diff options
| author | Alon Mizrahi <amizrahi@habana.ai> | 2020-12-23 18:53:17 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-01-27 22:03:49 +0300 |
| commit | 9402a3362462d080b998e00ed33fc193c12adbbf (patch) | |
| tree | 4a7902df2f6ef5e6a3850fbd050a177f12c266ea | |
| parent | 3abe1040ba61a0a7148364ee4b4d969d7afd375b (diff) | |
| download | linux-9402a3362462d080b998e00ed33fc193c12adbbf.tar.xz | |
habanalabs: return dram virtual address in info ioctl
When working with DRAM MMU, we should supply the userspace with the
virtual start address of the DRAM instead of the physical one. This
is because the physical one has no meaning for the user as he only
knows the virtual address range.
Signed-off-by: Alon Mizrahi <amizrahi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs_ioctl.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c index 394a2e1767ce..018320e0331b 100644 --- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/misc/habanalabs/common/habanalabs_ioctl.c @@ -57,7 +57,9 @@ static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args) hw_ip.device_id = hdev->asic_funcs->get_pci_id(hdev); hw_ip.sram_base_address = prop->sram_user_base_address; - hw_ip.dram_base_address = prop->dram_user_base_address; + hw_ip.dram_base_address = + hdev->mmu_enable && prop->dram_supports_virtual_memory ? + prop->dmmu.start_addr : prop->dram_user_base_address; hw_ip.tpc_enabled_mask = prop->tpc_enabled_mask; hw_ip.sram_size = prop->sram_size - sram_kmd_size; hw_ip.dram_size = prop->dram_size - dram_kmd_size; |