Looking good. It would be nice to have some defines/enums for the different modes. Some comments about t0, t1 and t2 would be nice. I saw you are using t0 in patch 16, but I have no idea why use t0 rather than t1 or t2.
Otherwise, Acked-by: Pierre Moreau <pierre.mor...@free.fr> On 2017-09-15 — 17:11, Karol Herbst wrote: > Signed-off-by: Karol Herbst <karolher...@gmail.com> > --- > .../include/nvkm/subdev/bios/thermal_policies.h | 27 ++++++++ > drm/nouveau/nvkm/subdev/bios/Kbuild | 1 + > drm/nouveau/nvkm/subdev/bios/thermal_policies.c | 81 > ++++++++++++++++++++++ > 3 files changed, 109 insertions(+) > create mode 100644 drm/nouveau/include/nvkm/subdev/bios/thermal_policies.h > create mode 100644 drm/nouveau/nvkm/subdev/bios/thermal_policies.c > > diff --git a/drm/nouveau/include/nvkm/subdev/bios/thermal_policies.h > b/drm/nouveau/include/nvkm/subdev/bios/thermal_policies.h > new file mode 100644 > index 00000000..c9215fdd > --- /dev/null > +++ b/drm/nouveau/include/nvkm/subdev/bios/thermal_policies.h > @@ -0,0 +1,27 @@ > +#ifndef __NVBIOS_THERMAL_POLICIES_H__ > +#define __NVBIOS_THERMAL_POLICIES_H__ > + > +struct nvbios_thermal_policies_header { > + u32 offset; > + > + u8 version; > + u8 hlen; > + u8 ecount; > + u8 elen; > +}; > +struct nvbios_thermal_policies_entry { > + u8 mode; > + u16 t0; > + u16 t1; > + u16 t2; > + s16 down_offset; > + s16 up_offset; > +}; > + > +int nvbios_thermal_policies_parse(struct nvkm_bios *, > + struct nvbios_thermal_policies_header *); > +int nvbios_thermal_policies_entry(struct nvkm_bios *, > + struct nvbios_thermal_policies_header *, > + u8 idx, > + struct nvbios_thermal_policies_entry *); > +#endif > diff --git a/drm/nouveau/nvkm/subdev/bios/Kbuild > b/drm/nouveau/nvkm/subdev/bios/Kbuild > index 6b4f1e06..38f31dd0 100644 > --- a/drm/nouveau/nvkm/subdev/bios/Kbuild > +++ b/drm/nouveau/nvkm/subdev/bios/Kbuild > @@ -30,6 +30,7 @@ nvkm-y += nvkm/subdev/bios/shadowramin.o > nvkm-y += nvkm/subdev/bios/shadowrom.o > nvkm-y += nvkm/subdev/bios/timing.o > nvkm-y += nvkm/subdev/bios/therm.o > +nvkm-y += nvkm/subdev/bios/thermal_policies.o > nvkm-y += nvkm/subdev/bios/vmap.o > nvkm-y += nvkm/subdev/bios/volt.o > nvkm-y += nvkm/subdev/bios/vpstate.o > diff --git a/drm/nouveau/nvkm/subdev/bios/thermal_policies.c > b/drm/nouveau/nvkm/subdev/bios/thermal_policies.c > new file mode 100644 > index 00000000..5105194e > --- /dev/null > +++ b/drm/nouveau/nvkm/subdev/bios/thermal_policies.c > @@ -0,0 +1,81 @@ > +/* > + * Copyright 2017 Karol Herbst > + * > + * Permission is hereby granted, free of charge, to any person obtaining a > + * copy of this software and associated documentation files (the "Software"), > + * to deal in the Software without restriction, including without limitation > + * the rights to use, copy, modify, merge, publish, distribute, sublicense, > + * and/or sell copies of the Software, and to permit persons to whom the > + * Software is furnished to do so, subject to the following conditions: > + * > + * The above copyright notice and this permission notice shall be included in > + * all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL > + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR > + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, > + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR > + * OTHER DEALINGS IN THE SOFTWARE. > + * > + * Authors: Karol Herbst > + */ > +#include <subdev/bios.h> > +#include <subdev/bios/bit.h> > +#include <subdev/bios/thermal_policies.h> > + > +static u32 > +nvbios_thermal_policies_offset(struct nvkm_bios *b) > +{ > + struct bit_entry bit_P; > + > + if (!bit_entry(b, 'P', &bit_P)) { > + if (bit_P.version == 2 && bit_P.length >= 0x50) > + return nvbios_rd32(b, bit_P.offset + 0x50); > + } > + > + return 0; > +} > + > +int > +nvbios_thermal_policies_parse(struct nvkm_bios *b, struct > nvbios_thermal_policies_header *h) > +{ > + if (!h) > + return -EINVAL; > + > + h->offset = nvbios_thermal_policies_offset(b); > + if (!h->offset) > + return -ENODEV; > + > + h->version = nvbios_rd08(b, h->offset); > + switch (h->version) { > + case 0x10: > + h->hlen = nvbios_rd08(b, h->offset + 0x1); > + h->elen = nvbios_rd08(b, h->offset + 0x2); > + h->ecount = nvbios_rd08(b, h->offset + 0x3); > + return 0; > + default: > + return -EINVAL; > + } > +} > + > +int > +nvbios_thermal_policies_entry(struct nvkm_bios *b, struct > nvbios_thermal_policies_header *h, > + u8 idx, struct nvbios_thermal_policies_entry *e) > +{ > + u32 offset; > + > + if (!e || !h || idx > h->ecount) > + return -EINVAL; > + > + offset = h->offset + h->hlen + idx * h->elen; > + e->mode = nvbios_rd08(b, offset); > + e->t0 = nvbios_rd16(b, offset + 0x2); > + e->t1 = nvbios_rd16(b, offset + 0x4); > + e->t2 = nvbios_rd16(b, offset + 0x6); > + e->down_offset = nvbios_rd16(b, offset + 0x12); > + e->up_offset = nvbios_rd16(b, offset + 0x14); > + > + return 0; > +} > -- > 2.14.1 > > _______________________________________________ > Nouveau mailing list > Nouveau@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/nouveau
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