diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c index 5c262a28aa23..e803cc461227 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c @@ -20,11 +20,45 @@ * DEALINGS IN THE SOFTWARE. */ #include "priv.h" + #include <core/msgqueue.h> #include <subdev/acr.h> +#include <nvfw/pmu.h> + +static int +gm20b_pmu_acr_bootstrap_falcon_cb(void *priv, struct nv_falcon_msg *hdr) +{ + struct nv_pmu_acr_bootstrap_falcon_msg *msg = + container_of(hdr, typeof(*msg), msg.hdr); + return msg->falcon_id; +} + +int +gm20b_pmu_acr_bootstrap_falcon(struct nvkm_falcon *falcon, + enum nvkm_acr_lsf_id id) +{ + struct nvkm_pmu *pmu = container_of(falcon, typeof(*pmu), falcon); + struct nv_pmu_acr_bootstrap_falcon_cmd cmd = { + .cmd.hdr.unit_id = NV_PMU_UNIT_ACR, + .cmd.hdr.size = sizeof(cmd), + .cmd.cmd_type = NV_PMU_ACR_CMD_BOOTSTRAP_FALCON, + .flags = NV_PMU_ACR_BOOTSTRAP_FALCON_FLAGS_RESET_YES, + .falcon_id = id, + }; + int ret; + + ret = nvkm_falcon_cmdq_send(pmu->hpq, &cmd.cmd.hdr, + gm20b_pmu_acr_bootstrap_falcon_cb, + &pmu->subdev, msecs_to_jiffies(1000)); + if (ret >= 0 && ret != cmd.falcon_id) + ret = -EIO; + return ret; +} + static const struct nvkm_acr_lsf_func gm20b_pmu_acr = { + .bootstrap_falcon = gm20b_pmu_acr_bootstrap_falcon, }; void |