drm/radeon: fall back to GTT if bo creation/validation in VRAM fails.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / gpu / drm / radeon / r520.c
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1/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28#include "drmP.h"
771fe6b9 29#include "radeon.h"
e6990375 30#include "radeon_asic.h"
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31#include "atom.h"
32#include "r520d.h"
771fe6b9 33
f0ed1f65 34/* This files gather functions specifics to: r520,rv530,rv560,rv570,r580 */
771fe6b9 35
f0ed1f65 36static int r520_mc_wait_for_idle(struct radeon_device *rdev)
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37{
38 unsigned i;
39 uint32_t tmp;
40
41 for (i = 0; i < rdev->usec_timeout; i++) {
42 /* read MC_STATUS */
43 tmp = RREG32_MC(R520_MC_STATUS);
44 if (tmp & R520_MC_STATUS_IDLE) {
45 return 0;
46 }
47 DRM_UDELAY(1);
48 }
49 return -1;
50}
51
f0ed1f65 52static void r520_gpu_init(struct radeon_device *rdev)
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53{
54 unsigned pipe_select_current, gb_pipe_select, tmp;
55
d39c3b89 56 rv515_vga_render_disable(rdev);
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57 /*
58 * DST_PIPE_CONFIG 0x170C
59 * GB_TILE_CONFIG 0x4018
60 * GB_FIFO_SIZE 0x4024
61 * GB_PIPE_SELECT 0x402C
62 * GB_PIPE_SELECT2 0x4124
63 * Z_PIPE_SHIFT 0
64 * Z_PIPE_MASK 0x000000003
65 * GB_FIFO_SIZE2 0x4128
66 * SC_SFIFO_SIZE_SHIFT 0
67 * SC_SFIFO_SIZE_MASK 0x000000003
68 * SC_MFIFO_SIZE_SHIFT 2
69 * SC_MFIFO_SIZE_MASK 0x00000000C
70 * FG_SFIFO_SIZE_SHIFT 4
71 * FG_SFIFO_SIZE_MASK 0x000000030
72 * ZB_MFIFO_SIZE_SHIFT 6
73 * ZB_MFIFO_SIZE_MASK 0x0000000C0
74 * GA_ENHANCE 0x4274
75 * SU_REG_DEST 0x42C8
76 */
77 /* workaround for RV530 */
78 if (rdev->family == CHIP_RV530) {
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79 WREG32(0x4128, 0xFF);
80 }
81 r420_pipes_init(rdev);
82 gb_pipe_select = RREG32(0x402C);
83 tmp = RREG32(0x170C);
84 pipe_select_current = (tmp >> 2) & 3;
85 tmp = (1 << pipe_select_current) |
86 (((gb_pipe_select >> 8) & 0xF) << 4);
87 WREG32_PLL(0x000D, tmp);
88 if (r520_mc_wait_for_idle(rdev)) {
89 printk(KERN_WARNING "Failed to wait MC idle while "
90 "programming pipes. Bad things might happen.\n");
91 }
92}
93
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94static void r520_vram_get_type(struct radeon_device *rdev)
95{
96 uint32_t tmp;
97
98 rdev->mc.vram_width = 128;
99 rdev->mc.vram_is_ddr = true;
100 tmp = RREG32_MC(R520_MC_CNTL0);
101 switch ((tmp & R520_MEM_NUM_CHANNELS_MASK) >> R520_MEM_NUM_CHANNELS_SHIFT) {
102 case 0:
103 rdev->mc.vram_width = 32;
104 break;
105 case 1:
106 rdev->mc.vram_width = 64;
107 break;
108 case 2:
109 rdev->mc.vram_width = 128;
110 break;
111 case 3:
112 rdev->mc.vram_width = 256;
113 break;
114 default:
115 rdev->mc.vram_width = 128;
116 break;
117 }
118 if (tmp & R520_MC_CHANNEL_SIZE)
119 rdev->mc.vram_width *= 2;
120}
121
d594e46a 122void r520_mc_init(struct radeon_device *rdev)
771fe6b9 123{
c93bb85b 124
771fe6b9 125 r520_vram_get_type(rdev);
2a0f8918 126 r100_vram_init_sizes(rdev);
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127 radeon_vram_location(rdev, &rdev->mc, 0);
128 if (!(rdev->flags & RADEON_IS_AGP))
129 radeon_gtt_location(rdev, &rdev->mc);
f47299c5 130 radeon_update_bandwidth_info(rdev);
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131}
132
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133void r520_mc_program(struct radeon_device *rdev)
134{
135 struct rv515_mc_save save;
136
137 /* Stops all mc clients */
138 rv515_mc_stop(rdev, &save);
139
140 /* Wait for mc idle */
141 if (r520_mc_wait_for_idle(rdev))
142 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
143 /* Write VRAM size in case we are limiting it */
144 WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
145 /* Program MC, should be a 32bits limited address space */
146 WREG32_MC(R_000004_MC_FB_LOCATION,
147 S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
148 S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
149 WREG32(R_000134_HDP_FB_LOCATION,
150 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
151 if (rdev->flags & RADEON_IS_AGP) {
152 WREG32_MC(R_000005_MC_AGP_LOCATION,
153 S_000005_MC_AGP_START(rdev->mc.gtt_start >> 16) |
154 S_000005_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
155 WREG32_MC(R_000006_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
156 WREG32_MC(R_000007_AGP_BASE_2,
157 S_000007_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
158 } else {
159 WREG32_MC(R_000005_MC_AGP_LOCATION, 0xFFFFFFFF);
160 WREG32_MC(R_000006_AGP_BASE, 0);
161 WREG32_MC(R_000007_AGP_BASE_2, 0);
162 }
163
164 rv515_mc_resume(rdev, &save);
165}
166
167static int r520_startup(struct radeon_device *rdev)
168{
169 int r;
170
171 r520_mc_program(rdev);
172 /* Resume clock */
173 rv515_clock_startup(rdev);
174 /* Initialize GPU configuration (# pipes, ...) */
175 r520_gpu_init(rdev);
176 /* Initialize GART (initialize after TTM so we can allocate
177 * memory through TTM but finalize after TTM) */
178 if (rdev->flags & RADEON_IS_PCIE) {
179 r = rv370_pcie_gart_enable(rdev);
180 if (r)
181 return r;
182 }
183 /* Enable IRQ */
ac447df4 184 rs600_irq_set(rdev);
cafe6609 185 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
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186 /* 1M ring buffer */
187 r = r100_cp_init(rdev, 1024 * 1024);
188 if (r) {
189 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
190 return r;
191 }
192 r = r100_wb_init(rdev);
193 if (r)
194 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
195 r = r100_ib_init(rdev);
196 if (r) {
197 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
198 return r;
199 }
200 return 0;
201}
202
203int r520_resume(struct radeon_device *rdev)
c93bb85b 204{
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205 /* Make sur GART are not working */
206 if (rdev->flags & RADEON_IS_PCIE)
207 rv370_pcie_gart_disable(rdev);
208 /* Resume clock before doing reset */
209 rv515_clock_startup(rdev);
210 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
a2d07b74 211 if (radeon_asic_reset(rdev)) {
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212 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
213 RREG32(R_000E40_RBBM_STATUS),
214 RREG32(R_0007C0_CP_STAT));
215 }
216 /* post */
217 atom_asic_init(rdev->mode_info.atom_context);
218 /* Resume clock after posting */
219 rv515_clock_startup(rdev);
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220 /* Initialize surface registers */
221 radeon_surface_init(rdev);
f0ed1f65 222 return r520_startup(rdev);
771fe6b9 223}
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224
225int r520_init(struct radeon_device *rdev)
226{
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227 int r;
228
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229 /* Initialize scratch registers */
230 radeon_scratch_init(rdev);
231 /* Initialize surface registers */
232 radeon_surface_init(rdev);
233 /* TODO: disable VGA need to use VGA request */
234 /* BIOS*/
235 if (!radeon_get_bios(rdev)) {
236 if (ASIC_IS_AVIVO(rdev))
237 return -EINVAL;
238 }
239 if (rdev->is_atom_bios) {
240 r = radeon_atombios_init(rdev);
241 if (r)
242 return r;
243 } else {
244 dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
245 return -EINVAL;
246 }
247 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
a2d07b74 248 if (radeon_asic_reset(rdev)) {
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249 dev_warn(rdev->dev,
250 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
251 RREG32(R_000E40_RBBM_STATUS),
252 RREG32(R_0007C0_CP_STAT));
253 }
254 /* check if cards are posted or not */
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255 if (radeon_boot_test_post_card(rdev) == false)
256 return -EINVAL;
257
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258 if (!radeon_card_posted(rdev) && rdev->bios) {
259 DRM_INFO("GPU not posted. posting now...\n");
260 atom_asic_init(rdev->mode_info.atom_context);
261 }
262 /* Initialize clocks */
263 radeon_get_clock_info(rdev->ddev);
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264 /* initialize AGP */
265 if (rdev->flags & RADEON_IS_AGP) {
266 r = radeon_agp_init(rdev);
267 if (r) {
268 radeon_agp_disable(rdev);
269 }
270 }
271 /* initialize memory controller */
272 r520_mc_init(rdev);
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273 rv515_debugfs(rdev);
274 /* Fence driver */
275 r = radeon_fence_driver_init(rdev);
276 if (r)
277 return r;
278 r = radeon_irq_kms_init(rdev);
279 if (r)
280 return r;
281 /* Memory manager */
4c788679 282 r = radeon_bo_init(rdev);
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283 if (r)
284 return r;
285 r = rv370_pcie_gart_init(rdev);
286 if (r)
287 return r;
d39c3b89 288 rv515_set_safe_registers(rdev);
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289 rdev->accel_working = true;
290 r = r520_startup(rdev);
291 if (r) {
292 /* Somethings want wront with the accel init stop accel */
293 dev_err(rdev->dev, "Disabling GPU acceleration\n");
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294 r100_cp_fini(rdev);
295 r100_wb_fini(rdev);
296 r100_ib_fini(rdev);
655efd3d 297 radeon_irq_kms_fini(rdev);
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298 rv370_pcie_gart_fini(rdev);
299 radeon_agp_fini(rdev);
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300 rdev->accel_working = false;
301 }
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302 return 0;
303}