drm/nvc0/gr: better handling of fuc firmware
Allows per-chipset firmware to be installed, and keeps a copy in memory
for suspend/resume purposes.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c b/drivers/gpu/drm/nouveau/nvc0_graph.c
index 31a177f..dcb8d9a 100644
--- a/drivers/gpu/drm/nouveau/nvc0_graph.c
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.c
@@ -398,42 +398,22 @@
}
}
-static int
-nvc0_fuc_load_fw(struct drm_device *dev, u32 fuc_base,
- const char *code_fw, const char *data_fw)
+static void
+nvc0_graph_init_fuc(struct drm_device *dev, u32 fuc_base,
+ struct nvc0_graph_fuc *code, struct nvc0_graph_fuc *data)
{
- const struct firmware *fw;
- char name[32];
- int ret, i;
-
- snprintf(name, sizeof(name), "nouveau/%s", data_fw);
- ret = request_firmware(&fw, name, &dev->pdev->dev);
- if (ret) {
- NV_ERROR(dev, "failed to load %s\n", data_fw);
- return ret;
- }
+ int i;
nv_wr32(dev, fuc_base + 0x01c0, 0x01000000);
- for (i = 0; i < fw->size / 4; i++)
- nv_wr32(dev, fuc_base + 0x01c4, ((u32 *)fw->data)[i]);
- release_firmware(fw);
-
- snprintf(name, sizeof(name), "nouveau/%s", code_fw);
- ret = request_firmware(&fw, name, &dev->pdev->dev);
- if (ret) {
- NV_ERROR(dev, "failed to load %s\n", code_fw);
- return ret;
- }
+ for (i = 0; i < data->size / 4; i++)
+ nv_wr32(dev, fuc_base + 0x01c4, data->data[i]);
nv_wr32(dev, fuc_base + 0x0180, 0x01000000);
- for (i = 0; i < fw->size / 4; i++) {
+ for (i = 0; i < code->size / 4; i++) {
if ((i & 0x3f) == 0)
nv_wr32(dev, fuc_base + 0x0188, i >> 6);
- nv_wr32(dev, fuc_base + 0x0184, ((u32 *)fw->data)[i]);
+ nv_wr32(dev, fuc_base + 0x0184, code->data[i]);
}
- release_firmware(fw);
-
- return 0;
}
static int
@@ -441,18 +421,13 @@
{
struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
u32 r000260;
- int ret;
/* load fuc microcode */
r000260 = nv_mask(dev, 0x000260, 0x00000001, 0x00000000);
- ret = nvc0_fuc_load_fw(dev, 0x409000, "fuc409c", "fuc409d");
- if (ret == 0)
- ret = nvc0_fuc_load_fw(dev, 0x41a000, "fuc41ac", "fuc41ad");
+ nvc0_graph_init_fuc(dev, 0x409000, &priv->fuc409c, &priv->fuc409d);
+ nvc0_graph_init_fuc(dev, 0x41a000, &priv->fuc41ac, &priv->fuc41ad);
nv_wr32(dev, 0x000260, r000260);
- if (ret)
- return ret;
-
/* start both of them running */
nv_wr32(dev, 0x409840, 0xffffffff);
nv_wr32(dev, 0x41a10c, 0x00000000);
@@ -636,11 +611,51 @@
}
}
+static int
+nvc0_graph_create_fw(struct drm_device *dev, const char *fwname,
+ struct nvc0_graph_fuc *fuc)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ const struct firmware *fw;
+ char f[32];
+ int ret;
+
+ snprintf(f, sizeof(f), "nouveau/nv%02x_%s", dev_priv->chipset, fwname);
+ ret = request_firmware(&fw, f, &dev->pdev->dev);
+ if (ret) {
+ snprintf(f, sizeof(f), "nouveau/%s", fwname);
+ ret = request_firmware(&fw, f, &dev->pdev->dev);
+ if (ret) {
+ NV_ERROR(dev, "failed to load %s\n", fwname);
+ return ret;
+ }
+ }
+
+ fuc->size = fw->size;
+ fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);
+ release_firmware(fw);
+ return (fuc->data != NULL) ? 0 : -ENOMEM;
+}
+
+static void
+nvc0_graph_destroy_fw(struct nvc0_graph_fuc *fuc)
+{
+ if (fuc->data) {
+ kfree(fuc->data);
+ fuc->data = NULL;
+ }
+}
+
static void
nvc0_graph_destroy(struct drm_device *dev, int engine)
{
struct nvc0_graph_priv *priv = nv_engine(dev, engine);
+ nvc0_graph_destroy_fw(&priv->fuc409c);
+ nvc0_graph_destroy_fw(&priv->fuc409d);
+ nvc0_graph_destroy_fw(&priv->fuc41ac);
+ nvc0_graph_destroy_fw(&priv->fuc41ad);
+
nouveau_irq_unregister(dev, 12);
nouveau_irq_unregister(dev, 25);
@@ -686,6 +701,15 @@
nouveau_irq_register(dev, 12, nvc0_graph_isr);
nouveau_irq_register(dev, 25, nvc0_runk140_isr);
+ if (nvc0_graph_create_fw(dev, "fuc409c", &priv->fuc409c) ||
+ nvc0_graph_create_fw(dev, "fuc409d", &priv->fuc409d) ||
+ nvc0_graph_create_fw(dev, "fuc41ac", &priv->fuc41ac) ||
+ nvc0_graph_create_fw(dev, "fuc41ad", &priv->fuc41ad)) {
+ ret = 0;
+ goto error;
+ }
+
+
ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 256, 0, &priv->unk4188b4);
if (ret)
goto error;
@@ -777,3 +801,20 @@
nvc0_graph_destroy(dev, NVOBJ_ENGINE_GR);
return ret;
}
+
+MODULE_FIRMWARE("nouveau/nvc0_fuc409c");
+MODULE_FIRMWARE("nouveau/nvc0_fuc409d");
+MODULE_FIRMWARE("nouveau/nvc0_fuc41ac");
+MODULE_FIRMWARE("nouveau/nvc0_fuc41ad");
+MODULE_FIRMWARE("nouveau/nvc3_fuc409c");
+MODULE_FIRMWARE("nouveau/nvc3_fuc409d");
+MODULE_FIRMWARE("nouveau/nvc3_fuc41ac");
+MODULE_FIRMWARE("nouveau/nvc3_fuc41ad");
+MODULE_FIRMWARE("nouveau/nvc4_fuc409c");
+MODULE_FIRMWARE("nouveau/nvc4_fuc409d");
+MODULE_FIRMWARE("nouveau/nvc4_fuc41ac");
+MODULE_FIRMWARE("nouveau/nvc4_fuc41ad");
+MODULE_FIRMWARE("nouveau/fuc409c");
+MODULE_FIRMWARE("nouveau/fuc409d");
+MODULE_FIRMWARE("nouveau/fuc41ac");
+MODULE_FIRMWARE("nouveau/fuc41ad");