diff options
Diffstat (limited to 'drivers/gpu/drm/exynos')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_crtc.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.c | 25 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimc.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_g2d.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gem.c | 76 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gem.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gsc.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_ipp.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_ipp.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_mixer.c | 6 |
12 files changed, 58 insertions, 79 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index ebc01503d50..6f3400f3978 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -36,9 +36,9 @@ enum exynos_crtc_mode { * @pipe: a crtc index created at load() with a new crtc object creation * and the crtc object would be set to private->crtc array * to get a crtc object corresponding to this pipe from private->crtc - * array when irq interrupt occured. the reason of using this pipe is that + * array when irq interrupt occurred. the reason of using this pipe is that * drm framework doesn't support multiple irq yet. - * we can refer to the crtc to current hardware interrupt occured through + * we can refer to the crtc to current hardware interrupt occurred through * this pipe value. * @dpms: store the crtc dpms value * @mode: store the crtc mode value diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 22b8f5eced8..9d096a0c5f8 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -14,6 +14,8 @@ #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> +#include <linux/anon_inodes.h> + #include <drm/exynos_drm.h> #include "exynos_drm_drv.h" @@ -119,6 +121,8 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) drm_vblank_offdelay = VBLANK_OFF_DELAY; + platform_set_drvdata(dev->platformdev, dev); + return 0; err_drm_device: @@ -150,9 +154,14 @@ static int exynos_drm_unload(struct drm_device *dev) return 0; } +static const struct file_operations exynos_drm_gem_fops = { + .mmap = exynos_drm_gem_mmap_buffer, +}; + static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) { struct drm_exynos_file_private *file_priv; + struct file *anon_filp; int ret; file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL); @@ -167,6 +176,16 @@ static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) file->driver_priv = NULL; } + anon_filp = anon_inode_getfile("exynos_gem", &exynos_drm_gem_fops, + NULL, 0); + if (IS_ERR(anon_filp)) { + kfree(file_priv); + return PTR_ERR(anon_filp); + } + + anon_filp->f_mode = FMODE_READ | FMODE_WRITE; + file_priv->anon_filp = anon_filp; + return ret; } @@ -179,6 +198,7 @@ static void exynos_drm_preclose(struct drm_device *dev, static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file) { struct exynos_drm_private *private = dev->dev_private; + struct drm_exynos_file_private *file_priv; struct drm_pending_vblank_event *v, *vt; struct drm_pending_event *e, *et; unsigned long flags; @@ -204,6 +224,9 @@ static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file) } spin_unlock_irqrestore(&dev->event_lock, flags); + file_priv = file->driver_priv; + if (file_priv->anon_filp) + fput(file_priv->anon_filp); kfree(file->driver_priv); file->driver_priv = NULL; @@ -305,7 +328,7 @@ static int exynos_drm_platform_probe(struct platform_device *pdev) static int exynos_drm_platform_remove(struct platform_device *pdev) { - drm_platform_exit(&exynos_drm_driver, pdev); + drm_put_dev(platform_get_drvdata(pdev)); return 0; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index eaa19668bf0..0eaf5a27e12 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -226,6 +226,7 @@ struct exynos_drm_ipp_private { struct drm_exynos_file_private { struct exynos_drm_g2d_private *g2d_priv; struct exynos_drm_ipp_private *ipp_priv; + struct file *anon_filp; }; /* diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 8adfc8f1e08..30d76b2ff9c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -345,7 +345,7 @@ static bool fimc_check_ovf(struct fimc_context *ctx) fimc_write(cfg, EXYNOS_CIWDOFST); - dev_err(ippdrv->dev, "occured overflow at %d, status 0x%x.\n", + dev_err(ippdrv->dev, "occurred overflow at %d, status 0x%x.\n", ctx->id, status); return true; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index a61878bf5dc..a20440ce32e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -347,7 +347,7 @@ static void fimd_wait_for_vblank(struct device *dev) */ if (!wait_event_timeout(ctx->wait_vsync_queue, !atomic_read(&ctx->wait_vsync_event), - DRM_HZ/20)) + HZ/20)) DRM_DEBUG_KMS("vblank wait timed out.\n"); } @@ -706,7 +706,7 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id) /* set wait vsync event to zero and wake up queue. */ if (atomic_read(&ctx->wait_vsync_event)) { atomic_set(&ctx->wait_vsync_event, 0); - DRM_WAKEUP(&ctx->wait_vsync_queue); + wake_up(&ctx->wait_vsync_queue); } out: return IRQ_HANDLED; @@ -954,7 +954,7 @@ static int fimd_probe(struct platform_device *pdev) } ctx->driver_data = drm_fimd_get_driver_data(pdev); - DRM_INIT_WAITQUEUE(&ctx->wait_vsync_queue); + init_waitqueue_head(&ctx->wait_vsync_queue); atomic_set(&ctx->wait_vsync_event, 0); subdrv = &ctx->subdrv; diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 7bccedca487..380aec28840 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -1126,7 +1126,7 @@ int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, * G2D interrupt event once current command list execution is * finished. * Otherwise only ACF bit should be set to INTEN register so - * that one interrupt is occured after all command lists + * that one interrupt is occurred after all command lists * have been completed. */ if (node->event) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 1ade191d84f..42d2904d88c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -338,46 +338,22 @@ int exynos_drm_gem_map_offset_ioctl(struct drm_device *dev, void *data, &args->offset); } -static struct drm_file *exynos_drm_find_drm_file(struct drm_device *drm_dev, - struct file *filp) -{ - struct drm_file *file_priv; - - /* find current process's drm_file from filelist. */ - list_for_each_entry(file_priv, &drm_dev->filelist, lhead) - if (file_priv->filp == filp) - return file_priv; - - WARN_ON(1); - - return ERR_PTR(-EFAULT); -} - -static int exynos_drm_gem_mmap_buffer(struct file *filp, +int exynos_drm_gem_mmap_buffer(struct file *filp, struct vm_area_struct *vma) { struct drm_gem_object *obj = filp->private_data; struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj); struct drm_device *drm_dev = obj->dev; struct exynos_drm_gem_buf *buffer; - struct drm_file *file_priv; unsigned long vm_size; int ret; + WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex)); + vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; vma->vm_private_data = obj; vma->vm_ops = drm_dev->driver->gem_vm_ops; - /* restore it to driver's fops. */ - filp->f_op = fops_get(drm_dev->driver->fops); - - file_priv = exynos_drm_find_drm_file(drm_dev, filp); - if (IS_ERR(file_priv)) - return PTR_ERR(file_priv); - - /* restore it to drm_file. */ - filp->private_data = file_priv; - update_vm_cache_attr(exynos_gem_obj, vma); vm_size = vma->vm_end - vma->vm_start; @@ -411,15 +387,13 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp, return 0; } -static const struct file_operations exynos_drm_gem_fops = { - .mmap = exynos_drm_gem_mmap_buffer, -}; - int exynos_drm_gem_mmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { + struct drm_exynos_file_private *exynos_file_priv; struct drm_exynos_gem_mmap *args = data; struct drm_gem_object *obj; + struct file *anon_filp; unsigned long addr; if (!(dev->driver->driver_features & DRIVER_GEM)) { @@ -427,47 +401,25 @@ int exynos_drm_gem_mmap_ioctl(struct drm_device *dev, void *data, return -ENODEV; } + mutex_lock(&dev->struct_mutex); + obj = drm_gem_object_lookup(dev, file_priv, args->handle); if (!obj) { DRM_ERROR("failed to lookup gem object.\n"); + mutex_unlock(&dev->struct_mutex); return -EINVAL; } - /* - * We have to use gem object and its fops for specific mmaper, - * but vm_mmap() can deliver only filp. So we have to change - * filp->f_op and filp->private_data temporarily, then restore - * again. So it is important to keep lock until restoration the - * settings to prevent others from misuse of filp->f_op or - * filp->private_data. - */ - mutex_lock(&dev->struct_mutex); - - /* - * Set specific mmper's fops. And it will be restored by - * exynos_drm_gem_mmap_buffer to dev->driver->fops. - * This is used to call specific mapper temporarily. - */ - file_priv->filp->f_op = &exynos_drm_gem_fops; - - /* - * Set gem object to private_data so that specific mmaper - * can get the gem object. And it will be restored by - * exynos_drm_gem_mmap_buffer to drm_file. - */ - file_priv->filp->private_data = obj; + exynos_file_priv = file_priv->driver_priv; + anon_filp = exynos_file_priv->anon_filp; + anon_filp->private_data = obj; - addr = vm_mmap(file_priv->filp, 0, args->size, - PROT_READ | PROT_WRITE, MAP_SHARED, 0); + addr = vm_mmap(anon_filp, 0, args->size, PROT_READ | PROT_WRITE, + MAP_SHARED, 0); drm_gem_object_unreference(obj); if (IS_ERR_VALUE(addr)) { - /* check filp->f_op, filp->private_data are restored */ - if (file_priv->filp->f_op == &exynos_drm_gem_fops) { - file_priv->filp->f_op = fops_get(dev->driver->fops); - file_priv->filp->private_data = file_priv; - } mutex_unlock(&dev->struct_mutex); return (int)addr; } @@ -652,7 +604,7 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv, int ret; /* - * alocate memory to be used for framebuffer. + * allocate memory to be used for framebuffer. * - this callback would be called by user application * with DRM_IOCTL_MODE_CREATE_DUMB command. */ diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index 702ec3abe85..1592c0ba7de 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -60,7 +60,7 @@ struct exynos_drm_gem_buf { * @vma: a pointer to vm_area. * @flags: indicate memory type to allocated buffer and cache attruibute. * - * P.S. this object would be transfered to user as kms_bo.handle so + * P.S. this object would be transferred to user as kms_bo.handle so * user can access the buffer through kms_bo.handle. */ struct exynos_drm_gem_obj { @@ -122,6 +122,9 @@ int exynos_drm_gem_map_offset_ioctl(struct drm_device *dev, void *data, int exynos_drm_gem_mmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +int exynos_drm_gem_mmap_buffer(struct file *filp, + struct vm_area_struct *vma); + /* map user space allocated by malloc to pages. */ int exynos_drm_gem_userptr_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index cd6aebd53bd..fa75059a610 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1301,13 +1301,13 @@ static irqreturn_t gsc_irq_handler(int irq, void *dev_id) status = gsc_read(GSC_IRQ); if (status & GSC_IRQ_STATUS_OR_IRQ) { - dev_err(ippdrv->dev, "occured overflow at %d, status 0x%x.\n", + dev_err(ippdrv->dev, "occurred overflow at %d, status 0x%x.\n", ctx->id, status); return IRQ_NONE; } if (status & GSC_IRQ_STATUS_OR_FRM_DONE) { - dev_dbg(ippdrv->dev, "occured frame done at %d, status 0x%x.\n", + dev_dbg(ippdrv->dev, "occurred frame done at %d, status 0x%x.\n", ctx->id, status); buf_id[EXYNOS_DRM_OPS_SRC] = gsc_get_src_buf_index(ctx); diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index 824e0705c8d..d519a4e5fe4 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -335,7 +335,7 @@ int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data, } else { /* * Getting ippdrv capability by ipp_id. - * some deivce not supported wb, output interface. + * some device not supported wb, output interface. * so, user application detect correct ipp driver * using this ioctl. */ diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.h b/drivers/gpu/drm/exynos/exynos_drm_ipp.h index 4cadbea7dbd..ab1634befc0 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.h +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.h @@ -48,7 +48,7 @@ struct drm_exynos_ipp_cmd_work { /* * A structure of command node. * - * @priv: IPP private infomation. + * @priv: IPP private information. * @list: list head to command queue information. * @event_list: list head of event. * @mem_list: list head to source,destination memory queue information. @@ -92,7 +92,7 @@ struct drm_exynos_ipp_buf_info { }; /* - * A structure of wb setting infomation. + * A structure of wb setting information. * * @enable: enable flag for wb. * @refresh: HZ of the refresh rate. diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 63bc5f92fbb..2dfa48c76f5 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -868,7 +868,7 @@ static void mixer_wait_for_vblank(void *ctx) */ if (!wait_event_timeout(mixer_ctx->wait_vsync_queue, !atomic_read(&mixer_ctx->wait_vsync_event), - DRM_HZ/20)) + HZ/20)) DRM_DEBUG_KMS("vblank wait timed out.\n"); } @@ -1019,7 +1019,7 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) /* set wait vsync event to zero and wake up queue. */ if (atomic_read(&ctx->wait_vsync_event)) { atomic_set(&ctx->wait_vsync_event, 0); - DRM_WAKEUP(&ctx->wait_vsync_queue); + wake_up(&ctx->wait_vsync_queue); } } @@ -1209,7 +1209,7 @@ static int mixer_probe(struct platform_device *pdev) drm_hdmi_ctx->ctx = (void *)ctx; ctx->vp_enabled = drv->is_vp_enabled; ctx->mxr_ver = drv->version; - DRM_INIT_WAITQUEUE(&ctx->wait_vsync_queue); + init_waitqueue_head(&ctx->wait_vsync_queue); atomic_set(&ctx->wait_vsync_event, 0); platform_set_drvdata(pdev, drm_hdmi_ctx); |