Il 23/10/23 06:45, Jason-JH.Lin ha scritto:
Add mtk_ddp_sec_write to configure secure buffer information to
cmdq secure packet data.
Then secure cmdq driver will use these information to configure
curresponding secure DRAM address to HW overlay in secure world.
Signed-off-by: Jason-JH.Lin <jason-jh.lin@xxxxxxxxxxxx>
---
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 12 ++++++++++++
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 4 ++++
2 files changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 771f4e173353..3dca936b9143 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -111,6 +111,18 @@ void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
#endif
}
+void mtk_ddp_sec_write(struct cmdq_pkt *cmdq_pkt, u32 addr, u64 base,
+ const enum cmdq_iwc_addr_metadata_type type,
+ const u32 offset, const u32 size, const u32 port)
+{
+#if IS_REACHABLE(CONFIG_MTK_CMDQ)
+ /* secure buffer will be 4K alignment */
+ if (cmdq_pkt)
if (!cmdq_pkt)
return;
cmdq_sec_pkt_write....
Regards,
Angelo
