diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index aa4509766d64..535a0263ceeb 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -7,6 +7,7 @@ #include <linux/dma-mapping.h> #include <linux/kthread.h> +#include <linux/sched/mm.h> #include <linux/uaccess.h> #include <uapi/linux/sched/types.h> @@ -120,8 +121,8 @@ struct clk *msm_clk_get(struct platform_device *pdev, const char *name) return clk; } -void __iomem *_msm_ioremap(struct platform_device *pdev, const char *name, - const char *dbgname, bool quiet) +static void __iomem *_msm_ioremap(struct platform_device *pdev, const char *name, + const char *dbgname, bool quiet) { struct resource *res; unsigned long size; @@ -180,6 +181,14 @@ u32 msm_readl(const void __iomem *addr) return val; } +void msm_rmw(void __iomem *addr, u32 mask, u32 or) +{ + u32 val = msm_readl(addr); + + val &= ~mask; + msm_writel(val | or, addr); +} + struct msm_vblank_work { struct work_struct work; int crtc_id; @@ -393,7 +402,7 @@ static int msm_init_vram(struct drm_device *dev) return ret; } -static int msm_drm_init(struct device *dev, struct drm_driver *drv) +static int msm_drm_init(struct device *dev, const struct drm_driver *drv) { struct platform_device *pdev = to_platform_device(dev); struct drm_device *ddev; @@ -437,10 +446,14 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv) priv->wq = alloc_ordered_workqueue("msm", 0); - INIT_WORK(&priv->free_work, msm_gem_free_work); - init_llist_head(&priv->free_list); + INIT_LIST_HEAD(&priv->inactive_willneed); + INIT_LIST_HEAD(&priv->inactive_dontneed); + mutex_init(&priv->mm_lock); - INIT_LIST_HEAD(&priv->inactive_list); + /* Teach lockdep about lock ordering wrt. shrinker: */ + fs_reclaim_acquire(GFP_KERNEL); + might_lock(&priv->mm_lock); + fs_reclaim_release(GFP_KERNEL); drm_mode_config_init(ddev); @@ -908,14 +921,9 @@ static int msm_ioctl_gem_madvise(struct drm_device *dev, void *data, return -EINVAL; } - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - obj = drm_gem_object_lookup(file, args->handle); if (!obj) { - ret = -ENOENT; - goto unlock; + return -ENOENT; } ret = msm_gem_madvise(obj, args->madv); @@ -924,10 +932,8 @@ static int msm_ioctl_gem_madvise(struct drm_device *dev, void *data, ret = 0; } - drm_gem_object_put_locked(obj); + drm_gem_object_put(obj); -unlock: - mutex_unlock(&dev->struct_mutex); return ret; } @@ -984,7 +990,7 @@ static const struct file_operations fops = { .mmap = msm_gem_mmap, }; -static struct drm_driver msm_driver = { +static const struct drm_driver msm_driver = { .driver_features = DRIVER_GEM | DRIVER_RENDER | DRIVER_ATOMIC | |