From: Daniel Vetter Date: Tue, 21 Jun 2016 08:54:20 +0000 (+0200) Subject: drm: Extract drm_is_current_master X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b3ac9f2591061e4470834028f563ef1fd86098cf;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm: Extract drm_is_current_master Just rolling out a bit of abstraction to be able to clean up the master logic in the next step. Cc: Chris Wilson Cc: Thomas Hellstrom Reviewed-by: Chris Wilson Reviewed-by: Emil Velikov Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index 2794a4f3a105..dc33387519cb 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -183,7 +183,7 @@ int drm_setmaster_ioctl(struct drm_device *dev, void *data, int ret = 0; mutex_lock(&dev->master_mutex); - if (file_priv->is_master) + if (drm_is_current_master(file_priv)) goto out_unlock; if (dev->master) { @@ -222,7 +222,7 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data, int ret = -EINVAL; mutex_lock(&dev->master_mutex); - if (!file_priv->is_master) + if (!drm_is_current_master(file_priv)) goto out_unlock; if (!dev->master) @@ -261,7 +261,7 @@ void drm_master_release(struct drm_file *file_priv) if (file_priv->magic) idr_remove(&file_priv->master->magic_map, file_priv->magic); - if (!file_priv->is_master) + if (!drm_is_current_master(file_priv)) goto out; if (!drm_core_check_feature(dev, DRIVER_MODESET)) { @@ -289,6 +289,12 @@ out: mutex_unlock(&dev->master_mutex); } +bool drm_is_current_master(struct drm_file *fpriv) +{ + return fpriv->is_master; +} +EXPORT_SYMBOL(drm_is_current_master); + struct drm_master *drm_master_get(struct drm_master *master) { kref_get(&master->refcount); diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 481f04696804..e9cae0b7d7cd 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -3643,7 +3643,7 @@ int drm_mode_getfb(struct drm_device *dev, r->bpp = fb->bits_per_pixel; r->pitch = fb->pitches[0]; if (fb->funcs->create_handle) { - if (file_priv->is_master || capable(CAP_SYS_ADMIN) || + if (drm_is_current_master(file_priv) || capable(CAP_SYS_ADMIN) || drm_is_control_client(file_priv)) { ret = fb->funcs->create_handle(fb, file_priv, &r->handle); diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c index d6cfd5340d52..9ae353f4dd06 100644 --- a/drivers/gpu/drm/drm_info.c +++ b/drivers/gpu/drm/drm_info.c @@ -102,7 +102,7 @@ int drm_clients_info(struct seq_file *m, void *data) task ? task->comm : "", pid_vnr(priv->pid), priv->minor->index, - priv->is_master ? 'y' : 'n', + drm_is_current_master(priv) ? 'y' : 'n', priv->authenticated ? 'y' : 'n', from_kuid_munged(seq_user_ns(m), priv->uid), priv->magic); diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index ffd6a2795230..827d221d69ce 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -481,7 +481,8 @@ int drm_ioctl_permit(u32 flags, struct drm_file *file_priv) return -EACCES; /* MASTER is only for master or control clients */ - if (unlikely((flags & DRM_MASTER) && !file_priv->is_master && + if (unlikely((flags & DRM_MASTER) && + !drm_is_current_master(file_priv) && !drm_is_control_client(file_priv))) return -EACCES; diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c index ae0a4d39deec..48ac0ebbd663 100644 --- a/drivers/gpu/drm/drm_lock.c +++ b/drivers/gpu/drm/drm_lock.c @@ -219,7 +219,7 @@ int drm_legacy_lock(struct drm_device *dev, void *data, /* don't set the block all signals on the master process for now * really probably not the correct answer but lets us debug xkb * xserver for now */ - if (!file_priv->is_master) { + if (!drm_is_current_master(file_priv)) { dev->sigdata.context = lock->context; dev->sigdata.lock = master->lock.hw_lock; } diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 8097698b9622..7941f1fe9cd2 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -1446,7 +1446,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, dispatch_flags = 0; if (args->flags & I915_EXEC_SECURE) { - if (!file->is_master || !capable(CAP_SYS_ADMIN)) + if (!drm_is_current_master(file) || !capable(CAP_SYS_ADMIN)) return -EPERM; dispatch_flags |= I915_DISPATCH_SECURE; @@ -1553,7 +1553,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, batch_obj, args->batch_start_offset, args->batch_len, - file->is_master); + drm_is_current_master(file)); if (IS_ERR(parsed_batch_obj)) { ret = PTR_ERR(parsed_batch_obj); goto err; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 35eedc9d44fa..60646644bef3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1049,7 +1049,7 @@ static struct vmw_master *vmw_master_check(struct drm_device *dev, if (unlikely(ret != 0)) return ERR_PTR(-ERESTARTSYS); - if (file_priv->is_master) { + if (drm_is_current_master(file_priv)) { mutex_unlock(&dev->master_mutex); return NULL; } diff --git a/include/drm/drmP.h b/include/drm/drmP.h index edbf32e300cb..8d976ff5eecc 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1014,14 +1014,15 @@ static inline wait_queue_head_t *drm_crtc_vblank_waitqueue(struct drm_crtc *crtc extern void drm_vblank_pre_modeset(struct drm_device *dev, unsigned int pipe); extern void drm_vblank_post_modeset(struct drm_device *dev, unsigned int pipe); - /* Stub support (drm_stub.h) */ -extern struct drm_master *drm_master_get(struct drm_master *master); -extern void drm_master_put(struct drm_master **master); - -extern void drm_put_dev(struct drm_device *dev); -extern void drm_unplug_dev(struct drm_device *dev); +/* drm_auth.c */ +struct drm_master *drm_master_get(struct drm_master *master); +void drm_master_put(struct drm_master **master); +bool drm_is_current_master(struct drm_file *fpriv); + +/* drm_drv.c */ +void drm_put_dev(struct drm_device *dev); +void drm_unplug_dev(struct drm_device *dev); extern unsigned int drm_debug; -extern bool drm_atomic; /* Debugfs support */ #if defined(CONFIG_DEBUG_FS)