diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index 524f283263a9..2f11e16a81a9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -196,35 +196,24 @@ static void bios_shadow_acpi(struct nvbios *bios) { struct pci_dev *pdev = bios->dev->pdev; - int ptr, len, ret; - u8 data[3]; + int cnt = 65536 / ROM_BIOS_PAGE; + int ret; if (!nouveau_acpi_rom_supported(pdev)) return; - ret = nouveau_acpi_get_bios_chunk(data, 0, sizeof(data)); - if (ret != sizeof(data)) - return; - - bios->length = min(data[2] * 512, 65536); - bios->data = kmalloc(bios->length, GFP_KERNEL); + bios->data = kmalloc(cnt * ROM_BIOS_PAGE, GFP_KERNEL); if (!bios->data) return; - len = bios->length; - ptr = 0; - while (len) { - int size = (len > ROM_BIOS_PAGE) ? ROM_BIOS_PAGE : len; - - ret = nouveau_acpi_get_bios_chunk(bios->data, ptr, size); - if (ret != size) { - kfree(bios->data); - bios->data = NULL; + bios->length = 0; + while (cnt--) { + ret = nouveau_acpi_get_bios_chunk(bios->data, bios->length, + ROM_BIOS_PAGE); + if (ret != ROM_BIOS_PAGE) return; - } - len -= size; - ptr += size; + bios->length += ROM_BIOS_PAGE; } } @@ -294,6 +283,7 @@ bios_shadow(struct drm_device *dev) mthd->score = score_vbios(bios, mthd->rw); mthd->size = bios->length; mthd->data = bios->data; + bios->data = NULL; } while (mthd->score != 3 && (++mthd)->shadow); mthd = shadow_methods; |