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authorMark Brown <broonie@kernel.org>2018-01-08 15:54:50 +0000
committerMark Brown <broonie@kernel.org>2018-01-08 15:54:50 +0000
commit498495dba268b20e8eadd7fe93c140c68b6cc9d2 (patch)
tree00d1562049d8bc2194fddd9ba0cbbe0812ad6f68 /drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c
parentd5cc0a1fcbb5ddbef9fdd4c4a978da3254ddbf37 (diff)
parent5c256045b87b8aa8e5bc9d2e2fdc0802351c1f99 (diff)
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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.c61
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);
}