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drm/nouveau/gsp: add hal for gsp.sr_data_size()

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570.86.15 uses a slightly different calculation for the size of the
sysmem buffer needed to store GSP-RM's vidmem data across suspend.

Signed-off-by: Ben Skeggs <bskeggs@nvidia.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Timur Tabi <ttabi@nvidia.com>
Tested-by: Timur Tabi <ttabi@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Ben Skeggs 2025-04-01 05:22:41 +10:00 committed by Dave Airlie
parent f82fb646e1
commit 9c86a6010a
2 changed files with 11 additions and 2 deletions
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12
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c
View File

@ -1700,6 +1700,14 @@ nvkm_gsp_radix3_sg(struct nvkm_gsp *gsp, struct sg_table *sgt, u64 size,
return ret;
}
static u32
r535_gsp_sr_data_size(struct nvkm_gsp *gsp)
{
GspFwWprMeta *meta = gsp->wpr_meta.data;
return meta->gspFwWprEnd - meta->gspFwWprStart;
}
int
r535_gsp_fini(struct nvkm_gsp *gsp, bool suspend)
{
@ -1707,8 +1715,7 @@ r535_gsp_fini(struct nvkm_gsp *gsp, bool suspend)
int ret;
if (suspend) {
GspFwWprMeta *meta = gsp->wpr_meta.data;
u64 len = meta->gspFwWprEnd - meta->gspFwWprStart;
u32 len = rm->api->gsp->sr_data_size(gsp);
GspFwSRMeta *sr;
ret = nvkm_gsp_sg(gsp->subdev.device, len, &gsp->sr.sgt);
@ -2167,4 +2174,5 @@ r535_gsp = {
.get_static_info = r535_gsp_get_static_info,
.xlat_mc_engine_idx = r535_gsp_xlat_mc_engine_idx,
.drop_send_user_shared_data = r535_gsp_drop_send_user_shared_data,
.sr_data_size = r535_gsp_sr_data_size,
};

1
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h
View File

@ -34,6 +34,7 @@ struct nvkm_rm_api {
int (*get_static_info)(struct nvkm_gsp *);
bool (*xlat_mc_engine_idx)(u32 mc_engine_idx, enum nvkm_subdev_type *, int *inst);
void (*drop_send_user_shared_data)(struct nvkm_gsp *);
u32 (*sr_data_size)(struct nvkm_gsp *);
} *gsp;
const struct nvkm_rm_api_rpc {