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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Jason: On Sun, 2024-05-26 at 22:44 +0800, Jason-JH.Lin wrote: > To support secure video path feature, GCE have to read/write registgers > in the secure world. GCE will enable the secure access permission to the > HW who wants to access the secure content buffer. > > Add CMDQ secure mailbox driver to make CMDQ client user is able to > sending their HW settings to the secure world. So that GCE can execute > all instructions to configure HW in the secure world. > > TODO: > 1. Squash cmdq_sec_task_exec_work() into cmdq_sec_mbox_send_data(). > 2. Call into TEE to query cookie instead of using shared memory in > cmdq_sec_get_cookie(). > 3. Register shared memory as command buffer instead of copying normal > command buffer to IWC shared memory. > 4. Use SOFTDEP to make cmdq_sec_probe later than OPTEE loaded and then > move cmdq_sec_session_init into cmdq_sec_probe(). > 5. Remove timeout detection in cmdq_sec_session_send(). > > Signed-off-by: Jason-JH.Lin > Signed-off-by: Hsiao Chien Sung > --- [snip] > +/* > + * enum cmdq_sec_engine_enum - the flag for HW engines need to be proteced in secure world. > + * Each enum is a bit in a u64 engine flag variable. > + */ > +enum cmdq_sec_engine_enum { > + /* MDP */ > + CMDQ_SEC_MDP_RDMA0 = 0, > + CMDQ_SEC_MDP_RDMA1 = 1, > + CMDQ_SEC_MDP_WDMA = 2, > + CMDQ_SEC_MDP_RDMA2 = 3, > + CMDQ_SEC_MDP_RDMA3 = 4, > + CMDQ_SEC_MDP_WROT0 = 5, > + CMDQ_SEC_MDP_WROT1 = 6, > + CMDQ_SEC_MDP_WROT2 = 7, > + CMDQ_SEC_MDP_WROT3 = 8, > + CMDQ_SEC_MDP_HDR0 = 9, > + CMDQ_SEC_MDP_HDR1 = 10, > + CMDQ_SEC_MDP_HDR2 = 11, > + CMDQ_SEC_MDP_HDR3 = 12, > + CMDQ_SEC_MDP_AAL0 = 13, > + CMDQ_SEC_MDP_AAL1 = 14, > + CMDQ_SEC_MDP_AAL2 = 15, > + CMDQ_SEC_MDP_AAL3 = 16, > + > + /* DISP (VDOSYS0) */ > + CMDQ_SEC_DISP_RDMA0 = 17, > + CMDQ_SEC_DISP_RDMA1 = 18, > + CMDQ_SEC_DISP_WDMA0 = 19, > + CMDQ_SEC_DISP_WDMA1 = 20, > + CMDQ_SEC_DISP_OVL0 = 21, > + CMDQ_SEC_DISP_OVL1 = 22, > + CMDQ_SEC_DISP_OVL2 = 23, > + CMDQ_SEC_DISP_2L_OVL0 = 24, > + CMDQ_SEC_DISP_2L_OVL1 = 25, > + CMDQ_SEC_DISP_2L_OVL2 = 26, > + > + /* DSIP (VDOSYS1) */ > + CMDQ_SEC_VDO1_DISP_RDMA_L0 = 27, > + CMDQ_SEC_VDO1_DISP_RDMA_L1 = 28, > + CMDQ_SEC_VDO1_DISP_RDMA_L2 = 29, > + CMDQ_SEC_VDO1_DISP_RDMA_L3 = 30, > + > + /* VENC */ > + CMDQ_SEC_VENC_BSDMA = 31, > + CMDQ_SEC_VENC_CUR_LUMA = 32, > + CMDQ_SEC_VENC_CUR_CHROMA = 33, > + CMDQ_SEC_VENC_REF_LUMA = 34, > + CMDQ_SEC_VENC_REF_CHROMA = 35, > + CMDQ_SEC_VENC_REC = 36, > + CMDQ_SEC_VENC_SUB_R_LUMA = 37, > + CMDQ_SEC_VENC_SUB_W_LUMA = 38, > + CMDQ_SEC_VENC_SV_COMV = 39, > + CMDQ_SEC_VENC_RD_COMV = 40, > + CMDQ_SEC_VENC_NBM_RDMA = 41, > + CMDQ_SEC_VENC_NBM_WDMA = 42, > + CMDQ_SEC_VENC_NBM_RDMA_LITE = 43, > + CMDQ_SEC_VENC_NBM_WDMA_LITE = 44, > + CMDQ_SEC_VENC_FCS_NBM_RDMA = 45, > + CMDQ_SEC_VENC_FCS_NBM_WDMA = 46, > + > + CMDQ_SEC_MAX_ENG_COUNT > +}; Useless, so drop these. Regards, CK > + _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel