diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2023-09-18 23:21:40 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2023-10-31 08:08:16 +0300 |
| commit | 830531e94712973af2eee1c0b731de8426aa5b70 (patch) | |
| tree | b99840f797989e97c2d53d80272ea21c7f1eea35 /drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c | |
| parent | 37e328a17c1f4f6dded7354fd9afa1fa5c74854a (diff) | |
| download | linux-830531e94712973af2eee1c0b731de8426aa5b70.tar.xz | |
drm/nouveau/gsp/r535: add interrupt handling
Fetches the interrupt table from RM, and hooks up the GSP interrupt
handler to message queue processing to catch async messages.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-36-skeggsb@gmail.com
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c index d456ca29c418..04bceaa28a19 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c @@ -21,6 +21,36 @@ */ #include "priv.h" +int +nvkm_gsp_intr_nonstall(struct nvkm_gsp *gsp, enum nvkm_subdev_type type, int inst) +{ + for (int i = 0; i < gsp->intr_nr; i++) { + if (gsp->intr[i].type == type && gsp->intr[i].inst == inst) { + if (gsp->intr[i].nonstall != ~0) + return gsp->intr[i].nonstall; + + return -EINVAL; + } + } + + return -ENOENT; +} + +int +nvkm_gsp_intr_stall(struct nvkm_gsp *gsp, enum nvkm_subdev_type type, int inst) +{ + for (int i = 0; i < gsp->intr_nr; i++) { + if (gsp->intr[i].type == type && gsp->intr[i].inst == inst) { + if (gsp->intr[i].stall != ~0) + return gsp->intr[i].stall; + + return -EINVAL; + } + } + + return -ENOENT; +} + static int nvkm_gsp_fini(struct nvkm_subdev *subdev, bool suspend) { |