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

Use the nvkm_firmware_* functions when loading external firmware to
avoid duplicate code.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c

@@ -27,6 +27,7 @@
 
 #include <core/client.h>
 #include <core/option.h>
+#include <core/firmware.h>
 #include <subdev/fb.h>
 #include <subdev/mc.h>
 #include <subdev/pmu.h>
@@ -1720,22 +1721,9 @@ gf100_gr_ctor_fw(struct gf100_gr *gr, const char *fwname,
 	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;
@@ -1743,7 +1731,7 @@ gf100_gr_ctor_fw(struct gf100_gr *gr, const char *fwname,
 
 	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;
 }