1 /*
2  * Copyright 2016 Red Hat Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Ben Skeggs <bskeggs@redhat.com>
23  */
24 #include "nv50.h"
25 #include "head.h"
26 #include "ior.h"
27 #include "rootnv50.h"
28 
29 static void
30 gp102_disp_intr_error(struct nv50_disp *disp, int chid)
31 {
32 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
33 	struct nvkm_device *device = subdev->device;
34 	u32 mthd = nvkm_rd32(device, 0x6111f0 + (chid * 12));
35 	u32 data = nvkm_rd32(device, 0x6111f4 + (chid * 12));
36 	u32 unkn = nvkm_rd32(device, 0x6111f8 + (chid * 12));
37 
38 	nvkm_error(subdev, "chid %d mthd %04x data %08x %08x %08x\n",
39 		   chid, (mthd & 0x0000ffc), data, mthd, unkn);
40 
41 	if (chid < ARRAY_SIZE(disp->chan)) {
42 		switch (mthd & 0xffc) {
43 		case 0x0080:
44 			nv50_disp_chan_mthd(disp->chan[chid], NV_DBG_ERROR);
45 			break;
46 		default:
47 			break;
48 		}
49 	}
50 
51 	nvkm_wr32(device, 0x61009c, (1 << chid));
52 	nvkm_wr32(device, 0x6111f0 + (chid * 12), 0x90000000);
53 }
54 
55 static const struct nv50_disp_func
56 gp102_disp = {
57 	.intr = gf119_disp_intr,
58 	.intr_error = gp102_disp_intr_error,
59 	.uevent = &gf119_disp_chan_uevent,
60 	.super = gf119_disp_super,
61 	.root = &gp102_disp_root_oclass,
62 	.head.new = gf119_head_new,
63 	.sor = { .nr = 4, .new = gm200_sor_new },
64 };
65 
66 int
67 gp102_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp)
68 {
69 	return gf119_disp_new_(&gp102_disp, device, index, pdisp);
70 }
71