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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/engine/disp/udisp.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/udisp.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/udisp.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/udisp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/udisp.c new file mode 100644 index 000000000..0841e7ce0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/udisp.c @@ -0,0 +1,115 @@ +/* + * Copyright 2021 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#include "priv.h" +#include "conn.h" +#include "outp.h" + +#include <nvif/class.h> +#include <nvif/if0010.h> + +static int +nvkm_udisp_sclass(struct nvkm_object *object, int index, struct nvkm_oclass *sclass) +{ + struct nvkm_disp *disp = nvkm_udisp(object); + + if (index-- == 0) { + sclass->base = (struct nvkm_sclass) { 0, 0, NVIF_CLASS_CONN }; + sclass->ctor = nvkm_uconn_new; + return 0; + } + + if (index-- == 0) { + sclass->base = (struct nvkm_sclass) { 0, 0, NVIF_CLASS_OUTP }; + sclass->ctor = nvkm_uoutp_new; + return 0; + } + + if (disp->func->user[index].ctor) { + sclass->base = disp->func->user[index].base; + sclass->ctor = disp->func->user[index].ctor; + return 0; + } + + return -EINVAL; +} + +static int +nvkm_udisp_mthd(struct nvkm_object *object, u32 mthd, void *argv, u32 argc) +{ + struct nvkm_disp *disp = nvkm_udisp(object); + + if (disp->engine.subdev.device->card_type >= NV_50) + return nv50_disp_root_mthd_(object, mthd, argv, argc); + + return nv04_disp_mthd(object, mthd, argv, argc); +} + +static void * +nvkm_udisp_dtor(struct nvkm_object *object) +{ + struct nvkm_disp *disp = nvkm_udisp(object); + + spin_lock(&disp->client.lock); + if (object == &disp->client.object) + disp->client.object.func = NULL; + spin_unlock(&disp->client.lock); + return NULL; +} + +static const struct nvkm_object_func +nvkm_udisp = { + .dtor = nvkm_udisp_dtor, + .mthd = nvkm_udisp_mthd, + .ntfy = nvkm_disp_ntfy, + .sclass = nvkm_udisp_sclass, +}; + +int +nvkm_udisp_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, struct nvkm_object **pobject) +{ + struct nvkm_disp *disp = nvkm_disp(oclass->engine); + struct nvkm_conn *conn; + struct nvkm_outp *outp; + union nvif_disp_args *args = argv; + + if (argc != sizeof(args->v0) || args->v0.version != 0) + return -ENOSYS; + + spin_lock(&disp->client.lock); + if (disp->client.object.func) { + spin_unlock(&disp->client.lock); + return -EBUSY; + } + nvkm_object_ctor(&nvkm_udisp, oclass, &disp->client.object); + *pobject = &disp->client.object; + spin_unlock(&disp->client.lock); + + args->v0.conn_mask = 0; + list_for_each_entry(conn, &disp->conns, head) + args->v0.conn_mask |= BIT(conn->index); + + args->v0.outp_mask = 0; + list_for_each_entry(outp, &disp->outps, head) + args->v0.outp_mask |= BIT(outp->index); + + return 0; +} |