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| author | Andrey Grodzovsky <andrey.grodzovsky@amd.com> | 2021-05-12 17:26:41 +0300 |
|---|---|---|
| committer | Andrey Grodzovsky <andrey.grodzovsky@amd.com> | 2021-05-20 06:50:28 +0300 |
| commit | f89f8c6bafd0692d3afd21488d012ceb1baf6df6 (patch) | |
| tree | a6f34cf205887bef775c4aad48536e0760181a17 /drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | |
| parent | 35bba8313b95a5cd074fc910a9c2670b4a1b105d (diff) | |
| download | linux-f89f8c6bafd0692d3afd21488d012ceb1baf6df6.tar.xz | |
drm/amdgpu: Guard against write accesses after device removal
This should prevent writing to memory or IO ranges possibly
already allocated for other uses after our device is removed.
v5:
Protect more places wher memcopy_to/form_io takes place
Protect IB submissions
v6: Switch to !drm_dev_enter instead of scoping entire code
with brackets.
v7:
Drop guard of HW ring commands emission protection since they
are in GART and not in MMIO.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210512142648.666476-10-andrey.grodzovsky@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index 46a5328e00e0..2bfdc278817f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -423,4 +423,6 @@ int psp_get_fw_attestation_records_addr(struct psp_context *psp, int psp_load_fw_list(struct psp_context *psp, struct amdgpu_firmware_info **ucode_list, int ucode_count); +void psp_copy_fw(struct psp_context *psp, uint8_t *start_addr, uint32_t bin_size); + #endif |