diff options
Diffstat (limited to 'drivers/gpu/drm/drm_ioctl.c')
| -rw-r--r-- | drivers/gpu/drm/drm_ioctl.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 33af4a5ddca1..fed22c2b98b6 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -29,7 +29,6 @@ */ #include <drm/drmP.h> -#include <drm/drm_core.h> #include <drm/drm_auth.h> #include "drm_legacy.h" #include "drm_internal.h" @@ -189,9 +188,8 @@ static int drm_getclient(struct drm_device *dev, void *data, */ if (client->idx == 0) { client->auth = file_priv->authenticated; - client->pid = pid_vnr(file_priv->pid); - client->uid = from_kuid_munged(current_user_ns(), - file_priv->uid); + client->pid = task_pid_vnr(current); + client->uid = overflowuid; client->magic = 0; client->iocs = 0; @@ -228,8 +226,25 @@ static int drm_getstats(struct drm_device *dev, void *data, static int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_get_cap *req = data; + struct drm_crtc *crtc; req->value = 0; + + /* Only some caps make sense with UMS/render-only drivers. */ + switch (req->capability) { + case DRM_CAP_TIMESTAMP_MONOTONIC: + req->value = drm_timestamp_monotonic; + return 0; + case DRM_CAP_PRIME: + req->value |= dev->driver->prime_fd_to_handle ? DRM_PRIME_CAP_IMPORT : 0; + req->value |= dev->driver->prime_handle_to_fd ? DRM_PRIME_CAP_EXPORT : 0; + return 0; + } + + /* Other caps only work with KMS drivers */ + if (!drm_core_check_feature(dev, DRIVER_MODESET)) + return -ENOTSUPP; + switch (req->capability) { case DRM_CAP_DUMB_BUFFER: if (dev->driver->dumb_create) @@ -244,16 +259,16 @@ static int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_ case DRM_CAP_DUMB_PREFER_SHADOW: req->value = dev->mode_config.prefer_shadow; break; - case DRM_CAP_PRIME: - req->value |= dev->driver->prime_fd_to_handle ? DRM_PRIME_CAP_IMPORT : 0; - req->value |= dev->driver->prime_handle_to_fd ? DRM_PRIME_CAP_EXPORT : 0; - break; - case DRM_CAP_TIMESTAMP_MONOTONIC: - req->value = drm_timestamp_monotonic; - break; case DRM_CAP_ASYNC_PAGE_FLIP: req->value = dev->mode_config.async_page_flip; break; + case DRM_CAP_PAGE_FLIP_TARGET: + req->value = 1; + drm_for_each_crtc(crtc, dev) { + if (!crtc->funcs->page_flip_target) + req->value = 0; + } + break; case DRM_CAP_CURSOR_WIDTH: if (dev->mode_config.cursor_width) req->value = dev->mode_config.cursor_width; @@ -714,9 +729,9 @@ long drm_ioctl(struct file *filp, if (ksize > in_size) memset(kdata + in_size, 0, ksize - in_size); - /* Enforce sane locking for kms driver ioctls. Core ioctls are + /* Enforce sane locking for modern driver ioctls. Core ioctls are * too messy still. */ - if ((drm_core_check_feature(dev, DRIVER_MODESET) && is_driver_ioctl) || + if ((!drm_core_check_feature(dev, DRIVER_LEGACY) && is_driver_ioctl) || (ioctl->flags & DRM_UNLOCKED)) retcode = func(dev, kdata, file_priv); else { |