diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 1162 |
1 files changed, 1095 insertions, 67 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 6740ed24358f..a0ac3c134b1b 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -38,8 +38,10 @@ #define PFP_UCODE_SIZE 576 #define PM4_UCODE_SIZE 1792 +#define RLC_UCODE_SIZE 768 #define R700_PFP_UCODE_SIZE 848 #define R700_PM4_UCODE_SIZE 1360 +#define R700_RLC_UCODE_SIZE 1024 /* Firmware Names */ MODULE_FIRMWARE("radeon/R600_pfp.bin"); @@ -62,6 +64,8 @@ MODULE_FIRMWARE("radeon/RV730_pfp.bin"); MODULE_FIRMWARE("radeon/RV730_me.bin"); MODULE_FIRMWARE("radeon/RV710_pfp.bin"); MODULE_FIRMWARE("radeon/RV710_me.bin"); +MODULE_FIRMWARE("radeon/R600_rlc.bin"); +MODULE_FIRMWARE("radeon/R700_rlc.bin"); int r600_debugfs_mc_info_init(struct radeon_device *rdev); @@ -70,6 +74,281 @@ int r600_mc_wait_for_idle(struct radeon_device *rdev); void r600_gpu_init(struct radeon_device *rdev); void r600_fini(struct radeon_device *rdev); +/* hpd for digital panel detect/disconnect */ +bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) +{ + bool connected = false; + + if (ASIC_IS_DCE3(rdev)) { + switch (hpd) { + case RADEON_HPD_1: + if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE) + connected = true; + break; + case RADEON_HPD_2: + if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE) + connected = true; + break; + case RADEON_HPD_3: + if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE) + connected = true; + break; + case RADEON_HPD_4: + if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE) + connected = true; + break; + /* DCE 3.2 */ + case RADEON_HPD_5: + if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE) + connected = true; + break; + case RADEON_HPD_6: + if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) + connected = true; + break; + default: + break; + } + } else { + switch (hpd) { + case RADEON_HPD_1: + if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) + connected = true; + break; + case RADEON_HPD_2: + if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) + connected = true; + break; + case RADEON_HPD_3: + if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) + connected = true; + break; + default: + break; + } + } + return connected; +} + +void r600_hpd_set_polarity(struct radeon_device *rdev, + enum radeon_hpd_id hpd) +{ + u32 tmp; + bool connected = r600_hpd_sense(rdev, hpd); + + if (ASIC_IS_DCE3(rdev)) { + switch (hpd) { + case RADEON_HPD_1: + tmp = RREG32(DC_HPD1_INT_CONTROL); + if (connected) + tmp &= ~DC_HPDx_INT_POLARITY; + else + tmp |= DC_HPDx_INT_POLARITY; + WREG32(DC_HPD1_INT_CONTROL, tmp); + break; + case RADEON_HPD_2: + tmp = RREG32(DC_HPD2_INT_CONTROL); + if (connected) + tmp &= ~DC_HPDx_INT_POLARITY; + else + tmp |= DC_HPDx_INT_POLARITY; + WREG32(DC_HPD2_INT_CONTROL, tmp); + break; + case RADEON_HPD_3: + tmp = RREG32(DC_HPD3_INT_CONTROL); + if (connected) + tmp &= ~DC_HPDx_INT_POLARITY; + else + tmp |= DC_HPDx_INT_POLARITY; + WREG32(DC_HPD3_INT_CONTROL, tmp); + break; + case RADEON_HPD_4: + tmp = RREG32(DC_HPD4_INT_CONTROL); + if (connected) + tmp &= ~DC_HPDx_INT_POLARITY; + else + tmp |= DC_HPDx_INT_POLARITY; + WREG32(DC_HPD4_INT_CONTROL, tmp); + break; + case RADEON_HPD_5: + tmp = RREG32(DC_HPD5_INT_CONTROL); + if (connected) + tmp &= ~DC_HPDx_INT_POLARITY; + else + tmp |= DC_HPDx_INT_POLARITY; + WREG32(DC_HPD5_INT_CONTROL, tmp); + break; + /* DCE 3.2 */ + case RADEON_HPD_6: + tmp = RREG32(DC_HPD6_INT_CONTROL); + if (connected) + tmp &= ~DC_HPDx_INT_POLARITY; + else + tmp |= DC_HPDx_INT_POLARITY; + WREG32(DC_HPD6_INT_CONTROL, tmp); + break; + default: + break; + } + } else { + switch (hpd) { + case RADEON_HPD_1: + tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); + if (connected) + tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; + else + tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; + WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); + break; + case RADEON_HPD_2: + tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); + if (connected) + tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; + else + tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; + WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); + break; + case RADEON_HPD_3: + tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); + if (connected) + tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; + else + tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; + WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); + break; + default: + break; + } + } +} + +void r600_hpd_init(struct radeon_device *rdev) +{ + struct drm_device *dev = rdev->ddev; + struct drm_connector *connector; + + if (ASIC_IS_DCE3(rdev)) { + u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa); + if (ASIC_IS_DCE32(rdev)) + tmp |= DC_HPDx_EN; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + switch (radeon_connector->hpd.hpd) { + case RADEON_HPD_1: + WREG32(DC_HPD1_CONTROL, tmp); + rdev->irq.hpd[0] = true; + break; + case RADEON_HPD_2: + WREG32(DC_HPD2_CONTROL, tmp); + rdev->irq.hpd[1] = true; + break; + case RADEON_HPD_3: + WREG32(DC_HPD3_CONTROL, tmp); + rdev->irq.hpd[2] = true; + break; + case RADEON_HPD_4: + WREG32(DC_HPD4_CONTROL, tmp); + rdev->irq.hpd[3] = true; + break; + /* DCE 3.2 */ + case RADEON_HPD_5: + WREG32(DC_HPD5_CONTROL, tmp); + rdev->irq.hpd[4] = true; + break; + case RADEON_HPD_6: + WREG32(DC_HPD6_CONTROL, tmp); + rdev->irq.hpd[5] = true; + break; + default: + break; + } + } + } else { + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + switch (radeon_connector->hpd.hpd) { + case RADEON_HPD_1: + WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN); + rdev->irq.hpd[0] = true; + break; + case RADEON_HPD_2: + WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN); + rdev->irq.hpd[1] = true; + break; + case RADEON_HPD_3: + WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN); + rdev->irq.hpd[2] = true; + break; + default: + break; + } + } + } + r600_irq_set(rdev); +} + +void r600_hpd_fini(struct radeon_device *rdev) +{ + struct drm_device *dev = rdev->ddev; + struct drm_connector *connector; + + if (ASIC_IS_DCE3(rdev)) { + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + switch (radeon_connector->hpd.hpd) { + case RADEON_HPD_1: + WREG32(DC_HPD1_CONTROL, 0); + rdev->irq.hpd[0] = false; + break; + case RADEON_HPD_2: + WREG32(DC_HPD2_CONTROL, 0); + rdev->irq.hpd[1] = false; + break; + case RADEON_HPD_3: + WREG32(DC_HPD3_CONTROL, 0); + rdev->irq.hpd[2] = false; + break; + case RADEON_HPD_4: + WREG32(DC_HPD4_CONTROL, 0); + rdev->irq.hpd[3] = false; + break; + /* DCE 3.2 */ + case RADEON_HPD_5: + WREG32(DC_HPD5_CONTROL, 0); + rdev->irq.hpd[4] = false; + break; + case RADEON_HPD_6: + WREG32(DC_HPD6_CONTROL, 0); + rdev->irq.hpd[5] = false; + break; + default: + break; + } + } + } else { + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + switch (radeon_connector->hpd.hpd) { + case RADEON_HPD_1: + WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0); + rdev->irq.hpd[0] = false; + break; + case RADEON_HPD_2: + WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0); + rdev->irq.hpd[1] = false; + break; + case RADEON_HPD_3: + WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0); + rdev->irq.hpd[2] = false; + break; + default: + break; + } + } + } +} + /* * R600 PCIE GART */ @@ -180,7 +459,7 @@ int r600_pcie_gart_enable(struct radeon_device *rdev) void r600_pcie_gart_disable(struct radeon_device *rdev) { u32 tmp; - int i; + int i, r; /* Disable all tables */ for (i = 0; i < 7; i++) @@ -208,8 +487,12 @@ void r600_pcie_gart_disable(struct radeon_device *rdev) WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp); WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); if (rdev->gart.table.vram.robj) { - radeon_object_kunmap(rdev->gart.table.vram.robj); - radeon_object_unpin(rdev->gart.table.vram.robj); + r = radeon_bo_reserve(rdev->gart.table.vram.robj, false); + if (likely(r == 0)) { + radeon_bo_kunmap(rdev->gart.table.vram.robj); + radeon_bo_unpin(rdev->gart.table.vram.robj); + radeon_bo_unreserve(rdev->gart.table.vram.robj); + } } } @@ -1101,6 +1384,10 @@ void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) (void)RREG32(PCIE_PORT_DATA); } +void r600_hdp_flush(struct radeon_device *rdev) +{ + WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); +} /* * CP & Ring @@ -1110,11 +1397,12 @@ void r600_cp_stop(struct radeon_device *rdev) WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); } -int r600_cp_init_microcode(struct radeon_device *rdev) +int r600_init_microcode(struct radeon_device *rdev) { struct platform_device *pdev; const char *chip_name; - size_t pfp_req_size, me_req_size; + const char *rlc_chip_name; + size_t pfp_req_size, me_req_size, rlc_req_size; char fw_name[30]; int err; @@ -1128,30 +1416,62 @@ int r600_cp_init_microcode(struct radeon_device *rdev) } switch (rdev->family) { - case CHIP_R600: chip_name = "R600"; break; - case CHIP_RV610: chip_name = "RV610"; break; - case CHIP_RV630: chip_name = "RV630"; break; - case CHIP_RV620: chip_name = "RV620"; break; - case CHIP_RV635: chip_name = "RV635"; break; - case CHIP_RV670: chip_name = "RV670"; break; + case CHIP_R600: + chip_name = "R600"; + rlc_chip_name = "R600"; + break; + case CHIP_RV610: + chip_name = "RV610"; + rlc_chip_name = "R600"; + break; + case CHIP_RV630: + chip_name = "RV630"; + rlc_chip_name = "R600"; + break; + case CHIP_RV620: + chip_name = "RV620"; + rlc_chip_name = "R600"; + break; + case CHIP_RV635: + chip_name = "RV635"; + rlc_chip_name = "R600"; + break; + case CHIP_RV670: + chip_name = "RV670"; + rlc_chip_name = "R600"; + break; case CHIP_RS780: - case CHIP_RS880: chip_name = "RS780"; break; - case CHIP_RV770: chip_name = "RV770"; break; + case CHIP_RS880: + chip_name = "RS780"; + rlc_chip_name = "R600"; + break; + case CHIP_RV770: + chip_name = "RV770"; + rlc_chip_name = "R700"; + break; case CHIP_RV730: - case CHIP_RV740: chip_name = "RV730"; break; - case CHIP_RV710: chip_name = "RV710"; break; + case CHIP_RV740: + chip_name = "RV730"; + rlc_chip_name = "R700"; + break; + case CHIP_RV710: + chip_name = "RV710"; + rlc_chip_name = "R700"; + break; default: BUG(); } if (rdev->family >= CHIP_RV770) { pfp_req_size = R700_PFP_UCODE_SIZE * 4; me_req_size = R700_PM4_UCODE_SIZE * 4; + rlc_req_size = R700_RLC_UCODE_SIZE * 4; } else { pfp_req_size = PFP_UCODE_SIZE * 4; me_req_size = PM4_UCODE_SIZE * 12; + rlc_req_size = RLC_UCODE_SIZE * 4; } - DRM_INFO("Loading %s CP Microcode\n", chip_name); + DRM_INFO("Loading %s Microcode\n", chip_name); snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev); @@ -1175,6 +1495,18 @@ int r600_cp_init_microcode(struct radeon_device *rdev) rdev->me_fw->size, fw_name); err = -EINVAL; } + + snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); + err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev); + if (err) + goto out; + if (rdev->rlc_fw->size != rlc_req_size) { + printk(KERN_ERR + "r600_rlc: Bogus length %zu in firmware \"%s\"\n", + rdev->rlc_fw->size, fw_name); + err = -EINVAL; + } + out: platform_device_unregister(pdev); @@ -1187,6 +1519,8 @@ out: rdev->pfp_fw = NULL; release_firmware(rdev->me_fw); rdev->me_fw = NULL; + release_firmware(rdev->rlc_fw); + rdev->rlc_fw = NULL; } return err; } @@ -1381,10 +1715,16 @@ int r600_ring_test(struct radeon_device *rdev) void r600_wb_disable(struct radeon_device *rdev) { + int r; + WREG32(SCRATCH_UMSK, 0); if (rdev->wb.wb_obj) { - radeon_object_kunmap(rdev->wb.wb_obj); - radeon_object_unpin(rdev->wb.wb_obj); + r = radeon_bo_reserve(rdev->wb.wb_obj, false); + if (unlikely(r != 0)) + return; + radeon_bo_kunmap(rdev->wb.wb_obj); + radeon_bo_unpin(rdev->wb.wb_obj); + radeon_bo_unreserve(rdev->wb.wb_obj); } } @@ -1392,7 +1732,7 @@ void r600_wb_fini(struct radeon_device *rdev) { r600_wb_disable(rdev); if (rdev->wb.wb_obj) { - radeon_object_unref(&rdev->wb.wb_obj); + radeon_bo_unref(&rdev->wb.wb_obj); rdev->wb.wb = NULL; rdev->wb.wb_obj = NULL; } @@ -1403,22 +1743,29 @@ int r600_wb_enable(struct radeon_device *rdev) int r; if (rdev->wb.wb_obj == NULL) { - r = radeon_object_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true, - RADEON_GEM_DOMAIN_GTT, false, &rdev->wb.wb_obj); + r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true, + RADEON_GEM_DOMAIN_GTT, &rdev->wb.wb_obj); if (r) { - dev_warn(rdev->dev, "failed to create WB buffer (%d).\n", r); + dev_warn(rdev->dev, "(%d) create WB bo failed\n", r); return r; } - r = radeon_object_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT, + r = radeon_bo_reserve(rdev->wb.wb_obj, false); + if (unlikely(r != 0)) { + r600_wb_fini(rdev); + return r; + } + r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT, &rdev->wb.gpu_addr); if (r) { - dev_warn(rdev->dev, "failed to pin WB buffer (%d).\n", r); + radeon_bo_unreserve(rdev->wb.wb_obj); + dev_warn(rdev->dev, "(%d) pin WB bo failed\n", r); r600_wb_fini(rdev); return r; } - r = radeon_object_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb); + r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb); + radeon_bo_unreserve(rdev->wb.wb_obj); if (r) { - dev_warn(rdev->dev, "failed to map WB buffer (%d).\n", r); + dev_warn(rdev->dev, "(%d) map WB bo failed\n", r); r600_wb_fini(rdev); return r; } @@ -1433,10 +1780,14 @@ int r600_wb_enable(struct radeon_device *rdev) void r600_fence_ring_emit(struct radeon_device *rdev, struct radeon_fence *fence) { + /* Also consider EVENT_WRITE_EOP. it handles the interrupts + timestamps + events */ /* Emit fence sequence & fire IRQ */ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1)); radeon_ring_write(rdev, ((rdev->fence_drv.scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); radeon_ring_write(rdev, fence->seq); + /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */ + radeon_ring_write(rdev, PACKET0(CP_INT_STATUS, 0)); + radeon_ring_write(rdev, RB_INT_STAT); } int r600_copy_dma(struct radeon_device *rdev, @@ -1459,18 +1810,6 @@ int r600_copy_blit(struct radeon_device *rdev, return 0; } -int r600_irq_process(struct radeon_device *rdev) -{ - /* FIXME: implement */ - return 0; -} - -int r600_irq_set(struct radeon_device *rdev) -{ - /* FIXME: implement */ - return 0; -} - int r600_set_surface_reg(struct radeon_device *rdev, int reg, uint32_t tiling_flags, uint32_t pitch, uint32_t offset, uint32_t obj_size) @@ -1506,6 +1845,14 @@ int r600_startup(struct radeon_device *rdev) { int r; + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { + r = r600_init_microcode(rdev); + if (r) { + DRM_ERROR("Failed to load firmware!\n"); + return r; + } + } + r600_mc_program(rdev); if (rdev->flags & RADEON_IS_AGP) { r600_agp_enable(rdev); @@ -1516,12 +1863,33 @@ int r600_startup(struct radeon_device *rdev) } r600_gpu_init(rdev); - r = radeon_object_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM, - &rdev->r600_blit.shader_gpu_addr); + if (!rdev->r600_blit.shader_obj) { + r = r600_blit_init(rdev); + if (r) { + DRM_ERROR("radeon: failed blitter (%d).\n", r); + return r; + } + } + + r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); + if (unlikely(r != 0)) + return r; + r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM, + &rdev->r600_blit.shader_gpu_addr); + radeon_bo_unreserve(rdev->r600_blit.shader_obj); + if (r) { + dev_err(rdev->dev, "(%d) pin blit object failed\n", r); + return r; + } + + /* Enable IRQ */ + r = r600_irq_init(rdev); if (r) { - DRM_ERROR("failed to pin blit object %d\n", r); + DRM_ERROR("radeon: IH init failed (%d).\n", r); + radeon_irq_kms_fini(rdev); return r; } + r600_irq_set(rdev); r = radeon_ring_init(rdev, rdev->cp.ring_size); if (r) @@ -1583,13 +1951,19 @@ int r600_resume(struct radeon_device *rdev) int r600_suspend(struct radeon_device *rdev) { + int r; + /* FIXME: we should wait for ring to be empty */ r600_cp_stop(rdev); rdev->cp.ready = false; r600_wb_disable(rdev); r600_pcie_gart_disable(rdev); /* unpin shaders bo */ - radeon_object_unpin(rdev->r600_blit.shader_obj); + r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); + if (unlikely(r != 0)) + return r; + radeon_bo_unpin(rdev->r600_blit.shader_obj); + radeon_bo_unreserve(rdev->r600_blit.shader_obj); return 0; } @@ -1627,7 +2001,11 @@ int r600_init(struct radeon_device *rdev) if (r) return r; /* Post card if necessary */ - if (!r600_card_posted(rdev) && rdev->bios) { + if (!r600_card_posted(rdev)) { + if (!rdev->bios) { + dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); + return -EINVAL; + } DRM_INFO("GPU not posted. posting now...\n"); atom_asic_init(rdev->mode_info.atom_context); } @@ -1650,31 +2028,25 @@ int r600_init(struct radeon_device *rdev) if (r) return r; /* Memory manager */ - r = radeon_object_init(rdev); + r = radeon_bo_init(rdev); if (r) return r; + + r = radeon_irq_kms_init(rdev); + if (r) + return r; + rdev->cp.ring_obj = NULL; r600_ring_init(rdev, 1024 * 1024); - if (!rdev->me_fw || !rdev->pfp_fw) { - r = r600_cp_init_microcode(rdev); - if (r) { - DRM_ERROR("Failed to load firmware!\n"); - return r; - } - } + rdev->ih.ring_obj = NULL; + r600_ih_ring_init(rdev, 64 * 1024); r = r600_pcie_gart_init(rdev); if (r) return r; rdev->accel_working = true; - r = r600_blit_init(rdev); - if (r) { - DRM_ERROR("radeon: failled blitter (%d).\n", r); - return r; - } - r = r600_startup(rdev); if (r) { r600_suspend(rdev); @@ -1686,15 +2058,19 @@ int r600_init(struct radeon_device *rdev) if (rdev->accel_working) { r = radeon_ib_pool_init(rdev); if (r) { - DRM_ERROR("radeon: failled initializing IB pool (%d).\n", r); + DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r); rdev->accel_working = false; } r = r600_ib_test(rdev); if (r) { - DRM_ERROR("radeon: failled testing IB (%d).\n", r); + DRM_ERROR("radeon: failed testing IB (%d).\n", r); rdev->accel_working = false; } } + + r = r600_audio_init(rdev); + if (r) + return r; /* TODO error handling */ return 0; } @@ -1703,7 +2079,10 @@ void r600_fini(struct radeon_device *rdev) /* Suspend operations */ r600_suspend(rdev); + r600_audio_fini(rdev); r600_blit_fini(rdev); + r600_irq_fini(rdev); + radeon_irq_kms_fini(rdev); radeon_ring_fini(rdev); r600_wb_fini(rdev); r600_pcie_gart_fini(rdev); @@ -1712,7 +2091,7 @@ void r600_fini(struct radeon_device *rdev) radeon_clocks_fini(rdev); if (rdev->flags & RADEON_IS_AGP) radeon_agp_fini(rdev); - radeon_object_fini(rdev); + radeon_bo_fini(rdev); radeon_atombios_fini(rdev); kfree(rdev->bios); rdev->bios = NULL; @@ -1798,8 +2177,657 @@ int r600_ib_test(struct radeon_device *rdev) return r; } +/* + * Interrupts + * + * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty + * the same as the CP ring buffer, but in reverse. Rather than the CPU + * writing to the ring and the GPU consuming, the GPU writes to the ring + * and host consumes. As the host irq handler processes interrupts, it + * increments the rptr. When the rptr catches up with the wptr, all the + * current interrupts have been processed. + */ +void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size) +{ + u32 rb_bufsz; + /* Align ring size */ + rb_bufsz = drm_order(ring_size / 4); + ring_size = (1 << rb_bufsz) * 4; + rdev->ih.ring_size = ring_size; + rdev->ih.align_mask = 4 - 1; +} + +static int r600_ih_ring_alloc(struct radeon_device *rdev, unsigned ring_size) +{ + int r; + + rdev->ih.ring_size = ring_size; + /* Allocate ring buffer */ + if (rdev->ih.ring_obj == NULL) { + r = radeon_bo_create(rdev, NULL, rdev->ih.ring_size, + true, + RADEON_GEM_DOMAIN_GTT, + &rdev->ih.ring_obj); + if (r) { + DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r); + return r; + } + r = radeon_bo_reserve(rdev->ih.ring_obj, false); + if (unlikely(r != 0)) + return r; + r = radeon_bo_pin(rdev->ih.ring_obj, + RADEON_GEM_DOMAIN_GTT, + &rdev->ih.gpu_addr); + if (r) { + radeon_bo_unreserve(rdev->ih.ring_obj); + DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r); + return r; + } + r = radeon_bo_kmap(rdev->ih.ring_obj, + (void **)&rdev->ih.ring); + radeon_bo_unreserve(rdev->ih.ring_obj); + if (r) { + DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r); + return r; + } + } + rdev->ih.ptr_mask = (rdev->cp.ring_size / 4) - 1; + rdev->ih.rptr = 0; + + return 0; +} + +static void r600_ih_ring_fini(struct radeon_device *rdev) +{ + int r; + if (rdev->ih.ring_obj) { + r = radeon_bo_reserve(rdev->ih.ring_obj, false); + if (likely(r == 0)) { + radeon_bo_kunmap(rdev->ih.ring_obj); + radeon_bo_unpin(rdev->ih.ring_obj); + radeon_bo_unreserve(rdev->ih.ring_obj); + } + radeon_bo_unref(&rdev->ih.ring_obj); + rdev->ih.ring = NULL; + rdev->ih.ring_obj = NULL; + } +} + +static void r600_rlc_stop(struct radeon_device *rdev) +{ + + if (rdev->family >= CHIP_RV770) { + /* r7xx asics need to soft reset RLC before halting */ + WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC); + RREG32(SRBM_SOFT_RESET); + udelay(15000); + WREG32(SRBM_SOFT_RESET, 0); + RREG32(SRBM_SOFT_RESET); + } + + WREG32(RLC_CNTL, 0); +} + +static void r600_rlc_start(struct radeon_device *rdev) +{ + WREG32(RLC_CNTL, RLC_ENABLE); +} + +static int r600_rlc_init(struct radeon_device *rdev) +{ + u32 i; + const __be32 *fw_data; + + if (!rdev->rlc_fw) + return -EINVAL; + + r600_rlc_stop(rdev); + + WREG32(RLC_HB_BASE, 0); + WREG32(RLC_HB_CNTL, 0); + WREG32(RLC_HB_RPTR, 0); + WREG32(RLC_HB_WPTR, 0); + WREG32(RLC_HB_WPTR_LSB_ADDR, 0); + WREG32(RLC_HB_WPTR_MSB_ADDR, 0); + WREG32(RLC_MC_CNTL, 0); + WREG32(RLC_UCODE_CNTL, 0); + + fw_data = (const __be32 *)rdev->rlc_fw->data; + if (rdev->family >= CHIP_RV770) { + for (i = 0; i < R700_RLC_UCODE_SIZE; i++) { + WREG32(RLC_UCODE_ADDR, i); + WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); + } + } else { + for (i = 0; i < RLC_UCODE_SIZE; i++) { + WREG32(RLC_UCODE_ADDR, i); + WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); + } + } + WREG32(RLC_UCODE_ADDR, 0); + + r600_rlc_start(rdev); + + return 0; +} + +static void r600_enable_interrupts(struct radeon_device *rdev) +{ + u32 ih_cntl = RREG32(IH_CNTL); + u32 ih_rb_cntl = RREG32(IH_RB_CNTL); + + ih_cntl |= ENABLE_INTR; + ih_rb_cntl |= IH_RB_ENABLE; + WREG32(IH_CNTL, ih_cntl); + WREG32(IH_RB_CNTL, ih_rb_cntl); + rdev->ih.enabled = true; +} + +static void r600_disable_interrupts(struct radeon_device *rdev) +{ + u32 ih_rb_cntl = RREG32(IH_RB_CNTL); + u32 ih_cntl = RREG32(IH_CNTL); + + ih_rb_cntl &= ~IH_RB_ENABLE; + ih_cntl &= ~ENABLE_INTR; + WREG32(IH_RB_CNTL, ih_rb_cntl); + WREG32(IH_CNTL, ih_cntl); + /* set rptr, wptr to 0 */ + WREG32(IH_RB_RPTR, 0); + WREG32(IH_RB_WPTR, 0); + rdev->ih.enabled = false; + rdev->ih.wptr = 0; + rdev->ih.rptr = 0; +} + +static void r600_disable_interrupt_state(struct radeon_device *rdev) +{ + u32 tmp; + + WREG32(CP_INT_CNTL, 0); + WREG32(GRBM_INT_CNTL, 0); + WREG32(DxMODE_INT_MASK, 0); + if (ASIC_IS_DCE3(rdev)) { + WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0); + WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0); + tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; + WREG32(DC_HPD1_INT_CONTROL, tmp); + tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY; + WREG32(DC_HPD2_INT_CONTROL, tmp); + tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY; + WREG32(DC_HPD3_INT_CONTROL, tmp); + tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY; + WREG32(DC_HPD4_INT_CONTROL, tmp); + if (ASIC_IS_DCE32(rdev)) { + tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; + WREG32(DC_HPD5_INT_CONTROL, 0); + tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; + WREG32(DC_HPD6_INT_CONTROL, 0); + } + } else { + WREG32(DACA_AUTODETECT_INT_CONTROL, 0); + WREG32(DACB_AUTODETECT_INT_CONTROL, 0); + tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; + WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, 0); + tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; + WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, 0); + tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; + WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, 0); + } +} + +int r600_irq_init(struct radeon_device *rdev) +{ + int ret = 0; + int rb_bufsz; + u32 interrupt_cntl, ih_cntl, ih_rb_cntl; + + /* allocate ring */ + ret = r600_ih_ring_alloc(rdev, rdev->ih.ring_size); + if (ret) + return ret; + + /* disable irqs */ + r600_disable_interrupts(rdev); + + /* init rlc */ + ret = r600_rlc_init(rdev); + if (ret) { + r600_ih_ring_fini(rdev); + return ret; + } + + /* setup interrupt control */ + /* set dummy read address to ring address */ + WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8); + interrupt_cntl = RREG32(INTERRUPT_CNTL); + /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi + * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN + */ + interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE; + /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */ + interrupt_cntl &= ~IH_REQ_NONSNOOP_EN; + WREG32(INTERRUPT_CNTL, interrupt_cntl); + + WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8); + rb_bufsz = drm_order(rdev->ih.ring_size / 4); + + ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE | + IH_WPTR_OVERFLOW_CLEAR | + (rb_bufsz << 1)); + /* WPTR writeback, not yet */ + /*ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;*/ + WREG32(IH_RB_WPTR_ADDR_LO, 0); + WREG32(IH_RB_WPTR_ADDR_HI, 0); + + WREG32(IH_RB_CNTL, ih_rb_cntl); + + /* set rptr, wptr to 0 */ + WREG32(IH_RB_RPTR, 0); + WREG32(IH_RB_WPTR, 0); + + /* Default settings for IH_CNTL (disabled at first) */ + ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10); + /* RPTR_REARM only works if msi's are enabled */ + if (rdev->msi_enabled) + ih_cntl |= RPTR_REARM; + +#ifdef __BIG_ENDIAN + ih_cntl |= IH_MC_SWAP(IH_MC_SWAP_32BIT); +#endif + WREG32(IH_CNTL, ih_cntl); + + /* force the active interrupt state to all disabled */ + r600_disable_interrupt_state(rdev); + + /* enable irqs */ + r600_enable_interrupts(rdev); + + return ret; +} + +void r600_irq_fini(struct radeon_device *rdev) +{ + r600_disable_interrupts(rdev); + r600_rlc_stop(rdev); + r600_ih_ring_fini(rdev); +} + +int r600_irq_set(struct radeon_device *rdev) +{ + u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; + u32 mode_int = 0; + u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0; + + /* don't enable anything if the ih is disabled */ + if (!rdev->ih.enabled) + return 0; + + if (ASIC_IS_DCE3(rdev)) { + hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN; + hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN; + hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN; + hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN; + if (ASIC_IS_DCE32(rdev)) { + hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; + hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; + } + } else { + hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN; + hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN; + hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN; + } + + if (rdev->irq.sw_int) { + DRM_DEBUG("r600_irq_set: sw int\n"); + cp_int_cntl |= RB_INT_ENABLE; + } + if (rdev->irq.crtc_vblank_int[0]) { + DRM_DEBUG("r600_irq_set: vblank 0\n"); + mode_int |= D1MODE_VBLANK_INT_MASK; + } + if (rdev->irq.crtc_vblank_int[1]) { + DRM_DEBUG("r600_irq_set: vblank 1\n"); + mode_int |= D2MODE_VBLANK_INT_MASK; + } + if (rdev->irq.hpd[0]) { + DRM_DEBUG("r600_irq_set: hpd 1\n"); + hpd1 |= DC_HPDx_INT_EN; + } + if (rdev->irq.hpd[1]) { + DRM_DEBUG("r600_irq_set: hpd 2\n"); + hpd2 |= DC_HPDx_INT_EN; + } + if (rdev->irq.hpd[2]) { + DRM_DEBUG("r600_irq_set: hpd 3\n"); + hpd3 |= DC_HPDx_INT_EN; + } + if (rdev->irq.hpd[3]) { + DRM_DEBUG("r600_irq_set: hpd 4\n"); + hpd4 |= DC_HPDx_INT_EN; + } + if (rdev->irq.hpd[4]) { + DRM_DEBUG("r600_irq_set: hpd 5\n"); + hpd5 |= DC_HPDx_INT_EN; + } + if (rdev->irq.hpd[5]) { + DRM_DEBUG("r600_irq_set: hpd 6\n"); + hpd6 |= DC_HPDx_INT_EN; + } + + WREG32(CP_INT_CNTL, cp_int_cntl); + WREG32(DxMODE_INT_MASK, mode_int); + if (ASIC_IS_DCE3(rdev)) { + WREG32(DC_HPD1_INT_CONTROL, hpd1); + WREG32(DC_HPD2_INT_CONTROL, hpd2); + WREG32(DC_HPD3_INT_CONTROL, hpd3); + WREG32(DC_HPD4_INT_CONTROL, hpd4); + if (ASIC_IS_DCE32(rdev)) { + WREG32(DC_HPD5_INT_CONTROL, hpd5); + WREG32(DC_HPD6_INT_CONTROL, hpd6); + } + } else { + WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); + WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); + WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3); + } + + return 0; +} + +static inline void r600_irq_ack(struct radeon_device *rdev, + u32 *disp_int, + u32 *disp_int_cont, + u32 *disp_int_cont2) +{ + u32 tmp; + + if (ASIC_IS_DCE3(rdev)) { + *disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS); + *disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE); + *disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2); + } else { + *disp_int = RREG32(DISP_INTERRUPT_STATUS); + *disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); + *disp_int_cont2 = 0; + } + + if (*disp_int & LB_D1_VBLANK_INTERRUPT) + WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); + if (*disp_int & LB_D1_VLINE_INTERRUPT) + WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK); + if (*disp_int & LB_D2_VBLANK_INTERRUPT) + WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); + if (*disp_int & LB_D2_VLINE_INTERRUPT) + WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK); + if (*disp_int & DC_HPD1_INTERRUPT) { + if (ASIC_IS_DCE3(rdev)) { + tmp = RREG32(DC_HPD1_INT_CONTROL); + tmp |= DC_HPDx_INT_ACK; + WREG32(DC_HPD1_INT_CONTROL, tmp); + } else { + tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); + tmp |= DC_HPDx_INT_ACK; + WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); + } + } + if (*disp_int & DC_HPD2_INTERRUPT) { + if (ASIC_IS_DCE3(rdev)) { + tmp = RREG32(DC_HPD2_INT_CONTROL); + tmp |= DC_HPDx_INT_ACK; + WREG32(DC_HPD2_INT_CONTROL, tmp); + } else { + tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); + tmp |= DC_HPDx_INT_ACK; + WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); + } + } + if (*disp_int_cont & DC_HPD3_INTERRUPT) { + if (ASIC_IS_DCE3(rdev)) { + tmp = RREG32(DC_HPD3_INT_CONTROL); + tmp |= DC_HPDx_INT_ACK; + WREG32(DC_HPD3_INT_CONTROL, tmp); + } else { + tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); + tmp |= DC_HPDx_INT_ACK; + WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); + } + } + if (*disp_int_cont & DC_HPD4_INTERRUPT) { + tmp = RREG32(DC_HPD4_INT_CONTROL); + tmp |= DC_HPDx_INT_ACK; + WREG32(DC_HPD4_INT_CONTROL, tmp); + } + if (ASIC_IS_DCE32(rdev)) { + if (*disp_int_cont2 & DC_HPD5_INTERRUPT) { + tmp = RREG32(DC_HPD5_INT_CONTROL); + tmp |= DC_HPDx_INT_ACK; + WREG32(DC_HPD5_INT_CONTROL, tmp); + } + if (*disp_int_cont2 & DC_HPD6_INTERRUPT) { + tmp = RREG32(DC_HPD5_INT_CONTROL); + tmp |= DC_HPDx_INT_ACK; + WREG32(DC_HPD6_INT_CONTROL, tmp); + } + } +} + +void r600_irq_disable(struct radeon_device *rdev) +{ + u32 disp_int, disp_int_cont, disp_int_cont2; + + r600_disable_interrupts(rdev); + /* Wait and acknowledge irq */ + mdelay(1); + r600_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2); + r600_disable_interrupt_state(rdev); +} + +static inline u32 r600_get_ih_wptr(struct radeon_device *rdev) +{ + u32 wptr, tmp; + + /* XXX use writeback */ + wptr = RREG32(IH_RB_WPTR); + + if (wptr & RB_OVERFLOW) { + WARN_ON(1); + /* XXX deal with overflow */ + DRM_ERROR("IH RB overflow\n"); + tmp = RREG32(IH_RB_CNTL); + tmp |= IH_WPTR_OVERFLOW_CLEAR; + WREG32(IH_RB_CNTL, tmp); + } + wptr = wptr & WPTR_OFFSET_MASK; + + return wptr; +} + +/* r600 IV Ring + * Each IV ring entry is 128 bits: + * [7:0] - interrupt source id + * [31:8] - reserved + * [59:32] - interrupt source data + * [127:60] - reserved + * + * The basic interrupt vector entries + * are decoded as follows: + * src_id src_data description + * 1 0 D1 Vblank + * 1 1 D1 Vline + * 5 0 D2 Vblank + * 5 1 D2 Vline + * 19 0 FP Hot plug detection A + * 19 1 FP Hot plug detection B + * 19 2 DAC A auto-detection + * 19 3 DAC B auto-detection + * 176 - CP_INT RB + * 177 - CP_INT IB1 + * 178 - CP_INT IB2 + * 181 - EOP Interrupt + * 233 - GUI Idle + * + * Note, these are based on r600 and may need to be + * adjusted or added to on newer asics + */ + +int r600_irq_process(struct radeon_device *rdev) +{ + u32 wptr = r600_get_ih_wptr(rdev); + u32 rptr = rdev->ih.rptr; + u32 src_id, src_data; + u32 last_entry = rdev->ih.ring_size - 16; + u32 ring_index, disp_int, disp_int_cont, disp_int_cont2; + unsigned long flags; + bool queue_hotplug = false; + + DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); + + spin_lock_irqsave(&rdev->ih.lock, flags); + + if (rptr == wptr) { + spin_unlock_irqrestore(&rdev->ih.lock, flags); + return IRQ_NONE; + } + if (rdev->shutdown) { + spin_unlock_irqrestore(&rdev->ih.lock, flags); + return IRQ_NONE; + } + +restart_ih: + /* display interrupts */ + r600_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2); + + rdev->ih.wptr = wptr; + while (rptr != wptr) { + /* wptr/rptr are in bytes! */ + ring_index = rptr / 4; + src_id = rdev->ih.ring[ring_index] & 0xff; + src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff; + + switch (src_id) { + case 1: /* D1 vblank/vline */ + switch (src_data) { + case 0: /* D1 vblank */ + if (disp_int & LB_D1_VBLANK_INTERRUPT) { + drm_handle_vblank(rdev->ddev, 0); + disp_int &= ~LB_D1_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D1 vblank\n"); + } + break; + case 1: /* D1 vline */ + if (disp_int & LB_D1_VLINE_INTERRUPT) { + disp_int &= ~LB_D1_VLINE_INTERRUPT; + DRM_DEBUG("IH: D1 vline\n"); + } + break; + default: + DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); + break; + } + break; + case 5: /* D2 vblank/vline */ + switch (src_data) { + case 0: /* D2 vblank */ + if (disp_int & LB_D2_VBLANK_INTERRUPT) { + drm_handle_vblank(rdev->ddev, 1); + disp_int &= ~LB_D2_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D2 vblank\n"); + } + break; + case 1: /* D1 vline */ + if (disp_int & LB_D2_VLINE_INTERRUPT) { + disp_int &= ~LB_D2_VLINE_INTERRUPT; + DRM_DEBUG("IH: D2 vline\n"); + } + break; + default: + DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); + break; + } + break; + case 19: /* HPD/DAC hotplug */ + switch (src_data) { + case 0: + if (disp_int & DC_HPD1_INTERRUPT) { + disp_int &= ~DC_HPD1_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD1\n"); + } + break; + case 1: + if (disp_int & DC_HPD2_INTERRUPT) { + disp_int &= ~DC_HPD2_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD2\n"); + } + break; + case 4: + if (disp_int_cont & DC_HPD3_INTERRUPT) { + disp_int_cont &= ~DC_HPD3_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD3\n"); + } + break; + case 5: + if (disp_int_cont & DC_HPD4_INTERRUPT) { + disp_int_cont &= ~DC_HPD4_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD4\n"); + } + break; + case 10: + if (disp_int_cont2 & DC_HPD5_INTERRUPT) { + disp_int_cont &= ~DC_HPD5_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD5\n"); + } + break; + case 12: + if (disp_int_cont2 & DC_HPD6_INTERRUPT) { + disp_int_cont &= ~DC_HPD6_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD6\n"); + } + break; + default: + DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); + break; + } + break; + case 176: /* CP_INT in ring buffer */ + case 177: /* CP_INT in IB1 */ + case 178: /* CP_INT in IB2 */ + DRM_DEBUG("IH: CP int: 0x%08x\n", src_data); + radeon_fence_process(rdev); + break; + case 181: /* CP EOP event */ + DRM_DEBUG("IH: CP EOP\n"); + break; + default: + DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); + break; + } + + /* wptr/rptr are in bytes! */ + if (rptr == last_entry) + rptr = 0; + else + rptr += 16; + } + /* make sure wptr hasn't changed while processing */ + wptr = r600_get_ih_wptr(rdev); + if (wptr != rdev->ih.wptr) + goto restart_ih; + if (queue_hotplug) + queue_work(rdev->wq, &rdev->hotplug_work); + rdev->ih.rptr = rptr; + WREG32(IH_RB_RPTR, rdev->ih.rptr); + spin_unlock_irqrestore(&rdev->ih.lock, flags); + return IRQ_HANDLED; +} /* * Debugfs info @@ -1811,21 +2839,21 @@ static int r600_debugfs_cp_ring_info(struct seq_file *m, void *data) struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct radeon_device *rdev = dev->dev_private; - uint32_t rdp, wdp; unsigned count, i, j; radeon_ring_free_size(rdev); - rdp = RREG32(CP_RB_RPTR); - wdp = RREG32(CP_RB_WPTR); - count = (rdp + rdev->cp.ring_size - wdp) & rdev->cp.ptr_mask; + count = (rdev->cp.ring_size / 4) - rdev->cp.ring_free_dw; seq_printf(m, "CP_STAT 0x%08x\n", RREG32(CP_STAT)); - seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp); - seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp); + seq_printf(m, "CP_RB_WPTR 0x%08x\n", RREG32(CP_RB_WPTR)); + seq_printf(m, "CP_RB_RPTR 0x%08x\n", RREG32(CP_RB_RPTR)); + seq_printf(m, "driver's copy of the CP_RB_WPTR 0x%08x\n", rdev->cp.wptr); + seq_printf(m, "driver's copy of the CP_RB_RPTR 0x%08x\n", rdev->cp.rptr); seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw); seq_printf(m, "%u dwords in ring\n", count); + i = rdev->cp.rptr; for (j = 0; j <= count; j++) { - i = (rdp + j) & rdev->cp.ptr_mask; seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]); + i = (i + 1) & rdev->cp.ptr_mask; } return 0; } |