These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / engine / disp / hdagf119.c
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagf119.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagf119.c
new file mode 100644 (file)
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+/*
+ * Copyright 2012 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.
+ *
+ * Authors: Ben Skeggs
+ */
+#include "nv50.h"
+#include "outp.h"
+
+#include <core/client.h>
+#include <subdev/bios.h>
+#include <subdev/bios/dcb.h>
+#include <subdev/timer.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+int
+gf119_hda_eld(NV50_DISP_MTHD_V1)
+{
+       struct nvkm_device *device = disp->base.engine.subdev.device;
+       union {
+               struct nv50_disp_sor_hda_eld_v0 v0;
+       } *args = data;
+       const u32 soff = outp->or * 0x030;
+       const u32 hoff = head * 0x800;
+       int ret, i;
+
+       nvif_ioctl(object, "disp sor hda eld size %d\n", size);
+       if (nvif_unpack(args->v0, 0, 0, true)) {
+               nvif_ioctl(object, "disp sor hda eld vers %d\n",
+                          args->v0.version);
+               if (size > 0x60)
+                       return -E2BIG;
+       } else
+               return ret;
+
+       if (size && args->v0.data[0]) {
+               if (outp->info.type == DCB_OUTPUT_DP) {
+                       nvkm_mask(device, 0x616618 + hoff, 0x8000000c, 0x80000001);
+                       nvkm_msec(device, 2000,
+                               u32 tmp = nvkm_rd32(device, 0x616618 + hoff);
+                               if (!(tmp & 0x80000000))
+                                       break;
+                       );
+               }
+               nvkm_mask(device, 0x616548 + hoff, 0x00000070, 0x00000000);
+               for (i = 0; i < size; i++)
+                       nvkm_wr32(device, 0x10ec00 + soff, (i << 8) | args->v0.data[i]);
+               for (; i < 0x60; i++)
+                       nvkm_wr32(device, 0x10ec00 + soff, (i << 8));
+               nvkm_mask(device, 0x10ec10 + soff, 0x80000003, 0x80000003);
+       } else {
+               if (outp->info.type == DCB_OUTPUT_DP) {
+                       nvkm_mask(device, 0x616618 + hoff, 0x80000001, 0x80000000);
+                       nvkm_msec(device, 2000,
+                               u32 tmp = nvkm_rd32(device, 0x616618 + hoff);
+                               if (!(tmp & 0x80000000))
+                                       break;
+                       );
+               }
+               nvkm_mask(device, 0x10ec10 + soff, 0x80000003, 0x80000000 | !!size);
+       }
+
+       return 0;
+}