samsung-sm8650/android_kernel_samsung_sm8650-modules
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msm: camera: smmu: Add support for non-contiguous mermory region

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Add support to discard a memory region inside the full dma map
virtual address space region.

CRs-Fixed: 2580128
Change-Id: I76cc778f2437a01a4efabec836ce92c47d983d61
Signed-off-by: Pavan Kumar Chilamkurthi <pchilamk@codeaurora.org>
This commit is contained in:
Pavan Kumar Chilamkurthi
2019-12-19 22:26:37 -08:00
parent 1b644126dd
commit efc0528e8a
6 changed files with 226 additions and 18 deletions
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17
drivers/cam_icp/hfi.c
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@@ -669,6 +669,15 @@ int cam_hfi_resume(struct hfi_mem_info *hfi_mem,
cam_io_w_mb((uint32_t)hfi_mem->io_mem.len,
icp_base + HFI_REG_IO_REGION_SIZE);
cam_io_w_mb((uint32_t)hfi_mem->io_mem2.iova,
icp_base + HFI_REG_IO2_REGION_IOVA);
cam_io_w_mb((uint32_t)hfi_mem->io_mem2.len,
icp_base + HFI_REG_IO2_REGION_SIZE);
CAM_INFO(CAM_HFI, "Resume IO1 : [0x%x 0x%x] IO2 [0x%x 0x%x]",
hfi_mem->io_mem.iova, hfi_mem->io_mem.len,
hfi_mem->io_mem2.iova, hfi_mem->io_mem2.len);
return rc;
}
@@ -859,6 +868,14 @@ int cam_hfi_init(uint8_t event_driven_mode, struct hfi_mem_info *hfi_mem,
icp_base + HFI_REG_IO_REGION_IOVA);
cam_io_w_mb((uint32_t)hfi_mem->io_mem.len,
icp_base + HFI_REG_IO_REGION_SIZE);
cam_io_w_mb((uint32_t)hfi_mem->io_mem2.iova,
icp_base + HFI_REG_IO2_REGION_IOVA);
cam_io_w_mb((uint32_t)hfi_mem->io_mem2.len,
icp_base + HFI_REG_IO2_REGION_SIZE);
CAM_INFO(CAM_HFI, "Init IO1 : [0x%x 0x%x] IO2 [0x%x 0x%x]",
hfi_mem->io_mem.iova, hfi_mem->io_mem.len,
hfi_mem->io_mem2.iova, hfi_mem->io_mem2.len);
hw_version = cam_io_r(icp_base + HFI_REG_A5_HW_VERSION);