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Code Issues Releases Wiki Activity

drm/amdgpu: AMD SW workaround for certain partner boards

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Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2016-07-29 19:19:26 +08:00 committed by Alex Deucher
parent 93bdacd1bd
commit 5765a36d4c
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
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@ -699,7 +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) {
if (adev->pdev->revision == 0xc7 &&
((adev->pdev->subsystem_device == 0xb37 && adev->pdev->subsystem_vendor == 0x1002) ||
(adev->pdev->subsystem_device == 0x4a8 && adev->pdev->subsystem_vendor == 0x1043) ||
(adev->pdev->subsystem_device == 0x9480 && adev->pdev->subsystem_vendor == 0x1682))) {
amdgpu_atombios_i2c_channel_trans(adev, 0x10, 0x96, 0x1E, 0xDD);
amdgpu_atombios_i2c_channel_trans(adev, 0x10, 0x96, 0x1F, 0xD0);
}