| /* |
| * Copyright 2010 Advanced Micro Devices, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Alex Deucher |
| */ |
| #include <linux/firmware.h> |
| #include <linux/platform_device.h> |
| #include <linux/slab.h> |
| #include "drmP.h" |
| #include "radeon.h" |
| #include "radeon_asic.h" |
| #include "radeon_drm.h" |
| #include "evergreend.h" |
| #include "atom.h" |
| #include "avivod.h" |
| #include "evergreen_reg.h" |
| #include "evergreen_blit_shaders.h" |
| |
| #define EVERGREEN_PFP_UCODE_SIZE 1120 |
| #define EVERGREEN_PM4_UCODE_SIZE 1376 |
| |
| static void evergreen_gpu_init(struct radeon_device *rdev); |
| void evergreen_fini(struct radeon_device *rdev); |
| void evergreen_pcie_gen2_enable(struct radeon_device *rdev); |
| |
| void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev) |
| { |
| u16 ctl, v; |
| int cap, err; |
| |
| cap = pci_pcie_cap(rdev->pdev); |
| if (!cap) |
| return; |
| |
| err = pci_read_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, &ctl); |
| if (err) |
| return; |
| |
| v = (ctl & PCI_EXP_DEVCTL_READRQ) >> 12; |
| |
| /* if bios or OS sets MAX_READ_REQUEST_SIZE to an invalid value, fix it |
| * to avoid hangs or perfomance issues |
| */ |
| if ((v == 0) || (v == 6) || (v == 7)) { |
| ctl &= ~PCI_EXP_DEVCTL_READRQ; |
| ctl |= (2 << 12); |
| pci_write_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, ctl); |
| } |
| } |
| |
| void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc) |
| { |
| /* enable the pflip int */ |
| radeon_irq_kms_pflip_irq_get(rdev, crtc); |
| } |
| |
| void evergreen_post_page_flip(struct radeon_device *rdev, int crtc) |
| { |
| /* disable the pflip int */ |
| radeon_irq_kms_pflip_irq_put(rdev, crtc); |
| } |
| |
| u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) |
| { |
| struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; |
| u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset); |
| |
| /* Lock the graphics update lock */ |
| tmp |= EVERGREEN_GRPH_UPDATE_LOCK; |
| WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); |
| |
| /* update the scanout addresses */ |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, |
| upper_32_bits(crtc_base)); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, |
| (u32)crtc_base); |
| |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, |
| upper_32_bits(crtc_base)); |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, |
| (u32)crtc_base); |
| |
| /* Wait for update_pending to go high. */ |
| while (!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING)); |
| DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); |
| |
| /* Unlock the lock, so double-buffering can take place inside vblank */ |
| tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK; |
| WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); |
| |
| /* Return current update_pending status: */ |
| return RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING; |
| } |
| |
| /* get temperature in millidegrees */ |
| int evergreen_get_temp(struct radeon_device *rdev) |
| { |
| u32 temp, toffset; |
| int actual_temp = 0; |
| |
| if (rdev->family == CHIP_JUNIPER) { |
| toffset = (RREG32(CG_THERMAL_CTRL) & TOFFSET_MASK) >> |
| TOFFSET_SHIFT; |
| temp = (RREG32(CG_TS0_STATUS) & TS0_ADC_DOUT_MASK) >> |
| TS0_ADC_DOUT_SHIFT; |
| |
| if (toffset & 0x100) |
| actual_temp = temp / 2 - (0x200 - toffset); |
| else |
| actual_temp = temp / 2 + toffset; |
| |
| actual_temp = actual_temp * 1000; |
| |
| } else { |
| temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >> |
| ASIC_T_SHIFT; |
| |
| if (temp & 0x400) |
| actual_temp = -256; |
| else if (temp & 0x200) |
| actual_temp = 255; |
| else if (temp & 0x100) { |
| actual_temp = temp & 0x1ff; |
| actual_temp |= ~0x1ff; |
| } else |
| actual_temp = temp & 0xff; |
| |
| actual_temp = (actual_temp * 1000) / 2; |
| } |
| |
| return actual_temp; |
| } |
| |
| int sumo_get_temp(struct radeon_device *rdev) |
| { |
| u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff; |
| int actual_temp = temp - 49; |
| |
| return actual_temp * 1000; |
| } |
| |
| void evergreen_pm_misc(struct radeon_device *rdev) |
| { |
| int req_ps_idx = rdev->pm.requested_power_state_index; |
| int req_cm_idx = rdev->pm.requested_clock_mode_index; |
| struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx]; |
| struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; |
| |
| if (voltage->type == VOLTAGE_SW) { |
| /* 0xff01 is a flag rather then an actual voltage */ |
| if (voltage->voltage == 0xff01) |
| return; |
| if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) { |
| radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC); |
| rdev->pm.current_vddc = voltage->voltage; |
| DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage); |
| } |
| /* 0xff01 is a flag rather then an actual voltage */ |
| if (voltage->vddci == 0xff01) |
| return; |
| if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) { |
| radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI); |
| rdev->pm.current_vddci = voltage->vddci; |
| DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci); |
| } |
| } |
| } |
| |
| void evergreen_pm_prepare(struct radeon_device *rdev) |
| { |
| struct drm_device *ddev = rdev->ddev; |
| struct drm_crtc *crtc; |
| struct radeon_crtc *radeon_crtc; |
| u32 tmp; |
| |
| /* disable any active CRTCs */ |
| list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { |
| radeon_crtc = to_radeon_crtc(crtc); |
| if (radeon_crtc->enabled) { |
| tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset); |
| tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; |
| WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); |
| } |
| } |
| } |
| |
| void evergreen_pm_finish(struct radeon_device *rdev) |
| { |
| struct drm_device *ddev = rdev->ddev; |
| struct drm_crtc *crtc; |
| struct radeon_crtc *radeon_crtc; |
| u32 tmp; |
| |
| /* enable any active CRTCs */ |
| list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { |
| radeon_crtc = to_radeon_crtc(crtc); |
| if (radeon_crtc->enabled) { |
| tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset); |
| tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; |
| WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); |
| } |
| } |
| } |
| |
| bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) |
| { |
| bool connected = false; |
| |
| 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; |
| 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; |
| } |
| |
| return connected; |
| } |
| |
| void evergreen_hpd_set_polarity(struct radeon_device *rdev, |
| enum radeon_hpd_id hpd) |
| { |
| u32 tmp; |
| bool connected = evergreen_hpd_sense(rdev, hpd); |
| |
| 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; |
| 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; |
| } |
| } |
| |
| void evergreen_hpd_init(struct radeon_device *rdev) |
| { |
| struct drm_device *dev = rdev->ddev; |
| struct drm_connector *connector; |
| u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | |
| DC_HPDx_RX_INT_TIMER(0xfa) | 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; |
| 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; |
| } |
| } |
| if (rdev->irq.installed) |
| evergreen_irq_set(rdev); |
| } |
| |
| void evergreen_hpd_fini(struct radeon_device *rdev) |
| { |
| struct drm_device *dev = rdev->ddev; |
| struct drm_connector *connector; |
| |
| 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; |
| 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; |
| } |
| } |
| } |
| |
| /* watermark setup */ |
| |
| static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev, |
| struct radeon_crtc *radeon_crtc, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *other_mode) |
| { |
| u32 tmp; |
| /* |
| * Line Buffer Setup |
| * There are 3 line buffers, each one shared by 2 display controllers. |
| * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between |
| * the display controllers. The paritioning is done via one of four |
| * preset allocations specified in bits 2:0: |
| * first display controller |
| * 0 - first half of lb (3840 * 2) |
| * 1 - first 3/4 of lb (5760 * 2) |
| * 2 - whole lb (7680 * 2), other crtc must be disabled |
| * 3 - first 1/4 of lb (1920 * 2) |
| * second display controller |
| * 4 - second half of lb (3840 * 2) |
| * 5 - second 3/4 of lb (5760 * 2) |
| * 6 - whole lb (7680 * 2), other crtc must be disabled |
| * 7 - last 1/4 of lb (1920 * 2) |
| */ |
| /* this can get tricky if we have two large displays on a paired group |
| * of crtcs. Ideally for multiple large displays we'd assign them to |
| * non-linked crtcs for maximum line buffer allocation. |
| */ |
| if (radeon_crtc->base.enabled && mode) { |
| if (other_mode) |
| tmp = 0; /* 1/2 */ |
| else |
| tmp = 2; /* whole */ |
| } else |
| tmp = 0; |
| |
| /* second controller of the pair uses second half of the lb */ |
| if (radeon_crtc->crtc_id % 2) |
| tmp += 4; |
| WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp); |
| |
| if (radeon_crtc->base.enabled && mode) { |
| switch (tmp) { |
| case 0: |
| case 4: |
| default: |
| if (ASIC_IS_DCE5(rdev)) |
| return 4096 * 2; |
| else |
| return 3840 * 2; |
| case 1: |
| case 5: |
| if (ASIC_IS_DCE5(rdev)) |
| return 6144 * 2; |
| else |
| return 5760 * 2; |
| case 2: |
| case 6: |
| if (ASIC_IS_DCE5(rdev)) |
| return 8192 * 2; |
| else |
| return 7680 * 2; |
| case 3: |
| case 7: |
| if (ASIC_IS_DCE5(rdev)) |
| return 2048 * 2; |
| else |
| return 1920 * 2; |
| } |
| } |
| |
| /* controller not enabled, so no lb used */ |
| return 0; |
| } |
| |
| static u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev) |
| { |
| u32 tmp = RREG32(MC_SHARED_CHMAP); |
| |
| switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { |
| case 0: |
| default: |
| return 1; |
| case 1: |
| return 2; |
| case 2: |
| return 4; |
| case 3: |
| return 8; |
| } |
| } |
| |
| struct evergreen_wm_params { |
| u32 dram_channels; /* number of dram channels */ |
| u32 yclk; /* bandwidth per dram data pin in kHz */ |
| u32 sclk; /* engine clock in kHz */ |
| u32 disp_clk; /* display clock in kHz */ |
| u32 src_width; /* viewport width */ |
| u32 active_time; /* active display time in ns */ |
| u32 blank_time; /* blank time in ns */ |
| bool interlaced; /* mode is interlaced */ |
| fixed20_12 vsc; /* vertical scale ratio */ |
| u32 num_heads; /* number of active crtcs */ |
| u32 bytes_per_pixel; /* bytes per pixel display + overlay */ |
| u32 lb_size; /* line buffer allocated to pipe */ |
| u32 vtaps; /* vertical scaler taps */ |
| }; |
| |
| static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm) |
| { |
| /* Calculate DRAM Bandwidth and the part allocated to display. */ |
| fixed20_12 dram_efficiency; /* 0.7 */ |
| fixed20_12 yclk, dram_channels, bandwidth; |
| fixed20_12 a; |
| |
| a.full = dfixed_const(1000); |
| yclk.full = dfixed_const(wm->yclk); |
| yclk.full = dfixed_div(yclk, a); |
| dram_channels.full = dfixed_const(wm->dram_channels * 4); |
| a.full = dfixed_const(10); |
| dram_efficiency.full = dfixed_const(7); |
| dram_efficiency.full = dfixed_div(dram_efficiency, a); |
| bandwidth.full = dfixed_mul(dram_channels, yclk); |
| bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); |
| |
| return dfixed_trunc(bandwidth); |
| } |
| |
| static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm) |
| { |
| /* Calculate DRAM Bandwidth and the part allocated to display. */ |
| fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ |
| fixed20_12 yclk, dram_channels, bandwidth; |
| fixed20_12 a; |
| |
| a.full = dfixed_const(1000); |
| yclk.full = dfixed_const(wm->yclk); |
| yclk.full = dfixed_div(yclk, a); |
| dram_channels.full = dfixed_const(wm->dram_channels * 4); |
| a.full = dfixed_const(10); |
| disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ |
| disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); |
| bandwidth.full = dfixed_mul(dram_channels, yclk); |
| bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); |
| |
| return dfixed_trunc(bandwidth); |
| } |
| |
| static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm) |
| { |
| /* Calculate the display Data return Bandwidth */ |
| fixed20_12 return_efficiency; /* 0.8 */ |
| fixed20_12 sclk, bandwidth; |
| fixed20_12 a; |
| |
| a.full = dfixed_const(1000); |
| sclk.full = dfixed_const(wm->sclk); |
| sclk.full = dfixed_div(sclk, a); |
| a.full = dfixed_const(10); |
| return_efficiency.full = dfixed_const(8); |
| return_efficiency.full = dfixed_div(return_efficiency, a); |
| a.full = dfixed_const(32); |
| bandwidth.full = dfixed_mul(a, sclk); |
| bandwidth.full = dfixed_mul(bandwidth, return_efficiency); |
| |
| return dfixed_trunc(bandwidth); |
| } |
| |
| static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm) |
| { |
| /* Calculate the DMIF Request Bandwidth */ |
| fixed20_12 disp_clk_request_efficiency; /* 0.8 */ |
| fixed20_12 disp_clk, bandwidth; |
| fixed20_12 a; |
| |
| a.full = dfixed_const(1000); |
| disp_clk.full = dfixed_const(wm->disp_clk); |
| disp_clk.full = dfixed_div(disp_clk, a); |
| a.full = dfixed_const(10); |
| disp_clk_request_efficiency.full = dfixed_const(8); |
| disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); |
| a.full = dfixed_const(32); |
| bandwidth.full = dfixed_mul(a, disp_clk); |
| bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency); |
| |
| return dfixed_trunc(bandwidth); |
| } |
| |
| static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm) |
| { |
| /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ |
| u32 dram_bandwidth = evergreen_dram_bandwidth(wm); |
| u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm); |
| u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm); |
| |
| return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); |
| } |
| |
| static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm) |
| { |
| /* Calculate the display mode Average Bandwidth |
| * DisplayMode should contain the source and destination dimensions, |
| * timing, etc. |
| */ |
| fixed20_12 bpp; |
| fixed20_12 line_time; |
| fixed20_12 src_width; |
| fixed20_12 bandwidth; |
| fixed20_12 a; |
| |
| a.full = dfixed_const(1000); |
| line_time.full = dfixed_const(wm->active_time + wm->blank_time); |
| line_time.full = dfixed_div(line_time, a); |
| bpp.full = dfixed_const(wm->bytes_per_pixel); |
| src_width.full = dfixed_const(wm->src_width); |
| bandwidth.full = dfixed_mul(src_width, bpp); |
| bandwidth.full = dfixed_mul(bandwidth, wm->vsc); |
| bandwidth.full = dfixed_div(bandwidth, line_time); |
| |
| return dfixed_trunc(bandwidth); |
| } |
| |
| static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm) |
| { |
| /* First calcualte the latency in ns */ |
| u32 mc_latency = 2000; /* 2000 ns. */ |
| u32 available_bandwidth = evergreen_available_bandwidth(wm); |
| u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; |
| u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; |
| u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ |
| u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + |
| (wm->num_heads * cursor_line_pair_return_time); |
| u32 latency = mc_latency + other_heads_data_return_time + dc_latency; |
| u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; |
| fixed20_12 a, b, c; |
| |
| if (wm->num_heads == 0) |
| return 0; |
| |
| a.full = dfixed_const(2); |
| b.full = dfixed_const(1); |
| if ((wm->vsc.full > a.full) || |
| ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || |
| (wm->vtaps >= 5) || |
| ((wm->vsc.full >= a.full) && wm->interlaced)) |
| max_src_lines_per_dst_line = 4; |
| else |
| max_src_lines_per_dst_line = 2; |
| |
| a.full = dfixed_const(available_bandwidth); |
| b.full = dfixed_const(wm->num_heads); |
| a.full = dfixed_div(a, b); |
| |
| b.full = dfixed_const(1000); |
| c.full = dfixed_const(wm->disp_clk); |
| b.full = dfixed_div(c, b); |
| c.full = dfixed_const(wm->bytes_per_pixel); |
| b.full = dfixed_mul(b, c); |
| |
| lb_fill_bw = min(dfixed_trunc(a), dfixed_trunc(b)); |
| |
| a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); |
| b.full = dfixed_const(1000); |
| c.full = dfixed_const(lb_fill_bw); |
| b.full = dfixed_div(c, b); |
| a.full = dfixed_div(a, b); |
| line_fill_time = dfixed_trunc(a); |
| |
| if (line_fill_time < wm->active_time) |
| return latency; |
| else |
| return latency + (line_fill_time - wm->active_time); |
| |
| } |
| |
| static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm) |
| { |
| if (evergreen_average_bandwidth(wm) <= |
| (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads)) |
| return true; |
| else |
| return false; |
| }; |
| |
| static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm) |
| { |
| if (evergreen_average_bandwidth(wm) <= |
| (evergreen_available_bandwidth(wm) / wm->num_heads)) |
| return true; |
| else |
| return false; |
| }; |
| |
| static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm) |
| { |
| u32 lb_partitions = wm->lb_size / wm->src_width; |
| u32 line_time = wm->active_time + wm->blank_time; |
| u32 latency_tolerant_lines; |
| u32 latency_hiding; |
| fixed20_12 a; |
| |
| a.full = dfixed_const(1); |
| if (wm->vsc.full > a.full) |
| latency_tolerant_lines = 1; |
| else { |
| if (lb_partitions <= (wm->vtaps + 1)) |
| latency_tolerant_lines = 1; |
| else |
| latency_tolerant_lines = 2; |
| } |
| |
| latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); |
| |
| if (evergreen_latency_watermark(wm) <= latency_hiding) |
| return true; |
| else |
| return false; |
| } |
| |
| static void evergreen_program_watermarks(struct radeon_device *rdev, |
| struct radeon_crtc *radeon_crtc, |
| u32 lb_size, u32 num_heads) |
| { |
| struct drm_display_mode *mode = &radeon_crtc->base.mode; |
| struct evergreen_wm_params wm; |
| u32 pixel_period; |
| u32 line_time = 0; |
| u32 latency_watermark_a = 0, latency_watermark_b = 0; |
| u32 priority_a_mark = 0, priority_b_mark = 0; |
| u32 priority_a_cnt = PRIORITY_OFF; |
| u32 priority_b_cnt = PRIORITY_OFF; |
| u32 pipe_offset = radeon_crtc->crtc_id * 16; |
| u32 tmp, arb_control3; |
| fixed20_12 a, b, c; |
| |
| if (radeon_crtc->base.enabled && num_heads && mode) { |
| pixel_period = 1000000 / (u32)mode->clock; |
| line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535); |
| priority_a_cnt = 0; |
| priority_b_cnt = 0; |
| |
| wm.yclk = rdev->pm.current_mclk * 10; |
| wm.sclk = rdev->pm.current_sclk * 10; |
| wm.disp_clk = mode->clock; |
| wm.src_width = mode->crtc_hdisplay; |
| wm.active_time = mode->crtc_hdisplay * pixel_period; |
| wm.blank_time = line_time - wm.active_time; |
| wm.interlaced = false; |
| if (mode->flags & DRM_MODE_FLAG_INTERLACE) |
| wm.interlaced = true; |
| wm.vsc = radeon_crtc->vsc; |
| wm.vtaps = 1; |
| if (radeon_crtc->rmx_type != RMX_OFF) |
| wm.vtaps = 2; |
| wm.bytes_per_pixel = 4; /* XXX: get this from fb config */ |
| wm.lb_size = lb_size; |
| wm.dram_channels = evergreen_get_number_of_dram_channels(rdev); |
| wm.num_heads = num_heads; |
| |
| /* set for high clocks */ |
| latency_watermark_a = min(evergreen_latency_watermark(&wm), (u32)65535); |
| /* set for low clocks */ |
| /* wm.yclk = low clk; wm.sclk = low clk */ |
| latency_watermark_b = min(evergreen_latency_watermark(&wm), (u32)65535); |
| |
| /* possibly force display priority to high */ |
| /* should really do this at mode validation time... */ |
| if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm) || |
| !evergreen_average_bandwidth_vs_available_bandwidth(&wm) || |
| !evergreen_check_latency_hiding(&wm) || |
| (rdev->disp_priority == 2)) { |
| DRM_DEBUG_KMS("force priority to high\n"); |
| priority_a_cnt |= PRIORITY_ALWAYS_ON; |
| priority_b_cnt |= PRIORITY_ALWAYS_ON; |
| } |
| |
| a.full = dfixed_const(1000); |
| b.full = dfixed_const(mode->clock); |
| b.full = dfixed_div(b, a); |
| c.full = dfixed_const(latency_watermark_a); |
| c.full = dfixed_mul(c, b); |
| c.full = dfixed_mul(c, radeon_crtc->hsc); |
| c.full = dfixed_div(c, a); |
| a.full = dfixed_const(16); |
| c.full = dfixed_div(c, a); |
| priority_a_mark = dfixed_trunc(c); |
| priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK; |
| |
| a.full = dfixed_const(1000); |
| b.full = dfixed_const(mode->clock); |
| b.full = dfixed_div(b, a); |
| c.full = dfixed_const(latency_watermark_b); |
| c.full = dfixed_mul(c, b); |
| c.full = dfixed_mul(c, radeon_crtc->hsc); |
| c.full = dfixed_div(c, a); |
| a.full = dfixed_const(16); |
| c.full = dfixed_div(c, a); |
| priority_b_mark = dfixed_trunc(c); |
| priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK; |
| } |
| |
| /* select wm A */ |
| arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset); |
| tmp = arb_control3; |
| tmp &= ~LATENCY_WATERMARK_MASK(3); |
| tmp |= LATENCY_WATERMARK_MASK(1); |
| WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp); |
| WREG32(PIPE0_LATENCY_CONTROL + pipe_offset, |
| (LATENCY_LOW_WATERMARK(latency_watermark_a) | |
| LATENCY_HIGH_WATERMARK(line_time))); |
| /* select wm B */ |
| tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset); |
| tmp &= ~LATENCY_WATERMARK_MASK(3); |
| tmp |= LATENCY_WATERMARK_MASK(2); |
| WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp); |
| WREG32(PIPE0_LATENCY_CONTROL + pipe_offset, |
| (LATENCY_LOW_WATERMARK(latency_watermark_b) | |
| LATENCY_HIGH_WATERMARK(line_time))); |
| /* restore original selection */ |
| WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3); |
| |
| /* write the priority marks */ |
| WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt); |
| WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt); |
| |
| } |
| |
| void evergreen_bandwidth_update(struct radeon_device *rdev) |
| { |
| struct drm_display_mode *mode0 = NULL; |
| struct drm_display_mode *mode1 = NULL; |
| u32 num_heads = 0, lb_size; |
| int i; |
| |
| radeon_update_display_priority(rdev); |
| |
| for (i = 0; i < rdev->num_crtc; i++) { |
| if (rdev->mode_info.crtcs[i]->base.enabled) |
| num_heads++; |
| } |
| for (i = 0; i < rdev->num_crtc; i += 2) { |
| mode0 = &rdev->mode_info.crtcs[i]->base.mode; |
| mode1 = &rdev->mode_info.crtcs[i+1]->base.mode; |
| lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1); |
| evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads); |
| lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0); |
| evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads); |
| } |
| } |
| |
| int evergreen_mc_wait_for_idle(struct radeon_device *rdev) |
| { |
| unsigned i; |
| u32 tmp; |
| |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| /* read MC_STATUS */ |
| tmp = RREG32(SRBM_STATUS) & 0x1F00; |
| if (!tmp) |
| return 0; |
| udelay(1); |
| } |
| return -1; |
| } |
| |
| /* |
| * GART |
| */ |
| void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev) |
| { |
| unsigned i; |
| u32 tmp; |
| |
| WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); |
| |
| WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1)); |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| /* read MC_STATUS */ |
| tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE); |
| tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT; |
| if (tmp == 2) { |
| printk(KERN_WARNING "[drm] r600 flush TLB failed\n"); |
| return; |
| } |
| if (tmp) { |
| return; |
| } |
| udelay(1); |
| } |
| } |
| |
| int evergreen_pcie_gart_enable(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| int r; |
| |
| if (rdev->gart.table.vram.robj == NULL) { |
| dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); |
| return -EINVAL; |
| } |
| r = radeon_gart_table_vram_pin(rdev); |
| if (r) |
| return r; |
| radeon_gart_restore(rdev); |
| /* Setup L2 cache */ |
| WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | |
| ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | |
| EFFECTIVE_L2_QUEUE_SIZE(7)); |
| WREG32(VM_L2_CNTL2, 0); |
| WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2)); |
| /* Setup TLB control */ |
| tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | |
| SYSTEM_ACCESS_MODE_NOT_IN_SYS | |
| SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | |
| EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5); |
| if (rdev->flags & RADEON_IS_IGP) { |
| WREG32(FUS_MC_VM_MD_L1_TLB0_CNTL, tmp); |
| WREG32(FUS_MC_VM_MD_L1_TLB1_CNTL, tmp); |
| WREG32(FUS_MC_VM_MD_L1_TLB2_CNTL, tmp); |
| } else { |
| WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); |
| WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); |
| WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); |
| } |
| WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); |
| WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); |
| WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); |
| WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp); |
| WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); |
| WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); |
| WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); |
| WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | |
| RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); |
| WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, |
| (u32)(rdev->dummy_page.addr >> 12)); |
| WREG32(VM_CONTEXT1_CNTL, 0); |
| |
| evergreen_pcie_gart_tlb_flush(rdev); |
| DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", |
| (unsigned)(rdev->mc.gtt_size >> 20), |
| (unsigned long long)rdev->gart.table_addr); |
| rdev->gart.ready = true; |
| return 0; |
| } |
| |
| void evergreen_pcie_gart_disable(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| int r; |
| |
| /* Disable all tables */ |
| WREG32(VM_CONTEXT0_CNTL, 0); |
| WREG32(VM_CONTEXT1_CNTL, 0); |
| |
| /* Setup L2 cache */ |
| WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING | |
| EFFECTIVE_L2_QUEUE_SIZE(7)); |
| WREG32(VM_L2_CNTL2, 0); |
| WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2)); |
| /* Setup TLB control */ |
| tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5); |
| WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); |
| WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); |
| WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); |
| WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); |
| WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); |
| WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); |
| WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp); |
| if (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); |
| } |
| } |
| } |
| |
| void evergreen_pcie_gart_fini(struct radeon_device *rdev) |
| { |
| evergreen_pcie_gart_disable(rdev); |
| radeon_gart_table_vram_free(rdev); |
| radeon_gart_fini(rdev); |
| } |
| |
| |
| void evergreen_agp_enable(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| |
| /* Setup L2 cache */ |
| WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | |
| ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | |
| EFFECTIVE_L2_QUEUE_SIZE(7)); |
| WREG32(VM_L2_CNTL2, 0); |
| WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2)); |
| /* Setup TLB control */ |
| tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | |
| SYSTEM_ACCESS_MODE_NOT_IN_SYS | |
| SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | |
| EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5); |
| WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); |
| WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); |
| WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); |
| WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); |
| WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); |
| WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); |
| WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp); |
| WREG32(VM_CONTEXT0_CNTL, 0); |
| WREG32(VM_CONTEXT1_CNTL, 0); |
| } |
| |
| void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save) |
| { |
| save->vga_control[0] = RREG32(D1VGA_CONTROL); |
| save->vga_control[1] = RREG32(D2VGA_CONTROL); |
| save->vga_render_control = RREG32(VGA_RENDER_CONTROL); |
| save->vga_hdp_control = RREG32(VGA_HDP_CONTROL); |
| save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET); |
| save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); |
| if (rdev->num_crtc >= 4) { |
| save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL); |
| save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL); |
| save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET); |
| save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET); |
| } |
| if (rdev->num_crtc >= 6) { |
| save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL); |
| save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL); |
| save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET); |
| save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); |
| } |
| |
| /* Stop all video */ |
| WREG32(VGA_RENDER_CONTROL, 0); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1); |
| if (rdev->num_crtc >= 4) { |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1); |
| } |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); |
| if (rdev->num_crtc >= 4) { |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); |
| } |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); |
| if (rdev->num_crtc >= 4) { |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); |
| } |
| |
| WREG32(D1VGA_CONTROL, 0); |
| WREG32(D2VGA_CONTROL, 0); |
| if (rdev->num_crtc >= 4) { |
| WREG32(EVERGREEN_D3VGA_CONTROL, 0); |
| WREG32(EVERGREEN_D4VGA_CONTROL, 0); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(EVERGREEN_D5VGA_CONTROL, 0); |
| WREG32(EVERGREEN_D6VGA_CONTROL, 0); |
| } |
| } |
| |
| void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save) |
| { |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| |
| if (rdev->num_crtc >= 4) { |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET, |
| upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET, |
| (u32)rdev->mc.vram_start); |
| } |
| |
| WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start)); |
| WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start); |
| /* Unlock host access */ |
| WREG32(VGA_HDP_CONTROL, save->vga_hdp_control); |
| mdelay(1); |
| /* Restore video state */ |
| WREG32(D1VGA_CONTROL, save->vga_control[0]); |
| WREG32(D2VGA_CONTROL, save->vga_control[1]); |
| if (rdev->num_crtc >= 4) { |
| WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]); |
| WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]); |
| WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]); |
| } |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1); |
| if (rdev->num_crtc >= 4) { |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1); |
| } |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]); |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]); |
| if (rdev->num_crtc >= 4) { |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]); |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]); |
| WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]); |
| } |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); |
| if (rdev->num_crtc >= 4) { |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); |
| WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); |
| } |
| WREG32(VGA_RENDER_CONTROL, save->vga_render_control); |
| } |
| |
| void evergreen_mc_program(struct radeon_device *rdev) |
| { |
| struct evergreen_mc_save save; |
| u32 tmp; |
| int i, j; |
| |
| /* Initialize HDP */ |
| for (i = 0, j = 0; i < 32; i++, j += 0x18) { |
| WREG32((0x2c14 + j), 0x00000000); |
| WREG32((0x2c18 + j), 0x00000000); |
| WREG32((0x2c1c + j), 0x00000000); |
| WREG32((0x2c20 + j), 0x00000000); |
| WREG32((0x2c24 + j), 0x00000000); |
| } |
| WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); |
| |
| evergreen_mc_stop(rdev, &save); |
| if (evergreen_mc_wait_for_idle(rdev)) { |
| dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); |
| } |
| /* Lockout access through VGA aperture*/ |
| WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); |
| /* Update configuration */ |
| if (rdev->flags & RADEON_IS_AGP) { |
| if (rdev->mc.vram_start < rdev->mc.gtt_start) { |
| /* VRAM before AGP */ |
| WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, |
| rdev->mc.vram_start >> 12); |
| WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, |
| rdev->mc.gtt_end >> 12); |
| } else { |
| /* VRAM after AGP */ |
| WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, |
| rdev->mc.gtt_start >> 12); |
| WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, |
| rdev->mc.vram_end >> 12); |
| } |
| } else { |
| WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, |
| rdev->mc.vram_start >> 12); |
| WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, |
| rdev->mc.vram_end >> 12); |
| } |
| WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0); |
| if (rdev->flags & RADEON_IS_IGP) { |
| tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF; |
| tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24; |
| tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20; |
| WREG32(MC_FUS_VM_FB_OFFSET, tmp); |
| } |
| tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; |
| tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); |
| WREG32(MC_VM_FB_LOCATION, tmp); |
| WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); |
| WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30)); |
| WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF); |
| if (rdev->flags & RADEON_IS_AGP) { |
| WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16); |
| WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16); |
| WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22); |
| } else { |
| WREG32(MC_VM_AGP_BASE, 0); |
| WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF); |
| WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF); |
| } |
| if (evergreen_mc_wait_for_idle(rdev)) { |
| dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); |
| } |
| evergreen_mc_resume(rdev, &save); |
| /* we need to own VRAM, so turn off the VGA renderer here |
| * to stop it overwriting our objects */ |
| rv515_vga_render_disable(rdev); |
| } |
| |
| /* |
| * CP. |
| */ |
| void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) |
| { |
| /* set to DX10/11 mode */ |
| radeon_ring_write(rdev, PACKET3(PACKET3_MODE_CONTROL, 0)); |
| radeon_ring_write(rdev, 1); |
| /* FIXME: implement */ |
| radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); |
| radeon_ring_write(rdev, |
| #ifdef __BIG_ENDIAN |
| (2 << 0) | |
| #endif |
| (ib->gpu_addr & 0xFFFFFFFC)); |
| radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF); |
| radeon_ring_write(rdev, ib->length_dw); |
| } |
| |
| |
| static int evergreen_cp_load_microcode(struct radeon_device *rdev) |
| { |
| const __be32 *fw_data; |
| int i; |
| |
| if (!rdev->me_fw || !rdev->pfp_fw) |
| return -EINVAL; |
| |
| r700_cp_stop(rdev); |
| WREG32(CP_RB_CNTL, |
| #ifdef __BIG_ENDIAN |
| BUF_SWAP_32BIT | |
| #endif |
| RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3)); |
| |
| fw_data = (const __be32 *)rdev->pfp_fw->data; |
| WREG32(CP_PFP_UCODE_ADDR, 0); |
| for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++) |
| WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++)); |
| WREG32(CP_PFP_UCODE_ADDR, 0); |
| |
| fw_data = (const __be32 *)rdev->me_fw->data; |
| WREG32(CP_ME_RAM_WADDR, 0); |
| for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++) |
| WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++)); |
| |
| WREG32(CP_PFP_UCODE_ADDR, 0); |
| WREG32(CP_ME_RAM_WADDR, 0); |
| WREG32(CP_ME_RAM_RADDR, 0); |
| return 0; |
| } |
| |
| static int evergreen_cp_start(struct radeon_device *rdev) |
| { |
| int r, i; |
| uint32_t cp_me; |
| |
| r = radeon_ring_lock(rdev, 7); |
| if (r) { |
| DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); |
| return r; |
| } |
| radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5)); |
| radeon_ring_write(rdev, 0x1); |
| radeon_ring_write(rdev, 0x0); |
| radeon_ring_write(rdev, rdev->config.evergreen.max_hw_contexts - 1); |
| radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); |
| radeon_ring_write(rdev, 0); |
| radeon_ring_write(rdev, 0); |
| radeon_ring_unlock_commit(rdev); |
| |
| cp_me = 0xff; |
| WREG32(CP_ME_CNTL, cp_me); |
| |
| r = radeon_ring_lock(rdev, evergreen_default_size + 19); |
| if (r) { |
| DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); |
| return r; |
| } |
| |
| /* setup clear context state */ |
| radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); |
| radeon_ring_write(rdev, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE); |
| |
| for (i = 0; i < evergreen_default_size; i++) |
| radeon_ring_write(rdev, evergreen_default_state[i]); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); |
| radeon_ring_write(rdev, PACKET3_PREAMBLE_END_CLEAR_STATE); |
| |
| /* set clear context state */ |
| radeon_ring_write(rdev, PACKET3(PACKET3_CLEAR_STATE, 0)); |
| radeon_ring_write(rdev, 0); |
| |
| /* SQ_VTX_BASE_VTX_LOC */ |
| radeon_ring_write(rdev, 0xc0026f00); |
| radeon_ring_write(rdev, 0x00000000); |
| radeon_ring_write(rdev, 0x00000000); |
| radeon_ring_write(rdev, 0x00000000); |
| |
| /* Clear consts */ |
| radeon_ring_write(rdev, 0xc0036f00); |
| radeon_ring_write(rdev, 0x00000bc4); |
| radeon_ring_write(rdev, 0xffffffff); |
| radeon_ring_write(rdev, 0xffffffff); |
| radeon_ring_write(rdev, 0xffffffff); |
| |
| radeon_ring_write(rdev, 0xc0026900); |
| radeon_ring_write(rdev, 0x00000316); |
| radeon_ring_write(rdev, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */ |
| radeon_ring_write(rdev, 0x00000010); /* */ |
| |
| radeon_ring_unlock_commit(rdev); |
| |
| return 0; |
| } |
| |
| int evergreen_cp_resume(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| u32 rb_bufsz; |
| int r; |
| |
| /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */ |
| WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP | |
| SOFT_RESET_PA | |
| SOFT_RESET_SH | |
| SOFT_RESET_VGT | |
| SOFT_RESET_SPI | |
| SOFT_RESET_SX)); |
| RREG32(GRBM_SOFT_RESET); |
| mdelay(15); |
| WREG32(GRBM_SOFT_RESET, 0); |
| RREG32(GRBM_SOFT_RESET); |
| |
| /* Set ring buffer size */ |
| rb_bufsz = drm_order(rdev->cp.ring_size / 8); |
| tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; |
| #ifdef __BIG_ENDIAN |
| tmp |= BUF_SWAP_32BIT; |
| #endif |
| WREG32(CP_RB_CNTL, tmp); |
| WREG32(CP_SEM_WAIT_TIMER, 0x4); |
| |
| /* Set the write pointer delay */ |
| WREG32(CP_RB_WPTR_DELAY, 0); |
| |
| /* Initialize the ring buffer's read and write pointers */ |
| WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); |
| WREG32(CP_RB_RPTR_WR, 0); |
| WREG32(CP_RB_WPTR, 0); |
| |
| /* set the wb address wether it's enabled or not */ |
| WREG32(CP_RB_RPTR_ADDR, |
| ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC)); |
| WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); |
| WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); |
| |
| if (rdev->wb.enabled) |
| WREG32(SCRATCH_UMSK, 0xff); |
| else { |
| tmp |= RB_NO_UPDATE; |
| WREG32(SCRATCH_UMSK, 0); |
| } |
| |
| mdelay(1); |
| WREG32(CP_RB_CNTL, tmp); |
| |
| WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8); |
| WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); |
| |
| rdev->cp.rptr = RREG32(CP_RB_RPTR); |
| rdev->cp.wptr = RREG32(CP_RB_WPTR); |
| |
| evergreen_cp_start(rdev); |
| rdev->cp.ready = true; |
| r = radeon_ring_test(rdev); |
| if (r) { |
| rdev->cp.ready = false; |
| return r; |
| } |
| return 0; |
| } |
| |
| /* |
| * Core functions |
| */ |
| static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev, |
| u32 num_tile_pipes, |
| u32 num_backends, |
| u32 backend_disable_mask) |
| { |
| u32 backend_map = 0; |
| u32 enabled_backends_mask = 0; |
| u32 enabled_backends_count = 0; |
| u32 cur_pipe; |
| u32 swizzle_pipe[EVERGREEN_MAX_PIPES]; |
| u32 cur_backend = 0; |
| u32 i; |
| bool force_no_swizzle; |
| |
| if (num_tile_pipes > EVERGREEN_MAX_PIPES) |
| num_tile_pipes = EVERGREEN_MAX_PIPES; |
| if (num_tile_pipes < 1) |
| num_tile_pipes = 1; |
| if (num_backends > EVERGREEN_MAX_BACKENDS) |
| num_backends = EVERGREEN_MAX_BACKENDS; |
| if (num_backends < 1) |
| num_backends = 1; |
| |
| for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) { |
| if (((backend_disable_mask >> i) & 1) == 0) { |
| enabled_backends_mask |= (1 << i); |
| ++enabled_backends_count; |
| } |
| if (enabled_backends_count == num_backends) |
| break; |
| } |
| |
| if (enabled_backends_count == 0) { |
| enabled_backends_mask = 1; |
| enabled_backends_count = 1; |
| } |
| |
| if (enabled_backends_count != num_backends) |
| num_backends = enabled_backends_count; |
| |
| memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * EVERGREEN_MAX_PIPES); |
| switch (rdev->family) { |
| case CHIP_CEDAR: |
| case CHIP_REDWOOD: |
| case CHIP_PALM: |
| case CHIP_SUMO: |
| case CHIP_SUMO2: |
| case CHIP_TURKS: |
| case CHIP_CAICOS: |
| force_no_swizzle = false; |
| break; |
| case CHIP_CYPRESS: |
| case CHIP_HEMLOCK: |
| case CHIP_JUNIPER: |
| case CHIP_BARTS: |
| default: |
| force_no_swizzle = true; |
| break; |
| } |
| if (force_no_swizzle) { |
| bool last_backend_enabled = false; |
| |
| force_no_swizzle = false; |
| for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) { |
| if (((enabled_backends_mask >> i) & 1) == 1) { |
| if (last_backend_enabled) |
| force_no_swizzle = true; |
| last_backend_enabled = true; |
| } else |
| last_backend_enabled = false; |
| } |
| } |
| |
| switch (num_tile_pipes) { |
| case 1: |
| case 3: |
| case 5: |
| case 7: |
| DRM_ERROR("odd number of pipes!\n"); |
| break; |
| case 2: |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 1; |
| break; |
| case 4: |
| if (force_no_swizzle) { |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 1; |
| swizzle_pipe[2] = 2; |
| swizzle_pipe[3] = 3; |
| } else { |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 2; |
| swizzle_pipe[2] = 1; |
| swizzle_pipe[3] = 3; |
| } |
| break; |
| case 6: |
| if (force_no_swizzle) { |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 1; |
| swizzle_pipe[2] = 2; |
| swizzle_pipe[3] = 3; |
| swizzle_pipe[4] = 4; |
| swizzle_pipe[5] = 5; |
| } else { |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 2; |
| swizzle_pipe[2] = 4; |
| swizzle_pipe[3] = 1; |
| swizzle_pipe[4] = 3; |
| swizzle_pipe[5] = 5; |
| } |
| break; |
| case 8: |
| if (force_no_swizzle) { |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 1; |
| swizzle_pipe[2] = 2; |
| swizzle_pipe[3] = 3; |
| swizzle_pipe[4] = 4; |
| swizzle_pipe[5] = 5; |
| swizzle_pipe[6] = 6; |
| swizzle_pipe[7] = 7; |
| } else { |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 2; |
| swizzle_pipe[2] = 4; |
| swizzle_pipe[3] = 6; |
| swizzle_pipe[4] = 1; |
| swizzle_pipe[5] = 3; |
| swizzle_pipe[6] = 5; |
| swizzle_pipe[7] = 7; |
| } |
| break; |
| } |
| |
| for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) { |
| while (((1 << cur_backend) & enabled_backends_mask) == 0) |
| cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS; |
| |
| backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4))); |
| |
| cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS; |
| } |
| |
| return backend_map; |
| } |
| |
| static void evergreen_program_channel_remap(struct radeon_device *rdev) |
| { |
| u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp; |
| |
| tmp = RREG32(MC_SHARED_CHMAP); |
| switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { |
| case 0: |
| case 1: |
| case 2: |
| case 3: |
| default: |
| /* default mapping */ |
| mc_shared_chremap = 0x00fac688; |
| break; |
| } |
| |
| switch (rdev->family) { |
| case CHIP_HEMLOCK: |
| case CHIP_CYPRESS: |
| case CHIP_BARTS: |
| tcp_chan_steer_lo = 0x54763210; |
| tcp_chan_steer_hi = 0x0000ba98; |
| break; |
| case CHIP_JUNIPER: |
| case CHIP_REDWOOD: |
| case CHIP_CEDAR: |
| case CHIP_PALM: |
| case CHIP_SUMO: |
| case CHIP_SUMO2: |
| case CHIP_TURKS: |
| case CHIP_CAICOS: |
| default: |
| tcp_chan_steer_lo = 0x76543210; |
| tcp_chan_steer_hi = 0x0000ba98; |
| break; |
| } |
| |
| WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo); |
| WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi); |
| WREG32(MC_SHARED_CHREMAP, mc_shared_chremap); |
| } |
| |
| static void evergreen_gpu_init(struct radeon_device *rdev) |
| { |
| u32 cc_rb_backend_disable = 0; |
| u32 cc_gc_shader_pipe_config; |
| u32 gb_addr_config = 0; |
| u32 mc_shared_chmap, mc_arb_ramcfg; |
| u32 gb_backend_map; |
| u32 grbm_gfx_index; |
| u32 sx_debug_1; |
| u32 smx_dc_ctl0; |
| u32 sq_config; |
| u32 sq_lds_resource_mgmt; |
| u32 sq_gpr_resource_mgmt_1; |
| u32 sq_gpr_resource_mgmt_2; |
| u32 sq_gpr_resource_mgmt_3; |
| u32 sq_thread_resource_mgmt; |
| u32 sq_thread_resource_mgmt_2; |
| u32 sq_stack_resource_mgmt_1; |
| u32 sq_stack_resource_mgmt_2; |
| u32 sq_stack_resource_mgmt_3; |
| u32 vgt_cache_invalidation; |
| u32 hdp_host_path_cntl, tmp; |
| int i, j, num_shader_engines, ps_thread_count; |
| |
| switch (rdev->family) { |
| case CHIP_CYPRESS: |
| case CHIP_HEMLOCK: |
| rdev->config.evergreen.num_ses = 2; |
| rdev->config.evergreen.max_pipes = 4; |
| rdev->config.evergreen.max_tile_pipes = 8; |
| rdev->config.evergreen.max_simds = 10; |
| rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses; |
| rdev->config.evergreen.max_gprs = 256; |
| rdev->config.evergreen.max_threads = 248; |
| rdev->config.evergreen.max_gs_threads = 32; |
| rdev->config.evergreen.max_stack_entries = 512; |
| rdev->config.evergreen.sx_num_of_sets = 4; |
| rdev->config.evergreen.sx_max_export_size = 256; |
| rdev->config.evergreen.sx_max_export_pos_size = 64; |
| rdev->config.evergreen.sx_max_export_smx_size = 192; |
| rdev->config.evergreen.max_hw_contexts = 8; |
| rdev->config.evergreen.sq_num_cf_insts = 2; |
| |
| rdev->config.evergreen.sc_prim_fifo_size = 0x100; |
| rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; |
| rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; |
| break; |
| case CHIP_JUNIPER: |
| rdev->config.evergreen.num_ses = 1; |
| rdev->config.evergreen.max_pipes = 4; |
| rdev->config.evergreen.max_tile_pipes = 4; |
| rdev->config.evergreen.max_simds = 10; |
| rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses; |
| rdev->config.evergreen.max_gprs = 256; |
| rdev->config.evergreen.max_threads = 248; |
| rdev->config.evergreen.max_gs_threads = 32; |
| rdev->config.evergreen.max_stack_entries = 512; |
| rdev->config.evergreen.sx_num_of_sets = 4; |
| rdev->config.evergreen.sx_max_export_size = 256; |
| rdev->config.evergreen.sx_max_export_pos_size = 64; |
| rdev->config.evergreen.sx_max_export_smx_size = 192; |
| rdev->config.evergreen.max_hw_contexts = 8; |
| rdev->config.evergreen.sq_num_cf_insts = 2; |
| |
| rdev->config.evergreen.sc_prim_fifo_size = 0x100; |
| rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; |
| rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; |
| break; |
| case CHIP_REDWOOD: |
| rdev->config.evergreen.num_ses = 1; |
| rdev->config.evergreen.max_pipes = 4; |
| rdev->config.evergreen.max_tile_pipes = 4; |
| rdev->config.evergreen.max_simds = 5; |
| rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses; |
| rdev->config.evergreen.max_gprs = 256; |
| rdev->config.evergreen.max_threads = 248; |
| rdev->config.evergreen.max_gs_threads = 32; |
| rdev->config.evergreen.max_stack_entries = 256; |
| rdev->config.evergreen.sx_num_of_sets = 4; |
| rdev->config.evergreen.sx_max_export_size = 256; |
| rdev->config.evergreen.sx_max_export_pos_size = 64; |
| rdev->config.evergreen.sx_max_export_smx_size = 192; |
| rdev->config.evergreen.max_hw_contexts = 8; |
| rdev->config.evergreen.sq_num_cf_insts = 2; |
| |
| rdev->config.evergreen.sc_prim_fifo_size = 0x100; |
| rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; |
| rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; |
| break; |
| case CHIP_CEDAR: |
| default: |
| rdev->config.evergreen.num_ses = 1; |
| rdev->config.evergreen.max_pipes = 2; |
| rdev->config.evergreen.max_tile_pipes = 2; |
| rdev->config.evergreen.max_simds = 2; |
| rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses; |
| rdev->config.evergreen.max_gprs = 256; |
| rdev->config.evergreen.max_threads = 192; |
| rdev->config.evergreen.max_gs_threads = 16; |
| rdev->config.evergreen.max_stack_entries = 256; |
| rdev->config.evergreen.sx_num_of_sets = 4; |
| rdev->config.evergreen.sx_max_export_size = 128; |
| rdev->config.evergreen.sx_max_export_pos_size = 32; |
| rdev->config.evergreen.sx_max_export_smx_size = 96; |
| rdev->config.evergreen.max_hw_contexts = 4; |
| rdev->config.evergreen.sq_num_cf_insts = 1; |
| |
| rdev->config.evergreen.sc_prim_fifo_size = 0x40; |
| rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; |
| rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; |
| break; |
| case CHIP_PALM: |
| rdev->config.evergreen.num_ses = 1; |
| rdev->config.evergreen.max_pipes = 2; |
| rdev->config.evergreen.max_tile_pipes = 2; |
| rdev->config.evergreen.max_simds = 2; |
| rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses; |
| rdev->config.evergreen.max_gprs = 256; |
| rdev->config.evergreen.max_threads = 192; |
| rdev->config.evergreen.max_gs_threads = 16; |
| rdev->config.evergreen.max_stack_entries = 256; |
| rdev->config.evergreen.sx_num_of_sets = 4; |
| rdev->config.evergreen.sx_max_export_size = 128; |
| rdev->config.evergreen.sx_max_export_pos_size = 32; |
| rdev->config.evergreen.sx_max_export_smx_size = 96; |
| rdev->config.evergreen.max_hw_contexts = 4; |
| rdev->config.evergreen.sq_num_cf_insts = 1; |
| |
| rdev->config.evergreen.sc_prim_fifo_size = 0x40; |
| rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; |
| rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; |
| break; |
| case CHIP_SUMO: |
| rdev->config.evergreen.num_ses = 1; |
| rdev->config.evergreen.max_pipes = 4; |
| rdev->config.evergreen.max_tile_pipes = 2; |
| if (rdev->pdev->device == 0x9648) |
| rdev->config.evergreen.max_simds = 3; |
| else if ((rdev->pdev->device == 0x9647) || |
| (rdev->pdev->device == 0x964a)) |
| rdev->config.evergreen.max_simds = 4; |
| else |
| rdev->config.evergreen.max_simds = 5; |
| rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses; |
| rdev->config.evergreen.max_gprs = 256; |
| rdev->config.evergreen.max_threads = 248; |
| rdev->config.evergreen.max_gs_threads = 32; |
| rdev->config.evergreen.max_stack_entries = 256; |
| rdev->config.evergreen.sx_num_of_sets = 4; |
| rdev->config.evergreen.sx_max_export_size = 256; |
| rdev->config.evergreen.sx_max_export_pos_size = 64; |
| rdev->config.evergreen.sx_max_export_smx_size = 192; |
| rdev->config.evergreen.max_hw_contexts = 8; |
| rdev->config.evergreen.sq_num_cf_insts = 2; |
| |
| rdev->config.evergreen.sc_prim_fifo_size = 0x40; |
| rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; |
| rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; |
| break; |
| case CHIP_SUMO2: |
| rdev->config.evergreen.num_ses = 1; |
| rdev->config.evergreen.max_pipes = 4; |
| rdev->config.evergreen.max_tile_pipes = 4; |
| rdev->config.evergreen.max_simds = 2; |
| rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses; |
| rdev->config.evergreen.max_gprs = 256; |
| rdev->config.evergreen.max_threads = 248; |
| rdev->config.evergreen.max_gs_threads = 32; |
| rdev->config.evergreen.max_stack_entries = 512; |
| rdev->config.evergreen.sx_num_of_sets = 4; |
| rdev->config.evergreen.sx_max_export_size = 256; |
| rdev->config.evergreen.sx_max_export_pos_size = 64; |
| rdev->config.evergreen.sx_max_export_smx_size = 192; |
| rdev->config.evergreen.max_hw_contexts = 8; |
| rdev->config.evergreen.sq_num_cf_insts = 2; |
| |
| rdev->config.evergreen.sc_prim_fifo_size = 0x40; |
| rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; |
| rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; |
| break; |
| case CHIP_BARTS: |
| rdev->config.evergreen.num_ses = 2; |
| rdev->config.evergreen.max_pipes = 4; |
| rdev->config.evergreen.max_tile_pipes = 8; |
| rdev->config.evergreen.max_simds = 7; |
| rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses; |
| rdev->config.evergreen.max_gprs = 256; |
| rdev->config.evergreen.max_threads = 248; |
| rdev->config.evergreen.max_gs_threads = 32; |
| rdev->config.evergreen.max_stack_entries = 512; |
| rdev->config.evergreen.sx_num_of_sets = 4; |
| rdev->config.evergreen.sx_max_export_size = 256; |
| rdev->config.evergreen.sx_max_export_pos_size = 64; |
| rdev->config.evergreen.sx_max_export_smx_size = 192; |
| rdev->config.evergreen.max_hw_contexts = 8; |
| rdev->config.evergreen.sq_num_cf_insts = 2; |
| |
| rdev->config.evergreen.sc_prim_fifo_size = 0x100; |
| rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; |
| rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; |
| break; |
| case CHIP_TURKS: |
| rdev->config.evergreen.num_ses = 1; |
| rdev->config.evergreen.max_pipes = 4; |
| rdev->config.evergreen.max_tile_pipes = 4; |
| rdev->config.evergreen.max_simds = 6; |
| rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses; |
| rdev->config.evergreen.max_gprs = 256; |
| rdev->config.evergreen.max_threads = 248; |
| rdev->config.evergreen.max_gs_threads = 32; |
| rdev->config.evergreen.max_stack_entries = 256; |
| rdev->config.evergreen.sx_num_of_sets = 4; |
| rdev->config.evergreen.sx_max_export_size = 256; |
| rdev->config.evergreen.sx_max_export_pos_size = 64; |
| rdev->config.evergreen.sx_max_export_smx_size = 192; |
| rdev->config.evergreen.max_hw_contexts = 8; |
| rdev->config.evergreen.sq_num_cf_insts = 2; |
| |
| rdev->config.evergreen.sc_prim_fifo_size = 0x100; |
| rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; |
| rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; |
| break; |
| case CHIP_CAICOS: |
| rdev->config.evergreen.num_ses = 1; |
| rdev->config.evergreen.max_pipes = 4; |
| rdev->config.evergreen.max_tile_pipes = 2; |
| rdev->config.evergreen.max_simds = 2; |
| rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses; |
| rdev->config.evergreen.max_gprs = 256; |
| rdev->config.evergreen.max_threads = 192; |
| rdev->config.evergreen.max_gs_threads = 16; |
| rdev->config.evergreen.max_stack_entries = 256; |
| rdev->config.evergreen.sx_num_of_sets = 4; |
| rdev->config.evergreen.sx_max_export_size = 128; |
| rdev->config.evergreen.sx_max_export_pos_size = 32; |
| rdev->config.evergreen.sx_max_export_smx_size = 96; |
| rdev->config.evergreen.max_hw_contexts = 4; |
| rdev->config.evergreen.sq_num_cf_insts = 1; |
| |
| rdev->config.evergreen.sc_prim_fifo_size = 0x40; |
| rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; |
| rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; |
| break; |
| } |
| |
| /* Initialize HDP */ |
| for (i = 0, j = 0; i < 32; i++, j += 0x18) { |
| WREG32((0x2c14 + j), 0x00000000); |
| WREG32((0x2c18 + j), 0x00000000); |
| WREG32((0x2c1c + j), 0x00000000); |
| WREG32((0x2c20 + j), 0x00000000); |
| WREG32((0x2c24 + j), 0x00000000); |
| } |
| |
| WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); |
| |
| evergreen_fix_pci_max_read_req_size(rdev); |
| |
| cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2; |
| |
| cc_gc_shader_pipe_config |= |
| INACTIVE_QD_PIPES((EVERGREEN_MAX_PIPES_MASK << rdev->config.evergreen.max_pipes) |
| & EVERGREEN_MAX_PIPES_MASK); |
| cc_gc_shader_pipe_config |= |
| INACTIVE_SIMDS((EVERGREEN_MAX_SIMDS_MASK << rdev->config.evergreen.max_simds) |
| & EVERGREEN_MAX_SIMDS_MASK); |
| |
| cc_rb_backend_disable = |
| BACKEND_DISABLE((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends) |
| & EVERGREEN_MAX_BACKENDS_MASK); |
| |
| |
| mc_shared_chmap = RREG32(MC_SHARED_CHMAP); |
| if (rdev->flags & RADEON_IS_IGP) |
| mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG); |
| else |
| mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); |
| |
| switch (rdev->config.evergreen.max_tile_pipes) { |
| case 1: |
| default: |
| gb_addr_config |= NUM_PIPES(0); |
| break; |
| case 2: |
| gb_addr_config |= NUM_PIPES(1); |
| break; |
| case 4: |
| gb_addr_config |= NUM_PIPES(2); |
| break; |
| case 8: |
| gb_addr_config |= NUM_PIPES(3); |
| break; |
| } |
| |
| gb_addr_config |= PIPE_INTERLEAVE_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT); |
| gb_addr_config |= BANK_INTERLEAVE_SIZE(0); |
| gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.evergreen.num_ses - 1); |
| gb_addr_config |= SHADER_ENGINE_TILE_SIZE(1); |
| gb_addr_config |= NUM_GPUS(0); /* Hemlock? */ |
| gb_addr_config |= MULTI_GPU_TILE_SIZE(2); |
| |
| if (((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT) > 2) |
| gb_addr_config |= ROW_SIZE(2); |
| else |
| gb_addr_config |= ROW_SIZE((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT); |
| |
| if (rdev->ddev->pdev->device == 0x689e) { |
| u32 efuse_straps_4; |
| u32 efuse_straps_3; |
| u8 efuse_box_bit_131_124; |
| |
| WREG32(RCU_IND_INDEX, 0x204); |
| efuse_straps_4 = RREG32(RCU_IND_DATA); |
| WREG32(RCU_IND_INDEX, 0x203); |
| efuse_straps_3 = RREG32(RCU_IND_DATA); |
| efuse_box_bit_131_124 = (u8)(((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28)); |
| |
| switch(efuse_box_bit_131_124) { |
| case 0x00: |
| gb_backend_map = 0x76543210; |
| break; |
| case 0x55: |
| gb_backend_map = 0x77553311; |
| break; |
| case 0x56: |
| gb_backend_map = 0x77553300; |
| break; |
| case 0x59: |
| gb_backend_map = 0x77552211; |
| break; |
| case 0x66: |
| gb_backend_map = 0x77443300; |
| break; |
| case 0x99: |
| gb_backend_map = 0x66552211; |
| break; |
| case 0x5a: |
| gb_backend_map = 0x77552200; |
| break; |
| case 0xaa: |
| gb_backend_map = 0x66442200; |
| break; |
| case 0x95: |
| gb_backend_map = 0x66553311; |
| break; |
| default: |
| DRM_ERROR("bad backend map, using default\n"); |
| gb_backend_map = |
| evergreen_get_tile_pipe_to_backend_map(rdev, |
| rdev->config.evergreen.max_tile_pipes, |
| rdev->config.evergreen.max_backends, |
| ((EVERGREEN_MAX_BACKENDS_MASK << |
| rdev->config.evergreen.max_backends) & |
| EVERGREEN_MAX_BACKENDS_MASK)); |
| break; |
| } |
| } else if (rdev->ddev->pdev->device == 0x68b9) { |
| u32 efuse_straps_3; |
| u8 efuse_box_bit_127_124; |
| |
| WREG32(RCU_IND_INDEX, 0x203); |
| efuse_straps_3 = RREG32(RCU_IND_DATA); |
| efuse_box_bit_127_124 = (u8)((efuse_straps_3 & 0xF0000000) >> 28); |
| |
| switch(efuse_box_bit_127_124) { |
| case 0x0: |
| gb_backend_map = 0x00003210; |
| break; |
| case 0x5: |
| case 0x6: |
| case 0x9: |
| case 0xa: |
| gb_backend_map = 0x00003311; |
| break; |
| default: |
| DRM_ERROR("bad backend map, using default\n"); |
| gb_backend_map = |
| evergreen_get_tile_pipe_to_backend_map(rdev, |
| rdev->config.evergreen.max_tile_pipes, |
| rdev->config.evergreen.max_backends, |
| ((EVERGREEN_MAX_BACKENDS_MASK << |
| rdev->config.evergreen.max_backends) & |
| EVERGREEN_MAX_BACKENDS_MASK)); |
| break; |
| } |
| } else { |
| switch (rdev->family) { |
| case CHIP_CYPRESS: |
| case CHIP_HEMLOCK: |
| case CHIP_BARTS: |
| gb_backend_map = 0x66442200; |
| break; |
| case CHIP_JUNIPER: |
| gb_backend_map = 0x00002200; |
| break; |
| default: |
| gb_backend_map = |
| evergreen_get_tile_pipe_to_backend_map(rdev, |
| rdev->config.evergreen.max_tile_pipes, |
| rdev->config.evergreen.max_backends, |
| ((EVERGREEN_MAX_BACKENDS_MASK << |
| rdev->config.evergreen.max_backends) & |
| EVERGREEN_MAX_BACKENDS_MASK)); |
| } |
| } |
| |
| /* setup tiling info dword. gb_addr_config is not adequate since it does |
| * not have bank info, so create a custom tiling dword. |
| * bits 3:0 num_pipes |
| * bits 7:4 num_banks |
| * bits 11:8 group_size |
| * bits 15:12 row_size |
| */ |
| rdev->config.evergreen.tile_config = 0; |
| switch (rdev->config.evergreen.max_tile_pipes) { |
| case 1: |
| default: |
| rdev->config.evergreen.tile_config |= (0 << 0); |
| break; |
| case 2: |
| rdev->config.evergreen.tile_config |= (1 << 0); |
| break; |
| case 4: |
| rdev->config.evergreen.tile_config |= (2 << 0); |
| break; |
| case 8: |
| rdev->config.evergreen.tile_config |= (3 << 0); |
| break; |
| } |
| /* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */ |
| if (rdev->flags & RADEON_IS_IGP) |
| rdev->config.evergreen.tile_config |= 1 << 4; |
| else |
| rdev->config.evergreen.tile_config |= |
| ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4; |
| rdev->config.evergreen.tile_config |= |
| ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) << 8; |
| rdev->config.evergreen.tile_config |= |
| ((gb_addr_config & 0x30000000) >> 28) << 12; |
| |
| rdev->config.evergreen.backend_map = gb_backend_map; |
| WREG32(GB_BACKEND_MAP, gb_backend_map); |
| WREG32(GB_ADDR_CONFIG, gb_addr_config); |
| WREG32(DMIF_ADDR_CONFIG, gb_addr_config); |
| WREG32(HDP_ADDR_CONFIG, gb_addr_config); |
| |
| evergreen_program_channel_remap(rdev); |
| |
| num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1; |
| grbm_gfx_index = INSTANCE_BROADCAST_WRITES; |
| |
| for (i = 0; i < rdev->config.evergreen.num_ses; i++) { |
| u32 rb = cc_rb_backend_disable | (0xf0 << 16); |
| u32 sp = cc_gc_shader_pipe_config; |
| u32 gfx = grbm_gfx_index | SE_INDEX(i); |
| |
| if (i == num_shader_engines) { |
| rb |= BACKEND_DISABLE(EVERGREEN_MAX_BACKENDS_MASK); |
| sp |= INACTIVE_SIMDS(EVERGREEN_MAX_SIMDS_MASK); |
| } |
| |
| WREG32(GRBM_GFX_INDEX, gfx); |
| WREG32(RLC_GFX_INDEX, gfx); |
| |
| WREG32(CC_RB_BACKEND_DISABLE, rb); |
| WREG32(CC_SYS_RB_BACKEND_DISABLE, rb); |
| WREG32(GC_USER_RB_BACKEND_DISABLE, rb); |
| WREG32(CC_GC_SHADER_PIPE_CONFIG, sp); |
| } |
| |
| grbm_gfx_index |= SE_BROADCAST_WRITES; |
| WREG32(GRBM_GFX_INDEX, grbm_gfx_index); |
| WREG32(RLC_GFX_INDEX, grbm_gfx_index); |
| |
| WREG32(CGTS_SYS_TCC_DISABLE, 0); |
| WREG32(CGTS_TCC_DISABLE, 0); |
| WREG32(CGTS_USER_SYS_TCC_DISABLE, 0); |
| WREG32(CGTS_USER_TCC_DISABLE, 0); |
| |
| /* set HW defaults for 3D engine */ |
| WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | |
| ROQ_IB2_START(0x2b))); |
| |
| WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30)); |
| |
| WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | |
| SYNC_GRADIENT | |
| SYNC_WALKER | |
| SYNC_ALIGNER)); |
| |
| sx_debug_1 = RREG32(SX_DEBUG_1); |
| sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS; |
| WREG32(SX_DEBUG_1, sx_debug_1); |
| |
| |
| smx_dc_ctl0 = RREG32(SMX_DC_CTL0); |
| smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff); |
| smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets); |
| WREG32(SMX_DC_CTL0, smx_dc_ctl0); |
| |
| WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) | |
| POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) | |
| SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1))); |
| |
| WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) | |
| SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) | |
| SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size))); |
| |
| WREG32(VGT_NUM_INSTANCES, 1); |
| WREG32(SPI_CONFIG_CNTL, 0); |
| WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4)); |
| WREG32(CP_PERFMON_CNTL, 0); |
| |
| WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) | |
| FETCH_FIFO_HIWATER(0x4) | |
| DONE_FIFO_HIWATER(0xe0) | |
| ALU_UPDATE_FIFO_HIWATER(0x8))); |
| |
| sq_config = RREG32(SQ_CONFIG); |
| sq_config &= ~(PS_PRIO(3) | |
| VS_PRIO(3) | |
| GS_PRIO(3) | |
| ES_PRIO(3)); |
| sq_config |= (VC_ENABLE | |
| EXPORT_SRC_C | |
| PS_PRIO(0) | |
| VS_PRIO(1) | |
| GS_PRIO(2) | |
| ES_PRIO(3)); |
| |
| switch (rdev->family) { |
| case CHIP_CEDAR: |
| case CHIP_PALM: |
| case CHIP_SUMO: |
| case CHIP_SUMO2: |
| case CHIP_CAICOS: |
| /* no vertex cache */ |
| sq_config &= ~VC_ENABLE; |
| break; |
| default: |
| break; |
| } |
| |
| sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT); |
| |
| sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32); |
| sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32); |
| sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4); |
| sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32); |
| sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32); |
| sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32); |
| sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32); |
| |
| switch (rdev->family) { |
| case CHIP_CEDAR: |
| case CHIP_PALM: |
| case CHIP_SUMO: |
| case CHIP_SUMO2: |
| ps_thread_count = 96; |
| break; |
| default: |
| ps_thread_count = 128; |
| break; |
| } |
| |
| sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count); |
| sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); |
| sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); |
| sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); |
| sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); |
| sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); |
| |
| sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); |
| sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); |
| sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); |
| sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); |
| sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); |
| sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); |
| |
| WREG32(SQ_CONFIG, sq_config); |
| WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1); |
| WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2); |
| WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3); |
| WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt); |
| WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2); |
| WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1); |
| WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2); |
| WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3); |
| WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0); |
| WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt); |
| |
| WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) | |
| FORCE_EOV_MAX_REZ_CNT(255))); |
| |
| switch (rdev->family) { |
| case CHIP_CEDAR: |
| case CHIP_PALM: |
| case CHIP_SUMO: |
| case CHIP_SUMO2: |
| case CHIP_CAICOS: |
| vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY); |
| break; |
| default: |
| vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC); |
| break; |
| } |
| vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO); |
| WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation); |
| |
| WREG32(VGT_GS_VERTEX_REUSE, 16); |
| WREG32(PA_SU_LINE_STIPPLE_VALUE, 0); |
| WREG32(PA_SC_LINE_STIPPLE_STATE, 0); |
| |
| WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14); |
| WREG32(VGT_OUT_DEALLOC_CNTL, 16); |
| |
| WREG32(CB_PERF_CTR0_SEL_0, 0); |
| WREG32(CB_PERF_CTR0_SEL_1, 0); |
| WREG32(CB_PERF_CTR1_SEL_0, 0); |
| WREG32(CB_PERF_CTR1_SEL_1, 0); |
| WREG32(CB_PERF_CTR2_SEL_0, 0); |
| WREG32(CB_PERF_CTR2_SEL_1, 0); |
| WREG32(CB_PERF_CTR3_SEL_0, 0); |
| WREG32(CB_PERF_CTR3_SEL_1, 0); |
| |
| /* clear render buffer base addresses */ |
| WREG32(CB_COLOR0_BASE, 0); |
| WREG32(CB_COLOR1_BASE, 0); |
| WREG32(CB_COLOR2_BASE, 0); |
| WREG32(CB_COLOR3_BASE, 0); |
| WREG32(CB_COLOR4_BASE, 0); |
| WREG32(CB_COLOR5_BASE, 0); |
| WREG32(CB_COLOR6_BASE, 0); |
| WREG32(CB_COLOR7_BASE, 0); |
| WREG32(CB_COLOR8_BASE, 0); |
| WREG32(CB_COLOR9_BASE, 0); |
| WREG32(CB_COLOR10_BASE, 0); |
| WREG32(CB_COLOR11_BASE, 0); |
| |
| /* set the shader const cache sizes to 0 */ |
| for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4) |
| WREG32(i, 0); |
| for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4) |
| WREG32(i, 0); |
| |
| tmp = RREG32(HDP_MISC_CNTL); |
| tmp |= HDP_FLUSH_INVALIDATE_CACHE; |
| WREG32(HDP_MISC_CNTL, tmp); |
| |
| hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); |
| WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); |
| |
| WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3)); |
| |
| udelay(50); |
| |
| } |
| |
| int evergreen_mc_init(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| int chansize, numchan; |
| |
| /* Get VRAM informations */ |
| rdev->mc.vram_is_ddr = true; |
| if (rdev->flags & RADEON_IS_IGP) |
| tmp = RREG32(FUS_MC_ARB_RAMCFG); |
| else |
| tmp = RREG32(MC_ARB_RAMCFG); |
| if (tmp & CHANSIZE_OVERRIDE) { |
| chansize = 16; |
| } else if (tmp & CHANSIZE_MASK) { |
| chansize = 64; |
| } else { |
| chansize = 32; |
| } |
| tmp = RREG32(MC_SHARED_CHMAP); |
| switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { |
| case 0: |
| default: |
| numchan = 1; |
| break; |
| case 1: |
| numchan = 2; |
| break; |
| case 2: |
| numchan = 4; |
| break; |
| case 3: |
| numchan = 8; |
| break; |
| } |
| rdev->mc.vram_width = numchan * chansize; |
| /* Could aper size report 0 ? */ |
| rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); |
| rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); |
| /* Setup GPU memory space */ |
| if (rdev->flags & RADEON_IS_IGP) { |
| /* size in bytes on fusion */ |
| rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); |
| rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); |
| } else { |
| /* size in MB on evergreen */ |
| rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; |
| rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; |
| } |
| rdev->mc.visible_vram_size = rdev->mc.aper_size; |
| r700_vram_gtt_location(rdev, &rdev->mc); |
| radeon_update_bandwidth_info(rdev); |
| |
| return 0; |
| } |
| |
| bool evergreen_gpu_is_lockup(struct radeon_device *rdev) |
| { |
| u32 srbm_status; |
| u32 grbm_status; |
| u32 grbm_status_se0, grbm_status_se1; |
| struct r100_gpu_lockup *lockup = &rdev->config.evergreen.lockup; |
| int r; |
| |
| srbm_status = RREG32(SRBM_STATUS); |
| grbm_status = RREG32(GRBM_STATUS); |
| grbm_status_se0 = RREG32(GRBM_STATUS_SE0); |
| grbm_status_se1 = RREG32(GRBM_STATUS_SE1); |
| if (!(grbm_status & GUI_ACTIVE)) { |
| r100_gpu_lockup_update(lockup, &rdev->cp); |
| return false; |
| } |
| /* force CP activities */ |
| r = radeon_ring_lock(rdev, 2); |
| if (!r) { |
| /* PACKET2 NOP */ |
| radeon_ring_write(rdev, 0x80000000); |
| radeon_ring_write(rdev, 0x80000000); |
| radeon_ring_unlock_commit(rdev); |
| } |
| rdev->cp.rptr = RREG32(CP_RB_RPTR); |
| return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp); |
| } |
| |
| static int evergreen_gpu_soft_reset(struct radeon_device *rdev) |
| { |
| struct evergreen_mc_save save; |
| u32 grbm_reset = 0; |
| |
| if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) |
| return 0; |
| |
| dev_info(rdev->dev, "GPU softreset \n"); |
| dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", |
| RREG32(GRBM_STATUS)); |
| dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", |
| RREG32(GRBM_STATUS_SE0)); |
| dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", |
| RREG32(GRBM_STATUS_SE1)); |
| dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", |
| RREG32(SRBM_STATUS)); |
| evergreen_mc_stop(rdev, &save); |
| if (evergreen_mc_wait_for_idle(rdev)) { |
| dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); |
| } |
| /* Disable CP parsing/prefetching */ |
| WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); |
| |
| /* reset all the gfx blocks */ |
| grbm_reset = (SOFT_RESET_CP | |
| SOFT_RESET_CB | |
| SOFT_RESET_DB | |
| SOFT_RESET_PA | |
| SOFT_RESET_SC | |
| SOFT_RESET_SPI | |
| SOFT_RESET_SH | |
| SOFT_RESET_SX | |
| SOFT_RESET_TC | |
| SOFT_RESET_TA | |
| SOFT_RESET_VC | |
| SOFT_RESET_VGT); |
| |
| dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset); |
| WREG32(GRBM_SOFT_RESET, grbm_reset); |
| (void)RREG32(GRBM_SOFT_RESET); |
| udelay(50); |
| WREG32(GRBM_SOFT_RESET, 0); |
| (void)RREG32(GRBM_SOFT_RESET); |
| /* Wait a little for things to settle down */ |
| udelay(50); |
| dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", |
| RREG32(GRBM_STATUS)); |
| dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", |
| RREG32(GRBM_STATUS_SE0)); |
| dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", |
| RREG32(GRBM_STATUS_SE1)); |
| dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", |
| RREG32(SRBM_STATUS)); |
| evergreen_mc_resume(rdev, &save); |
| return 0; |
| } |
| |
| int evergreen_asic_reset(struct radeon_device *rdev) |
| { |
| return evergreen_gpu_soft_reset(rdev); |
| } |
| |
| /* Interrupts */ |
| |
| u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc) |
| { |
| switch (crtc) { |
| case 0: |
| return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET); |
| case 1: |
| return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET); |
| case 2: |
| return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET); |
| case 3: |
| return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET); |
| case 4: |
| return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET); |
| case 5: |
| return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET); |
| default: |
| return 0; |
| } |
| } |
| |
| void evergreen_disable_interrupt_state(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| |
| WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); |
| WREG32(GRBM_INT_CNTL, 0); |
| WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); |
| WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); |
| if (rdev->num_crtc >= 4) { |
| WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); |
| WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); |
| WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); |
| } |
| |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); |
| if (rdev->num_crtc >= 4) { |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); |
| } |
| |
| WREG32(DACA_AUTODETECT_INT_CONTROL, 0); |
| WREG32(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); |
| tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD5_INT_CONTROL, tmp); |
| tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD6_INT_CONTROL, tmp); |
| |
| } |
| |
| int evergreen_irq_set(struct radeon_device *rdev) |
| { |
| u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; |
| u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0; |
| u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6; |
| u32 grbm_int_cntl = 0; |
| u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0; |
| |
| if (!rdev->irq.installed) { |
| WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); |
| return -EINVAL; |
| } |
| /* don't enable anything if the ih is disabled */ |
| if (!rdev->ih.enabled) { |
| r600_disable_interrupts(rdev); |
| /* force the active interrupt state to all disabled */ |
| evergreen_disable_interrupt_state(rdev); |
| return 0; |
| } |
| |
| 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; |
| hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; |
| hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; |
| |
| if (rdev->irq.sw_int) { |
| DRM_DEBUG("evergreen_irq_set: sw int\n"); |
| cp_int_cntl |= RB_INT_ENABLE; |
| cp_int_cntl |= TIME_STAMP_INT_ENABLE; |
| } |
| if (rdev->irq.crtc_vblank_int[0] || |
| rdev->irq.pflip[0]) { |
| DRM_DEBUG("evergreen_irq_set: vblank 0\n"); |
| crtc1 |= VBLANK_INT_MASK; |
| } |
| if (rdev->irq.crtc_vblank_int[1] || |
| rdev->irq.pflip[1]) { |
| DRM_DEBUG("evergreen_irq_set: vblank 1\n"); |
| crtc2 |= VBLANK_INT_MASK; |
| } |
| if (rdev->irq.crtc_vblank_int[2] || |
| rdev->irq.pflip[2]) { |
| DRM_DEBUG("evergreen_irq_set: vblank 2\n"); |
| crtc3 |= VBLANK_INT_MASK; |
| } |
| if (rdev->irq.crtc_vblank_int[3] || |
| rdev->irq.pflip[3]) { |
| DRM_DEBUG("evergreen_irq_set: vblank 3\n"); |
| crtc4 |= VBLANK_INT_MASK; |
| } |
| if (rdev->irq.crtc_vblank_int[4] || |
| rdev->irq.pflip[4]) { |
| DRM_DEBUG("evergreen_irq_set: vblank 4\n"); |
| crtc5 |= VBLANK_INT_MASK; |
| } |
| if (rdev->irq.crtc_vblank_int[5] || |
| rdev->irq.pflip[5]) { |
| DRM_DEBUG("evergreen_irq_set: vblank 5\n"); |
| crtc6 |= VBLANK_INT_MASK; |
| } |
| if (rdev->irq.hpd[0]) { |
| DRM_DEBUG("evergreen_irq_set: hpd 1\n"); |
| hpd1 |= DC_HPDx_INT_EN; |
| } |
| if (rdev->irq.hpd[1]) { |
| DRM_DEBUG("evergreen_irq_set: hpd 2\n"); |
| hpd2 |= DC_HPDx_INT_EN; |
| } |
| if (rdev->irq.hpd[2]) { |
| DRM_DEBUG("evergreen_irq_set: hpd 3\n"); |
| hpd3 |= DC_HPDx_INT_EN; |
| } |
| if (rdev->irq.hpd[3]) { |
| DRM_DEBUG("evergreen_irq_set: hpd 4\n"); |
| hpd4 |= DC_HPDx_INT_EN; |
| } |
| if (rdev->irq.hpd[4]) { |
| DRM_DEBUG("evergreen_irq_set: hpd 5\n"); |
| hpd5 |= DC_HPDx_INT_EN; |
| } |
| if (rdev->irq.hpd[5]) { |
| DRM_DEBUG("evergreen_irq_set: hpd 6\n"); |
| hpd6 |= DC_HPDx_INT_EN; |
| } |
| if (rdev->irq.gui_idle) { |
| DRM_DEBUG("gui idle\n"); |
| grbm_int_cntl |= GUI_IDLE_INT_ENABLE; |
| } |
| |
| WREG32(CP_INT_CNTL, cp_int_cntl); |
| WREG32(GRBM_INT_CNTL, grbm_int_cntl); |
| |
| WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1); |
| WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2); |
| if (rdev->num_crtc >= 4) { |
| WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3); |
| WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5); |
| WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6); |
| } |
| |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1); |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2); |
| if (rdev->num_crtc >= 4) { |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3); |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4); |
| } |
| if (rdev->num_crtc >= 6) { |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5); |
| WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6); |
| } |
| |
| WREG32(DC_HPD1_INT_CONTROL, hpd1); |
| WREG32(DC_HPD2_INT_CONTROL, hpd2); |
| WREG32(DC_HPD3_INT_CONTROL, hpd3); |
| WREG32(DC_HPD4_INT_CONTROL, hpd4); |
| WREG32(DC_HPD5_INT_CONTROL, hpd5); |
| WREG32(DC_HPD6_INT_CONTROL, hpd6); |
| |
| return 0; |
| } |
| |
| static void evergreen_irq_ack(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| |
| rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS); |
| rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); |
| rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2); |
| rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3); |
| rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4); |
| rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5); |
| rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET); |
| rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET); |
| if (rdev->num_crtc >= 4) { |
| rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET); |
| rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET); |
| } |
| if (rdev->num_crtc >= 6) { |
| rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET); |
| rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET); |
| } |
| |
| if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED) |
| WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); |
| if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED) |
| WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); |
| if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) |
| WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK); |
| if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) |
| WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK); |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) |
| WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK); |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) |
| WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK); |
| |
| if (rdev->num_crtc >= 4) { |
| if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED) |
| WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); |
| if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED) |
| WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) |
| WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK); |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) |
| WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK); |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) |
| WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK); |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) |
| WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK); |
| } |
| |
| if (rdev->num_crtc >= 6) { |
| if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED) |
| WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); |
| if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED) |
| WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) |
| WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK); |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) |
| WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK); |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) |
| WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK); |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) |
| WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK); |
| } |
| |
| if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) { |
| tmp = RREG32(DC_HPD1_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD1_INT_CONTROL, tmp); |
| } |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) { |
| tmp = RREG32(DC_HPD2_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD2_INT_CONTROL, tmp); |
| } |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) { |
| tmp = RREG32(DC_HPD3_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD3_INT_CONTROL, tmp); |
| } |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) { |
| tmp = RREG32(DC_HPD4_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD4_INT_CONTROL, tmp); |
| } |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) { |
| tmp = RREG32(DC_HPD5_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD5_INT_CONTROL, tmp); |
| } |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { |
| tmp = RREG32(DC_HPD5_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD6_INT_CONTROL, tmp); |
| } |
| } |
| |
| void evergreen_irq_disable(struct radeon_device *rdev) |
| { |
| r600_disable_interrupts(rdev); |
| /* Wait and acknowledge irq */ |
| mdelay(1); |
| evergreen_irq_ack(rdev); |
| evergreen_disable_interrupt_state(rdev); |
| } |
| |
| void evergreen_irq_suspend(struct radeon_device *rdev) |
| { |
| evergreen_irq_disable(rdev); |
| r600_rlc_stop(rdev); |
| } |
| |
| static u32 evergreen_get_ih_wptr(struct radeon_device *rdev) |
| { |
| u32 wptr, tmp; |
| |
| if (rdev->wb.enabled) |
| wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]); |
| else |
| wptr = RREG32(IH_RB_WPTR); |
| |
| if (wptr & RB_OVERFLOW) { |
| /* When a ring buffer overflow happen start parsing interrupt |
| * from the last not overwritten vector (wptr + 16). Hopefully |
| * this should allow us to catchup. |
| */ |
| dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n", |
| wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask); |
| rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask; |
| tmp = RREG32(IH_RB_CNTL); |
| tmp |= IH_WPTR_OVERFLOW_CLEAR; |
| WREG32(IH_RB_CNTL, tmp); |
| } |
| return (wptr & rdev->ih.ptr_mask); |
| } |
| |
| int evergreen_irq_process(struct radeon_device *rdev) |
| { |
| u32 wptr; |
| u32 rptr; |
| u32 src_id, src_data; |
| u32 ring_index; |
| unsigned long flags; |
| bool queue_hotplug = false; |
| |
| if (!rdev->ih.enabled || rdev->shutdown) |
| return IRQ_NONE; |
| |
| wptr = evergreen_get_ih_wptr(rdev); |
| rptr = rdev->ih.rptr; |
| 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; |
| } |
| restart_ih: |
| /* Order reading of wptr vs. reading of IH ring data */ |
| rmb(); |
| |
| /* display interrupts */ |
| evergreen_irq_ack(rdev); |
| |
| rdev->ih.wptr = wptr; |
| while (rptr != wptr) { |
| /* wptr/rptr are in bytes! */ |
| ring_index = rptr / 4; |
| src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff; |
| src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff; |
| |
| switch (src_id) { |
| case 1: /* D1 vblank/vline */ |
| switch (src_data) { |
| case 0: /* D1 vblank */ |
| if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) { |
| if (rdev->irq.crtc_vblank_int[0]) { |
| drm_handle_vblank(rdev->ddev, 0); |
| rdev->pm.vblank_sync = true; |
| wake_up(&rdev->irq.vblank_queue); |
| } |
| if (rdev->irq.pflip[0]) |
| radeon_crtc_handle_flip(rdev, 0); |
| rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT; |
| DRM_DEBUG("IH: D1 vblank\n"); |
| } |
| break; |
| case 1: /* D1 vline */ |
| if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT; |
| DRM_DEBUG("IH: D1 vline\n"); |
| } |
| break; |
| default: |
| DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); |
| break; |
| } |
| break; |
| case 2: /* D2 vblank/vline */ |
| switch (src_data) { |
| case 0: /* D2 vblank */ |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) { |
| if (rdev->irq.crtc_vblank_int[1]) { |
| drm_handle_vblank(rdev->ddev, 1); |
| rdev->pm.vblank_sync = true; |
| wake_up(&rdev->irq.vblank_queue); |
| } |
| if (rdev->irq.pflip[1]) |
| radeon_crtc_handle_flip(rdev, 1); |
| rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; |
| DRM_DEBUG("IH: D2 vblank\n"); |
| } |
| break; |
| case 1: /* D2 vline */ |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT; |
| DRM_DEBUG("IH: D2 vline\n"); |
| } |
| break; |
| default: |
| DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); |
| break; |
| } |
| break; |
| case 3: /* D3 vblank/vline */ |
| switch (src_data) { |
| case 0: /* D3 vblank */ |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) { |
| if (rdev->irq.crtc_vblank_int[2]) { |
| drm_handle_vblank(rdev->ddev, 2); |
| rdev->pm.vblank_sync = true; |
| wake_up(&rdev->irq.vblank_queue); |
| } |
| if (rdev->irq.pflip[2]) |
| radeon_crtc_handle_flip(rdev, 2); |
| rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; |
| DRM_DEBUG("IH: D3 vblank\n"); |
| } |
| break; |
| case 1: /* D3 vline */ |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT; |
| DRM_DEBUG("IH: D3 vline\n"); |
| } |
| break; |
| default: |
| DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); |
| break; |
| } |
| break; |
| case 4: /* D4 vblank/vline */ |
| switch (src_data) { |
| case 0: /* D4 vblank */ |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) { |
| if (rdev->irq.crtc_vblank_int[3]) { |
| drm_handle_vblank(rdev->ddev, 3); |
| rdev->pm.vblank_sync = true; |
| wake_up(&rdev->irq.vblank_queue); |
| } |
| if (rdev->irq.pflip[3]) |
| radeon_crtc_handle_flip(rdev, 3); |
| rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; |
| DRM_DEBUG("IH: D4 vblank\n"); |
| } |
| break; |
| case 1: /* D4 vline */ |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT; |
| DRM_DEBUG("IH: D4 vline\n"); |
| } |
| break; |
| default: |
| DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); |
| break; |
| } |
| break; |
| case 5: /* D5 vblank/vline */ |
| switch (src_data) { |
| case 0: /* D5 vblank */ |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) { |
| if (rdev->irq.crtc_vblank_int[4]) { |
| drm_handle_vblank(rdev->ddev, 4); |
| rdev->pm.vblank_sync = true; |
| wake_up(&rdev->irq.vblank_queue); |
| } |
| if (rdev->irq.pflip[4]) |
| radeon_crtc_handle_flip(rdev, 4); |
| rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; |
| DRM_DEBUG("IH: D5 vblank\n"); |
| } |
| break; |
| case 1: /* D5 vline */ |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT; |
| DRM_DEBUG("IH: D5 vline\n"); |
| } |
| break; |
| default: |
| DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); |
| break; |
| } |
| break; |
| case 6: /* D6 vblank/vline */ |
| switch (src_data) { |
| case 0: /* D6 vblank */ |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) { |
| if (rdev->irq.crtc_vblank_int[5]) { |
| drm_handle_vblank(rdev->ddev, 5); |
| rdev->pm.vblank_sync = true; |
| wake_up(&rdev->irq.vblank_queue); |
| } |
| if (rdev->irq.pflip[5]) |
| radeon_crtc_handle_flip(rdev, 5); |
| rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; |
| DRM_DEBUG("IH: D6 vblank\n"); |
| } |
| break; |
| case 1: /* D6 vline */ |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT; |
| DRM_DEBUG("IH: D6 vline\n"); |
| } |
| break; |
| default: |
| DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); |
| break; |
| } |
| break; |
| case 42: /* HPD hotplug */ |
| switch (src_data) { |
| case 0: |
| if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD1\n"); |
| } |
| break; |
| case 1: |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD2\n"); |
| } |
| break; |
| case 2: |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD3\n"); |
| } |
| break; |
| case 3: |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD4\n"); |
| } |
| break; |
| case 4: |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD5\n"); |
| } |
| break; |
| case 5: |
| if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { |
| rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD6\n"); |
| } |
| break; |
| default: |
| DRM_DEBUG("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"); |
| radeon_fence_process(rdev); |
| break; |
| case 233: /* GUI IDLE */ |
| DRM_DEBUG("IH: GUI idle\n"); |
| rdev->pm.gui_idle = true; |
| wake_up(&rdev->irq.idle_queue); |
| break; |
| default: |
| DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); |
| break; |
| } |
| |
| /* wptr/rptr are in bytes! */ |
| rptr += 16; |
| rptr &= rdev->ih.ptr_mask; |
| } |
| /* make sure wptr hasn't changed while processing */ |
| wptr = evergreen_get_ih_wptr(rdev); |
| if (wptr != rdev->ih.wptr) |
| goto restart_ih; |
| if (queue_hotplug) |
| schedule_work(&rdev->hotplug_work); |
| rdev->ih.rptr = rptr; |
| WREG32(IH_RB_RPTR, rdev->ih.rptr); |
| spin_unlock_irqrestore(&rdev->ih.lock, flags); |
| return IRQ_HANDLED; |
| } |
| |
| static int evergreen_startup(struct radeon_device *rdev) |
| { |
| int r; |
| |
| /* enable pcie gen2 link */ |
| evergreen_pcie_gen2_enable(rdev); |
| |
| if (ASIC_IS_DCE5(rdev)) { |
| if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) { |
| r = ni_init_microcode(rdev); |
| if (r) { |
| DRM_ERROR("Failed to load firmware!\n"); |
| return r; |
| } |
| } |
| r = ni_mc_load_microcode(rdev); |
| if (r) { |
| DRM_ERROR("Failed to load MC firmware!\n"); |
| return r; |
| } |
| } else { |
| 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; |
| } |
| } |
| } |
| |
| evergreen_mc_program(rdev); |
| if (rdev->flags & RADEON_IS_AGP) { |
| evergreen_agp_enable(rdev); |
| } else { |
| r = evergreen_pcie_gart_enable(rdev); |
| if (r) |
| return r; |
| } |
| evergreen_gpu_init(rdev); |
| |
| r = evergreen_blit_init(rdev); |
| if (r) { |
| evergreen_blit_fini(rdev); |
| rdev->asic->copy = NULL; |
| dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); |
| } |
| |
| /* allocate wb buffer */ |
| r = radeon_wb_init(rdev); |
| if (r) |
| return r; |
| |
| /* Enable IRQ */ |
| r = r600_irq_init(rdev); |
| if (r) { |
| DRM_ERROR("radeon: IH init failed (%d).\n", r); |
| radeon_irq_kms_fini(rdev); |
| return r; |
| } |
| evergreen_irq_set(rdev); |
| |
| r = radeon_ring_init(rdev, rdev->cp.ring_size); |
| if (r) |
| return r; |
| r = evergreen_cp_load_microcode(rdev); |
| if (r) |
| return r; |
| r = evergreen_cp_resume(rdev); |
| if (r) |
| return r; |
| |
| return 0; |
| } |
| |
| int evergreen_resume(struct radeon_device *rdev) |
| { |
| int r; |
| |
| /* reset the asic, the gfx blocks are often in a bad state |
| * after the driver is unloaded or after a resume |
| */ |
| if (radeon_asic_reset(rdev)) |
| dev_warn(rdev->dev, "GPU reset failed !\n"); |
| /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw, |
| * posting will perform necessary task to bring back GPU into good |
| * shape. |
| */ |
| /* post card */ |
| atom_asic_init(rdev->mode_info.atom_context); |
| |
| r = evergreen_startup(rdev); |
| if (r) { |
| DRM_ERROR("evergreen startup failed on resume\n"); |
| return r; |
| } |
| |
| r = r600_ib_test(rdev); |
| if (r) { |
| DRM_ERROR("radeon: failed testing IB (%d).\n", r); |
| return r; |
| } |
| |
| return r; |
| |
| } |
| |
| int evergreen_suspend(struct radeon_device *rdev) |
| { |
| int r; |
| |
| /* FIXME: we should wait for ring to be empty */ |
| r700_cp_stop(rdev); |
| rdev->cp.ready = false; |
| evergreen_irq_suspend(rdev); |
| radeon_wb_disable(rdev); |
| evergreen_pcie_gart_disable(rdev); |
| |
| /* unpin shaders bo */ |
| r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); |
| if (likely(r == 0)) { |
| radeon_bo_unpin(rdev->r600_blit.shader_obj); |
| radeon_bo_unreserve(rdev->r600_blit.shader_obj); |
| } |
| |
| return 0; |
| } |
| |
| int evergreen_copy_blit(struct radeon_device *rdev, |
| uint64_t src_offset, uint64_t dst_offset, |
| unsigned num_pages, struct radeon_fence *fence) |
| { |
| int r; |
| |
| mutex_lock(&rdev->r600_blit.mutex); |
| rdev->r600_blit.vb_ib = NULL; |
| r = evergreen_blit_prepare_copy(rdev, num_pages); |
| if (r) { |
| if (rdev->r600_blit.vb_ib) |
| radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); |
| mutex_unlock(&rdev->r600_blit.mutex); |
| return r; |
| } |
| evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages); |
| evergreen_blit_done_copy(rdev, fence); |
| mutex_unlock(&rdev->r600_blit.mutex); |
| return 0; |
| } |
| |
| /* Plan is to move initialization in that function and use |
| * helper function so that radeon_device_init pretty much |
| * do nothing more than calling asic specific function. This |
| * should also allow to remove a bunch of callback function |
| * like vram_info. |
| */ |
| int evergreen_init(struct radeon_device *rdev) |
| { |
| int r; |
| |
| /* This don't do much */ |
| r = radeon_gem_init(rdev); |
| if (r) |
| return r; |
| /* Read BIOS */ |
| if (!radeon_get_bios(rdev)) { |
| if (ASIC_IS_AVIVO(rdev)) |
| return -EINVAL; |
| } |
| /* Must be an ATOMBIOS */ |
| if (!rdev->is_atom_bios) { |
| dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n"); |
| return -EINVAL; |
| } |
| r = radeon_atombios_init(rdev); |
| if (r) |
| return r; |
| /* reset the asic, the gfx blocks are often in a bad state |
| * after the driver is unloaded or after a resume |
| */ |
| if (radeon_asic_reset(rdev)) |
| dev_warn(rdev->dev, "GPU reset failed !\n"); |
| /* Post card if necessary */ |
| if (!radeon_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); |
| } |
| /* Initialize scratch registers */ |
| r600_scratch_init(rdev); |
| /* Initialize surface registers */ |
| radeon_surface_init(rdev); |
| /* Initialize clocks */ |
| radeon_get_clock_info(rdev->ddev); |
| /* Fence driver */ |
| r = radeon_fence_driver_init(rdev); |
| if (r) |
| return r; |
| /* initialize AGP */ |
| if (rdev->flags & RADEON_IS_AGP) { |
| r = radeon_agp_init(rdev); |
| if (r) |
| radeon_agp_disable(rdev); |
| } |
| /* initialize memory controller */ |
| r = evergreen_mc_init(rdev); |
| if (r) |
| return r; |
| /* Memory manager */ |
| 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); |
| |
| 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 = evergreen_startup(rdev); |
| if (r) { |
| dev_err(rdev->dev, "disabling GPU acceleration\n"); |
| r700_cp_fini(rdev); |
| r600_irq_fini(rdev); |
| radeon_wb_fini(rdev); |
| radeon_irq_kms_fini(rdev); |
| evergreen_pcie_gart_fini(rdev); |
| rdev->accel_working = false; |
| } |
| if (rdev->accel_working) { |
| r = radeon_ib_pool_init(rdev); |
| if (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: failed testing IB (%d).\n", r); |
| rdev->accel_working = false; |
| } |
| } |
| return 0; |
| } |
| |
| void evergreen_fini(struct radeon_device *rdev) |
| { |
| evergreen_blit_fini(rdev); |
| r700_cp_fini(rdev); |
| r600_irq_fini(rdev); |
| radeon_wb_fini(rdev); |
| radeon_ib_pool_fini(rdev); |
| radeon_irq_kms_fini(rdev); |
| evergreen_pcie_gart_fini(rdev); |
| radeon_gem_fini(rdev); |
| radeon_fence_driver_fini(rdev); |
| radeon_agp_fini(rdev); |
| radeon_bo_fini(rdev); |
| radeon_atombios_fini(rdev); |
| kfree(rdev->bios); |
| rdev->bios = NULL; |
| } |
| |
| void evergreen_pcie_gen2_enable(struct radeon_device *rdev) |
| { |
| u32 link_width_cntl, speed_cntl; |
| |
| if (radeon_pcie_gen2 == 0) |
| return; |
| |
| if (rdev->flags & RADEON_IS_IGP) |
| return; |
| |
| if (!(rdev->flags & RADEON_IS_PCIE)) |
| return; |
| |
| /* x2 cards have a special sequence */ |
| if (ASIC_IS_X2(rdev)) |
| return; |
| |
| speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); |
| if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) || |
| (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { |
| |
| link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); |
| link_width_cntl &= ~LC_UPCONFIGURE_DIS; |
| WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); |
| |
| speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); |
| speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; |
| WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); |
| |
| speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); |
| speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT; |
| WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); |
| |
| speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); |
| speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT; |
| WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); |
| |
| speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); |
| speed_cntl |= LC_GEN2_EN_STRAP; |
| WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); |
| |
| } else { |
| link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); |
| /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ |
| if (1) |
| link_width_cntl |= LC_UPCONFIGURE_DIS; |
| else |
| link_width_cntl &= ~LC_UPCONFIGURE_DIS; |
| WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); |
| } |
| } |