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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgv100.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgv100.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgv100.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgv100.c
new file mode 100644
index 000000000..fdb624ac6
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgv100.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2018 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 "channv50.h"
+
+#include <core/ramht.h>
+#include <subdev/timer.h>
+
+static int
+gv100_disp_dmac_idle(struct nv50_disp_chan *chan)
+{
+ struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+ const u32 soff = (chan->chid.ctrl - 1) * 0x04;
+ nvkm_msec(device, 2000,
+ u32 stat = nvkm_rd32(device, 0x610664 + soff);
+ if ((stat & 0x000f0000) == 0x00040000)
+ return 0;
+ );
+ return -EBUSY;
+}
+
+int
+gv100_disp_dmac_bind(struct nv50_disp_chan *chan,
+ struct nvkm_object *object, u32 handle)
+{
+ return nvkm_ramht_insert(chan->disp->ramht, object,
+ chan->chid.user, -9, handle,
+ chan->chid.user << 25 | 0x00000040);
+}
+
+void
+gv100_disp_dmac_fini(struct nv50_disp_chan *chan)
+{
+ struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+ const u32 uoff = (chan->chid.ctrl - 1) * 0x1000;
+ const u32 coff = chan->chid.ctrl * 0x04;
+ nvkm_mask(device, 0x6104e0 + coff, 0x00000010, 0x00000000);
+ gv100_disp_dmac_idle(chan);
+ nvkm_mask(device, 0x6104e0 + coff, 0x00000002, 0x00000000);
+ chan->suspend_put = nvkm_rd32(device, 0x690000 + uoff);
+}
+
+int
+gv100_disp_dmac_init(struct nv50_disp_chan *chan)
+{
+ struct nvkm_subdev *subdev = &chan->disp->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ const u32 uoff = (chan->chid.ctrl - 1) * 0x1000;
+ const u32 poff = chan->chid.ctrl * 0x10;
+ const u32 coff = chan->chid.ctrl * 0x04;
+
+ nvkm_wr32(device, 0x610b24 + poff, lower_32_bits(chan->push));
+ nvkm_wr32(device, 0x610b20 + poff, upper_32_bits(chan->push));
+ nvkm_wr32(device, 0x610b28 + poff, 0x00000001);
+ nvkm_wr32(device, 0x610b2c + poff, 0x00000040);
+
+ nvkm_mask(device, 0x6104e0 + coff, 0x00000010, 0x00000010);
+ nvkm_wr32(device, 0x690000 + uoff, chan->suspend_put);
+ nvkm_wr32(device, 0x6104e0 + coff, 0x00000013);
+ return gv100_disp_dmac_idle(chan);
+}