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authorBen Skeggs <bskeggs@redhat.com>2018-05-08 13:39:47 +0300
committerBen Skeggs <bskeggs@redhat.com>2018-05-18 08:01:26 +0300
commit0d4a2c5767dc6136079b11ed45934143d309026e (patch)
treeafbd16202f37e1d7905b5f6da5c5f2c0261eb3f1 /drivers/gpu/drm/nouveau/include/nvif
parent512fa0b8a398539c3c2db251f6c40da4ef065d09 (diff)
downloadlinux-0d4a2c5767dc6136079b11ed45934143d309026e.tar.xz
drm/nouveau/kms: move display class instantiation to library
This function is useful outside of DRM code. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvif')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvif/disp.h12
-rw-r--r--drivers/gpu/drm/nouveau/include/nvif/object.h16
2 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/disp.h b/drivers/gpu/drm/nouveau/include/nvif/disp.h
new file mode 100644
index 000000000000..7c0eda375c01
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvif/disp.h
@@ -0,0 +1,12 @@
+#ifndef __NVIF_DISP_H__
+#define __NVIF_DISP_H__
+#include <nvif/object.h>
+struct nvif_device;
+
+struct nvif_disp {
+ struct nvif_object object;
+};
+
+int nvif_disp_ctor(struct nvif_device *, s32 oclass, struct nvif_disp *);
+void nvif_disp_dtor(struct nvif_disp *);
+#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvif/object.h b/drivers/gpu/drm/nouveau/include/nvif/object.h
index a2d5244ff2b7..20754d9e6883 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/object.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/object.h
@@ -99,6 +99,22 @@ struct nvif_mclass {
ret; \
})
+#define nvif_sclass(o,m,u) ({ \
+ const typeof(m[0]) *_mclass = (m); \
+ s32 _oclass = (u); \
+ int _cid; \
+ if (_oclass) { \
+ for (_cid = 0; _mclass[_cid].oclass; _cid++) { \
+ if (_mclass[_cid].oclass == _oclass) \
+ break; \
+ } \
+ _cid = _mclass[_cid].oclass ? _cid : -ENOSYS; \
+ } else { \
+ _cid = nvif_mclass((o), _mclass); \
+ } \
+ _cid; \
+})
+
/*XXX*/
#include <core/object.h>
#define nvxx_object(a) ({ \