drm/radeon/kms: implement the bo busy ioctl properly.

The previous patch assumes the ioctl already existed, when
it actually didn't.

It also didn't return the correct error code.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index d4ceff1..14c1998 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -283,7 +283,7 @@ int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
        mutex_lock(&dev->struct_mutex);
        drm_gem_object_unreference(gobj);
        mutex_unlock(&dev->struct_mutex);
-       return 0;
+       return r;
 }
 
 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,

diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index d2764bf..11ed672 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -318,5 +318,6 @@ struct drm_ioctl_desc radeon_ioctls_kms[] = {
        DRM_IOCTL_DEF(DRM_RADEON_INFO, radeon_info_ioctl, DRM_AUTH),
        DRM_IOCTL_DEF(DRM_RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH),
        DRM_IOCTL_DEF(DRM_RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH),
+       DRM_IOCTL_DEF(DRM_RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH),
 };
 int radeon_max_kms_ioctl = DRM_ARRAY_SIZE(radeon_ioctls_kms);

diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index f81c323..b439255 100644 (file)
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -508,6 +508,7 @@ typedef struct {
 #define DRM_RADEON_INFO                        0x27
 #define DRM_RADEON_GEM_SET_TILING      0x28
 #define DRM_RADEON_GEM_GET_TILING      0x29
+#define DRM_RADEON_GEM_BUSY            0x2a
 
 #define DRM_IOCTL_RADEON_CP_INIT    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_INIT, drm_radeon_init_t)
 #define DRM_IOCTL_RADEON_CP_START   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_START)
@@ -548,6 +549,7 @@ typedef struct {
 #define DRM_IOCTL_RADEON_INFO          DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INFO, struct drm_radeon_info)
 #define DRM_IOCTL_RADEON_SET_TILING    DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_TILING, struct drm_radeon_gem_set_tiling)
 #define DRM_IOCTL_RADEON_GET_TILING    DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_GET_TILING, struct drm_radeon_gem_get_tiling)
+#define DRM_IOCTL_RADEON_GEM_BUSY      DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_BUSY, struct drm_radeon_gem_busy)
 
 typedef struct drm_radeon_init {
        enum {