drm/msm: add DRM_IOCTL_MSM_RMFB2
Add new remove framebuffer ioctl that simply unreferences the
given framebuffer instead of triggering a shutdown of the CRTC
if the buffer is in active use. This allows the user space to
proactively unref the buffer without triggering an unwanted
shutdown.
Change-Id: Iac06985d069989b28affcf620d4e3feba6d07644
Signed-off-by: Lloyd Atkinson <latkinso@codeaurora.org>
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h
index fda50e9..eb18389 100644
--- a/include/uapi/drm/msm_drm.h
+++ b/include/uapi/drm/msm_drm.h
@@ -316,6 +316,7 @@
#define DRM_SDE_WB_CONFIG 0x40
#define DRM_MSM_REGISTER_EVENT 0x41
#define DRM_MSM_DEREGISTER_EVENT 0x42
+#define DRM_MSM_RMFB2 0x43
/* sde custom events */
#define DRM_EVENT_HISTOGRAM 0x80000000
@@ -335,6 +336,8 @@
DRM_MSM_REGISTER_EVENT), struct drm_msm_event_req)
#define DRM_IOCTL_MSM_DEREGISTER_EVENT DRM_IOW((DRM_COMMAND_BASE + \
DRM_MSM_DEREGISTER_EVENT), struct drm_msm_event_req)
+#define DRM_IOCTL_MSM_RMFB2 DRM_IOW((DRM_COMMAND_BASE + \
+ DRM_MSM_RMFB2), unsigned int)
#if defined(__cplusplus)
}