1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu104.c
new file mode 100644
index 000000000000..b7165bd18999
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu104.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
+tu104_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
+tu104_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 = tu104_mc_intr_hack,
+	.reset = gk104_mc_reset,
+};
+
+int
+tu104_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
+{
+	return gp100_mc_new_(&tu104_mc, device, index, pmc);
+}