diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/firmware.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/firmware.c | 67 |
1 files changed, 45 insertions, 22 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/firmware.c b/drivers/gpu/drm/nouveau/nvkm/core/firmware.c index 092acdec2c39..8b25367917ca 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/firmware.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/firmware.c @@ -22,6 +22,40 @@ #include <core/device.h> #include <core/firmware.h> +int +nvkm_firmware_load_name(const struct nvkm_subdev *subdev, const char *base, + const char *name, int ver, const struct firmware **pfw) +{ + char path[64]; + int ret; + + snprintf(path, sizeof(path), "%s%s", base, name); + ret = nvkm_firmware_get(subdev, path, ver, pfw); + if (ret < 0) + return ret; + + return 0; +} + +int +nvkm_firmware_load_blob(const struct nvkm_subdev *subdev, const char *base, + const char *name, int ver, struct nvkm_blob *blob) +{ + const struct firmware *fw; + int ret; + + ret = nvkm_firmware_load_name(subdev, base, name, ver, &fw); + if (ret == 0) { + blob->data = kmemdup(fw->data, fw->size, GFP_KERNEL); + blob->size = fw->size; + nvkm_firmware_put(fw); + if (!blob->data) + return -ENOMEM; + } + + return ret; +} + /** * nvkm_firmware_get - load firmware from the official nvidia/chip/ directory * @subdev subdevice that will use that firmware @@ -32,9 +66,8 @@ * Firmware files released by NVIDIA will always follow this format. */ int -nvkm_firmware_get_version(const struct nvkm_subdev *subdev, const char *fwname, - int min_version, int max_version, - const struct firmware **fw) +nvkm_firmware_get(const struct nvkm_subdev *subdev, const char *fwname, int ver, + const struct firmware **fw) { struct nvkm_device *device = subdev->device; char f[64]; @@ -50,31 +83,21 @@ nvkm_firmware_get_version(const struct nvkm_subdev *subdev, const char *fwname, cname[i] = tolower(cname[i]); } - for (i = max_version; i >= min_version; i--) { - if (i != 0) - snprintf(f, sizeof(f), "nvidia/%s/%s-%d.bin", cname, fwname, i); - else - snprintf(f, sizeof(f), "nvidia/%s/%s.bin", cname, fwname); - - if (!firmware_request_nowarn(fw, f, device->dev)) { - nvkm_debug(subdev, "firmware \"%s\" loaded\n", f); - return i; - } + if (ver != 0) + snprintf(f, sizeof(f), "nvidia/%s/%s-%d.bin", cname, fwname, ver); + else + snprintf(f, sizeof(f), "nvidia/%s/%s.bin", cname, fwname); - nvkm_debug(subdev, "firmware \"%s\" unavailable\n", f); + if (!firmware_request_nowarn(fw, f, device->dev)) { + nvkm_debug(subdev, "firmware \"%s\" loaded - %zu byte(s)\n", + f, (*fw)->size); + return 0; } - nvkm_error(subdev, "failed to load firmware \"%s\"", fwname); + nvkm_debug(subdev, "firmware \"%s\" unavailable\n", f); return -ENOENT; } -int -nvkm_firmware_get(const struct nvkm_subdev *subdev, const char *fwname, - const struct firmware **fw) -{ - return nvkm_firmware_get_version(subdev, fwname, 0, 0, fw); -} - /** * nvkm_firmware_put - release firmware loaded with nvkm_firmware_get */ |