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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c
new file mode 100644
index 000000000000..d098c44a4fcb
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c
@@ -0,0 +1,55 @@
+/*
+ * 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 "priv.h"
+
+static void
+tu102_mc_intr_hack(struct nvkm_mc *mc, bool *handled)
+{
+ struct nvkm_device *device = mc->subdev.device;
+ u32 stat = nvkm_rd32(device, 0xb81010);
+ if (stat & 0x00000050) {
+ struct nvkm_subdev *subdev =
+ nvkm_device_subdev(device, NVKM_SUBDEV_FAULT);
+ nvkm_wr32(device, 0xb81010, stat & 0x00000050);
+ if (subdev)
+ nvkm_subdev_intr(subdev);
+ *handled = true;
+ }
+}
+
+static const struct nvkm_mc_func
+tu102_mc = {
+ .init = nv50_mc_init,
+ .intr = gp100_mc_intr,
+ .intr_unarm = gp100_mc_intr_unarm,
+ .intr_rearm = gp100_mc_intr_rearm,
+ .intr_mask = gp100_mc_intr_mask,
+ .intr_stat = gf100_mc_intr_stat,
+ .intr_hack = tu102_mc_intr_hack,
+ .reset = gk104_mc_reset,
+};
+
+int
+tu102_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
+{
+ return gp100_mc_new_(&tu102_mc, device, index, pmc);
+}