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| author | Lijo Lazar <lijo.lazar@amd.com> | 2024-08-19 09:57:48 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-09-27 00:06:17 +0300 |
| commit | 14f2fe34f5c68e635899aa936df3cb9f6dab1b9c (patch) | |
| tree | 3ed1b8bd88b038e76292d455814a00f3ba1e1984 /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | 8a84d2a47232ed9487fe877efab231574c5b1521 (diff) | |
| download | linux-14f2fe34f5c68e635899aa936df3cb9f6dab1b9c.tar.xz | |
drm/amdgpu: Add init levels
Add init levels to define the level to which device needs to be
initialized.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Tested-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 716f97e68849..d4e2ac1febff 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -823,6 +823,24 @@ struct amdgpu_mqd { struct amdgpu_mqd_prop *p); }; +/* + * Custom Init levels could be defined for different situations where a full + * initialization of all hardware blocks are not expected. Sample cases are + * custom init sequences after resume after S0i3/S3, reset on initialization, + * partial reset of blocks etc. Presently, this defines only two levels. Levels + * are described in corresponding struct definitions - amdgpu_init_default, + * amdgpu_init_minimal_xgmi. + */ +enum amdgpu_init_lvl_id { + AMDGPU_INIT_LEVEL_DEFAULT, + AMDGPU_INIT_LEVEL_MINIMAL_XGMI, +}; + +struct amdgpu_init_level { + enum amdgpu_init_lvl_id level; + uint32_t hwini_ip_block_mask; +}; + #define AMDGPU_RESET_MAGIC_NUM 64 #define AMDGPU_MAX_DF_PERFMONS 4 struct amdgpu_reset_domain; @@ -1168,6 +1186,8 @@ struct amdgpu_device { bool enforce_isolation[MAX_XCP]; /* Added this mutex for cleaner shader isolation between GFX and compute processes */ struct mutex enforce_isolation_mutex; + + struct amdgpu_init_level *init_lvl; }; static inline uint32_t amdgpu_ip_version(const struct amdgpu_device *adev, @@ -1621,4 +1641,6 @@ extern const struct attribute_group amdgpu_vram_mgr_attr_group; extern const struct attribute_group amdgpu_gtt_mgr_attr_group; extern const struct attribute_group amdgpu_flash_attr_group; +void amdgpu_set_init_level(struct amdgpu_device *adev, + enum amdgpu_init_lvl_id lvl); #endif |