/*
* 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);
rdev->cp.wptr = 0;
WREG32(CP_RB_WPTR, rdev->cp.wptr);
/* 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);
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_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);
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) {
r600_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)
{
/* 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);
r600_blit_suspend(rdev);
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)
{
r600_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);
}
}
