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| author | Dave Airlie <airlied@redhat.com> | 2010-04-07 05:55:09 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-06-01 02:24:21 +0200 |
| commit | afeb3e11147adb357603b071d6d7d1f30ea7f19d (patch) | |
| tree | b8460e2bcba524fbeab090328c8f276419f552e6 /drivers/gpu/drm/nouveau/nouveau_drv.h | |
| parent | drm/radeon: fix the r100/r200 ums block 0 page fix (diff) | |
| download | linux-afeb3e11147adb357603b071d6d7d1f30ea7f19d.tar.xz linux-afeb3e11147adb357603b071d6d7d1f30ea7f19d.zip | |
drm/nouveau: attempt to get bios from ACPI v3
Some of the laptops with the switchable graphics, seem to not post the secondary GPU at all, and we can't find a copy of the BIOS anywhere except in the ACPI rom retrieval.
This adds support for ACPI ROM retrieval to nouveau.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drv.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 5b134438effe..c69719106489 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -851,12 +851,17 @@ extern int nouveau_dma_init(struct nouveau_channel *); extern int nouveau_dma_wait(struct nouveau_channel *, int slots, int size); /* nouveau_acpi.c */ +#define ROM_BIOS_PAGE 4096 #if defined(CONFIG_ACPI) void nouveau_register_dsm_handler(void); void nouveau_unregister_dsm_handler(void); +int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len); +bool nouveau_acpi_rom_supported(struct pci_dev *pdev); #else static inline void nouveau_register_dsm_handler(void) {} static inline void nouveau_unregister_dsm_handler(void) {} +static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; } +static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; } #endif /* nouveau_backlight.c */ |