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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/engine/disp/udisp.c
parentInitial commit. (diff)
downloadlinux-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.c115
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;
+}