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linux_dsm_epyc7002/drivers/gpu/drm/amd/amdgpu/vi.c
Dave Airlie 9f443bf53b Merge branch 'drm-next-4.6' of git://people.freedesktop.org/~agd5f/linux into drm-next 
A few more fixes and cleanups for 4.6:
- DCE code cleanups
- HDP flush/invalidation fixes
- GPUVM fixes
- switch to drm_vblank_[on|off]
- PX fixes
- misc bug fixes

* 'drm-next-4.6' of git://people.freedesktop.org/~agd5f/linux: (50 commits)
  drm/amdgpu: split pipeline sync out of SDMA vm_flush() as well
  drm/amdgpu: Revert "add mutex for ba_va->valids/invalids"
  drm/amdgpu: Revert "add lock for interval tree in vm"
  drm/amdgpu: Revert "add spin lock to protect freed list in vm (v3)"
  drm/amdgpu: reserve the PD during unmap and remove
  drm/amdgpu: Fix two bugs in amdgpu_vm_bo_split_mapping
  drm/radeon: Don't drop DP 2.7 Ghz link setup on some cards.
  MAINTAINERS: update radeon entry to include amdgpu as well
  drm/amdgpu: disable runtime pm on PX laptops without dGPU power control
  drm/radeon: disable runtime pm on PX laptops without dGPU power control
  drm/amd/amdgpu: Fix indentation in do_set_base() (DCEv8)
  drm/amd/amdgpu: make afmt_init cleanup if alloc fails (DCEv8)
  drm/amd/amdgpu: Move config init flag to bottom of sw_init (DCEv8)
  drm/amd/amdgpu: Don't proceed into audio_fini if audio is disabled (DCEv8)
  drm/amd/amdgpu: Fix identation in do_set_base() (DCEv10)
  drm/amd/amdgpu: Make afmt_init cleanup if alloc fails (DCEv10)
  drm/amd/amdgpu: Move initialized flag to bottom of sw_init (DCEv10)
  drm/amd/amdgpu: Don't proceed in audio_fini if disabled (DCEv10)
  drm/amd/amdgpu: Fix indentation in dce_v11_0_crtc_do_set_base()
  drm/amd/amdgpu: Make afmt_init() cleanup if alloc fails (DCEv11)
  ...
2016-03-17 08:25:04 +10:00

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/*
* Copyright 2014 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.
*
*/
#include <linux/firmware.h>
#include <linux/slab.h>
#include <linux/module.h>
#include "drmP.h"
#include "amdgpu.h"
#include "amdgpu_atombios.h"
#include "amdgpu_ih.h"
#include "amdgpu_uvd.h"
#include "amdgpu_vce.h"
#include "amdgpu_ucode.h"
#include "atom.h"
#include "amd_pcie.h"
#include "gmc/gmc_8_1_d.h"
#include "gmc/gmc_8_1_sh_mask.h"
#include "oss/oss_3_0_d.h"
#include "oss/oss_3_0_sh_mask.h"
#include "bif/bif_5_0_d.h"
#include "bif/bif_5_0_sh_mask.h"
#include "gca/gfx_8_0_d.h"
#include "gca/gfx_8_0_sh_mask.h"
#include "smu/smu_7_1_1_d.h"
#include "smu/smu_7_1_1_sh_mask.h"
#include "uvd/uvd_5_0_d.h"
#include "uvd/uvd_5_0_sh_mask.h"
#include "vce/vce_3_0_d.h"
#include "vce/vce_3_0_sh_mask.h"
#include "dce/dce_10_0_d.h"
#include "dce/dce_10_0_sh_mask.h"
#include "vid.h"
#include "vi.h"
#include "vi_dpm.h"
#include "gmc_v8_0.h"
#include "gmc_v7_0.h"
#include "gfx_v8_0.h"
#include "sdma_v2_4.h"
#include "sdma_v3_0.h"
#include "dce_v10_0.h"
#include "dce_v11_0.h"
#include "iceland_ih.h"
#include "tonga_ih.h"
#include "cz_ih.h"
#include "uvd_v5_0.h"
#include "uvd_v6_0.h"
#include "vce_v3_0.h"
#include "amdgpu_powerplay.h"
#if defined(CONFIG_DRM_AMD_ACP)
#include "amdgpu_acp.h"
#endif
/*
* Indirect registers accessor
*/
static u32 vi_pcie_rreg(struct amdgpu_device *adev, u32 reg)
{
unsigned long flags;
u32 r;
spin_lock_irqsave(&adev->pcie_idx_lock, flags);
WREG32(mmPCIE_INDEX, reg);
(void)RREG32(mmPCIE_INDEX);
r = RREG32(mmPCIE_DATA);
spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
return r;
}
static void vi_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
{
unsigned long flags;
spin_lock_irqsave(&adev->pcie_idx_lock, flags);
WREG32(mmPCIE_INDEX, reg);
(void)RREG32(mmPCIE_INDEX);
WREG32(mmPCIE_DATA, v);
(void)RREG32(mmPCIE_DATA);
spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
}
static u32 vi_smc_rreg(struct amdgpu_device *adev, u32 reg)
{
unsigned long flags;
u32 r;
spin_lock_irqsave(&adev->smc_idx_lock, flags);
WREG32(mmSMC_IND_INDEX_0, (reg));
r = RREG32(mmSMC_IND_DATA_0);
spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
return r;
}
static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
{
unsigned long flags;
spin_lock_irqsave(&adev->smc_idx_lock, flags);
WREG32(mmSMC_IND_INDEX_0, (reg));
WREG32(mmSMC_IND_DATA_0, (v));
spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
}
/* smu_8_0_d.h */
#define mmMP0PUB_IND_INDEX 0x180
#define mmMP0PUB_IND_DATA 0x181
static u32 cz_smc_rreg(struct amdgpu_device *adev, u32 reg)
{
unsigned long flags;
u32 r;
spin_lock_irqsave(&adev->smc_idx_lock, flags);
WREG32(mmMP0PUB_IND_INDEX, (reg));
r = RREG32(mmMP0PUB_IND_DATA);
spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
return r;
}
static void cz_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
{
unsigned long flags;
spin_lock_irqsave(&adev->smc_idx_lock, flags);
WREG32(mmMP0PUB_IND_INDEX, (reg));
WREG32(mmMP0PUB_IND_DATA, (v));
spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
}
static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
{
unsigned long flags;
u32 r;
spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
r = RREG32(mmUVD_CTX_DATA);
spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
return r;
}
static void vi_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
{
unsigned long flags;
spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
WREG32(mmUVD_CTX_DATA, (v));
spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
}
static u32 vi_didt_rreg(struct amdgpu_device *adev, u32 reg)
{
unsigned long flags;
u32 r;
spin_lock_irqsave(&adev->didt_idx_lock, flags);
WREG32(mmDIDT_IND_INDEX, (reg));
r = RREG32(mmDIDT_IND_DATA);
spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
return r;
}
static void vi_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
{
unsigned long flags;
spin_lock_irqsave(&adev->didt_idx_lock, flags);
WREG32(mmDIDT_IND_INDEX, (reg));
WREG32(mmDIDT_IND_DATA, (v));
spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
}
static const u32 tonga_mgcg_cgcg_init[] =
{
mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
mmPCIE_INDEX, 0xffffffff, 0x0140001c,
mmPCIE_DATA, 0x000f0000, 0x00000000,
mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
};
static const u32 fiji_mgcg_cgcg_init[] =
{
mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
mmPCIE_INDEX, 0xffffffff, 0x0140001c,
mmPCIE_DATA, 0x000f0000, 0x00000000,
mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
};
static const u32 iceland_mgcg_cgcg_init[] =
{
mmPCIE_INDEX, 0xffffffff, ixPCIE_CNTL2,
mmPCIE_DATA, 0x000f0000, 0x00000000,
mmSMC_IND_INDEX_4, 0xffffffff, ixCGTT_ROM_CLK_CTRL0,
mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
};
static const u32 cz_mgcg_cgcg_init[] =
{
mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
mmPCIE_INDEX, 0xffffffff, 0x0140001c,
mmPCIE_DATA, 0x000f0000, 0x00000000,
mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
};
static const u32 stoney_mgcg_cgcg_init[] =
{
mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00000100,
mmHDP_XDP_CGTT_BLK_CTRL, 0xffffffff, 0x00000104,
mmHDP_HOST_PATH_CNTL, 0xffffffff, 0x0f000027,
};
static void vi_init_golden_registers(struct amdgpu_device *adev)
{
/* Some of the registers might be dependent on GRBM_GFX_INDEX */
mutex_lock(&adev->grbm_idx_mutex);
switch (adev->asic_type) {
case CHIP_TOPAZ:
amdgpu_program_register_sequence(adev,
iceland_mgcg_cgcg_init,
(const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init));
break;
case CHIP_FIJI:
amdgpu_program_register_sequence(adev,
fiji_mgcg_cgcg_init,
(const u32)ARRAY_SIZE(fiji_mgcg_cgcg_init));
break;
case CHIP_TONGA:
amdgpu_program_register_sequence(adev,
tonga_mgcg_cgcg_init,
(const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init));
break;
case CHIP_CARRIZO:
amdgpu_program_register_sequence(adev,
cz_mgcg_cgcg_init,
(const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
break;
case CHIP_STONEY:
amdgpu_program_register_sequence(adev,
stoney_mgcg_cgcg_init,
(const u32)ARRAY_SIZE(stoney_mgcg_cgcg_init));
break;
default:
break;
}
mutex_unlock(&adev->grbm_idx_mutex);
}
/**
* vi_get_xclk - get the xclk
*
* @adev: amdgpu_device pointer
*
* Returns the reference clock used by the gfx engine
* (VI).
*/
static u32 vi_get_xclk(struct amdgpu_device *adev)
{
u32 reference_clock = adev->clock.spll.reference_freq;
u32 tmp;
if (adev->flags & AMD_IS_APU)
return reference_clock;
tmp = RREG32_SMC(ixCG_CLKPIN_CNTL_2);
if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK))
return 1000;
tmp = RREG32_SMC(ixCG_CLKPIN_CNTL);
if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL, XTALIN_DIVIDE))
return reference_clock / 4;
return reference_clock;
}
/**
* vi_srbm_select - select specific register instances
*
* @adev: amdgpu_device pointer
* @me: selected ME (micro engine)
* @pipe: pipe
* @queue: queue
* @vmid: VMID
*
* Switches the currently active registers instances. Some
* registers are instanced per VMID, others are instanced per
* me/pipe/queue combination.
*/
void vi_srbm_select(struct amdgpu_device *adev,
u32 me, u32 pipe, u32 queue, u32 vmid)
{
u32 srbm_gfx_cntl = 0;
srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, PIPEID, pipe);
srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, MEID, me);
srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, VMID, vmid);
srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, QUEUEID, queue);
WREG32(mmSRBM_GFX_CNTL, srbm_gfx_cntl);
}
static void vi_vga_set_state(struct amdgpu_device *adev, bool state)
{
/* todo */
}
static bool vi_read_disabled_bios(struct amdgpu_device *adev)
{
u32 bus_cntl;
u32 d1vga_control = 0;
u32 d2vga_control = 0;
u32 vga_render_control = 0;
u32 rom_cntl;
bool r;
bus_cntl = RREG32(mmBUS_CNTL);
if (adev->mode_info.num_crtc) {
d1vga_control = RREG32(mmD1VGA_CONTROL);
d2vga_control = RREG32(mmD2VGA_CONTROL);
vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
}
rom_cntl = RREG32_SMC(ixROM_CNTL);
/* enable the rom */
WREG32(mmBUS_CNTL, (bus_cntl & ~BUS_CNTL__BIOS_ROM_DIS_MASK));
if (adev->mode_info.num_crtc) {
/* Disable VGA mode */
WREG32(mmD1VGA_CONTROL,
(d1vga_control & ~(D1VGA_CONTROL__D1VGA_MODE_ENABLE_MASK |
D1VGA_CONTROL__D1VGA_TIMING_SELECT_MASK)));
WREG32(mmD2VGA_CONTROL,
(d2vga_control & ~(D2VGA_CONTROL__D2VGA_MODE_ENABLE_MASK |
D2VGA_CONTROL__D2VGA_TIMING_SELECT_MASK)));
WREG32(mmVGA_RENDER_CONTROL,
(vga_render_control & ~VGA_RENDER_CONTROL__VGA_VSTATUS_CNTL_MASK));
}
WREG32_SMC(ixROM_CNTL, rom_cntl | ROM_CNTL__SCK_OVERWRITE_MASK);
r = amdgpu_read_bios(adev);
/* restore regs */
WREG32(mmBUS_CNTL, bus_cntl);
if (adev->mode_info.num_crtc) {
WREG32(mmD1VGA_CONTROL, d1vga_control);
WREG32(mmD2VGA_CONTROL, d2vga_control);
WREG32(mmVGA_RENDER_CONTROL, vga_render_control);
}
WREG32_SMC(ixROM_CNTL, rom_cntl);
return r;
}
static bool vi_read_bios_from_rom(struct amdgpu_device *adev,
u8 *bios, u32 length_bytes)
{
u32 *dw_ptr;
unsigned long flags;
u32 i, length_dw;
if (bios == NULL)
return false;
if (length_bytes == 0)
return false;
/* APU vbios image is part of sbios image */
if (adev->flags & AMD_IS_APU)
return false;
dw_ptr = (u32 *)bios;
length_dw = ALIGN(length_bytes, 4) / 4;
/* take the smc lock since we are using the smc index */
spin_lock_irqsave(&adev->smc_idx_lock, flags);
/* set rom index to 0 */
WREG32(mmSMC_IND_INDEX_0, ixROM_INDEX);
WREG32(mmSMC_IND_DATA_0, 0);
/* set index to data for continous read */
WREG32(mmSMC_IND_INDEX_0, ixROM_DATA);
for (i = 0; i < length_dw; i++)
dw_ptr[i] = RREG32(mmSMC_IND_DATA_0);
spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
return true;
}
static struct amdgpu_allowed_register_entry tonga_allowed_read_registers[] = {
{mmGB_MACROTILE_MODE7, true},
};
static struct amdgpu_allowed_register_entry cz_allowed_read_registers[] = {
{mmGB_TILE_MODE7, true},
{mmGB_TILE_MODE12, true},
{mmGB_TILE_MODE17, true},
{mmGB_TILE_MODE23, true},
{mmGB_MACROTILE_MODE7, true},
};
static struct amdgpu_allowed_register_entry vi_allowed_read_registers[] = {
{mmGRBM_STATUS, false},
{mmGRBM_STATUS2, false},
{mmGRBM_STATUS_SE0, false},
{mmGRBM_STATUS_SE1, false},
{mmGRBM_STATUS_SE2, false},
{mmGRBM_STATUS_SE3, false},
{mmSRBM_STATUS, false},
{mmSRBM_STATUS2, false},
{mmSRBM_STATUS3, false},
{mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET, false},
{mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET, false},
{mmCP_STAT, false},
{mmCP_STALLED_STAT1, false},
{mmCP_STALLED_STAT2, false},
{mmCP_STALLED_STAT3, false},
{mmCP_CPF_BUSY_STAT, false},
{mmCP_CPF_STALLED_STAT1, false},
{mmCP_CPF_STATUS, false},
{mmCP_CPC_BUSY_STAT, false},
{mmCP_CPC_STALLED_STAT1, false},
{mmCP_CPC_STATUS, false},
{mmGB_ADDR_CONFIG, false},
{mmMC_ARB_RAMCFG, false},
{mmGB_TILE_MODE0, false},
{mmGB_TILE_MODE1, false},
{mmGB_TILE_MODE2, false},
{mmGB_TILE_MODE3, false},
{mmGB_TILE_MODE4, false},
{mmGB_TILE_MODE5, false},
{mmGB_TILE_MODE6, false},
{mmGB_TILE_MODE7, false},
{mmGB_TILE_MODE8, false},
{mmGB_TILE_MODE9, false},
{mmGB_TILE_MODE10, false},
{mmGB_TILE_MODE11, false},
{mmGB_TILE_MODE12, false},
{mmGB_TILE_MODE13, false},
{mmGB_TILE_MODE14, false},
{mmGB_TILE_MODE15, false},
{mmGB_TILE_MODE16, false},
{mmGB_TILE_MODE17, false},
{mmGB_TILE_MODE18, false},
{mmGB_TILE_MODE19, false},
{mmGB_TILE_MODE20, false},
{mmGB_TILE_MODE21, false},
{mmGB_TILE_MODE22, false},
{mmGB_TILE_MODE23, false},
{mmGB_TILE_MODE24, false},
{mmGB_TILE_MODE25, false},
{mmGB_TILE_MODE26, false},
{mmGB_TILE_MODE27, false},
{mmGB_TILE_MODE28, false},
{mmGB_TILE_MODE29, false},
{mmGB_TILE_MODE30, false},
{mmGB_TILE_MODE31, false},
{mmGB_MACROTILE_MODE0, false},
{mmGB_MACROTILE_MODE1, false},
{mmGB_MACROTILE_MODE2, false},
{mmGB_MACROTILE_MODE3, false},
{mmGB_MACROTILE_MODE4, false},
{mmGB_MACROTILE_MODE5, false},
{mmGB_MACROTILE_MODE6, false},
{mmGB_MACROTILE_MODE7, false},
{mmGB_MACROTILE_MODE8, false},
{mmGB_MACROTILE_MODE9, false},
{mmGB_MACROTILE_MODE10, false},
{mmGB_MACROTILE_MODE11, false},
{mmGB_MACROTILE_MODE12, false},
{mmGB_MACROTILE_MODE13, false},
{mmGB_MACROTILE_MODE14, false},
{mmGB_MACROTILE_MODE15, false},
{mmCC_RB_BACKEND_DISABLE, false, true},
{mmGC_USER_RB_BACKEND_DISABLE, false, true},
{mmGB_BACKEND_MAP, false, false},
{mmPA_SC_RASTER_CONFIG, false, true},
{mmPA_SC_RASTER_CONFIG_1, false, true},
};
static uint32_t vi_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
u32 sh_num, u32 reg_offset)
{
uint32_t val;
mutex_lock(&adev->grbm_idx_mutex);
if (se_num != 0xffffffff || sh_num != 0xffffffff)
gfx_v8_0_select_se_sh(adev, se_num, sh_num);
val = RREG32(reg_offset);
if (se_num != 0xffffffff || sh_num != 0xffffffff)
gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff);
mutex_unlock(&adev->grbm_idx_mutex);
return val;
}
static int vi_read_register(struct amdgpu_device *adev, u32 se_num,
u32 sh_num, u32 reg_offset, u32 *value)
{
struct amdgpu_allowed_register_entry *asic_register_table = NULL;
struct amdgpu_allowed_register_entry *asic_register_entry;
uint32_t size, i;
*value = 0;
switch (adev->asic_type) {
case CHIP_TOPAZ:
asic_register_table = tonga_allowed_read_registers;
size = ARRAY_SIZE(tonga_allowed_read_registers);
break;
case CHIP_FIJI:
case CHIP_TONGA:
case CHIP_CARRIZO:
case CHIP_STONEY:
asic_register_table = cz_allowed_read_registers;
size = ARRAY_SIZE(cz_allowed_read_registers);
break;
default:
return -EINVAL;
}
if (asic_register_table) {
for (i = 0; i < size; i++) {
asic_register_entry = asic_register_table + i;
if (reg_offset != asic_register_entry->reg_offset)
continue;
if (!asic_register_entry->untouched)
*value = asic_register_entry->grbm_indexed ?
vi_read_indexed_register(adev, se_num,
sh_num, reg_offset) :
RREG32(reg_offset);
return 0;
}
}
for (i = 0; i < ARRAY_SIZE(vi_allowed_read_registers); i++) {
if (reg_offset != vi_allowed_read_registers[i].reg_offset)
continue;
if (!vi_allowed_read_registers[i].untouched)
*value = vi_allowed_read_registers[i].grbm_indexed ?
vi_read_indexed_register(adev, se_num,
sh_num, reg_offset) :
RREG32(reg_offset);
return 0;
}
return -EINVAL;
}
static void vi_gpu_pci_config_reset(struct amdgpu_device *adev)
{
u32 i;
dev_info(adev->dev, "GPU pci config reset\n");
/* disable BM */
pci_clear_master(adev->pdev);
/* reset */
amdgpu_pci_config_reset(adev);
udelay(100);
/* wait for asic to come out of reset */
for (i = 0; i < adev->usec_timeout; i++) {
if (RREG32(mmCONFIG_MEMSIZE) != 0xffffffff)
break;
udelay(1);
}
}
static void vi_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hung)
{
u32 tmp = RREG32(mmBIOS_SCRATCH_3);
if (hung)
tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
else
tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
WREG32(mmBIOS_SCRATCH_3, tmp);
}
/**
* vi_asic_reset - soft reset GPU
*
* @adev: amdgpu_device pointer
*
* Look up which blocks are hung and attempt
* to reset them.
* Returns 0 for success.
*/
static int vi_asic_reset(struct amdgpu_device *adev)
{
vi_set_bios_scratch_engine_hung(adev, true);
vi_gpu_pci_config_reset(adev);
vi_set_bios_scratch_engine_hung(adev, false);
return 0;
}
static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
u32 cntl_reg, u32 status_reg)
{
int r, i;
struct atom_clock_dividers dividers;
uint32_t tmp;
r = amdgpu_atombios_get_clock_dividers(adev,
COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
clock, false, &dividers);
if (r)
return r;
tmp = RREG32_SMC(cntl_reg);
tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK |
CG_DCLK_CNTL__DCLK_DIVIDER_MASK);
tmp |= dividers.post_divider;
WREG32_SMC(cntl_reg, tmp);
for (i = 0; i < 100; i++) {
if (RREG32_SMC(status_reg) & CG_DCLK_STATUS__DCLK_STATUS_MASK)
break;
mdelay(10);
}
if (i == 100)
return -ETIMEDOUT;
return 0;
}
static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
{
int r;
r = vi_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
if (r)
return r;
r = vi_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
return 0;
}
static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
{
/* todo */
return 0;
}
static void vi_pcie_gen3_enable(struct amdgpu_device *adev)
{
if (pci_is_root_bus(adev->pdev->bus))
return;
if (amdgpu_pcie_gen2 == 0)
return;
if (adev->flags & AMD_IS_APU)
return;
if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
return;
/* todo */
}
static void vi_program_aspm(struct amdgpu_device *adev)
{
if (amdgpu_aspm == 0)
return;
/* todo */
}
static void vi_enable_doorbell_aperture(struct amdgpu_device *adev,
bool enable)
{
u32 tmp;
/* not necessary on CZ */
if (adev->flags & AMD_IS_APU)
return;
tmp = RREG32(mmBIF_DOORBELL_APER_EN);
if (enable)
tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 1);
else
tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 0);
WREG32(mmBIF_DOORBELL_APER_EN, tmp);
}
/* topaz has no DCE, UVD, VCE */
static const struct amdgpu_ip_block_version topaz_ip_blocks[] =
{
/* ORDER MATTERS! */
{
.type = AMD_IP_BLOCK_TYPE_COMMON,
.major = 2,
.minor = 0,
.rev = 0,
.funcs = &vi_common_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_GMC,
.major = 7,
.minor = 4,
.rev = 0,
.funcs = &gmc_v7_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_IH,
.major = 2,
.minor = 4,
.rev = 0,
.funcs = &iceland_ih_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_SMC,
.major = 7,
.minor = 1,
.rev = 0,
.funcs = &amdgpu_pp_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_GFX,
.major = 8,
.minor = 0,
.rev = 0,
.funcs = &gfx_v8_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_SDMA,
.major = 2,
.minor = 4,
.rev = 0,
.funcs = &sdma_v2_4_ip_funcs,
},
};
static const struct amdgpu_ip_block_version tonga_ip_blocks[] =
{
/* ORDER MATTERS! */
{
.type = AMD_IP_BLOCK_TYPE_COMMON,
.major = 2,
.minor = 0,
.rev = 0,
.funcs = &vi_common_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_GMC,
.major = 8,
.minor = 0,
.rev = 0,
.funcs = &gmc_v8_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_IH,
.major = 3,
.minor = 0,
.rev = 0,
.funcs = &tonga_ih_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_SMC,
.major = 7,
.minor = 1,
.rev = 0,
.funcs = &amdgpu_pp_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_DCE,
.major = 10,
.minor = 0,
.rev = 0,
.funcs = &dce_v10_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_GFX,
.major = 8,
.minor = 0,
.rev = 0,
.funcs = &gfx_v8_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_SDMA,
.major = 3,
.minor = 0,
.rev = 0,
.funcs = &sdma_v3_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_UVD,
.major = 5,
.minor = 0,
.rev = 0,
.funcs = &uvd_v5_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_VCE,
.major = 3,
.minor = 0,
.rev = 0,
.funcs = &vce_v3_0_ip_funcs,
},
};
static const struct amdgpu_ip_block_version fiji_ip_blocks[] =
{
/* ORDER MATTERS! */
{
.type = AMD_IP_BLOCK_TYPE_COMMON,
.major = 2,
.minor = 0,
.rev = 0,
.funcs = &vi_common_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_GMC,
.major = 8,
.minor = 5,
.rev = 0,
.funcs = &gmc_v8_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_IH,
.major = 3,
.minor = 0,
.rev = 0,
.funcs = &tonga_ih_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_SMC,
.major = 7,
.minor = 1,
.rev = 0,
.funcs = &amdgpu_pp_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_DCE,
.major = 10,
.minor = 1,
.rev = 0,
.funcs = &dce_v10_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_GFX,
.major = 8,
.minor = 0,
.rev = 0,
.funcs = &gfx_v8_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_SDMA,
.major = 3,
.minor = 0,
.rev = 0,
.funcs = &sdma_v3_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_UVD,
.major = 6,
.minor = 0,
.rev = 0,
.funcs = &uvd_v6_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_VCE,
.major = 3,
.minor = 0,
.rev = 0,
.funcs = &vce_v3_0_ip_funcs,
},
};
static const struct amdgpu_ip_block_version cz_ip_blocks[] =
{
/* ORDER MATTERS! */
{
.type = AMD_IP_BLOCK_TYPE_COMMON,
.major = 2,
.minor = 0,
.rev = 0,
.funcs = &vi_common_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_GMC,
.major = 8,
.minor = 0,
.rev = 0,
.funcs = &gmc_v8_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_IH,
.major = 3,
.minor = 0,
.rev = 0,
.funcs = &cz_ih_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_SMC,
.major = 8,
.minor = 0,
.rev = 0,
.funcs = &amdgpu_pp_ip_funcs
},
{
.type = AMD_IP_BLOCK_TYPE_DCE,
.major = 11,
.minor = 0,
.rev = 0,
.funcs = &dce_v11_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_GFX,
.major = 8,
.minor = 0,
.rev = 0,
.funcs = &gfx_v8_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_SDMA,
.major = 3,
.minor = 0,
.rev = 0,
.funcs = &sdma_v3_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_UVD,
.major = 6,
.minor = 0,
.rev = 0,
.funcs = &uvd_v6_0_ip_funcs,
},
{
.type = AMD_IP_BLOCK_TYPE_VCE,
.major = 3,
.minor = 0,
.rev = 0,
.funcs = &vce_v3_0_ip_funcs,
},
#if defined(CONFIG_DRM_AMD_ACP)
{
.type = AMD_IP_BLOCK_TYPE_ACP,
.major = 2,
.minor = 2,
.rev = 0,
.funcs = &acp_ip_funcs,
},
#endif
};
int vi_set_ip_blocks(struct amdgpu_device *adev)
{
switch (adev->asic_type) {
case CHIP_TOPAZ:
adev->ip_blocks = topaz_ip_blocks;
adev->num_ip_blocks = ARRAY_SIZE(topaz_ip_blocks);
break;
case CHIP_FIJI:
adev->ip_blocks = fiji_ip_blocks;
adev->num_ip_blocks = ARRAY_SIZE(fiji_ip_blocks);
break;
case CHIP_TONGA:
adev->ip_blocks = tonga_ip_blocks;
adev->num_ip_blocks = ARRAY_SIZE(tonga_ip_blocks);
break;
case CHIP_CARRIZO:
case CHIP_STONEY:
adev->ip_blocks = cz_ip_blocks;
adev->num_ip_blocks = ARRAY_SIZE(cz_ip_blocks);
break;
default:
/* FIXME: not supported yet */
return -EINVAL;
}
return 0;
}
#define ATI_REV_ID_FUSE_MACRO__ADDRESS 0xC0014044
#define ATI_REV_ID_FUSE_MACRO__SHIFT 9
#define ATI_REV_ID_FUSE_MACRO__MASK 0x00001E00
static uint32_t vi_get_rev_id(struct amdgpu_device *adev)
{
if (adev->flags & AMD_IS_APU)
return (RREG32_SMC(ATI_REV_ID_FUSE_MACRO__ADDRESS) & ATI_REV_ID_FUSE_MACRO__MASK)
>> ATI_REV_ID_FUSE_MACRO__SHIFT;
else
return (RREG32(mmPCIE_EFUSE4) & PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID_MASK)
>> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT;
}
static const struct amdgpu_asic_funcs vi_asic_funcs =
{
.read_disabled_bios = &vi_read_disabled_bios,
.read_bios_from_rom = &vi_read_bios_from_rom,
.read_register = &vi_read_register,
.reset = &vi_asic_reset,
.set_vga_state = &vi_vga_set_state,
.get_xclk = &vi_get_xclk,
.set_uvd_clocks = &vi_set_uvd_clocks,
.set_vce_clocks = &vi_set_vce_clocks,
.get_cu_info = &gfx_v8_0_get_cu_info,
/* these should be moved to their own ip modules */
.get_gpu_clock_counter = &gfx_v8_0_get_gpu_clock_counter,
.wait_for_mc_idle = &gmc_v8_0_mc_wait_for_idle,
};
static int vi_common_early_init(void *handle)
{
bool smc_enabled = false;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (adev->flags & AMD_IS_APU) {
adev->smc_rreg = &cz_smc_rreg;
adev->smc_wreg = &cz_smc_wreg;
} else {
adev->smc_rreg = &vi_smc_rreg;
adev->smc_wreg = &vi_smc_wreg;
}
adev->pcie_rreg = &vi_pcie_rreg;
adev->pcie_wreg = &vi_pcie_wreg;
adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg;
adev->uvd_ctx_wreg = &vi_uvd_ctx_wreg;
adev->didt_rreg = &vi_didt_rreg;
adev->didt_wreg = &vi_didt_wreg;
adev->asic_funcs = &vi_asic_funcs;
if (amdgpu_get_ip_block(adev, AMD_IP_BLOCK_TYPE_SMC) &&
(amdgpu_ip_block_mask & (1 << AMD_IP_BLOCK_TYPE_SMC)))
smc_enabled = true;
adev->rev_id = vi_get_rev_id(adev);
adev->external_rev_id = 0xFF;
switch (adev->asic_type) {
case CHIP_TOPAZ:
adev->cg_flags = 0;
adev->pg_flags = 0;
adev->external_rev_id = 0x1;
break;
case CHIP_FIJI:
adev->cg_flags = 0;
adev->pg_flags = 0;
adev->external_rev_id = adev->rev_id + 0x3c;
break;
case CHIP_TONGA:
adev->cg_flags = 0;
adev->pg_flags = 0;
adev->external_rev_id = adev->rev_id + 0x14;
break;
case CHIP_CARRIZO:
case CHIP_STONEY:
adev->cg_flags = 0;
adev->pg_flags = 0;
adev->external_rev_id = adev->rev_id + 0x1;
break;
default:
/* FIXME: not supported yet */
return -EINVAL;
}
if (amdgpu_smc_load_fw && smc_enabled)
adev->firmware.smu_load = true;
amdgpu_get_pcie_info(adev);
return 0;
}
static int vi_common_sw_init(void *handle)
{
return 0;
}
static int vi_common_sw_fini(void *handle)
{
return 0;
}
static int vi_common_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* move the golden regs per IP block */
vi_init_golden_registers(adev);
/* enable pcie gen2/3 link */
vi_pcie_gen3_enable(adev);
/* enable aspm */
vi_program_aspm(adev);
/* enable the doorbell aperture */
vi_enable_doorbell_aperture(adev, true);
return 0;
}
static int vi_common_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* enable the doorbell aperture */
vi_enable_doorbell_aperture(adev, false);
return 0;
}
static int vi_common_suspend(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
return vi_common_hw_fini(adev);
}
static int vi_common_resume(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
return vi_common_hw_init(adev);
}
static bool vi_common_is_idle(void *handle)
{
return true;
}
static int vi_common_wait_for_idle(void *handle)
{
return 0;
}
static void vi_common_print_status(void *handle)
{
return;
}
static int vi_common_soft_reset(void *handle)
{
return 0;
}
static void fiji_update_bif_medium_grain_light_sleep(struct amdgpu_device *adev,
bool enable)
{
uint32_t temp, data;
temp = data = RREG32_PCIE(ixPCIE_CNTL2);
if (enable)
data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
PCIE_CNTL2__MST_MEM_LS_EN_MASK |
PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK;
else
data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
PCIE_CNTL2__MST_MEM_LS_EN_MASK |
PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
if (temp != data)
WREG32_PCIE(ixPCIE_CNTL2, data);
}
static void fiji_update_hdp_medium_grain_clock_gating(struct amdgpu_device *adev,
bool enable)
{
uint32_t temp, data;
temp = data = RREG32(mmHDP_HOST_PATH_CNTL);
if (enable)
data &= ~HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK;
else
data |= HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK;
if (temp != data)
WREG32(mmHDP_HOST_PATH_CNTL, data);
}
static void fiji_update_hdp_light_sleep(struct amdgpu_device *adev,
bool enable)
{
uint32_t temp, data;
temp = data = RREG32(mmHDP_MEM_POWER_LS);
if (enable)
data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
else
data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
if (temp != data)
WREG32(mmHDP_MEM_POWER_LS, data);
}
static void fiji_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
bool enable)
{
uint32_t temp, data;
temp = data = RREG32_SMC(ixCGTT_ROM_CLK_CTRL0);
if (enable)
data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
else
data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
if (temp != data)
WREG32_SMC(ixCGTT_ROM_CLK_CTRL0, data);
}
static int vi_common_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
switch (adev->asic_type) {
case CHIP_FIJI:
fiji_update_bif_medium_grain_light_sleep(adev,
state == AMD_CG_STATE_GATE ? true : false);
fiji_update_hdp_medium_grain_clock_gating(adev,
state == AMD_CG_STATE_GATE ? true : false);
fiji_update_hdp_light_sleep(adev,
state == AMD_CG_STATE_GATE ? true : false);
fiji_update_rom_medium_grain_clock_gating(adev,
state == AMD_CG_STATE_GATE ? true : false);
break;
default:
break;
}
return 0;
}
static int vi_common_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
return 0;
}
const struct amd_ip_funcs vi_common_ip_funcs = {
.early_init = vi_common_early_init,
.late_init = NULL,
.sw_init = vi_common_sw_init,
.sw_fini = vi_common_sw_fini,
.hw_init = vi_common_hw_init,
.hw_fini = vi_common_hw_fini,
.suspend = vi_common_suspend,
.resume = vi_common_resume,
.is_idle = vi_common_is_idle,
.wait_for_idle = vi_common_wait_for_idle,
.soft_reset = vi_common_soft_reset,
.print_status = vi_common_print_status,
.set_clockgating_state = vi_common_set_clockgating_state,
.set_powergating_state = vi_common_set_powergating_state,
};
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