There's no good reason the ioremap() that results from nvif_object_map() should fail, so add a check that the map succeeded, and remove the rd/wr methods from display channel objects. As this was the last user of rd/wr methods, the nvif plumbing is removed at the same time. Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx> --- drivers/gpu/drm/nouveau/dispnv50/disp.c | 7 ++- drivers/gpu/drm/nouveau/include/nvif/ioctl.h | 20 -------- drivers/gpu/drm/nouveau/include/nvif/object.h | 17 ++----- .../drm/nouveau/include/nvkm/core/object.h | 4 -- drivers/gpu/drm/nouveau/nvif/object.c | 37 -------------- drivers/gpu/drm/nouveau/nvkm/core/ioctl.c | 49 +------------------ drivers/gpu/drm/nouveau/nvkm/core/object.c | 16 ------ drivers/gpu/drm/nouveau/nvkm/core/oproxy.c | 14 ------ .../gpu/drm/nouveau/nvkm/engine/disp/chan.c | 24 --------- 9 files changed, 10 insertions(+), 178 deletions(-) diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c index ac9657d7e92d..7119cbde3f01 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -93,8 +93,11 @@ nv50_chan_create(struct nvif_device *device, struct nvif_object *disp, ret = nvif_object_ctor(disp, "kmsChan", 0, oclass[0], data, size, &chan->user); - if (ret == 0) - nvif_object_map(&chan->user, NULL, 0); + if (ret == 0) { + ret = nvif_object_map(&chan->user, NULL, 0); + if (ret) + nvif_object_dtor(&chan->user); + } nvif_object_sclass_put(&sclass); return ret; } diff --git a/drivers/gpu/drm/nouveau/include/nvif/ioctl.h b/drivers/gpu/drm/nouveau/include/nvif/ioctl.h index 1e74245621e0..e825c8a1d9ca 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/ioctl.h +++ b/drivers/gpu/drm/nouveau/include/nvif/ioctl.h @@ -8,8 +8,6 @@ struct nvif_ioctl_v0 { #define NVIF_IOCTL_V0_NEW 0x02 #define NVIF_IOCTL_V0_DEL 0x03 #define NVIF_IOCTL_V0_MTHD 0x04 -#define NVIF_IOCTL_V0_RD 0x05 -#define NVIF_IOCTL_V0_WR 0x06 #define NVIF_IOCTL_V0_MAP 0x07 #define NVIF_IOCTL_V0_UNMAP 0x08 __u8 type; @@ -60,24 +58,6 @@ struct nvif_ioctl_mthd_v0 { __u8 data[]; /* method data (class.h) */ }; -struct nvif_ioctl_rd_v0 { - /* nvif_ioctl ... */ - __u8 version; - __u8 size; - __u8 pad02[2]; - __u32 data; - __u64 addr; -}; - -struct nvif_ioctl_wr_v0 { - /* nvif_ioctl ... */ - __u8 version; - __u8 size; - __u8 pad02[2]; - __u32 data; - __u64 addr; -}; - struct nvif_ioctl_map_v0 { /* nvif_ioctl ... */ __u8 version; diff --git a/drivers/gpu/drm/nouveau/include/nvif/object.h b/drivers/gpu/drm/nouveau/include/nvif/object.h index 478cbb8f2dfe..8d205b6af46a 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/object.h +++ b/drivers/gpu/drm/nouveau/include/nvif/object.h @@ -34,8 +34,6 @@ void nvif_object_dtor(struct nvif_object *); int nvif_object_ioctl(struct nvif_object *, void *, u32, void **); int nvif_object_sclass_get(struct nvif_object *, struct nvif_sclass **); void nvif_object_sclass_put(struct nvif_sclass **); -u32 nvif_object_rd(struct nvif_object *, int, u64); -void nvif_object_wr(struct nvif_object *, int, u64, u32); int nvif_object_mthd(struct nvif_object *, u32, void *, u32); int nvif_object_map_handle(struct nvif_object *, void *, u32, u64 *handle, u64 *length); @@ -47,20 +45,11 @@ void nvif_object_unmap(struct nvif_object *); #define nvif_object(a) (a)->object #define nvif_rd(a,f,b,c) ({ \ - struct nvif_object *_object = (a); \ - u32 _data; \ - if (likely(_object->map.ptr)) \ - _data = f((u8 __iomem *)_object->map.ptr + (c)); \ - else \ - _data = nvif_object_rd(_object, (b), (c)); \ + u32 _data = f((u8 __iomem *)(a)->map.ptr + (c)); \ _data; \ }) #define nvif_wr(a,f,b,c,d) ({ \ - struct nvif_object *_object = (a); \ - if (likely(_object->map.ptr)) \ - f((d), (u8 __iomem *)_object->map.ptr + (c)); \ - else \ - nvif_object_wr(_object, (b), (c), (d)); \ + f((d), (u8 __iomem *)(a)->map.ptr + (c)); \ }) #define nvif_rd08(a,b) ({ ((u8)nvif_rd((a), ioread8, 1, (b))); }) #define nvif_rd16(a,b) ({ ((u16)nvif_rd((a), ioread16_native, 2, (b))); }) @@ -69,7 +58,7 @@ void nvif_object_unmap(struct nvif_object *); #define nvif_wr16(a,b,c) nvif_wr((a), iowrite16_native, 2, (b), (u16)(c)) #define nvif_wr32(a,b,c) nvif_wr((a), iowrite32_native, 4, (b), (u32)(c)) #define nvif_mask(a,b,c,d) ({ \ - struct nvif_object *__object = (a); \ + typeof(a) __object = (a); \ u32 _addr = (b), _data = nvif_rd32(__object, _addr); \ nvif_wr32(__object, _addr, (_data & ~(c)) | (d)); \ _data; \ diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h index c91abac44bd6..10107ef3ca49 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h @@ -33,8 +33,6 @@ struct nvkm_object_func { int (*map)(struct nvkm_object *, void *argv, u32 argc, enum nvkm_object_map *, u64 *addr, u64 *size); int (*unmap)(struct nvkm_object *); - int (*rd32)(struct nvkm_object *, u64 addr, u32 *data); - int (*wr32)(struct nvkm_object *, u64 addr, u32 data); int (*bind)(struct nvkm_object *, struct nvkm_gpuobj *, int align, struct nvkm_gpuobj **); int (*sclass)(struct nvkm_object *, int index, struct nvkm_oclass *); @@ -57,8 +55,6 @@ 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_rd32(struct nvkm_object *, u64 addr, u32 *data); -int nvkm_object_wr32(struct nvkm_object *, u64 addr, u32 data); int nvkm_object_bind(struct nvkm_object *, struct nvkm_gpuobj *, int align, struct nvkm_gpuobj **); diff --git a/drivers/gpu/drm/nouveau/nvif/object.c b/drivers/gpu/drm/nouveau/nvif/object.c index 2b3e05197846..8a2a7bfec2f8 100644 --- a/drivers/gpu/drm/nouveau/nvif/object.c +++ b/drivers/gpu/drm/nouveau/nvif/object.c @@ -97,43 +97,6 @@ nvif_object_sclass_get(struct nvif_object *object, struct nvif_sclass **psclass) return ret; } -u32 -nvif_object_rd(struct nvif_object *object, int size, u64 addr) -{ - struct { - struct nvif_ioctl_v0 ioctl; - struct nvif_ioctl_rd_v0 rd; - } args = { - .ioctl.type = NVIF_IOCTL_V0_RD, - .rd.size = size, - .rd.addr = addr, - }; - int ret = nvif_object_ioctl(object, &args, sizeof(args), NULL); - if (ret) { - /*XXX: warn? */ - return 0; - } - return args.rd.data; -} - -void -nvif_object_wr(struct nvif_object *object, int size, u64 addr, u32 data) -{ - struct { - struct nvif_ioctl_v0 ioctl; - struct nvif_ioctl_wr_v0 wr; - } args = { - .ioctl.type = NVIF_IOCTL_V0_WR, - .wr.size = size, - .wr.addr = addr, - .wr.data = data, - }; - int ret = nvif_object_ioctl(object, &args, sizeof(args), NULL); - if (ret) { - /*XXX: warn? */ - } -} - int nvif_object_mthd(struct nvif_object *object, u32 mthd, void *data, u32 size) { diff --git a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c index 95e9537e1d7c..45051a1249da 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c @@ -191,59 +191,14 @@ static int nvkm_ioctl_rd(struct nvkm_client *client, struct nvkm_object *object, void *data, u32 size) { - union { - struct nvif_ioctl_rd_v0 v0; - } *args = data; - union { - u8 b08; - u16 b16; - u32 b32; - } v; - int ret = -ENOSYS; - - nvif_ioctl(object, "rd size %d\n", size); - if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { - nvif_ioctl(object, "rd vers %d size %d addr %016llx\n", - args->v0.version, args->v0.size, args->v0.addr); - switch (args->v0.size) { - case 4: - ret = nvkm_object_rd32(object, args->v0.addr, &v.b32); - args->v0.data = v.b32; - break; - default: - ret = -EINVAL; - break; - } - } - - return ret; + return -ENOSYS; } static int nvkm_ioctl_wr(struct nvkm_client *client, struct nvkm_object *object, void *data, u32 size) { - union { - struct nvif_ioctl_wr_v0 v0; - } *args = data; - int ret = -ENOSYS; - - nvif_ioctl(object, "wr size %d\n", size); - if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { - nvif_ioctl(object, - "wr vers %d size %d addr %016llx data %08x\n", - args->v0.version, args->v0.size, args->v0.addr, - args->v0.data); - } else - return ret; - - switch (args->v0.size) { - case 4: return nvkm_object_wr32(object, args->v0.addr, args->v0.data); - default: - break; - } - - return -EINVAL; + return -ENOSYS; } static int diff --git a/drivers/gpu/drm/nouveau/nvkm/core/object.c b/drivers/gpu/drm/nouveau/nvkm/core/object.c index 913c3bae51f7..390c265cf8af 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/object.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/object.c @@ -132,22 +132,6 @@ nvkm_object_unmap(struct nvkm_object *object) return -ENODEV; } -int -nvkm_object_rd32(struct nvkm_object *object, u64 addr, u32 *data) -{ - if (likely(object->func->rd32)) - return object->func->rd32(object, addr, data); - return -ENODEV; -} - -int -nvkm_object_wr32(struct nvkm_object *object, u64 addr, u32 data) -{ - if (likely(object->func->wr32)) - return object->func->wr32(object, addr, data); - return -ENODEV; -} - int nvkm_object_bind(struct nvkm_object *object, struct nvkm_gpuobj *gpuobj, int align, struct nvkm_gpuobj **pgpuobj) diff --git a/drivers/gpu/drm/nouveau/nvkm/core/oproxy.c b/drivers/gpu/drm/nouveau/nvkm/core/oproxy.c index afc10ec256a7..5db80d1780f0 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/oproxy.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/oproxy.c @@ -55,18 +55,6 @@ nvkm_oproxy_unmap(struct nvkm_object *object) return nvkm_object_unmap(oproxy->object); } -static int -nvkm_oproxy_rd32(struct nvkm_object *object, u64 addr, u32 *data) -{ - return nvkm_object_rd32(nvkm_oproxy(object)->object, addr, data); -} - -static int -nvkm_oproxy_wr32(struct nvkm_object *object, u64 addr, u32 data) -{ - return nvkm_object_wr32(nvkm_oproxy(object)->object, addr, data); -} - static int nvkm_oproxy_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, int align, struct nvkm_gpuobj **pgpuobj) @@ -173,8 +161,6 @@ nvkm_oproxy_func = { .ntfy = nvkm_oproxy_ntfy, .map = nvkm_oproxy_map, .unmap = nvkm_oproxy_unmap, - .rd32 = nvkm_oproxy_rd32, - .wr32 = nvkm_oproxy_wr32, .bind = nvkm_oproxy_bind, .sclass = nvkm_oproxy_sclass, .uevent = nvkm_oproxy_uevent, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/chan.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/chan.c index d5e18daed79f..4e43ee383c34 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/chan.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/chan.c @@ -26,28 +26,6 @@ #include <nvif/if0014.h> -static int -nvkm_disp_chan_rd32(struct nvkm_object *object, u64 addr, u32 *data) -{ - struct nvkm_disp_chan *chan = nvkm_disp_chan(object); - struct nvkm_device *device = chan->disp->engine.subdev.device; - u64 size, base = chan->func->user(chan, &size); - - *data = nvkm_rd32(device, base + addr); - return 0; -} - -static int -nvkm_disp_chan_wr32(struct nvkm_object *object, u64 addr, u32 data) -{ - struct nvkm_disp_chan *chan = nvkm_disp_chan(object); - struct nvkm_device *device = chan->disp->engine.subdev.device; - u64 size, base = chan->func->user(chan, &size); - - nvkm_wr32(device, base + addr, data); - return 0; -} - static int nvkm_disp_chan_ntfy(struct nvkm_object *object, u32 type, struct nvkm_event **pevent) { @@ -188,8 +166,6 @@ nvkm_disp_chan = { .dtor = nvkm_disp_chan_dtor, .init = nvkm_disp_chan_init, .fini = nvkm_disp_chan_fini, - .rd32 = nvkm_disp_chan_rd32, - .wr32 = nvkm_disp_chan_wr32, .ntfy = nvkm_disp_chan_ntfy, .map = nvkm_disp_chan_map, .sclass = nvkm_disp_chan_child_get, -- 2.44.0