diff options
| author | Karol Herbst <karolherbst@gmail.com> | 2017-01-23 23:10:11 +0100 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-02-17 17:38:16 +1000 |
| commit | e5f8eabc0077ea3f77b3362e28d3969ae62e70f0 (patch) | |
| tree | 3dd35f08366c819e794c76e41a90a958618de833 /drivers/gpu/drm/nouveau/include/nvkm/subdev/bios | |
| parent | 75d115f2aae145fd7dfed29703ce063e3e7bb716 (diff) | |
drm/nouveau/bios/power_budget: Add basic power budget parsing
v2: Set entry to 0xff if not found
Add cap entry for ver 0x30 tables
Rework to fix memory leak
v3: More error checks
Simplify check for invalid entries
v4: disable for ver 0x10 for now
move assignments after the second last return
Signed-off-by: Karol Herbst <karolherbst@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/bios')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h new file mode 100644 index 000000000000..f5f4a14c4030 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h @@ -0,0 +1,26 @@ +#ifndef __NVBIOS_POWER_BUDGET_H__ +#define __NVBIOS_POWER_BUDGET_H__ + +#include <nvkm/subdev/bios.h> + +struct nvbios_power_budget_entry { + u32 min_w; + u32 avg_w; + u32 max_w; +}; + +struct nvbios_power_budget { + u32 offset; + u8 ver; + u8 hlen; + u8 elen; + u8 ecount; + u8 cap_entry; +}; + +int nvbios_power_budget_header(struct nvkm_bios *, + struct nvbios_power_budget *); +int nvbios_power_budget_entry(struct nvkm_bios *, struct nvbios_power_budget *, + u8 idx, struct nvbios_power_budget_entry *); + +#endif |