diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bios.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 61 |
1 files changed, 38 insertions, 23 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index 80963d05b54a..2f11e16a81a9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -30,6 +30,7 @@ #include "nouveau_gpio.h" #include <linux/io-mapping.h> +#include <linux/firmware.h> /* these defines are made up */ #define NV_CIO_CRE_44_HEADA 0x0 @@ -195,35 +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; } } @@ -249,8 +239,12 @@ bios_shadow(struct drm_device *dev) struct drm_nouveau_private *dev_priv = dev->dev_private; struct nvbios *bios = &dev_priv->vbios; struct methods *mthd, *best; + const struct firmware *fw; + char fname[32]; + int ret; if (nouveau_vbios) { + /* try to match one of the built-in methods */ mthd = shadow_methods; do { if (strcasecmp(nouveau_vbios, mthd->desc)) @@ -263,6 +257,22 @@ bios_shadow(struct drm_device *dev) return true; } while ((++mthd)->shadow); + /* attempt to load firmware image */ + snprintf(fname, sizeof(fname), "nouveau/%s", nouveau_vbios); + ret = request_firmware(&fw, fname, &dev->pdev->dev); + if (ret == 0) { + bios->length = fw->size; + bios->data = kmemdup(fw->data, fw->size, GFP_KERNEL); + release_firmware(fw); + + NV_INFO(dev, "VBIOS image: %s\n", nouveau_vbios); + if (score_vbios(bios, 1)) + return true; + + kfree(bios->data); + bios->data = NULL; + } + NV_ERROR(dev, "VBIOS source \'%s\' invalid\n", nouveau_vbios); } @@ -273,6 +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; @@ -6156,10 +6167,14 @@ dcb_fake_connectors(struct nvbios *bios) /* heuristic: if we ever get a non-zero connector field, assume * that all the indices are valid and we don't need fake them. + * + * and, as usual, a blacklist of boards with bad bios data.. */ - for (i = 0; i < dcbt->entries; i++) { - if (dcbt->entry[i].connector) - return; + if (!nv_match_device(bios->dev, 0x0392, 0x107d, 0x20a2)) { + for (i = 0; i < dcbt->entries; i++) { + if (dcbt->entry[i].connector) + return; + } } /* no useful connector info available, we need to make it up |