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path: root/drivers/gpu/drm/radeon/r600.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
-rw-r--r--drivers/gpu/drm/radeon/r600.c685
1 files changed, 459 insertions, 226 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 7b65e4efe8af..bc54b26cb32f 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -47,6 +47,7 @@
47#define EVERGREEN_PFP_UCODE_SIZE 1120 47#define EVERGREEN_PFP_UCODE_SIZE 1120
48#define EVERGREEN_PM4_UCODE_SIZE 1376 48#define EVERGREEN_PM4_UCODE_SIZE 1376
49#define EVERGREEN_RLC_UCODE_SIZE 768 49#define EVERGREEN_RLC_UCODE_SIZE 768
50#define CAYMAN_RLC_UCODE_SIZE 1024
50 51
51/* Firmware Names */ 52/* Firmware Names */
52MODULE_FIRMWARE("radeon/R600_pfp.bin"); 53MODULE_FIRMWARE("radeon/R600_pfp.bin");
@@ -83,6 +84,13 @@ MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
83MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin"); 84MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
84MODULE_FIRMWARE("radeon/CYPRESS_me.bin"); 85MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
85MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin"); 86MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
87MODULE_FIRMWARE("radeon/PALM_pfp.bin");
88MODULE_FIRMWARE("radeon/PALM_me.bin");
89MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
90MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
91MODULE_FIRMWARE("radeon/SUMO_me.bin");
92MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
93MODULE_FIRMWARE("radeon/SUMO2_me.bin");
86 94
87int r600_debugfs_mc_info_init(struct radeon_device *rdev); 95int r600_debugfs_mc_info_init(struct radeon_device *rdev);
88 96
@@ -91,18 +99,17 @@ int r600_mc_wait_for_idle(struct radeon_device *rdev);
91void r600_gpu_init(struct radeon_device *rdev); 99void r600_gpu_init(struct radeon_device *rdev);
92void r600_fini(struct radeon_device *rdev); 100void r600_fini(struct radeon_device *rdev);
93void r600_irq_disable(struct radeon_device *rdev); 101void r600_irq_disable(struct radeon_device *rdev);
102static void r600_pcie_gen2_enable(struct radeon_device *rdev);
94 103
95/* get temperature in millidegrees */ 104/* get temperature in millidegrees */
96u32 rv6xx_get_temp(struct radeon_device *rdev) 105int rv6xx_get_temp(struct radeon_device *rdev)
97{ 106{
98 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >> 107 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
99 ASIC_T_SHIFT; 108 ASIC_T_SHIFT;
100 u32 actual_temp = 0; 109 int actual_temp = temp & 0xff;
101 110
102 if ((temp >> 7) & 1) 111 if (temp & 0x100)
103 actual_temp = 0; 112 actual_temp -= 256;
104 else
105 actual_temp = (temp >> 1) & 0xff;
106 113
107 return actual_temp * 1000; 114 return actual_temp * 1000;
108} 115}
@@ -583,8 +590,11 @@ void r600_pm_misc(struct radeon_device *rdev)
583 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; 590 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
584 591
585 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) { 592 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
593 /* 0xff01 is a flag rather then an actual voltage */
594 if (voltage->voltage == 0xff01)
595 return;
586 if (voltage->voltage != rdev->pm.current_vddc) { 596 if (voltage->voltage != rdev->pm.current_vddc) {
587 radeon_atom_set_voltage(rdev, voltage->voltage); 597 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
588 rdev->pm.current_vddc = voltage->voltage; 598 rdev->pm.current_vddc = voltage->voltage;
589 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage); 599 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
590 } 600 }
@@ -884,12 +894,15 @@ void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
884 u32 tmp; 894 u32 tmp;
885 895
886 /* flush hdp cache so updates hit vram */ 896 /* flush hdp cache so updates hit vram */
887 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740)) { 897 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
898 !(rdev->flags & RADEON_IS_AGP)) {
888 void __iomem *ptr = (void *)rdev->gart.table.vram.ptr; 899 void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
889 u32 tmp; 900 u32 tmp;
890 901
891 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 902 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
892 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL 903 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
904 * This seems to cause problems on some AGP cards. Just use the old
905 * method for them.
893 */ 906 */
894 WREG32(HDP_DEBUG1, 0); 907 WREG32(HDP_DEBUG1, 0);
895 tmp = readl((void __iomem *)ptr); 908 tmp = readl((void __iomem *)ptr);
@@ -919,7 +932,7 @@ int r600_pcie_gart_init(struct radeon_device *rdev)
919 int r; 932 int r;
920 933
921 if (rdev->gart.table.vram.robj) { 934 if (rdev->gart.table.vram.robj) {
922 WARN(1, "R600 PCIE GART already initialized.\n"); 935 WARN(1, "R600 PCIE GART already initialized\n");
923 return 0; 936 return 0;
924 } 937 }
925 /* Initialize common gart structure */ 938 /* Initialize common gart structure */
@@ -1167,7 +1180,7 @@ static void r600_mc_program(struct radeon_device *rdev)
1167 * Note: GTT start, end, size should be initialized before calling this 1180 * Note: GTT start, end, size should be initialized before calling this
1168 * function on AGP platform. 1181 * function on AGP platform.
1169 */ 1182 */
1170void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) 1183static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1171{ 1184{
1172 u64 size_bf, size_af; 1185 u64 size_bf, size_af;
1173 1186
@@ -1201,8 +1214,10 @@ void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1201 mc->vram_end, mc->real_vram_size >> 20); 1214 mc->vram_end, mc->real_vram_size >> 20);
1202 } else { 1215 } else {
1203 u64 base = 0; 1216 u64 base = 0;
1204 if (rdev->flags & RADEON_IS_IGP) 1217 if (rdev->flags & RADEON_IS_IGP) {
1205 base = (RREG32(MC_VM_FB_LOCATION) & 0xFFFF) << 24; 1218 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1219 base <<= 24;
1220 }
1206 radeon_vram_location(rdev, &rdev->mc, base); 1221 radeon_vram_location(rdev, &rdev->mc, base);
1207 rdev->mc.gtt_base_align = 0; 1222 rdev->mc.gtt_base_align = 0;
1208 radeon_gtt_location(rdev, mc); 1223 radeon_gtt_location(rdev, mc);
@@ -1248,7 +1263,6 @@ int r600_mc_init(struct radeon_device *rdev)
1248 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); 1263 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1249 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); 1264 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1250 rdev->mc.visible_vram_size = rdev->mc.aper_size; 1265 rdev->mc.visible_vram_size = rdev->mc.aper_size;
1251 rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
1252 r600_vram_gtt_location(rdev, &rdev->mc); 1266 r600_vram_gtt_location(rdev, &rdev->mc);
1253 1267
1254 if (rdev->flags & RADEON_IS_IGP) { 1268 if (rdev->flags & RADEON_IS_IGP) {
@@ -1284,6 +1298,9 @@ int r600_gpu_soft_reset(struct radeon_device *rdev)
1284 S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1); 1298 S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1);
1285 u32 tmp; 1299 u32 tmp;
1286 1300
1301 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1302 return 0;
1303
1287 dev_info(rdev->dev, "GPU softreset \n"); 1304 dev_info(rdev->dev, "GPU softreset \n");
1288 dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", 1305 dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n",
1289 RREG32(R_008010_GRBM_STATUS)); 1306 RREG32(R_008010_GRBM_STATUS));
@@ -1343,13 +1360,19 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev)
1343 u32 srbm_status; 1360 u32 srbm_status;
1344 u32 grbm_status; 1361 u32 grbm_status;
1345 u32 grbm_status2; 1362 u32 grbm_status2;
1363 struct r100_gpu_lockup *lockup;
1346 int r; 1364 int r;
1347 1365
1366 if (rdev->family >= CHIP_RV770)
1367 lockup = &rdev->config.rv770.lockup;
1368 else
1369 lockup = &rdev->config.r600.lockup;
1370
1348 srbm_status = RREG32(R_000E50_SRBM_STATUS); 1371 srbm_status = RREG32(R_000E50_SRBM_STATUS);
1349 grbm_status = RREG32(R_008010_GRBM_STATUS); 1372 grbm_status = RREG32(R_008010_GRBM_STATUS);
1350 grbm_status2 = RREG32(R_008014_GRBM_STATUS2); 1373 grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
1351 if (!G_008010_GUI_ACTIVE(grbm_status)) { 1374 if (!G_008010_GUI_ACTIVE(grbm_status)) {
1352 r100_gpu_lockup_update(&rdev->config.r300.lockup, &rdev->cp); 1375 r100_gpu_lockup_update(lockup, &rdev->cp);
1353 return false; 1376 return false;
1354 } 1377 }
1355 /* force CP activities */ 1378 /* force CP activities */
@@ -1361,7 +1384,7 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev)
1361 radeon_ring_unlock_commit(rdev); 1384 radeon_ring_unlock_commit(rdev);
1362 } 1385 }
1363 rdev->cp.rptr = RREG32(R600_CP_RB_RPTR); 1386 rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
1364 return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, &rdev->cp); 1387 return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
1365} 1388}
1366 1389
1367int r600_asic_reset(struct radeon_device *rdev) 1390int r600_asic_reset(struct radeon_device *rdev)
@@ -1608,8 +1631,11 @@ void r600_gpu_init(struct radeon_device *rdev)
1608 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes; 1631 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
1609 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 1632 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1610 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 1633 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1611 tiling_config |= GROUP_SIZE(0); 1634 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1612 rdev->config.r600.tiling_group_size = 256; 1635 if ((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
1636 rdev->config.r600.tiling_group_size = 512;
1637 else
1638 rdev->config.r600.tiling_group_size = 256;
1613 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT; 1639 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
1614 if (tmp > 3) { 1640 if (tmp > 3) {
1615 tiling_config |= ROW_TILING(3); 1641 tiling_config |= ROW_TILING(3);
@@ -1918,8 +1944,9 @@ void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
1918 */ 1944 */
1919void r600_cp_stop(struct radeon_device *rdev) 1945void r600_cp_stop(struct radeon_device *rdev)
1920{ 1946{
1921 rdev->mc.active_vram_size = rdev->mc.visible_vram_size; 1947 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1922 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1948 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1949 WREG32(SCRATCH_UMSK, 0);
1923} 1950}
1924 1951
1925int r600_init_microcode(struct radeon_device *rdev) 1952int r600_init_microcode(struct radeon_device *rdev)
@@ -2000,6 +2027,18 @@ int r600_init_microcode(struct radeon_device *rdev)
2000 chip_name = "CYPRESS"; 2027 chip_name = "CYPRESS";
2001 rlc_chip_name = "CYPRESS"; 2028 rlc_chip_name = "CYPRESS";
2002 break; 2029 break;
2030 case CHIP_PALM:
2031 chip_name = "PALM";
2032 rlc_chip_name = "SUMO";
2033 break;
2034 case CHIP_SUMO:
2035 chip_name = "SUMO";
2036 rlc_chip_name = "SUMO";
2037 break;
2038 case CHIP_SUMO2:
2039 chip_name = "SUMO2";
2040 rlc_chip_name = "SUMO";
2041 break;
2003 default: BUG(); 2042 default: BUG();
2004 } 2043 }
2005 2044
@@ -2081,7 +2120,11 @@ static int r600_cp_load_microcode(struct radeon_device *rdev)
2081 2120
2082 r600_cp_stop(rdev); 2121 r600_cp_stop(rdev);
2083 2122
2084 WREG32(CP_RB_CNTL, RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3)); 2123 WREG32(CP_RB_CNTL,
2124#ifdef __BIG_ENDIAN
2125 BUF_SWAP_32BIT |
2126#endif
2127 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2085 2128
2086 /* Reset cp */ 2129 /* Reset cp */
2087 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2130 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
@@ -2152,7 +2195,7 @@ int r600_cp_resume(struct radeon_device *rdev)
2152 2195
2153 /* Set ring buffer size */ 2196 /* Set ring buffer size */
2154 rb_bufsz = drm_order(rdev->cp.ring_size / 8); 2197 rb_bufsz = drm_order(rdev->cp.ring_size / 8);
2155 tmp = RB_NO_UPDATE | (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; 2198 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2156#ifdef __BIG_ENDIAN 2199#ifdef __BIG_ENDIAN
2157 tmp |= BUF_SWAP_32BIT; 2200 tmp |= BUF_SWAP_32BIT;
2158#endif 2201#endif
@@ -2166,8 +2209,23 @@ int r600_cp_resume(struct radeon_device *rdev)
2166 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); 2209 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2167 WREG32(CP_RB_RPTR_WR, 0); 2210 WREG32(CP_RB_RPTR_WR, 0);
2168 WREG32(CP_RB_WPTR, 0); 2211 WREG32(CP_RB_WPTR, 0);
2169 WREG32(CP_RB_RPTR_ADDR, rdev->cp.gpu_addr & 0xFFFFFFFF); 2212
2170 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->cp.gpu_addr)); 2213 /* set the wb address whether it's enabled or not */
2214 WREG32(CP_RB_RPTR_ADDR,
2215#ifdef __BIG_ENDIAN
2216 RB_RPTR_SWAP(2) |
2217#endif
2218 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2219 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2220 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2221
2222 if (rdev->wb.enabled)
2223 WREG32(SCRATCH_UMSK, 0xff);
2224 else {
2225 tmp |= RB_NO_UPDATE;
2226 WREG32(SCRATCH_UMSK, 0);
2227 }
2228
2171 mdelay(1); 2229 mdelay(1);
2172 WREG32(CP_RB_CNTL, tmp); 2230 WREG32(CP_RB_CNTL, tmp);
2173 2231
@@ -2219,9 +2277,10 @@ void r600_scratch_init(struct radeon_device *rdev)
2219 int i; 2277 int i;
2220 2278
2221 rdev->scratch.num_reg = 7; 2279 rdev->scratch.num_reg = 7;
2280 rdev->scratch.reg_base = SCRATCH_REG0;
2222 for (i = 0; i < rdev->scratch.num_reg; i++) { 2281 for (i = 0; i < rdev->scratch.num_reg; i++) {
2223 rdev->scratch.free[i] = true; 2282 rdev->scratch.free[i] = true;
2224 rdev->scratch.reg[i] = SCRATCH_REG0 + (i * 4); 2283 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2225 } 2284 }
2226} 2285}
2227 2286
@@ -2265,88 +2324,34 @@ int r600_ring_test(struct radeon_device *rdev)
2265 return r; 2324 return r;
2266} 2325}
2267 2326
2268void r600_wb_disable(struct radeon_device *rdev)
2269{
2270 int r;
2271
2272 WREG32(SCRATCH_UMSK, 0);
2273 if (rdev->wb.wb_obj) {
2274 r = radeon_bo_reserve(rdev->wb.wb_obj, false);
2275 if (unlikely(r != 0))
2276 return;
2277 radeon_bo_kunmap(rdev->wb.wb_obj);
2278 radeon_bo_unpin(rdev->wb.wb_obj);
2279 radeon_bo_unreserve(rdev->wb.wb_obj);
2280 }
2281}
2282
2283void r600_wb_fini(struct radeon_device *rdev)
2284{
2285 r600_wb_disable(rdev);
2286 if (rdev->wb.wb_obj) {
2287 radeon_bo_unref(&rdev->wb.wb_obj);
2288 rdev->wb.wb = NULL;
2289 rdev->wb.wb_obj = NULL;
2290 }
2291}
2292
2293int r600_wb_enable(struct radeon_device *rdev)
2294{
2295 int r;
2296
2297 if (rdev->wb.wb_obj == NULL) {
2298 r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true,
2299 RADEON_GEM_DOMAIN_GTT, &rdev->wb.wb_obj);
2300 if (r) {
2301 dev_warn(rdev->dev, "(%d) create WB bo failed\n", r);
2302 return r;
2303 }
2304 r = radeon_bo_reserve(rdev->wb.wb_obj, false);
2305 if (unlikely(r != 0)) {
2306 r600_wb_fini(rdev);
2307 return r;
2308 }
2309 r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT,
2310 &rdev->wb.gpu_addr);
2311 if (r) {
2312 radeon_bo_unreserve(rdev->wb.wb_obj);
2313 dev_warn(rdev->dev, "(%d) pin WB bo failed\n", r);
2314 r600_wb_fini(rdev);
2315 return r;
2316 }
2317 r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
2318 radeon_bo_unreserve(rdev->wb.wb_obj);
2319 if (r) {
2320 dev_warn(rdev->dev, "(%d) map WB bo failed\n", r);
2321 r600_wb_fini(rdev);
2322 return r;
2323 }
2324 }
2325 WREG32(SCRATCH_ADDR, (rdev->wb.gpu_addr >> 8) & 0xFFFFFFFF);
2326 WREG32(CP_RB_RPTR_ADDR, (rdev->wb.gpu_addr + 1024) & 0xFFFFFFFC);
2327 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + 1024) & 0xFF);
2328 WREG32(SCRATCH_UMSK, 0xff);
2329 return 0;
2330}
2331
2332void r600_fence_ring_emit(struct radeon_device *rdev, 2327void r600_fence_ring_emit(struct radeon_device *rdev,
2333 struct radeon_fence *fence) 2328 struct radeon_fence *fence)
2334{ 2329{
2335 /* Also consider EVENT_WRITE_EOP. it handles the interrupts + timestamps + events */ 2330 if (rdev->wb.use_event) {
2336 2331 u64 addr = rdev->wb.gpu_addr + R600_WB_EVENT_OFFSET +
2337 radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0)); 2332 (u64)(rdev->fence_drv.scratch_reg - rdev->scratch.reg_base);
2338 radeon_ring_write(rdev, CACHE_FLUSH_AND_INV_EVENT); 2333 /* EVENT_WRITE_EOP - flush caches, send int */
2339 /* wait for 3D idle clean */ 2334 radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2340 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2335 radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2341 radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2336 radeon_ring_write(rdev, addr & 0xffffffff);
2342 radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit); 2337 radeon_ring_write(rdev, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2343 /* Emit fence sequence & fire IRQ */ 2338 radeon_ring_write(rdev, fence->seq);
2344 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2339 radeon_ring_write(rdev, 0);
2345 radeon_ring_write(rdev, ((rdev->fence_drv.scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2340 } else {
2346 radeon_ring_write(rdev, fence->seq); 2341 radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
2347 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */ 2342 radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
2348 radeon_ring_write(rdev, PACKET0(CP_INT_STATUS, 0)); 2343 /* wait for 3D idle clean */
2349 radeon_ring_write(rdev, RB_INT_STAT); 2344 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2345 radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2346 radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2347 /* Emit fence sequence & fire IRQ */
2348 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2349 radeon_ring_write(rdev, ((rdev->fence_drv.scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2350 radeon_ring_write(rdev, fence->seq);
2351 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
2352 radeon_ring_write(rdev, PACKET0(CP_INT_STATUS, 0));
2353 radeon_ring_write(rdev, RB_INT_STAT);
2354 }
2350} 2355}
2351 2356
2352int r600_copy_blit(struct radeon_device *rdev, 2357int r600_copy_blit(struct radeon_device *rdev,
@@ -2383,28 +2388,13 @@ void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
2383 /* FIXME: implement */ 2388 /* FIXME: implement */
2384} 2389}
2385 2390
2386
2387bool r600_card_posted(struct radeon_device *rdev)
2388{
2389 uint32_t reg;
2390
2391 /* first check CRTCs */
2392 reg = RREG32(D1CRTC_CONTROL) |
2393 RREG32(D2CRTC_CONTROL);
2394 if (reg & CRTC_EN)
2395 return true;
2396
2397 /* then check MEM_SIZE, in case the crtcs are off */
2398 if (RREG32(CONFIG_MEMSIZE))
2399 return true;
2400
2401 return false;
2402}
2403
2404int r600_startup(struct radeon_device *rdev) 2391int r600_startup(struct radeon_device *rdev)
2405{ 2392{
2406 int r; 2393 int r;
2407 2394
2395 /* enable pcie gen2 link */
2396 r600_pcie_gen2_enable(rdev);
2397
2408 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { 2398 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2409 r = r600_init_microcode(rdev); 2399 r = r600_init_microcode(rdev);
2410 if (r) { 2400 if (r) {
@@ -2428,19 +2418,12 @@ int r600_startup(struct radeon_device *rdev)
2428 rdev->asic->copy = NULL; 2418 rdev->asic->copy = NULL;
2429 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); 2419 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
2430 } 2420 }
2431 /* pin copy shader into vram */ 2421
2432 if (rdev->r600_blit.shader_obj) { 2422 /* allocate wb buffer */
2433 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); 2423 r = radeon_wb_init(rdev);
2434 if (unlikely(r != 0)) 2424 if (r)
2435 return r; 2425 return r;
2436 r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM, 2426
2437 &rdev->r600_blit.shader_gpu_addr);
2438 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2439 if (r) {
2440 dev_err(rdev->dev, "(%d) pin blit object failed\n", r);
2441 return r;
2442 }
2443 }
2444 /* Enable IRQ */ 2427 /* Enable IRQ */
2445 r = r600_irq_init(rdev); 2428 r = r600_irq_init(rdev);
2446 if (r) { 2429 if (r) {
@@ -2459,8 +2442,7 @@ int r600_startup(struct radeon_device *rdev)
2459 r = r600_cp_resume(rdev); 2442 r = r600_cp_resume(rdev);
2460 if (r) 2443 if (r)
2461 return r; 2444 return r;
2462 /* write back buffer are not vital so don't worry about failure */ 2445
2463 r600_wb_enable(rdev);
2464 return 0; 2446 return 0;
2465} 2447}
2466 2448
@@ -2497,7 +2479,7 @@ int r600_resume(struct radeon_device *rdev)
2497 2479
2498 r = r600_ib_test(rdev); 2480 r = r600_ib_test(rdev);
2499 if (r) { 2481 if (r) {
2500 DRM_ERROR("radeon: failled testing IB (%d).\n", r); 2482 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
2501 return r; 2483 return r;
2502 } 2484 }
2503 2485
@@ -2519,7 +2501,7 @@ int r600_suspend(struct radeon_device *rdev)
2519 r600_cp_stop(rdev); 2501 r600_cp_stop(rdev);
2520 rdev->cp.ready = false; 2502 rdev->cp.ready = false;
2521 r600_irq_suspend(rdev); 2503 r600_irq_suspend(rdev);
2522 r600_wb_disable(rdev); 2504 radeon_wb_disable(rdev);
2523 r600_pcie_gart_disable(rdev); 2505 r600_pcie_gart_disable(rdev);
2524 /* unpin shaders bo */ 2506 /* unpin shaders bo */
2525 if (rdev->r600_blit.shader_obj) { 2507 if (rdev->r600_blit.shader_obj) {
@@ -2542,9 +2524,6 @@ int r600_init(struct radeon_device *rdev)
2542{ 2524{
2543 int r; 2525 int r;
2544 2526
2545 r = radeon_dummy_page_init(rdev);
2546 if (r)
2547 return r;
2548 if (r600_debugfs_mc_info_init(rdev)) { 2527 if (r600_debugfs_mc_info_init(rdev)) {
2549 DRM_ERROR("Failed to register debugfs file for mc !\n"); 2528 DRM_ERROR("Failed to register debugfs file for mc !\n");
2550 } 2529 }
@@ -2566,7 +2545,7 @@ int r600_init(struct radeon_device *rdev)
2566 if (r) 2545 if (r)
2567 return r; 2546 return r;
2568 /* Post card if necessary */ 2547 /* Post card if necessary */
2569 if (!r600_card_posted(rdev)) { 2548 if (!radeon_card_posted(rdev)) {
2570 if (!rdev->bios) { 2549 if (!rdev->bios) {
2571 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 2550 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2572 return -EINVAL; 2551 return -EINVAL;
@@ -2616,8 +2595,8 @@ int r600_init(struct radeon_device *rdev)
2616 if (r) { 2595 if (r) {
2617 dev_err(rdev->dev, "disabling GPU acceleration\n"); 2596 dev_err(rdev->dev, "disabling GPU acceleration\n");
2618 r600_cp_fini(rdev); 2597 r600_cp_fini(rdev);
2619 r600_wb_fini(rdev);
2620 r600_irq_fini(rdev); 2598 r600_irq_fini(rdev);
2599 radeon_wb_fini(rdev);
2621 radeon_irq_kms_fini(rdev); 2600 radeon_irq_kms_fini(rdev);
2622 r600_pcie_gart_fini(rdev); 2601 r600_pcie_gart_fini(rdev);
2623 rdev->accel_working = false; 2602 rdev->accel_working = false;
@@ -2647,8 +2626,9 @@ void r600_fini(struct radeon_device *rdev)
2647 r600_audio_fini(rdev); 2626 r600_audio_fini(rdev);
2648 r600_blit_fini(rdev); 2627 r600_blit_fini(rdev);
2649 r600_cp_fini(rdev); 2628 r600_cp_fini(rdev);
2650 r600_wb_fini(rdev);
2651 r600_irq_fini(rdev); 2629 r600_irq_fini(rdev);
2630 radeon_wb_fini(rdev);
2631 radeon_ib_pool_fini(rdev);
2652 radeon_irq_kms_fini(rdev); 2632 radeon_irq_kms_fini(rdev);
2653 r600_pcie_gart_fini(rdev); 2633 r600_pcie_gart_fini(rdev);
2654 radeon_agp_fini(rdev); 2634 radeon_agp_fini(rdev);
@@ -2658,7 +2638,6 @@ void r600_fini(struct radeon_device *rdev)
2658 radeon_atombios_fini(rdev); 2638 radeon_atombios_fini(rdev);
2659 kfree(rdev->bios); 2639 kfree(rdev->bios);
2660 rdev->bios = NULL; 2640 rdev->bios = NULL;
2661 radeon_dummy_page_fini(rdev);
2662} 2641}
2663 2642
2664 2643
@@ -2669,7 +2648,11 @@ void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2669{ 2648{
2670 /* FIXME: implement */ 2649 /* FIXME: implement */
2671 radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); 2650 radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
2672 radeon_ring_write(rdev, ib->gpu_addr & 0xFFFFFFFC); 2651 radeon_ring_write(rdev,
2652#ifdef __BIG_ENDIAN
2653 (2 << 0) |
2654#endif
2655 (ib->gpu_addr & 0xFFFFFFFC));
2673 radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF); 2656 radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF);
2674 radeon_ring_write(rdev, ib->length_dw); 2657 radeon_ring_write(rdev, ib->length_dw);
2675} 2658}
@@ -2769,8 +2752,8 @@ static int r600_ih_ring_alloc(struct radeon_device *rdev)
2769 2752
2770 /* Allocate ring buffer */ 2753 /* Allocate ring buffer */
2771 if (rdev->ih.ring_obj == NULL) { 2754 if (rdev->ih.ring_obj == NULL) {
2772 r = radeon_bo_create(rdev, NULL, rdev->ih.ring_size, 2755 r = radeon_bo_create(rdev, rdev->ih.ring_size,
2773 true, 2756 PAGE_SIZE, true,
2774 RADEON_GEM_DOMAIN_GTT, 2757 RADEON_GEM_DOMAIN_GTT,
2775 &rdev->ih.ring_obj); 2758 &rdev->ih.ring_obj);
2776 if (r) { 2759 if (r) {
@@ -2850,13 +2833,20 @@ static int r600_rlc_init(struct radeon_device *rdev)
2850 WREG32(RLC_HB_CNTL, 0); 2833 WREG32(RLC_HB_CNTL, 0);
2851 WREG32(RLC_HB_RPTR, 0); 2834 WREG32(RLC_HB_RPTR, 0);
2852 WREG32(RLC_HB_WPTR, 0); 2835 WREG32(RLC_HB_WPTR, 0);
2853 WREG32(RLC_HB_WPTR_LSB_ADDR, 0); 2836 if (rdev->family <= CHIP_CAICOS) {
2854 WREG32(RLC_HB_WPTR_MSB_ADDR, 0); 2837 WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
2838 WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
2839 }
2855 WREG32(RLC_MC_CNTL, 0); 2840 WREG32(RLC_MC_CNTL, 0);
2856 WREG32(RLC_UCODE_CNTL, 0); 2841 WREG32(RLC_UCODE_CNTL, 0);
2857 2842
2858 fw_data = (const __be32 *)rdev->rlc_fw->data; 2843 fw_data = (const __be32 *)rdev->rlc_fw->data;
2859 if (rdev->family >= CHIP_CEDAR) { 2844 if (rdev->family >= CHIP_CAYMAN) {
2845 for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
2846 WREG32(RLC_UCODE_ADDR, i);
2847 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2848 }
2849 } else if (rdev->family >= CHIP_CEDAR) {
2860 for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) { 2850 for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
2861 WREG32(RLC_UCODE_ADDR, i); 2851 WREG32(RLC_UCODE_ADDR, i);
2862 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 2852 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
@@ -2915,6 +2905,8 @@ static void r600_disable_interrupt_state(struct radeon_device *rdev)
2915 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); 2905 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2916 WREG32(GRBM_INT_CNTL, 0); 2906 WREG32(GRBM_INT_CNTL, 0);
2917 WREG32(DxMODE_INT_MASK, 0); 2907 WREG32(DxMODE_INT_MASK, 0);
2908 WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
2909 WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
2918 if (ASIC_IS_DCE3(rdev)) { 2910 if (ASIC_IS_DCE3(rdev)) {
2919 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0); 2911 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
2920 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0); 2912 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
@@ -2983,10 +2975,13 @@ int r600_irq_init(struct radeon_device *rdev)
2983 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE | 2975 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
2984 IH_WPTR_OVERFLOW_CLEAR | 2976 IH_WPTR_OVERFLOW_CLEAR |
2985 (rb_bufsz << 1)); 2977 (rb_bufsz << 1));
2986 /* WPTR writeback, not yet */ 2978
2987 /*ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;*/ 2979 if (rdev->wb.enabled)
2988 WREG32(IH_RB_WPTR_ADDR_LO, 0); 2980 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
2989 WREG32(IH_RB_WPTR_ADDR_HI, 0); 2981
2982 /* set the writeback address whether it's enabled or not */
2983 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
2984 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
2990 2985
2991 WREG32(IH_RB_CNTL, ih_rb_cntl); 2986 WREG32(IH_RB_CNTL, ih_rb_cntl);
2992 2987
@@ -3036,9 +3031,10 @@ int r600_irq_set(struct radeon_device *rdev)
3036 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0; 3031 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
3037 u32 grbm_int_cntl = 0; 3032 u32 grbm_int_cntl = 0;
3038 u32 hdmi1, hdmi2; 3033 u32 hdmi1, hdmi2;
3034 u32 d1grph = 0, d2grph = 0;
3039 3035
3040 if (!rdev->irq.installed) { 3036 if (!rdev->irq.installed) {
3041 WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n"); 3037 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
3042 return -EINVAL; 3038 return -EINVAL;
3043 } 3039 }
3044 /* don't enable anything if the ih is disabled */ 3040 /* don't enable anything if the ih is disabled */
@@ -3070,12 +3066,15 @@ int r600_irq_set(struct radeon_device *rdev)
3070 if (rdev->irq.sw_int) { 3066 if (rdev->irq.sw_int) {
3071 DRM_DEBUG("r600_irq_set: sw int\n"); 3067 DRM_DEBUG("r600_irq_set: sw int\n");
3072 cp_int_cntl |= RB_INT_ENABLE; 3068 cp_int_cntl |= RB_INT_ENABLE;
3069 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
3073 } 3070 }
3074 if (rdev->irq.crtc_vblank_int[0]) { 3071 if (rdev->irq.crtc_vblank_int[0] ||
3072 rdev->irq.pflip[0]) {
3075 DRM_DEBUG("r600_irq_set: vblank 0\n"); 3073 DRM_DEBUG("r600_irq_set: vblank 0\n");
3076 mode_int |= D1MODE_VBLANK_INT_MASK; 3074 mode_int |= D1MODE_VBLANK_INT_MASK;
3077 } 3075 }
3078 if (rdev->irq.crtc_vblank_int[1]) { 3076 if (rdev->irq.crtc_vblank_int[1] ||
3077 rdev->irq.pflip[1]) {
3079 DRM_DEBUG("r600_irq_set: vblank 1\n"); 3078 DRM_DEBUG("r600_irq_set: vblank 1\n");
3080 mode_int |= D2MODE_VBLANK_INT_MASK; 3079 mode_int |= D2MODE_VBLANK_INT_MASK;
3081 } 3080 }
@@ -3118,6 +3117,8 @@ int r600_irq_set(struct radeon_device *rdev)
3118 3117
3119 WREG32(CP_INT_CNTL, cp_int_cntl); 3118 WREG32(CP_INT_CNTL, cp_int_cntl);
3120 WREG32(DxMODE_INT_MASK, mode_int); 3119 WREG32(DxMODE_INT_MASK, mode_int);
3120 WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
3121 WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
3121 WREG32(GRBM_INT_CNTL, grbm_int_cntl); 3122 WREG32(GRBM_INT_CNTL, grbm_int_cntl);
3122 WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1); 3123 WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1);
3123 if (ASIC_IS_DCE3(rdev)) { 3124 if (ASIC_IS_DCE3(rdev)) {
@@ -3140,32 +3141,35 @@ int r600_irq_set(struct radeon_device *rdev)
3140 return 0; 3141 return 0;
3141} 3142}
3142 3143
3143static inline void r600_irq_ack(struct radeon_device *rdev, 3144static inline void r600_irq_ack(struct radeon_device *rdev)
3144 u32 *disp_int,
3145 u32 *disp_int_cont,
3146 u32 *disp_int_cont2)
3147{ 3145{
3148 u32 tmp; 3146 u32 tmp;
3149 3147
3150 if (ASIC_IS_DCE3(rdev)) { 3148 if (ASIC_IS_DCE3(rdev)) {
3151 *disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS); 3149 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
3152 *disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE); 3150 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
3153 *disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2); 3151 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
3154 } else { 3152 } else {
3155 *disp_int = RREG32(DISP_INTERRUPT_STATUS); 3153 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
3156 *disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); 3154 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
3157 *disp_int_cont2 = 0; 3155 rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
3158 } 3156 }
3159 3157 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
3160 if (*disp_int & LB_D1_VBLANK_INTERRUPT) 3158 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
3159
3160 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3161 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3162 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3163 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3164 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
3161 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3165 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3162 if (*disp_int & LB_D1_VLINE_INTERRUPT) 3166 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
3163 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3167 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3164 if (*disp_int & LB_D2_VBLANK_INTERRUPT) 3168 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
3165 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3169 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3166 if (*disp_int & LB_D2_VLINE_INTERRUPT) 3170 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
3167 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3171 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3168 if (*disp_int & DC_HPD1_INTERRUPT) { 3172 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3169 if (ASIC_IS_DCE3(rdev)) { 3173 if (ASIC_IS_DCE3(rdev)) {
3170 tmp = RREG32(DC_HPD1_INT_CONTROL); 3174 tmp = RREG32(DC_HPD1_INT_CONTROL);
3171 tmp |= DC_HPDx_INT_ACK; 3175 tmp |= DC_HPDx_INT_ACK;
@@ -3176,7 +3180,7 @@ static inline void r600_irq_ack(struct radeon_device *rdev,
3176 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 3180 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3177 } 3181 }
3178 } 3182 }
3179 if (*disp_int & DC_HPD2_INTERRUPT) { 3183 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3180 if (ASIC_IS_DCE3(rdev)) { 3184 if (ASIC_IS_DCE3(rdev)) {
3181 tmp = RREG32(DC_HPD2_INT_CONTROL); 3185 tmp = RREG32(DC_HPD2_INT_CONTROL);
3182 tmp |= DC_HPDx_INT_ACK; 3186 tmp |= DC_HPDx_INT_ACK;
@@ -3187,7 +3191,7 @@ static inline void r600_irq_ack(struct radeon_device *rdev,
3187 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 3191 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3188 } 3192 }
3189 } 3193 }
3190 if (*disp_int_cont & DC_HPD3_INTERRUPT) { 3194 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3191 if (ASIC_IS_DCE3(rdev)) { 3195 if (ASIC_IS_DCE3(rdev)) {
3192 tmp = RREG32(DC_HPD3_INT_CONTROL); 3196 tmp = RREG32(DC_HPD3_INT_CONTROL);
3193 tmp |= DC_HPDx_INT_ACK; 3197 tmp |= DC_HPDx_INT_ACK;
@@ -3198,18 +3202,18 @@ static inline void r600_irq_ack(struct radeon_device *rdev,
3198 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 3202 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3199 } 3203 }
3200 } 3204 }
3201 if (*disp_int_cont & DC_HPD4_INTERRUPT) { 3205 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3202 tmp = RREG32(DC_HPD4_INT_CONTROL); 3206 tmp = RREG32(DC_HPD4_INT_CONTROL);
3203 tmp |= DC_HPDx_INT_ACK; 3207 tmp |= DC_HPDx_INT_ACK;
3204 WREG32(DC_HPD4_INT_CONTROL, tmp); 3208 WREG32(DC_HPD4_INT_CONTROL, tmp);
3205 } 3209 }
3206 if (ASIC_IS_DCE32(rdev)) { 3210 if (ASIC_IS_DCE32(rdev)) {
3207 if (*disp_int_cont2 & DC_HPD5_INTERRUPT) { 3211 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3208 tmp = RREG32(DC_HPD5_INT_CONTROL); 3212 tmp = RREG32(DC_HPD5_INT_CONTROL);
3209 tmp |= DC_HPDx_INT_ACK; 3213 tmp |= DC_HPDx_INT_ACK;
3210 WREG32(DC_HPD5_INT_CONTROL, tmp); 3214 WREG32(DC_HPD5_INT_CONTROL, tmp);
3211 } 3215 }
3212 if (*disp_int_cont2 & DC_HPD6_INTERRUPT) { 3216 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3213 tmp = RREG32(DC_HPD5_INT_CONTROL); 3217 tmp = RREG32(DC_HPD5_INT_CONTROL);
3214 tmp |= DC_HPDx_INT_ACK; 3218 tmp |= DC_HPDx_INT_ACK;
3215 WREG32(DC_HPD6_INT_CONTROL, tmp); 3219 WREG32(DC_HPD6_INT_CONTROL, tmp);
@@ -3231,12 +3235,10 @@ static inline void r600_irq_ack(struct radeon_device *rdev,
3231 3235
3232void r600_irq_disable(struct radeon_device *rdev) 3236void r600_irq_disable(struct radeon_device *rdev)
3233{ 3237{
3234 u32 disp_int, disp_int_cont, disp_int_cont2;
3235
3236 r600_disable_interrupts(rdev); 3238 r600_disable_interrupts(rdev);
3237 /* Wait and acknowledge irq */ 3239 /* Wait and acknowledge irq */
3238 mdelay(1); 3240 mdelay(1);
3239 r600_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2); 3241 r600_irq_ack(rdev);
3240 r600_disable_interrupt_state(rdev); 3242 r600_disable_interrupt_state(rdev);
3241} 3243}
3242 3244
@@ -3244,8 +3246,10 @@ static inline u32 r600_get_ih_wptr(struct radeon_device *rdev)
3244{ 3246{
3245 u32 wptr, tmp; 3247 u32 wptr, tmp;
3246 3248
3247 /* XXX use writeback */ 3249 if (rdev->wb.enabled)
3248 wptr = RREG32(IH_RB_WPTR); 3250 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
3251 else
3252 wptr = RREG32(IH_RB_WPTR);
3249 3253
3250 if (wptr & RB_OVERFLOW) { 3254 if (wptr & RB_OVERFLOW) {
3251 /* When a ring buffer overflow happen start parsing interrupt 3255 /* When a ring buffer overflow happen start parsing interrupt
@@ -3294,54 +3298,57 @@ static inline u32 r600_get_ih_wptr(struct radeon_device *rdev)
3294 3298
3295int r600_irq_process(struct radeon_device *rdev) 3299int r600_irq_process(struct radeon_device *rdev)
3296{ 3300{
3297 u32 wptr = r600_get_ih_wptr(rdev); 3301 u32 wptr;
3298 u32 rptr = rdev->ih.rptr; 3302 u32 rptr;
3299 u32 src_id, src_data; 3303 u32 src_id, src_data;
3300 u32 ring_index, disp_int, disp_int_cont, disp_int_cont2; 3304 u32 ring_index;
3301 unsigned long flags; 3305 unsigned long flags;
3302 bool queue_hotplug = false; 3306 bool queue_hotplug = false;
3303 3307
3304 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); 3308 if (!rdev->ih.enabled || rdev->shutdown)
3305 if (!rdev->ih.enabled)
3306 return IRQ_NONE; 3309 return IRQ_NONE;
3307 3310
3311 wptr = r600_get_ih_wptr(rdev);
3312 rptr = rdev->ih.rptr;
3313 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
3314
3308 spin_lock_irqsave(&rdev->ih.lock, flags); 3315 spin_lock_irqsave(&rdev->ih.lock, flags);
3309 3316
3310 if (rptr == wptr) { 3317 if (rptr == wptr) {
3311 spin_unlock_irqrestore(&rdev->ih.lock, flags); 3318 spin_unlock_irqrestore(&rdev->ih.lock, flags);
3312 return IRQ_NONE; 3319 return IRQ_NONE;
3313 } 3320 }
3314 if (rdev->shutdown) {
3315 spin_unlock_irqrestore(&rdev->ih.lock, flags);
3316 return IRQ_NONE;
3317 }
3318 3321
3319restart_ih: 3322restart_ih:
3320 /* display interrupts */ 3323 /* display interrupts */
3321 r600_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2); 3324 r600_irq_ack(rdev);
3322 3325
3323 rdev->ih.wptr = wptr; 3326 rdev->ih.wptr = wptr;
3324 while (rptr != wptr) { 3327 while (rptr != wptr) {
3325 /* wptr/rptr are in bytes! */ 3328 /* wptr/rptr are in bytes! */
3326 ring_index = rptr / 4; 3329 ring_index = rptr / 4;
3327 src_id = rdev->ih.ring[ring_index] & 0xff; 3330 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
3328 src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff; 3331 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
3329 3332
3330 switch (src_id) { 3333 switch (src_id) {
3331 case 1: /* D1 vblank/vline */ 3334 case 1: /* D1 vblank/vline */
3332 switch (src_data) { 3335 switch (src_data) {
3333 case 0: /* D1 vblank */ 3336 case 0: /* D1 vblank */
3334 if (disp_int & LB_D1_VBLANK_INTERRUPT) { 3337 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
3335 drm_handle_vblank(rdev->ddev, 0); 3338 if (rdev->irq.crtc_vblank_int[0]) {
3336 rdev->pm.vblank_sync = true; 3339 drm_handle_vblank(rdev->ddev, 0);
3337 wake_up(&rdev->irq.vblank_queue); 3340 rdev->pm.vblank_sync = true;
3338 disp_int &= ~LB_D1_VBLANK_INTERRUPT; 3341 wake_up(&rdev->irq.vblank_queue);
3342 }
3343 if (rdev->irq.pflip[0])
3344 radeon_crtc_handle_flip(rdev, 0);
3345 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
3339 DRM_DEBUG("IH: D1 vblank\n"); 3346 DRM_DEBUG("IH: D1 vblank\n");
3340 } 3347 }
3341 break; 3348 break;
3342 case 1: /* D1 vline */ 3349 case 1: /* D1 vline */
3343 if (disp_int & LB_D1_VLINE_INTERRUPT) { 3350 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
3344 disp_int &= ~LB_D1_VLINE_INTERRUPT; 3351 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
3345 DRM_DEBUG("IH: D1 vline\n"); 3352 DRM_DEBUG("IH: D1 vline\n");
3346 } 3353 }
3347 break; 3354 break;
@@ -3353,17 +3360,21 @@ restart_ih:
3353 case 5: /* D2 vblank/vline */ 3360 case 5: /* D2 vblank/vline */
3354 switch (src_data) { 3361 switch (src_data) {
3355 case 0: /* D2 vblank */ 3362 case 0: /* D2 vblank */
3356 if (disp_int & LB_D2_VBLANK_INTERRUPT) { 3363 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
3357 drm_handle_vblank(rdev->ddev, 1); 3364 if (rdev->irq.crtc_vblank_int[1]) {
3358 rdev->pm.vblank_sync = true; 3365 drm_handle_vblank(rdev->ddev, 1);
3359 wake_up(&rdev->irq.vblank_queue); 3366 rdev->pm.vblank_sync = true;
3360 disp_int &= ~LB_D2_VBLANK_INTERRUPT; 3367 wake_up(&rdev->irq.vblank_queue);
3368 }
3369 if (rdev->irq.pflip[1])
3370 radeon_crtc_handle_flip(rdev, 1);
3371 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
3361 DRM_DEBUG("IH: D2 vblank\n"); 3372 DRM_DEBUG("IH: D2 vblank\n");
3362 } 3373 }
3363 break; 3374 break;
3364 case 1: /* D1 vline */ 3375 case 1: /* D1 vline */
3365 if (disp_int & LB_D2_VLINE_INTERRUPT) { 3376 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
3366 disp_int &= ~LB_D2_VLINE_INTERRUPT; 3377 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
3367 DRM_DEBUG("IH: D2 vline\n"); 3378 DRM_DEBUG("IH: D2 vline\n");
3368 } 3379 }
3369 break; 3380 break;
@@ -3375,43 +3386,43 @@ restart_ih:
3375 case 19: /* HPD/DAC hotplug */ 3386 case 19: /* HPD/DAC hotplug */
3376 switch (src_data) { 3387 switch (src_data) {
3377 case 0: 3388 case 0:
3378 if (disp_int & DC_HPD1_INTERRUPT) { 3389 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3379 disp_int &= ~DC_HPD1_INTERRUPT; 3390 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
3380 queue_hotplug = true; 3391 queue_hotplug = true;
3381 DRM_DEBUG("IH: HPD1\n"); 3392 DRM_DEBUG("IH: HPD1\n");
3382 } 3393 }
3383 break; 3394 break;
3384 case 1: 3395 case 1:
3385 if (disp_int & DC_HPD2_INTERRUPT) { 3396 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3386 disp_int &= ~DC_HPD2_INTERRUPT; 3397 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
3387 queue_hotplug = true; 3398 queue_hotplug = true;
3388 DRM_DEBUG("IH: HPD2\n"); 3399 DRM_DEBUG("IH: HPD2\n");
3389 } 3400 }
3390 break; 3401 break;
3391 case 4: 3402 case 4:
3392 if (disp_int_cont & DC_HPD3_INTERRUPT) { 3403 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3393 disp_int_cont &= ~DC_HPD3_INTERRUPT; 3404 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
3394 queue_hotplug = true; 3405 queue_hotplug = true;
3395 DRM_DEBUG("IH: HPD3\n"); 3406 DRM_DEBUG("IH: HPD3\n");
3396 } 3407 }
3397 break; 3408 break;
3398 case 5: 3409 case 5:
3399 if (disp_int_cont & DC_HPD4_INTERRUPT) { 3410 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3400 disp_int_cont &= ~DC_HPD4_INTERRUPT; 3411 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
3401 queue_hotplug = true; 3412 queue_hotplug = true;
3402 DRM_DEBUG("IH: HPD4\n"); 3413 DRM_DEBUG("IH: HPD4\n");
3403 } 3414 }
3404 break; 3415 break;
3405 case 10: 3416 case 10:
3406 if (disp_int_cont2 & DC_HPD5_INTERRUPT) { 3417 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3407 disp_int_cont2 &= ~DC_HPD5_INTERRUPT; 3418 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
3408 queue_hotplug = true; 3419 queue_hotplug = true;
3409 DRM_DEBUG("IH: HPD5\n"); 3420 DRM_DEBUG("IH: HPD5\n");
3410 } 3421 }
3411 break; 3422 break;
3412 case 12: 3423 case 12:
3413 if (disp_int_cont2 & DC_HPD6_INTERRUPT) { 3424 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3414 disp_int_cont2 &= ~DC_HPD6_INTERRUPT; 3425 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
3415 queue_hotplug = true; 3426 queue_hotplug = true;
3416 DRM_DEBUG("IH: HPD6\n"); 3427 DRM_DEBUG("IH: HPD6\n");
3417 } 3428 }
@@ -3433,9 +3444,10 @@ restart_ih:
3433 break; 3444 break;
3434 case 181: /* CP EOP event */ 3445 case 181: /* CP EOP event */
3435 DRM_DEBUG("IH: CP EOP\n"); 3446 DRM_DEBUG("IH: CP EOP\n");
3447 radeon_fence_process(rdev);
3436 break; 3448 break;
3437 case 233: /* GUI IDLE */ 3449 case 233: /* GUI IDLE */
3438 DRM_DEBUG("IH: CP EOP\n"); 3450 DRM_DEBUG("IH: GUI idle\n");
3439 rdev->pm.gui_idle = true; 3451 rdev->pm.gui_idle = true;
3440 wake_up(&rdev->irq.idle_queue); 3452 wake_up(&rdev->irq.idle_queue);
3441 break; 3453 break;
@@ -3453,7 +3465,7 @@ restart_ih:
3453 if (wptr != rdev->ih.wptr) 3465 if (wptr != rdev->ih.wptr)
3454 goto restart_ih; 3466 goto restart_ih;
3455 if (queue_hotplug) 3467 if (queue_hotplug)
3456 queue_work(rdev->wq, &rdev->hotplug_work); 3468 schedule_work(&rdev->hotplug_work);
3457 rdev->ih.rptr = rptr; 3469 rdev->ih.rptr = rptr;
3458 WREG32(IH_RB_RPTR, rdev->ih.rptr); 3470 WREG32(IH_RB_RPTR, rdev->ih.rptr);
3459 spin_unlock_irqrestore(&rdev->ih.lock, flags); 3471 spin_unlock_irqrestore(&rdev->ih.lock, flags);
@@ -3528,10 +3540,12 @@ int r600_debugfs_mc_info_init(struct radeon_device *rdev)
3528void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo) 3540void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
3529{ 3541{
3530 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 3542 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
3531 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL 3543 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
3544 * This seems to cause problems on some AGP cards. Just use the old
3545 * method for them.
3532 */ 3546 */
3533 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 3547 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
3534 rdev->vram_scratch.ptr) { 3548 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
3535 void __iomem *ptr = (void *)rdev->vram_scratch.ptr; 3549 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
3536 u32 tmp; 3550 u32 tmp;
3537 3551
@@ -3540,3 +3554,222 @@ void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
3540 } else 3554 } else
3541 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 3555 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
3542} 3556}
3557
3558void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
3559{
3560 u32 link_width_cntl, mask, target_reg;
3561
3562 if (rdev->flags & RADEON_IS_IGP)
3563 return;
3564
3565 if (!(rdev->flags & RADEON_IS_PCIE))
3566 return;
3567
3568 /* x2 cards have a special sequence */
3569 if (ASIC_IS_X2(rdev))
3570 return;
3571
3572 /* FIXME wait for idle */
3573
3574 switch (lanes) {
3575 case 0:
3576 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
3577 break;
3578 case 1:
3579 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
3580 break;
3581 case 2:
3582 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
3583 break;
3584 case 4:
3585 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
3586 break;
3587 case 8:
3588 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
3589 break;
3590 case 12:
3591 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
3592 break;
3593 case 16:
3594 default:
3595 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
3596 break;
3597 }
3598
3599 link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3600
3601 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
3602 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
3603 return;
3604
3605 if (link_width_cntl & R600_PCIE_LC_UPCONFIGURE_DIS)
3606 return;
3607
3608 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
3609 RADEON_PCIE_LC_RECONFIG_NOW |
3610 R600_PCIE_LC_RENEGOTIATE_EN |
3611 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
3612 link_width_cntl |= mask;
3613
3614 WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3615
3616 /* some northbridges can renegotiate the link rather than requiring
3617 * a complete re-config.
3618 * e.g., AMD 780/790 northbridges (pci ids: 0x5956, 0x5957, 0x5958, etc.)
3619 */
3620 if (link_width_cntl & R600_PCIE_LC_RENEGOTIATION_SUPPORT)
3621 link_width_cntl |= R600_PCIE_LC_RENEGOTIATE_EN | R600_PCIE_LC_UPCONFIGURE_SUPPORT;
3622 else
3623 link_width_cntl |= R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE;
3624
3625 WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
3626 RADEON_PCIE_LC_RECONFIG_NOW));
3627
3628 if (rdev->family >= CHIP_RV770)
3629 target_reg = R700_TARGET_AND_CURRENT_PROFILE_INDEX;
3630 else
3631 target_reg = R600_TARGET_AND_CURRENT_PROFILE_INDEX;
3632
3633 /* wait for lane set to complete */
3634 link_width_cntl = RREG32(target_reg);
3635 while (link_width_cntl == 0xffffffff)
3636 link_width_cntl = RREG32(target_reg);
3637
3638}
3639
3640int r600_get_pcie_lanes(struct radeon_device *rdev)
3641{
3642 u32 link_width_cntl;
3643
3644 if (rdev->flags & RADEON_IS_IGP)
3645 return 0;
3646
3647 if (!(rdev->flags & RADEON_IS_PCIE))
3648 return 0;
3649
3650 /* x2 cards have a special sequence */
3651 if (ASIC_IS_X2(rdev))
3652 return 0;
3653
3654 /* FIXME wait for idle */
3655
3656 link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3657
3658 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
3659 case RADEON_PCIE_LC_LINK_WIDTH_X0:
3660 return 0;
3661 case RADEON_PCIE_LC_LINK_WIDTH_X1:
3662 return 1;
3663 case RADEON_PCIE_LC_LINK_WIDTH_X2:
3664 return 2;
3665 case RADEON_PCIE_LC_LINK_WIDTH_X4:
3666 return 4;
3667 case RADEON_PCIE_LC_LINK_WIDTH_X8:
3668 return 8;
3669 case RADEON_PCIE_LC_LINK_WIDTH_X16:
3670 default:
3671 return 16;
3672 }
3673}
3674
3675static void r600_pcie_gen2_enable(struct radeon_device *rdev)
3676{
3677 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
3678 u16 link_cntl2;
3679
3680 if (radeon_pcie_gen2 == 0)
3681 return;
3682
3683 if (rdev->flags & RADEON_IS_IGP)
3684 return;
3685
3686 if (!(rdev->flags & RADEON_IS_PCIE))
3687 return;
3688
3689 /* x2 cards have a special sequence */
3690 if (ASIC_IS_X2(rdev))
3691 return;
3692
3693 /* only RV6xx+ chips are supported */
3694 if (rdev->family <= CHIP_R600)
3695 return;
3696
3697 /* 55 nm r6xx asics */
3698 if ((rdev->family == CHIP_RV670) ||
3699 (rdev->family == CHIP_RV620) ||
3700 (rdev->family == CHIP_RV635)) {
3701 /* advertise upconfig capability */
3702 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3703 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3704 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3705 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3706 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
3707 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
3708 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
3709 LC_RECONFIG_ARC_MISSING_ESCAPE);
3710 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
3711 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3712 } else {
3713 link_width_cntl |= LC_UPCONFIGURE_DIS;
3714 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3715 }
3716 }
3717
3718 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3719 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3720 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3721
3722 /* 55 nm r6xx asics */
3723 if ((rdev->family == CHIP_RV670) ||
3724 (rdev->family == CHIP_RV620) ||
3725 (rdev->family == CHIP_RV635)) {
3726 WREG32(MM_CFGREGS_CNTL, 0x8);
3727 link_cntl2 = RREG32(0x4088);
3728 WREG32(MM_CFGREGS_CNTL, 0);
3729 /* not supported yet */
3730 if (link_cntl2 & SELECTABLE_DEEMPHASIS)
3731 return;
3732 }
3733
3734 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
3735 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
3736 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
3737 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
3738 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
3739 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3740
3741 tmp = RREG32(0x541c);
3742 WREG32(0x541c, tmp | 0x8);
3743 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
3744 link_cntl2 = RREG16(0x4088);
3745 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
3746 link_cntl2 |= 0x2;
3747 WREG16(0x4088, link_cntl2);
3748 WREG32(MM_CFGREGS_CNTL, 0);
3749
3750 if ((rdev->family == CHIP_RV670) ||
3751 (rdev->family == CHIP_RV620) ||
3752 (rdev->family == CHIP_RV635)) {
3753 training_cntl = RREG32_PCIE_P(PCIE_LC_TRAINING_CNTL);
3754 training_cntl &= ~LC_POINT_7_PLUS_EN;
3755 WREG32_PCIE_P(PCIE_LC_TRAINING_CNTL, training_cntl);
3756 } else {
3757 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3758 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3759 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3760 }
3761
3762 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3763 speed_cntl |= LC_GEN2_EN_STRAP;
3764 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3765
3766 } else {
3767 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3768 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3769 if (1)
3770 link_width_cntl |= LC_UPCONFIGURE_DIS;
3771 else
3772 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3773 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3774 }
3775}
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-16 19:25:22 -0400