drm/radeon: Remove the references of radeon_gem_ pread & pwrite ioctls

Removing the functions of pread & pwrite & IOCTL defines, as their
existence allows an authorized client to spam the system logs.

Fixes: db996e64 ("drm/radeon: Fix ENOSYS with better fitting error codes in radeon_gem.c")
Suggested-by: Christian König <christian.koenig@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/radeon.h

@@ -2215,10 +2215,6 @@ int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
 int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
 			   struct drm_file *file_priv);
-int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
-			    struct drm_file *file_priv);
-int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv);
 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 				struct drm_file *filp);
 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,

drivers/gpu/drm/radeon/radeon_drv.c

@@ -555,8 +555,6 @@ static const struct drm_ioctl_desc radeon_ioctls_kms[] = {
 	DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
 	DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
 	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
-	DRM_IOCTL_DEF_DRV(RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF_DRV(RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH),
 	DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
 	DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
 	DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),

drivers/gpu/drm/radeon/radeon_gem.c

@@ -311,22 +311,6 @@ int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
 	return 0;
 }
 
-int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *filp)
-{
-	/* TODO: implement */
-	DRM_ERROR("unimplemented %s\n", __func__);
-	return -EOPNOTSUPP;
-}
-
-int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
-			    struct drm_file *filp)
-{
-	/* TODO: implement */
-	DRM_ERROR("unimplemented %s\n", __func__);
-	return -EOPNOTSUPP;
-}
-
 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
 			    struct drm_file *filp)
 {