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drm/xe/huc: Realloc HuC FW in vram for post-hwconfig

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Similar to GuC, we're using system memory for the initial stage, and
move the image to vram when it's available for subsequent loads (e.g.
after reset).

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240219130530.1406044-2-michal.winiarski@intel.com
This commit is contained in:
Michał Winiarski 2024-02-19 14:05:28 +01:00 committed by Rodrigo Vivi
parent a44bbace73
commit 7606f7d0f0
3 changed files with 24 additions and 0 deletions
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19
drivers/gpu/drm/xe/xe_huc.c
View File

@ -112,6 +112,25 @@ int xe_huc_init(struct xe_huc *huc)
return ret;
}
int xe_huc_init_post_hwconfig(struct xe_huc *huc)
{
struct xe_tile *tile = gt_to_tile(huc_to_gt(huc));
struct xe_device *xe = huc_to_xe(huc);
int ret;
if (!IS_DGFX(huc_to_xe(huc)))
return 0;
if (!xe_uc_fw_is_loadable(&huc->fw))
return 0;
ret = xe_managed_bo_reinit_in_vram(xe, tile, &huc->fw.bo);
if (ret)
return ret;
return 0;
}
int xe_huc_upload(struct xe_huc *huc)
{
if (!xe_uc_fw_is_loadable(&huc->fw))

1
drivers/gpu/drm/xe/xe_huc.h
View File

@ -17,6 +17,7 @@ enum xe_huc_auth_types {
};
int xe_huc_init(struct xe_huc *huc);
int xe_huc_init_post_hwconfig(struct xe_huc *huc);
int xe_huc_upload(struct xe_huc *huc);
int xe_huc_auth(struct xe_huc *huc, enum xe_huc_auth_types type);
bool xe_huc_is_authenticated(struct xe_huc *huc, enum xe_huc_auth_types type);

4
drivers/gpu/drm/xe/xe_uc.c
View File

@ -94,6 +94,10 @@ int xe_uc_init_post_hwconfig(struct xe_uc *uc)
if (err)
return err;
err = xe_huc_init_post_hwconfig(&uc->huc);
if (err)
return err;
return xe_gsc_init_post_hwconfig(&uc->gsc);
}