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>

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
index 4797577..916a4b7 100644 (file)
--- 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 (file)
--- 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 (file)
--- 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 (file)
--- 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,