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| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2020-03-02 11:54:28 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-03-05 00:32:32 -0500 |
| commit | 86153f1be26901598599c190b458dd26dce0fd50 (patch) | |
| tree | 51164b3410d8cf9e02e476a2884b427875bb9dd4 /drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | |
| parent | e7429606bb6ad846cfa4f3dd26a328b1d3e76a54 (diff) | |
| download | lwn-86153f1be26901598599c190b458dd26dce0fd50.tar.gz lwn-86153f1be26901598599c190b458dd26dce0fd50.zip | |
drm/amdgpu: add reset_ras_error_count function for SDMA
SDMA ras error counters are dirty ones after cold reboot
Read operation is needed to reset them to 0
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index e55884d204bd..9159bd46482b 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1801,13 +1801,9 @@ static int sdma_v4_0_late_init(void *handle) struct ras_ih_if ih_info = { .cb = sdma_v4_0_process_ras_data_cb, }; - int i; - /* read back edc counter registers to clear the counters */ - if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) { - for (i = 0; i < adev->sdma.num_instances; i++) - RREG32_SDMA(i, mmSDMA0_EDC_COUNTER); - } + if (adev->sdma.funcs && adev->sdma.funcs->reset_ras_error_count) + adev->sdma.funcs->reset_ras_error_count(adev); if (adev->sdma.funcs && adev->sdma.funcs->ras_late_init) return adev->sdma.funcs->ras_late_init(adev, &ih_info); @@ -2572,10 +2568,22 @@ static int sdma_v4_0_query_ras_error_count(struct amdgpu_device *adev, return 0; }; +static void sdma_v4_0_reset_ras_error_count(struct amdgpu_device *adev) +{ + int i; + + /* read back edc counter registers to clear the counters */ + if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) { + for (i = 0; i < adev->sdma.num_instances; i++) + RREG32_SDMA(i, mmSDMA0_EDC_COUNTER); + } +} + static const struct amdgpu_sdma_ras_funcs sdma_v4_0_ras_funcs = { .ras_late_init = amdgpu_sdma_ras_late_init, .ras_fini = amdgpu_sdma_ras_fini, .query_ras_error_count = sdma_v4_0_query_ras_error_count, + .reset_ras_error_count = sdma_v4_0_reset_ras_error_count, }; static void sdma_v4_0_set_ras_funcs(struct amdgpu_device *adev) |