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msm: kgsl: let postmortem dump find context switch IBs

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Because the IBs used for context switching are not allocated
by userspace, a separate search is needed to find them
in adreno_find_region.
This commit is contained in:
securecrt
2012-06-20 12:25:12 +08:00
parent c5ac3240a5
commit fd5e7d8237
1 changed files with 31 additions and 2 deletions
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33
drivers/gpu/msm/adreno.c
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@@ -928,6 +928,8 @@ const struct kgsl_memdesc *adreno_find_region(struct kgsl_device *device,
struct kgsl_process_private *priv;
struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
struct adreno_ringbuffer *ringbuffer = &adreno_dev->ringbuffer;
struct kgsl_context *context;
int next = 0;
if (kgsl_gpuaddr_in_memdesc(&ringbuffer->buffer_desc, gpuaddr, size))
return &ringbuffer->buffer_desc;
@@ -959,11 +961,38 @@ const struct kgsl_memdesc *adreno_find_region(struct kgsl_device *device,
list_for_each_entry(entry, &device->memqueue, list) {
if (kgsl_gpuaddr_in_memdesc(&entry->memdesc, gpuaddr, size)) {
result = &entry->memdesc;
break;
return result;
}
}
return result;
while (1) {
struct adreno_context *adreno_context = NULL;
context = idr_get_next(&device->context_idr, &next);
if (context == NULL)
break;
adreno_context = (struct adreno_context *)context->devctxt;
if (kgsl_mmu_pt_equal(adreno_context->pagetable, pt_base)) {
struct kgsl_memdesc *desc;
desc = &adreno_context->gpustate;
if (kgsl_gpuaddr_in_memdesc(desc, gpuaddr, size)) {
result = desc;
return result;
}
desc = &adreno_context->context_gmem_shadow.gmemshadow;
if (kgsl_gpuaddr_in_memdesc(desc, gpuaddr, size)) {
result = desc;
return result;
}
}
next = next + 1;
}
return NULL;
}