue->lock); if (ret) return ret; - fence = idr_find(&queue->fence_idr, args->fence); + fence = idr_find(&queue->fence_idr, fence_id); if (fence) fence = dma_fence_get_rcu(fence); mutex_unlock(&queue->lock); @@ -1017,6 +963,32 @@ static int msm_ioctl_wait_fence(struct drm_device *dev, void *data, } dma_fence_put(fence); + + return ret; +} + +static int msm_ioctl_wait_fence(struct drm_device *dev, void *data, + struct drm_file *file) +{ + struct msm_drm_private *priv = dev->dev_private; + struct drm_msm_wait_fence *args = data; + struct msm_gpu_submitqueue *queue; + int ret; + + if (args->pad) { + DRM_ERROR("invalid pad: %08x\n", args->pad); + return -EINVAL; + } + + if (!priv->gpu) + return 0; + + queue = msm_submitqueue_get(file->driver_priv, args->queueid); + if (!queue) + return -ENOENT; + + ret = wait_fence(queue, args->fence, to_ktime(args->timeout)); + msm_submitqueue_put(queue); return ret; @@ -1127,8 +1099,7 @@ static const struct drm_driver msm_driver = { static int __maybe_unused msm_runtime_suspend(struct device *dev) { - struct drm_device *ddev = dev_get_drvdata(dev); - struct msm_drm_private *priv = ddev->dev_private; + struct msm_drm_private *priv = dev_get_drvdata(dev); struct msm_mdss *mdss = priv->mdss; DBG(""); @@ -1141,8 +1112,7 @@ static int __maybe_unused msm_runtime_suspend(struct device *dev) static int __maybe_unused msm_runtime_resume(struct device *dev) { - struct drm_device *ddev = dev_get_drvdata(dev); - struct msm_drm_private *priv = ddev->dev_private; + struct msm_drm_private *priv = dev_get_drvdata(dev); struct msm_mdss *mdss = priv->mdss; DBG(""); @@ -1172,8 +1142,8 @@ static int __maybe_unused msm_pm_resume(struct device *dev) static int __maybe_unused msm_pm_prepare(struct device *dev) { - struct drm_device *ddev = dev_get_drvdata(dev); - struct msm_drm_private *priv = ddev ? ddev->dev_private : NULL; + struct msm_drm_private *priv = dev_get_drvdata(dev); + struct drm_device *ddev = priv ? priv->dev : NULL; if (!priv || !priv->kms) return 0; @@ -1183,8 +1153,8 @@ static int __maybe_unused msm_pm_prepare(struct device *dev) static void __maybe_unused msm_pm_complete(struct device *dev) { - struct drm_device *ddev = dev_get_drvdata(dev); - struct msm_drm_private *priv = ddev ? ddev->dev_private : NULL; + struct msm_drm_private *priv = dev_get_drvdata(dev); + struct drm_device *ddev = priv ? priv->dev : NULL; if (!priv || !priv->kms) return; @@ -1277,9 +1247,10 @@ static int add_components_mdp(struct device *mdp_dev, return 0; } -static int compare_name_mdp(struct device *dev, void *data) +static int find_mdp_node(struct device *dev, void *data) { - return (strstr(dev_name(dev), "mdp") != NULL); + return of_match_node(dpu_dt_match, dev->of_node) || + of_match_node(mdp5_dt_match, dev->of_node); } static int add_display_components(struct platform_device *pdev, @@ -1304,7 +1275,7 @@ static int add_display_components(struct platform_device *pdev, return ret; } - mdp_dev = device_find_child(dev, NULL, compare_name_mdp); + mdp_dev = device_find_child(dev, NULL, find_mdp_node); if (!mdp_dev) { DRM_DEV_ERROR(dev, "failed to find MDSS MDP node\n"); of_platform_depopulate(dev); @@ -1382,12 +1353,35 @@ static const struct component_master_ops msm_drm_ops = { static int msm_pdev_probe(struct platform_device *pdev) { struct component_match *match = NULL; + struct msm_drm_private *priv; int ret; + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + platform_set_drvdata(pdev, priv); + + switch (get_mdp_ver(pdev)) { + case KMS_MDP5: + ret = mdp5_mdss_init(pdev); + break; + case KMS_DPU: + ret = dpu_mdss_init(pdev); + break; + default: + ret = 0; + break; + } + if (ret) { + platform_set_drvdata(pdev, NULL); + return ret; + } + if (get_mdp_ver(pdev)) { ret = add_display_components(pdev, &match); if (ret) - return ret; + goto fail; } ret = add_gpu_components(&pdev->dev, &match); @@ -1409,21 +1403,31 @@ static int msm_pdev_probe(struct platform_device *pdev) fail: of_platform_depopulate(&pdev->dev); + + if (priv->mdss && priv->mdss->funcs) + priv->mdss->funcs->destroy(priv->mdss); + return ret; } static int msm_pdev_remove(struct platform_device *pdev) { + struct msm_drm_private *priv = platform_get_drvdata(pdev); + struct msm_mdss *mdss = priv->mdss; + component_master_del(&pdev->dev, &msm_drm_ops); of_platform_depopulate(&pdev->dev); + if (mdss && mdss->funcs) + mdss->funcs->destroy(mdss); + return 0; } static void msm_pdev_shutdown(struct platform_device *pdev) { - struct drm_device *drm = platform_get_drvdata(pdev); - struct msm_drm_private *priv = drm ? drm->dev_private : NULL; + struct msm_drm_private *priv = platform_get_drvdata(pdev); + struct drm_device *drm = priv ? priv->dev : NULL; if (!priv || !priv->kms) return; @@ -1463,7 +1467,6 @@ static int __init msm_drm_register(void) msm_mdp_register(); msm_dpu_register(); msm_dsi_register(); - msm_edp_register(); msm_hdmi_register(); msm_dp_register(); adreno_register(); @@ -1477,7 +1480,6 @@ static void __exit msm_drm_unregister(void) msm_dp_unregister(); msm_hdmi_unregister(); adreno_unregister(); - msm_edp_unregister(); msm_dsi_unregister(); msm_mdp_unregister(); msm_dpu_unregister(); |