diff options
author | Ben Skeggs <bskeggs@redhat.com> | 2015-08-20 07:54:19 +0300 |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2015-08-28 05:40:40 +0300 |
commit | 0ce41e3c66ca8958dec427f1c46f64efdda90f30 (patch) | |
tree | d2fbfbe40841488bfc8985af87d2ef7f663025eb /drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c | |
parent | 2a7909c0ade08c66690e6115ae49765dc47873e6 (diff) | |
download | linux-0ce41e3c66ca8958dec427f1c46f64efdda90f30.tar.xz |
drm/nouveau/disp: convert user classes to new-style nvkm_object
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c index fea8516220f3..165f9d47d11d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c @@ -25,7 +25,9 @@ #include "conn.h" #include "outp.h" +#include <core/client.h> #include <core/notify.h> +#include <core/oproxy.h> #include <subdev/bios.h> #include <subdev/bios/dcb.h> @@ -114,6 +116,66 @@ nvkm_disp_ntfy(struct nvkm_object *object, u32 type, struct nvkm_event **event) return -EINVAL; } +static void +nvkm_disp_class_del(struct nvkm_oproxy *oproxy) +{ + struct nvkm_disp *disp = nvkm_disp(oproxy->base.engine); + mutex_lock(&disp->engine.subdev.mutex); + if (disp->client == oproxy) + disp->client = NULL; + mutex_unlock(&disp->engine.subdev.mutex); +} + +static const struct nvkm_oproxy_func +nvkm_disp_class = { + .dtor[1] = nvkm_disp_class_del, +}; + +static int +nvkm_disp_class_new(struct nvkm_device *device, + const struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + const struct nvkm_disp_oclass *sclass = oclass->engn; + struct nvkm_disp *disp = nvkm_disp(oclass->engine); + struct nvkm_oproxy *oproxy; + int ret; + + ret = nvkm_oproxy_new_(&nvkm_disp_class, oclass, &oproxy); + if (ret) + return ret; + *pobject = &oproxy->base; + + mutex_lock(&disp->engine.subdev.mutex); + if (disp->client) { + mutex_unlock(&disp->engine.subdev.mutex); + return -EBUSY; + } + disp->client = oproxy; + mutex_unlock(&disp->engine.subdev.mutex); + + return sclass->ctor(disp, oclass, data, size, &oproxy->object); +} + +static const struct nvkm_device_oclass +nvkm_disp_sclass = { + .ctor = nvkm_disp_class_new, +}; + +static int +nvkm_disp_class_get(struct nvkm_oclass *oclass, int index, + const struct nvkm_device_oclass **class) +{ + struct nvkm_disp *disp = nvkm_disp(oclass->engine); + if (index == 0) { + oclass->base = disp->func->root->base; + oclass->engn = disp->func->root; + *class = &nvkm_disp_sclass; + return 0; + } + return 1; +} + int _nvkm_disp_fini(struct nvkm_object *object, bool suspend) { @@ -180,6 +242,11 @@ _nvkm_disp_dtor(struct nvkm_object *object) nvkm_engine_destroy(&disp->engine); } +static const struct nvkm_engine_func +nvkm_disp = { + .base.sclass = nvkm_disp_class_get, +}; + int nvkm_disp_create_(struct nvkm_object *parent, struct nvkm_object *engine, struct nvkm_oclass *oclass, int heads, const char *intname, @@ -203,6 +270,7 @@ nvkm_disp_create_(struct nvkm_object *parent, struct nvkm_object *engine, if (ret) return ret; + disp->engine.func = &nvkm_disp; INIT_LIST_HEAD(&disp->outp); INIT_LIST_HEAD(&disp->conn); |