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path: root/drivers/gpu/drm/nouveau/core/engine/falcon.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/falcon.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/falcon.c45
1 files changed, 37 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/falcon.c b/drivers/gpu/drm/nouveau/core/engine/falcon.c
index 3c7a31f7590..2914646c870 100644
--- a/drivers/gpu/drm/nouveau/core/engine/falcon.c
+++ b/drivers/gpu/drm/nouveau/core/engine/falcon.c
@@ -23,6 +23,25 @@
#include <engine/falcon.h>
#include <subdev/timer.h>
+void
+nouveau_falcon_intr(struct nouveau_subdev *subdev)
+{
+ struct nouveau_falcon *falcon = (void *)subdev;
+ u32 dispatch = nv_ro32(falcon, 0x01c);
+ u32 intr = nv_ro32(falcon, 0x008) & dispatch & ~(dispatch >> 16);
+
+ if (intr & 0x00000010) {
+ nv_debug(falcon, "ucode halted\n");
+ nv_wo32(falcon, 0x004, 0x00000010);
+ intr &= ~0x00000010;
+ }
+
+ if (intr) {
+ nv_error(falcon, "unhandled intr 0x%08x\n", intr);
+ nv_wo32(falcon, 0x004, intr);
+ }
+}
+
u32
_nouveau_falcon_rd32(struct nouveau_object *object, u64 addr)
{
@@ -37,6 +56,16 @@ _nouveau_falcon_wr32(struct nouveau_object *object, u64 addr, u32 data)
nv_wr32(falcon, falcon->addr + addr, data);
}
+static void *
+vmemdup(const void *src, size_t len)
+{
+ void *p = vmalloc(len);
+
+ if (p)
+ memcpy(p, src, len);
+ return p;
+}
+
int
_nouveau_falcon_init(struct nouveau_object *object)
{
@@ -90,9 +119,9 @@ _nouveau_falcon_init(struct nouveau_object *object)
snprintf(name, sizeof(name), "nouveau/nv%02x_fuc%03x",
device->chipset, falcon->addr >> 12);
- ret = request_firmware(&fw, name, &device->pdev->dev);
+ ret = request_firmware(&fw, name, nv_device_base(device));
if (ret == 0) {
- falcon->code.data = kmemdup(fw->data, fw->size, GFP_KERNEL);
+ falcon->code.data = vmemdup(fw->data, fw->size);
falcon->code.size = fw->size;
falcon->data.data = NULL;
falcon->data.size = 0;
@@ -109,13 +138,13 @@ _nouveau_falcon_init(struct nouveau_object *object)
snprintf(name, sizeof(name), "nouveau/nv%02x_fuc%03xd",
device->chipset, falcon->addr >> 12);
- ret = request_firmware(&fw, name, &device->pdev->dev);
+ ret = request_firmware(&fw, name, nv_device_base(device));
if (ret) {
nv_error(falcon, "unable to load firmware data\n");
return ret;
}
- falcon->data.data = kmemdup(fw->data, fw->size, GFP_KERNEL);
+ falcon->data.data = vmemdup(fw->data, fw->size);
falcon->data.size = fw->size;
release_firmware(fw);
if (!falcon->data.data)
@@ -124,13 +153,13 @@ _nouveau_falcon_init(struct nouveau_object *object)
snprintf(name, sizeof(name), "nouveau/nv%02x_fuc%03xc",
device->chipset, falcon->addr >> 12);
- ret = request_firmware(&fw, name, &device->pdev->dev);
+ ret = request_firmware(&fw, name, nv_device_base(device));
if (ret) {
nv_error(falcon, "unable to load firmware code\n");
return ret;
}
- falcon->code.data = kmemdup(fw->data, fw->size, GFP_KERNEL);
+ falcon->code.data = vmemdup(fw->data, fw->size);
falcon->code.size = fw->size;
release_firmware(fw);
if (!falcon->code.data)
@@ -216,8 +245,8 @@ _nouveau_falcon_fini(struct nouveau_object *object, bool suspend)
if (!suspend) {
nouveau_gpuobj_ref(NULL, &falcon->core);
if (falcon->external) {
- kfree(falcon->data.data);
- kfree(falcon->code.data);
+ vfree(falcon->data.data);
+ vfree(falcon->code.data);
falcon->code.data = NULL;
}
}