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Merge branch 'drm-fixes-4.7' of git://people.freedesktop.org/~agd5f/l…
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…inux into drm-fixes

Two more polaris fixes.
* 'drm-fixes-4.7' of git://people.freedesktop.org/~agd5f/linux:
  drm/amdgpu: fix power distribution issue for Polaris10 XT
  drm/amdgpu: Add a missing register to Polaris golden setting
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Dave Airlie committed Jul 14, 2016
2 parents f97d104 + eeade25 commit da03189
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Showing 3 changed files with 24 additions and 0 deletions.
15 changes: 15 additions & 0 deletions drivers/gpu/drm/amd/amdgpu/atombios_i2c.c
Original file line number Diff line number Diff line change
Expand Up @@ -156,3 +156,18 @@ u32 amdgpu_atombios_i2c_func(struct i2c_adapter *adap)
return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
}

void amdgpu_atombios_i2c_channel_trans(struct amdgpu_device* adev, u8 slave_addr, u8 line_number, u8 offset, u8 data)
{
PROCESS_I2C_CHANNEL_TRANSACTION_PS_ALLOCATION args;
int index = GetIndexIntoMasterTable(COMMAND, ProcessI2cChannelTransaction);

args.ucRegIndex = offset;
args.lpI2CDataOut = data;
args.ucFlag = 1;
args.ucI2CSpeed = TARGET_HW_I2C_CLOCK;
args.ucTransBytes = 1;
args.ucSlaveAddr = slave_addr;
args.ucLineNumber = line_number;

amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
}
2 changes: 2 additions & 0 deletions drivers/gpu/drm/amd/amdgpu/atombios_i2c.h
Original file line number Diff line number Diff line change
Expand Up @@ -27,5 +27,7 @@
int amdgpu_atombios_i2c_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg *msgs, int num);
u32 amdgpu_atombios_i2c_func(struct i2c_adapter *adap);
void amdgpu_atombios_i2c_channel_trans(struct amdgpu_device* adev,
u8 slave_addr, u8 line_number, u8 offset, u8 data);

#endif
7 changes: 7 additions & 0 deletions drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
#include "vid.h"
#include "amdgpu_ucode.h"
#include "amdgpu_atombios.h"
#include "atombios_i2c.h"
#include "clearstate_vi.h"

#include "gmc/gmc_8_2_d.h"
Expand Down Expand Up @@ -284,6 +285,7 @@ static const u32 golden_settings_polaris11_a11[] =
mmTCP_ADDR_CONFIG, 0x000003ff, 0x000000f3,
mmTCP_CHAN_STEER_HI, 0xffffffff, 0x00000000,
mmTCP_CHAN_STEER_LO, 0xffffffff, 0x00003210,
mmVGT_RESET_DEBUG, 0x00000004, 0x00000004,
};

static const u32 polaris11_golden_common_all[] =
Expand Down Expand Up @@ -314,6 +316,7 @@ static const u32 golden_settings_polaris10_a11[] =
mmTCC_CTRL, 0x00100000, 0xf31fff7f,
mmTCP_ADDR_CONFIG, 0x000003ff, 0x000000f7,
mmTCP_CHAN_STEER_HI, 0xffffffff, 0x00000000,
mmVGT_RESET_DEBUG, 0x00000004, 0x00000004,
};

static const u32 polaris10_golden_common_all[] =
Expand Down Expand Up @@ -696,6 +699,10 @@ static void gfx_v8_0_init_golden_registers(struct amdgpu_device *adev)
polaris10_golden_common_all,
(const u32)ARRAY_SIZE(polaris10_golden_common_all));
WREG32_SMC(ixCG_ACLK_CNTL, 0x0000001C);
if (adev->pdev->revision == 0xc7) {
amdgpu_atombios_i2c_channel_trans(adev, 0x10, 0x96, 0x1E, 0xDD);
amdgpu_atombios_i2c_channel_trans(adev, 0x10, 0x96, 0x1F, 0xD0);
}
break;
case CHIP_CARRIZO:
amdgpu_program_register_sequence(adev,
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