drm/nouveau/gr/gf100: use the nvkm_firmware functions

#include <core/client.h>

#include <core/option.h>

#include <core/firmware.h>

#include <subdev/fb.h>

#include <subdev/mc.h>

#include <subdev/pmu.h>

	struct nvkm_subdev *subdev = &gr->base.engine.subdev;

	struct nvkm_device *device = subdev->device;

	const struct firmware *fw;

	char f[64];

	char cname[16];

	int ret;

	int i;

	/* Convert device name to lowercase */

	strncpy(cname, device->chip->name, sizeof(cname));

	cname[sizeof(cname) - 1] = '\0';

	i = strlen(cname);

	while (i) {

		--i;

		cname[i] = tolower(cname[i]);

	}

	snprintf(f, sizeof(f), "nvidia/%s/%s.bin", cname, fwname);

	ret = request_firmware(&fw, f, device->dev);

	ret = nvkm_firmware_get(device, fwname, &fw);

	if (ret) {

		nvkm_error(subdev, "failed to load %s\n", fwname);

		return ret;

	fuc->size = fw->size;

	fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);

	release_firmware(fw);

	nvkm_firmware_put(fw);

	return (fuc->data != NULL) ? 0 : -ENOMEM;

}