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 "gf100.h"
25 #include "ctxgf100.h"
26
27 #include <nvif/class.h>
28
29 static void
gp102_gr_zbc_clear_stencil(struct gf100_gr * gr,int zbc)30 gp102_gr_zbc_clear_stencil(struct gf100_gr *gr, int zbc)
31 {
32 struct nvkm_device *device = gr->base.engine.subdev.device;
33 const int znum = zbc - 1;
34 const u32 zoff = znum * 4;
35
36 if (gr->zbc_stencil[zbc].format)
37 nvkm_wr32(device, 0x41815c + zoff, gr->zbc_stencil[zbc].ds);
38 nvkm_mask(device, 0x418198 + ((znum / 4) * 4),
39 0x0000007f << ((znum % 4) * 7),
40 gr->zbc_stencil[zbc].format << ((znum % 4) * 7));
41 }
42
43 static int
gp102_gr_zbc_stencil_get(struct gf100_gr * gr,int format,const u32 ds,const u32 l2)44 gp102_gr_zbc_stencil_get(struct gf100_gr *gr, int format,
45 const u32 ds, const u32 l2)
46 {
47 struct nvkm_ltc *ltc = gr->base.engine.subdev.device->ltc;
48 int zbc = -ENOSPC, i;
49
50 for (i = ltc->zbc_min; i <= ltc->zbc_max; i++) {
51 if (gr->zbc_stencil[i].format) {
52 if (gr->zbc_stencil[i].format != format)
53 continue;
54 if (gr->zbc_stencil[i].ds != ds)
55 continue;
56 if (gr->zbc_stencil[i].l2 != l2) {
57 WARN_ON(1);
58 return -EINVAL;
59 }
60 return i;
61 } else {
62 zbc = (zbc < 0) ? i : zbc;
63 }
64 }
65
66 if (zbc < 0)
67 return zbc;
68
69 gr->zbc_stencil[zbc].format = format;
70 gr->zbc_stencil[zbc].ds = ds;
71 gr->zbc_stencil[zbc].l2 = l2;
72 nvkm_ltc_zbc_stencil_get(ltc, zbc, l2);
73 gr->func->zbc->clear_stencil(gr, zbc);
74 return zbc;
75 }
76
77 const struct gf100_gr_func_zbc
78 gp102_gr_zbc = {
79 .clear_color = gp100_gr_zbc_clear_color,
80 .clear_depth = gp100_gr_zbc_clear_depth,
81 .stencil_get = gp102_gr_zbc_stencil_get,
82 .clear_stencil = gp102_gr_zbc_clear_stencil,
83 };
84
85 void
gp102_gr_init_swdx_pes_mask(struct gf100_gr * gr)86 gp102_gr_init_swdx_pes_mask(struct gf100_gr *gr)
87 {
88 struct nvkm_device *device = gr->base.engine.subdev.device;
89 u32 mask = 0, data, gpc;
90
91 for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
92 data = nvkm_rd32(device, GPC_UNIT(gpc, 0x0c50)) & 0x0000000f;
93 mask |= data << (gpc * 4);
94 }
95
96 nvkm_wr32(device, 0x4181d0, mask);
97 }
98
99 static const struct gf100_gr_func
100 gp102_gr = {
101 .oneinit_tiles = gm200_gr_oneinit_tiles,
102 .oneinit_sm_id = gm200_gr_oneinit_sm_id,
103 .init = gf100_gr_init,
104 .init_gpc_mmu = gm200_gr_init_gpc_mmu,
105 .init_vsc_stream_master = gk104_gr_init_vsc_stream_master,
106 .init_zcull = gf117_gr_init_zcull,
107 .init_num_active_ltcs = gm200_gr_init_num_active_ltcs,
108 .init_rop_active_fbps = gp100_gr_init_rop_active_fbps,
109 .init_swdx_pes_mask = gp102_gr_init_swdx_pes_mask,
110 .init_fecs_exceptions = gp100_gr_init_fecs_exceptions,
111 .init_ds_hww_esr_2 = gm200_gr_init_ds_hww_esr_2,
112 .init_sked_hww_esr = gk104_gr_init_sked_hww_esr,
113 .init_419cc0 = gf100_gr_init_419cc0,
114 .init_ppc_exceptions = gk104_gr_init_ppc_exceptions,
115 .init_tex_hww_esr = gf100_gr_init_tex_hww_esr,
116 .init_504430 = gm107_gr_init_504430,
117 .init_shader_exceptions = gp100_gr_init_shader_exceptions,
118 .trap_mp = gf100_gr_trap_mp,
119 .rops = gm200_gr_rops,
120 .gpc_nr = 6,
121 .tpc_nr = 5,
122 .ppc_nr = 3,
123 .grctx = &gp102_grctx,
124 .zbc = &gp102_gr_zbc,
125 .sclass = {
126 { -1, -1, FERMI_TWOD_A },
127 { -1, -1, KEPLER_INLINE_TO_MEMORY_B },
128 { -1, -1, PASCAL_B, &gf100_fermi },
129 { -1, -1, PASCAL_COMPUTE_B },
130 {}
131 }
132 };
133
134 int
gp102_gr_new(struct nvkm_device * device,int index,struct nvkm_gr ** pgr)135 gp102_gr_new(struct nvkm_device *device, int index, struct nvkm_gr **pgr)
136 {
137 return gm200_gr_new_(&gp102_gr, device, index, pgr);
138 }
139
