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[v6,2/7] drm/mediatek/uapi: Add DRM_MTK_GEM_CREATE_RESTRICTED flag

Message ID 20240525232928.5524-3-jason-jh.lin@mediatek.com (mailing list archive)
State New, archived
Headers show
Series Add mediate-drm secure flow for SVP | expand

Commit Message

Jason-JH Lin (林睿祥) May 25, 2024, 11:29 p.m. UTC 
Add DRM_MTK_GEM_CREATE_RESTRICTED flag for the user space to tell the
kernel space this dma buffer is restricted.
The user space can store this flag into the private data of the dma
buffer after allocating.

A restricted buffer is used to store the secure video content to support
secure video path feature.

Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com>
---
 include/uapi/drm/mediatek_drm.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/include/uapi/drm/mediatek_drm.h b/include/uapi/drm/mediatek_drm.h
index 821f7a732365..dee581718d70 100644
--- a/include/uapi/drm/mediatek_drm.h
+++ b/include/uapi/drm/mediatek_drm.h
@@ -39,6 +39,7 @@  struct drm_mtk_gem_create {
 };
 
 #define DRM_MTK_GEM_CREATE		0x00
+#define DRM_MTK_GEM_CREATE_RESTRICTED	0x01
 
 #define DRM_IOCTL_MTK_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_MTK_GEM_CREATE, struct drm_mtk_gem_create)