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drm/amdgpu: consolidate atom scratch reg handling for hangs

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Move from asic specific code to common atom code.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2016-10-21 15:45:22 -04:00
parent a76ed485c5
commit 72a57438d1
4 changed files with 20 additions and 28 deletions
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13
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
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@@ -1784,6 +1784,19 @@ void amdgpu_atombios_scratch_regs_restore(struct amdgpu_device *adev)
WREG32(mmBIOS_SCRATCH_0 + i, adev->bios_scratch[i]);
}
void amdgpu_atombios_scratch_regs_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);
}
/* Atom needs data in little endian format
* so swap as appropriate when copying data to
* or from atom. Note that atom operates on