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drm/amdgpu: introduce vram lost for reset (v2) 

for SOC15/vega10 the BACO reset & mode1 would introduce vram lost
in high end address range, current kmd's vram lost checking cannot
catch it since it only check very ahead visible frame buffer

v2:
cover NV as well

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2019-08-27 16:32:55 +08:00 committed by Alex Deucher
parent 514ad79103
commit e352625796
4 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -1151,6 +1151,7 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
#define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
#define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
#define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
#define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
/* Common functions */
bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);

4
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -3483,7 +3483,7 @@ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev,
amdgpu_virt_init_data_exchange(adev);
amdgpu_virt_release_full_gpu(adev, true);
if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) {
atomic_inc(&adev->vram_lost_counter);
amdgpu_inc_vram_lost(adev);
r = amdgpu_device_recover_vram(adev);
}
@ -3649,7 +3649,7 @@ static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive,
vram_lost = amdgpu_device_check_vram_lost(tmp_adev);
if (vram_lost) {
DRM_INFO("VRAM is lost due to GPU reset!\n");
atomic_inc(&tmp_adev->vram_lost_counter);
amdgpu_inc_vram_lost(tmp_adev);
}
r = amdgpu_gtt_mgr_recover(

7
drivers/gpu/drm/amd/amdgpu/nv.c
View File

@ -316,10 +316,13 @@ static int nv_asic_reset(struct amdgpu_device *adev)
int ret = 0;
struct smu_context *smu = &adev->smu;
if (nv_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)
if (nv_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
amdgpu_inc_vram_lost(adev);
ret = smu_baco_reset(smu);
else
} else {
amdgpu_inc_vram_lost(adev);
ret = nv_asic_mode1_reset(adev);
}
return ret;
}

2
drivers/gpu/drm/amd/amdgpu/soc15.c
View File

@ -558,10 +558,12 @@ static int soc15_asic_reset(struct amdgpu_device *adev)
{
switch (soc15_asic_reset_method(adev)) {
case AMD_RESET_METHOD_BACO:
amdgpu_inc_vram_lost(adev);
return soc15_asic_baco_reset(adev);
case AMD_RESET_METHOD_MODE2:
return soc15_mode2_reset(adev);
default:
amdgpu_inc_vram_lost(adev);
return soc15_asic_mode1_reset(adev);
}
}