From: Rob Clark <robdclark@xxxxxxxxxxxx>
In this case, we need to iterate the VMAs looking for ones with
MSM_VMA_DUMP flag.
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
drivers/gpu/drm/msm/msm_gpu.c | 73 +++++++++++++++++++++++++----------
1 file changed, 52 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index e35125d88466..aca943dc0cd7 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -257,6 +257,50 @@ static void msm_gpu_crashstate_get_bo(struct msm_gpu_state *state,
state->nr_bos++;
}
+static void crashstate_get_bos(struct msm_gpu_state *state, struct msm_gem_submit *submit)
+{
+ extern bool rd_full;
+
+ if (!submit)
+ return;
+
+ if (msm_context_is_vmbind(submit->queue->ctx)) {
+ struct drm_gpuva *vma;
+ unsigned cnt = 0;
+
+ mutex_lock(&to_msm_vm(submit->vm)->vm_lock);
+
+ drm_gpuvm_for_each_va (vma, submit->vm)
+ cnt++;
+
+ state->bos = kcalloc(cnt, sizeof(struct msm_gpu_state_bo), GFP_KERNEL);
+
+ drm_gpuvm_for_each_va (vma, submit->vm) {
+ bool dump = rd_full || (vma->flags & MSM_VMA_DUMP);
+
+ /* Skip MAP_NULL/PRR VMAs: */
+ if (!vma->gem.obj)
+ continue;
+
+ msm_gpu_crashstate_get_bo(state, vma->gem.obj, vma->va.addr,
+ dump, vma->gem.offset, vma->va.range);
+ }
+
+ mutex_unlock(&to_msm_vm(submit->vm)->vm_lock);
+ } else {
+ state->bos = kcalloc(submit->nr_bos,
+ sizeof(struct msm_gpu_state_bo), GFP_KERNEL);
+
+ for (int i = 0; state->bos && i < submit->nr_bos; i++) {
+ struct drm_gem_object *obj = submit->bos[i].obj;
+ bool dump = rd_full || (submit->bos[i].flags & MSM_SUBMIT_BO_DUMP);
+
+ msm_gpu_crashstate_get_bo(state, obj, submit->bos[i].iova,
+ dump, 0, obj->size);
+ }
+ }
+}
+
static void msm_gpu_crashstate_capture(struct msm_gpu *gpu,
struct msm_gem_submit *submit, char *comm, char *cmd)
{
@@ -279,30 +323,17 @@ static void msm_gpu_crashstate_capture(struct msm_gpu *gpu,
state->cmd = kstrdup(cmd, GFP_KERNEL);
state->fault_info = gpu->fault_info;
- if (submit) {
- extern bool rd_full;
- int i;
-
- if (state->fault_info.ttbr0) {
- struct msm_gpu_fault_info *info = &state->fault_info;
- struct msm_mmu *mmu = to_msm_vm(submit->vm)->mmu;
-
- msm_iommu_pagetable_params(mmu, &info->pgtbl_ttbr0,
- &info->asid);
- msm_iommu_pagetable_walk(mmu, info->iova, info->ptes);
- }
+ if (submit && state->fault_info.ttbr0) {
+ struct msm_gpu_fault_info *info = &state->fault_info;
+ struct msm_mmu *mmu = to_msm_vm(submit->vm)->mmu;
- state->bos = kcalloc(submit->nr_bos,
- sizeof(struct msm_gpu_state_bo), GFP_KERNEL);
-
- for (i = 0; state->bos && i < submit->nr_bos; i++) {
- struct drm_gem_object *obj = submit->bos[i].obj;
- bool dump = rd_full || (submit->bos[i].flags & MSM_SUBMIT_BO_DUMP);
- msm_gpu_crashstate_get_bo(state, obj, submit->bos[i].iova,
- dump, 0, obj->size);
- }
+ msm_iommu_pagetable_params(mmu, &info->pgtbl_ttbr0,
+ &info->asid);
+ msm_iommu_pagetable_walk(mmu, info->iova, info->ptes);
}
+ crashstate_get_bos(state, submit);
+
/* Set the active crash state to be dumped on failure */
gpu->crashstate = state;
--
2.48.1
