diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2017-11-01 03:56:19 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-11-02 13:32:17 +1000 |
| commit | 5e721ad198a0518a6059003b1651fdb183e32dd5 (patch) | |
| tree | 136a01281f0e99bb6de882c83e47b278540ed6f1 | |
| parent | b5078d731fad979e7426e1ef55c44ea469a71191 (diff) | |
drm/nouveau/fifo: perform reset from preinit
RM appears to do this really early in its initialisation, before DEVINIT.
We currently do this before BAR2 initialisation for some reason.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/engine.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/engine.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c | 8 |
3 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h index d4cd2fbfde88..7730499bfd95 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h @@ -15,6 +15,7 @@ struct nvkm_engine { struct nvkm_engine_func { void *(*dtor)(struct nvkm_engine *); + void (*preinit)(struct nvkm_engine *); int (*oneinit)(struct nvkm_engine *); int (*init)(struct nvkm_engine *); int (*fini)(struct nvkm_engine *, bool suspend); diff --git a/drivers/gpu/drm/nouveau/nvkm/core/engine.c b/drivers/gpu/drm/nouveau/nvkm/core/engine.c index b6c916954a10..657231c3c098 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/engine.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/engine.c @@ -126,6 +126,15 @@ nvkm_engine_init(struct nvkm_subdev *subdev) return ret; } +static int +nvkm_engine_preinit(struct nvkm_subdev *subdev) +{ + struct nvkm_engine *engine = nvkm_engine(subdev); + if (engine->func->preinit) + engine->func->preinit(engine); + return 0; +} + static void * nvkm_engine_dtor(struct nvkm_subdev *subdev) { @@ -138,6 +147,7 @@ nvkm_engine_dtor(struct nvkm_subdev *subdev) static const struct nvkm_subdev_func nvkm_engine_func = { .dtor = nvkm_engine_dtor, + .preinit = nvkm_engine_preinit, .init = nvkm_engine_init, .fini = nvkm_engine_fini, .intr = nvkm_engine_intr, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c index 660ca7aa95ea..64f6b7654a08 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c @@ -27,6 +27,7 @@ #include <core/client.h> #include <core/gpuobj.h> #include <core/notify.h> +#include <subdev/mc.h> #include <nvif/event.h> #include <nvif/unpack.h> @@ -278,6 +279,12 @@ nvkm_fifo_oneinit(struct nvkm_engine *engine) return 0; } +static void +nvkm_fifo_preinit(struct nvkm_engine *engine) +{ + nvkm_mc_reset(engine->subdev.device, NVKM_ENGINE_FIFO); +} + static int nvkm_fifo_init(struct nvkm_engine *engine) { @@ -302,6 +309,7 @@ nvkm_fifo_dtor(struct nvkm_engine *engine) static const struct nvkm_engine_func nvkm_fifo = { .dtor = nvkm_fifo_dtor, + .preinit = nvkm_fifo_preinit, .oneinit = nvkm_fifo_oneinit, .init = nvkm_fifo_init, .fini = nvkm_fifo_fini, |