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205e18c135
It appears on TU106 GPUs (2070), that some of the nvdec engines are in the runlist but have no valid nonstall interrupt, nouveau didn't handle that too well. This should let nouveau/gsp work on those. Cc: stable@vger.kernel.org # v6.7+ Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://lore.kernel.org/all/20240110011826.3996289-1-airlied@gmail.com/
124 lines
3.1 KiB
C
124 lines
3.1 KiB
C
/*
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* Copyright 2019 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "priv.h"
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int
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nvkm_gsp_intr_nonstall(struct nvkm_gsp *gsp, enum nvkm_subdev_type type, int inst)
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{
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for (int i = 0; i < gsp->intr_nr; i++) {
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if (gsp->intr[i].type == type && gsp->intr[i].inst == inst)
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return gsp->intr[i].nonstall;
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}
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return -ENOENT;
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}
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int
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nvkm_gsp_intr_stall(struct nvkm_gsp *gsp, enum nvkm_subdev_type type, int inst)
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{
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for (int i = 0; i < gsp->intr_nr; i++) {
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if (gsp->intr[i].type == type && gsp->intr[i].inst == inst) {
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if (gsp->intr[i].stall != ~0)
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return gsp->intr[i].stall;
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return -EINVAL;
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}
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}
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return -ENOENT;
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}
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static int
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nvkm_gsp_fini(struct nvkm_subdev *subdev, bool suspend)
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{
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struct nvkm_gsp *gsp = nvkm_gsp(subdev);
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if (!gsp->func->fini)
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return 0;
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return gsp->func->fini(gsp, suspend);
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}
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static int
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nvkm_gsp_init(struct nvkm_subdev *subdev)
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{
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struct nvkm_gsp *gsp = nvkm_gsp(subdev);
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if (!gsp->func->init)
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return 0;
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return gsp->func->init(gsp);
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}
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static int
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nvkm_gsp_oneinit(struct nvkm_subdev *subdev)
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{
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struct nvkm_gsp *gsp = nvkm_gsp(subdev);
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if (!gsp->func->oneinit)
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return 0;
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return gsp->func->oneinit(gsp);
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}
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static void *
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nvkm_gsp_dtor(struct nvkm_subdev *subdev)
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{
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struct nvkm_gsp *gsp = nvkm_gsp(subdev);
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if (gsp->func && gsp->func->dtor)
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gsp->func->dtor(gsp);
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nvkm_falcon_dtor(&gsp->falcon);
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return gsp;
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}
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static const struct nvkm_subdev_func
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nvkm_gsp = {
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.dtor = nvkm_gsp_dtor,
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.oneinit = nvkm_gsp_oneinit,
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.init = nvkm_gsp_init,
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.fini = nvkm_gsp_fini,
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};
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int
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nvkm_gsp_new_(const struct nvkm_gsp_fwif *fwif, struct nvkm_device *device,
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enum nvkm_subdev_type type, int inst, struct nvkm_gsp **pgsp)
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{
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struct nvkm_gsp *gsp;
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if (!(gsp = *pgsp = kzalloc(sizeof(*gsp), GFP_KERNEL)))
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return -ENOMEM;
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nvkm_subdev_ctor(&nvkm_gsp, device, type, inst, &gsp->subdev);
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fwif = nvkm_firmware_load(&gsp->subdev, fwif, "Gsp", gsp);
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if (IS_ERR(fwif))
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return PTR_ERR(fwif);
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gsp->func = fwif->func;
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gsp->rm = gsp->func->rm;
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return nvkm_falcon_ctor(gsp->func->flcn, &gsp->subdev, gsp->subdev.name, 0x110000,
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&gsp->falcon);
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}
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