[PATCH v2 1/6] gr: use NVIDIA-provided external firmwares

[Alexandre Courbot]

NVIDIA will officially start providing GR firmwares through
linux-firmware for GPUs that require it. Change the GR firmware lookup
function to use these files.

Signed-off-by: Alexandre Courbot <acourbot at nvidia.com>
---
 drm/nouveau/nvkm/engine/gr/gf100.c | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/drm/nouveau/nvkm/engine/gr/gf100.c 
b/drm/nouveau/nvkm/engine/gr/gf100.c
index ca11ddb6ed46..454080339572 100644
--- a/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -1550,18 +1550,25 @@ gf100_gr_ctor_fw(struct gf100_gr_priv *priv, const char 
*fwname,
 {
        struct nvkm_device *device = nv_device(priv);
        const struct firmware *fw;
-       char f[32];
+       char f[64];
+       char cname[16];
        int ret;
+       int i;
+
+       /* Convert device name to lowercase */
+       strncpy(cname, device->cname, sizeof(cname));
+       cname[sizeof(cname) - 1] = '\0';
+       i = strlen(cname);
+       while (i) {
+               --i;
+               cname[i] = tolower(cname[i]);
+       }

-       snprintf(f, sizeof(f), "nouveau/nv%02x_%s", device->chipset, fwname);
+       snprintf(f, sizeof(f), "nvidia/%s/%s.bin", cname, fwname);
        ret = request_firmware(&fw, f, nv_device_base(device));
        if (ret) {
-               snprintf(f, sizeof(f), "nouveau/%s", fwname);
-               ret = request_firmware(&fw, f, nv_device_base(device));
-               if (ret) {
-                       nv_error(priv, "failed to load %s\n", fwname);
-                       return ret;
-               }
+               nv_error(priv, "failed to load %s\n", fwname);
+               return ret;
        }

        fuc->size = fw->size;
@@ -1615,10 +1622,10 @@ gf100_gr_ctor(struct nvkm_object *parent, struct 
nvkm_object *engine,

        if (use_ext_fw) {
                nv_info(priv, "using external firmware\n");
-               if (gf100_gr_ctor_fw(priv, "fuc409c", &priv->fuc409c) ||
-                   gf100_gr_ctor_fw(priv, "fuc409d", &priv->fuc409d) ||
-                   gf100_gr_ctor_fw(priv, "fuc41ac", &priv->fuc41ac) ||
-                   gf100_gr_ctor_fw(priv, "fuc41ad", &priv->fuc41ad))
+               if (gf100_gr_ctor_fw(priv, "fecs_inst", &priv->fuc409c) ||
+                   gf100_gr_ctor_fw(priv, "fecs_data", &priv->fuc409d) ||
+                   gf100_gr_ctor_fw(priv, "gpccs_inst", &priv->fuc41ac) ||
+                   gf100_gr_ctor_fw(priv, "gpccs_data", &priv->fuc41ad))
                        return -ENODEV;
                priv->firmware = true;
        }
-- 
2.4.4