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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/subdev/top/ga100.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/subdev/top/ga100.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c
new file mode 100644
index 000000000..c982d834c
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c
@@ -0,0 +1,108 @@
+/*
+ * 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"
+
+static int
+ga100_top_oneinit(struct nvkm_top *top)
+{
+ struct nvkm_subdev *subdev = &top->subdev;
+ struct nvkm_device *device = subdev->device;
+ struct nvkm_top_device *info = NULL;
+ u32 data, type, inst;
+ int i, n, size = nvkm_rd32(device, 0x0224fc) >> 20;
+
+ for (i = 0, n = 0; i < size; i++) {
+ if (!info) {
+ if (!(info = nvkm_top_device_new(top)))
+ return -ENOMEM;
+ type = ~0;
+ inst = 0;
+ }
+
+ data = nvkm_rd32(device, 0x022800 + (i * 0x04));
+ nvkm_trace(subdev, "%02x: %08x\n", i, data);
+ if (!data && n == 0)
+ continue;
+
+ switch (n++) {
+ case 0:
+ type = (data & 0x3f000000) >> 24;
+ inst = (data & 0x000f0000) >> 16;
+ info->fault = (data & 0x0000007f);
+ break;
+ case 1:
+ info->addr = (data & 0x00fff000);
+ info->reset = (data & 0x0000001f);
+ break;
+ case 2:
+ info->runlist = (data & 0x00fffc00);
+ info->engine = (data & 0x00000003);
+ break;
+ default:
+ break;
+ }
+
+ if (data & 0x80000000)
+ continue;
+ n = 0;
+
+ /* Translate engine type to NVKM engine identifier. */
+#define I_(T,I) do { info->type = (T); info->inst = (I); } while(0)
+#define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0)
+ switch (type) {
+ case 0x00000000: O_(NVKM_ENGINE_GR , 0); break;
+ case 0x0000000d: O_(NVKM_ENGINE_SEC2 , 0); break;
+ case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break;
+ case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break;
+ case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break;
+ case 0x00000013: I_(NVKM_ENGINE_CE , inst); break;
+ case 0x00000014: O_(NVKM_SUBDEV_GSP , 0); break;
+ case 0x00000015: O_(NVKM_ENGINE_NVJPG , 0); break;
+ case 0x00000016: O_(NVKM_ENGINE_OFA , 0); break;
+ case 0x00000017: O_(NVKM_SUBDEV_FLA , 0); break;
+ break;
+ default:
+ break;
+ }
+
+ nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
+ "runlist %6x engine %2d reset %2d\n", type, inst,
+ info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type],
+ info->addr, info->fault, info->runlist < 0 ? 0 : info->runlist,
+ info->engine, info->reset);
+ info = NULL;
+ }
+
+ return 0;
+}
+
+static const struct nvkm_top_func
+ga100_top = {
+ .oneinit = ga100_top_oneinit,
+};
+
+int
+ga100_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+ struct nvkm_top **ptop)
+{
+ return nvkm_top_new_(&ga100_top, device, type, inst, ptop);
+}