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Lin" , Singo Chang , "Nancy Lin" , Shawn Sung , , Jeffrey Kardatzke Subject: [PATCH v6 2/7] drm/mediatek/uapi: Add DRM_MTK_GEM_CREATE_RESTRICTED flag Date: Sun, 26 May 2024 07:29:23 +0800 Message-ID: <20240525232928.5524-3-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240525232928.5524-1-jason-jh.lin@mediatek.com> References: <20240525232928.5524-1-jason-jh.lin@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--5.287700-8.000000 X-TMASE-MatchedRID: k8Cd32tj8sGXFGyE5q3nYES2B/NHMxrXkKAa/khZ3iRh2fnHe1cil77q f3d2iYd43gb7k6xpVN542tqdrtX3rGJZXQNDzktSQML2WBMvCAV4l6XHn8eFlpsoi2XrUn/Js98 n9dYnJNNQSFbL1bvQAXnN0DN7HnFmkWv6xhiUH0B/UAdIHSqqoTg+CnHW/UZudrv9PcU+4TLk0B aI3H9oyJRMZUCEHkRt X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--5.287700-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 060B792F319A29816E6FCAB6845D0B61DAB22940F3E07BFB7915C1D9116996D72000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240525_162939_828083_A99C966C X-CRM114-Status: GOOD ( 10.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Signed-off-by: Hsiao Chien Sung --- include/uapi/drm/mediatek_drm.h | 1 + 1 file changed, 1 insertion(+) 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)