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authorBen Skeggs <bskeggs@redhat.com>2017-11-01 03:56:19 +1000
committerBen Skeggs <bskeggs@redhat.com>2017-11-02 13:32:16 +1000
commit8e0042d505e86299544cf000e26408bdd252e36b (patch)
tree9311dcfbcaaa99c40f172a204046120d090a5c1d /drivers/gpu/drm
parent01326050391ceee2cf1b6c91c108414a35f40861 (diff)
downloadop-kernel-dev-8e0042d505e86299544cf000e26408bdd252e36b.zip
op-kernel-dev-8e0042d505e86299544cf000e26408bdd252e36b.tar.gz
drm/nouveau/core/object: plumb the unmap ioctl through
MMU will be using this for BAR mappings. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/core/object.h2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/core/ioctl.c1
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/core/object.c9
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/core/oproxy.c7
4 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
index 4797577..916a4b76 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
@@ -32,6 +32,7 @@ struct nvkm_object_func {
int (*ntfy)(struct nvkm_object *, u32 mthd, struct nvkm_event **);
int (*map)(struct nvkm_object *, void *argv, u32 argc,
enum nvkm_object_map *, u64 *addr, u64 *size);
+ int (*unmap)(struct nvkm_object *);
int (*rd08)(struct nvkm_object *, u64 addr, u8 *data);
int (*rd16)(struct nvkm_object *, u64 addr, u16 *data);
int (*rd32)(struct nvkm_object *, u64 addr, u32 *data);
@@ -58,6 +59,7 @@ int nvkm_object_mthd(struct nvkm_object *, u32 mthd, void *data, u32 size);
int nvkm_object_ntfy(struct nvkm_object *, u32 mthd, struct nvkm_event **);
int nvkm_object_map(struct nvkm_object *, void *argv, u32 argc,
enum nvkm_object_map *, u64 *addr, u64 *size);
+int nvkm_object_unmap(struct nvkm_object *);
int nvkm_object_rd08(struct nvkm_object *, u64 addr, u8 *data);
int nvkm_object_rd16(struct nvkm_object *, u64 addr, u16 *data);
int nvkm_object_rd32(struct nvkm_object *, u64 addr, u32 *data);
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c
index bf2507f..a28018e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c
@@ -287,6 +287,7 @@ nvkm_ioctl_unmap(struct nvkm_client *client,
nvif_ioctl(object, "unmap size %d\n", size);
if (!(ret = nvif_unvers(ret, &data, &size, args->none))) {
nvif_ioctl(object, "unmap\n");
+ ret = nvkm_object_unmap(object);
}
return ret;
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/object.c b/drivers/gpu/drm/nouveau/nvkm/core/object.c
index 516e73a..301a5e5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/object.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/object.c
@@ -111,6 +111,14 @@ nvkm_object_map(struct nvkm_object *object, void *argv, u32 argc,
}
int
+nvkm_object_unmap(struct nvkm_object *object)
+{
+ if (likely(object->func->unmap))
+ return object->func->unmap(object);
+ return -ENODEV;
+}
+
+int
nvkm_object_rd08(struct nvkm_object *object, u64 addr, u8 *data)
{
if (likely(object->func->rd08))
@@ -260,6 +268,7 @@ nvkm_object_dtor(struct nvkm_object *object)
}
nvif_debug(object, "destroy running...\n");
+ nvkm_object_unmap(object);
if (object->func->dtor)
data = object->func->dtor(object);
nvkm_engine_unref(&object->engine);
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/oproxy.c b/drivers/gpu/drm/nouveau/nvkm/core/oproxy.c
index e7dd15b..1629983 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/oproxy.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/oproxy.c
@@ -45,6 +45,12 @@ nvkm_oproxy_map(struct nvkm_object *object, void *argv, u32 argc,
}
static int
+nvkm_oproxy_unmap(struct nvkm_object *object)
+{
+ return nvkm_object_unmap(nvkm_oproxy(object)->object);
+}
+
+static int
nvkm_oproxy_rd08(struct nvkm_object *object, u64 addr, u8 *data)
{
return nvkm_object_rd08(nvkm_oproxy(object)->object, addr, data);
@@ -173,6 +179,7 @@ nvkm_oproxy_func = {
.mthd = nvkm_oproxy_mthd,
.ntfy = nvkm_oproxy_ntfy,
.map = nvkm_oproxy_map,
+ .unmap = nvkm_oproxy_unmap,
.rd08 = nvkm_oproxy_rd08,
.rd16 = nvkm_oproxy_rd16,
.rd32 = nvkm_oproxy_rd32,
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