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drm/amdgpu: fix wrong vram lost counter increment V2

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Vram lost counter is wrongly increased by two during baco reset.

V2: assumed vram lost for mode1 reset on all ASICs

Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan
2020-04-10 15:38:44 +08:00
committed by Alex Deucher
parent 4f7d010fc4
commit 028cfb2444
5 changed files with 18 additions and 14 deletions
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20
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -2008,8 +2008,24 @@ static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev)
*/
static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev)
{
return !!memcmp(adev->gart.ptr, adev->reset_magic,
AMDGPU_RESET_MAGIC_NUM);
if (memcmp(adev->gart.ptr, adev->reset_magic,
AMDGPU_RESET_MAGIC_NUM))
return true;
if (!adev->in_gpu_reset)
return false;
/*
* For all ASICs with baco/mode1 reset, the VRAM is
* always assumed to be lost.
*/
switch (amdgpu_asic_reset_method(adev)) {
case AMD_RESET_METHOD_BACO:
case AMD_RESET_METHOD_MODE1:
return true;
default:
return false;
}
}
/**