diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.c | 25 |
1 files changed, 24 insertions, 1 deletions
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; } |