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author | Mark Brown <broonie@kernel.org> | 2018-01-08 15:54:50 +0000 |
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committer | Mark Brown <broonie@kernel.org> | 2018-01-08 15:54:50 +0000 |
commit | 498495dba268b20e8eadd7fe93c140c68b6cc9d2 (patch) | |
tree | 00d1562049d8bc2194fddd9ba0cbbe0812ad6f68 /drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c | |
parent | d5cc0a1fcbb5ddbef9fdd4c4a978da3254ddbf37 (diff) | |
parent | 5c256045b87b8aa8e5bc9d2e2fdc0802351c1f99 (diff) | |
download | linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.tar.gz linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.tar.bz2 linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.zip |
Merge branch 'fix/intel' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-intel
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c index 45ac91861965..7f7097931c6f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c @@ -25,30 +25,26 @@ #include "amdgpu_vf_error.h" #include "mxgpu_ai.h" -#define AMDGPU_VF_ERROR_ENTRY_SIZE 16 - -/* struct error_entry - amdgpu VF error information. */ -struct amdgpu_vf_error_buffer { - int read_count; - int write_count; - uint16_t code[AMDGPU_VF_ERROR_ENTRY_SIZE]; - uint16_t flags[AMDGPU_VF_ERROR_ENTRY_SIZE]; - uint64_t data[AMDGPU_VF_ERROR_ENTRY_SIZE]; -}; - -struct amdgpu_vf_error_buffer admgpu_vf_errors; - - -void amdgpu_vf_error_put(uint16_t sub_error_code, uint16_t error_flags, uint64_t error_data) +void amdgpu_vf_error_put(struct amdgpu_device *adev, + uint16_t sub_error_code, + uint16_t error_flags, + uint64_t error_data) { int index; - uint16_t error_code = AMDGIM_ERROR_CODE(AMDGIM_ERROR_CATEGORY_VF, sub_error_code); + uint16_t error_code; - index = admgpu_vf_errors.write_count % AMDGPU_VF_ERROR_ENTRY_SIZE; - admgpu_vf_errors.code [index] = error_code; - admgpu_vf_errors.flags [index] = error_flags; - admgpu_vf_errors.data [index] = error_data; - admgpu_vf_errors.write_count ++; + if (!amdgpu_sriov_vf(adev)) + return; + + error_code = AMDGIM_ERROR_CODE(AMDGIM_ERROR_CATEGORY_VF, sub_error_code); + + mutex_lock(&adev->virt.vf_errors.lock); + index = adev->virt.vf_errors.write_count % AMDGPU_VF_ERROR_ENTRY_SIZE; + adev->virt.vf_errors.code [index] = error_code; + adev->virt.vf_errors.flags [index] = error_flags; + adev->virt.vf_errors.data [index] = error_data; + adev->virt.vf_errors.write_count ++; + mutex_unlock(&adev->virt.vf_errors.lock); } @@ -58,7 +54,8 @@ void amdgpu_vf_error_trans_all(struct amdgpu_device *adev) u32 data1, data2, data3; int index; - if ((NULL == adev) || (!amdgpu_sriov_vf(adev)) || (!adev->virt.ops) || (!adev->virt.ops->trans_msg)) { + if ((NULL == adev) || (!amdgpu_sriov_vf(adev)) || + (!adev->virt.ops) || (!adev->virt.ops->trans_msg)) { return; } /* @@ -68,18 +65,22 @@ void amdgpu_vf_error_trans_all(struct amdgpu_device *adev) return; } */ + + mutex_lock(&adev->virt.vf_errors.lock); /* The errors are overlay of array, correct read_count as full. */ - if (admgpu_vf_errors.write_count - admgpu_vf_errors.read_count > AMDGPU_VF_ERROR_ENTRY_SIZE) { - admgpu_vf_errors.read_count = admgpu_vf_errors.write_count - AMDGPU_VF_ERROR_ENTRY_SIZE; + if (adev->virt.vf_errors.write_count - adev->virt.vf_errors.read_count > AMDGPU_VF_ERROR_ENTRY_SIZE) { + adev->virt.vf_errors.read_count = adev->virt.vf_errors.write_count - AMDGPU_VF_ERROR_ENTRY_SIZE; } - while (admgpu_vf_errors.read_count < admgpu_vf_errors.write_count) { - index =admgpu_vf_errors.read_count % AMDGPU_VF_ERROR_ENTRY_SIZE; - data1 = AMDGIM_ERROR_CODE_FLAGS_TO_MAILBOX (admgpu_vf_errors.code[index], admgpu_vf_errors.flags[index]); - data2 = admgpu_vf_errors.data[index] & 0xFFFFFFFF; - data3 = (admgpu_vf_errors.data[index] >> 32) & 0xFFFFFFFF; + while (adev->virt.vf_errors.read_count < adev->virt.vf_errors.write_count) { + index =adev->virt.vf_errors.read_count % AMDGPU_VF_ERROR_ENTRY_SIZE; + data1 = AMDGIM_ERROR_CODE_FLAGS_TO_MAILBOX(adev->virt.vf_errors.code[index], + adev->virt.vf_errors.flags[index]); + data2 = adev->virt.vf_errors.data[index] & 0xFFFFFFFF; + data3 = (adev->virt.vf_errors.data[index] >> 32) & 0xFFFFFFFF; adev->virt.ops->trans_msg(adev, IDH_LOG_VF_ERROR, data1, data2, data3); - admgpu_vf_errors.read_count ++; + adev->virt.vf_errors.read_count ++; } + mutex_unlock(&adev->virt.vf_errors.lock); } |