drm: Drop ioctl->cmd_drv

ioctl->cmd_drv is pointless and we can just as well stick the full ioctl
definition into ioctl->cmd.

Cc: Jakob Bornecrantz <jakob@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/drm_ioctl.c

@@ -525,7 +525,7 @@ static int drm_ioctl_permit(u32 flags, struct drm_file *file_priv)
 }
 
 #define DRM_IOCTL_DEF(ioctl, _func, _flags) \
-	[DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, .cmd_drv = 0, .name = #ioctl}
+	[DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, .name = #ioctl}
 
 /** Ioctl table */
 static const struct drm_ioctl_desc drm_ioctls[] = {
@@ -677,11 +677,11 @@ long drm_ioctl(struct file *filp,
 	    (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) {
 		u32 drv_size;
 		ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
-		drv_size = _IOC_SIZE(ioctl->cmd_drv);
+		drv_size = _IOC_SIZE(ioctl->cmd);
 		usize = asize = _IOC_SIZE(cmd);
 		if (drv_size > asize)
 			asize = drv_size;
-		cmd = ioctl->cmd_drv;
+		cmd = ioctl->cmd;
 	}
 	else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE)) {
 		u32 drv_size;

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

@@ -134,7 +134,7 @@
  */
 
 #define VMW_IOCTL_DEF(ioctl, func, flags) \
-  [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_##ioctl, flags, func, DRM_IOCTL_##ioctl}
+  [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_IOCTL_##ioctl, flags, func}
 
 /**
  * Ioctl definitions.
@@ -1041,7 +1041,7 @@ static long vmw_generic_ioctl(struct file *filp, unsigned int cmd,
 		const struct drm_ioctl_desc *ioctl =
 			&vmw_ioctls[nr - DRM_COMMAND_BASE];
 
-		if (unlikely(ioctl->cmd_drv != cmd)) {
+		if (unlikely(ioctl->cmd != cmd)) {
 			DRM_ERROR("Invalid command format, ioctl %d\n",
 				  nr - DRM_COMMAND_BASE);
 			return -EINVAL;

include/drm/drmP.h

@@ -253,7 +253,6 @@ struct drm_ioctl_desc {
 	unsigned int cmd;
 	int flags;
 	drm_ioctl_t *func;
-	unsigned int cmd_drv;
 	const char *name;
 };
 
@@ -263,7 +262,7 @@ struct drm_ioctl_desc {
  */
 
 #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags)			\
-	[DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl, .name = #ioctl}
+	[DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {.cmd = DRM_IOCTL_##ioctl, .func = _func, .flags = _flags, .name = #ioctl}
 
 /* Event queued up for userspace to read */
 struct drm_pending_event {