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drm/msm/gpu: Capture all BO addr+size in devcore

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It is useful to know what buffers userspace thinks are associated with
the submit, even if we don't care to capture their content.  This brings
things more inline with $debugfs/rd cmdstream dumping.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/491908/
Link: https://lore.kernel.org/r/20220629211919.563585-2-robdclark@gmail.com
This commit is contained in:
Rob Clark 2022-06-29 14:19:15 -07:00
parent b571cb5273
commit cc66a42c94
1 changed files with 7 additions and 27 deletions
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34
drivers/gpu/drm/msm/msm_gpu.c
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@ -221,7 +221,7 @@ static void msm_gpu_devcoredump_free(void *data)
}
static void msm_gpu_crashstate_get_bo(struct msm_gpu_state *state,
struct msm_gem_object *obj, u64 iova, u32 flags)
struct msm_gem_object *obj, u64 iova, bool full)
{
struct msm_gpu_state_bo *state_bo = &state->bos[state->nr_bos];
@ -229,8 +229,7 @@ static void msm_gpu_crashstate_get_bo(struct msm_gpu_state *state,
state_bo->size = obj->base.size;
state_bo->iova = iova;
/* Only store data for non imported buffer objects marked for read */
if ((flags & MSM_SUBMIT_BO_READ) && !obj->base.import_attach) {
if (full) {
void *ptr;
state_bo->data = kvmalloc(obj->base.size, GFP_KERNEL);
@ -276,34 +275,15 @@ static void msm_gpu_crashstate_capture(struct msm_gpu *gpu,
state->fault_info = gpu->fault_info;
if (submit) {
int i, nr = 0;
int i;
/* count # of buffers to dump: */
for (i = 0; i < submit->nr_bos; i++)
if (should_dump(submit, i))
nr++;
/* always dump cmd bo's, but don't double count them: */
for (i = 0; i < submit->nr_cmds; i++)
if (!should_dump(submit, submit->cmd[i].idx))
nr++;
state->bos = kcalloc(nr,
state->bos = kcalloc(submit->nr_bos,
sizeof(struct msm_gpu_state_bo), GFP_KERNEL);
for (i = 0; state->bos && i < submit->nr_bos; i++) {
if (should_dump(submit, i)) {
msm_gpu_crashstate_get_bo(state, submit->bos[i].obj,
submit->bos[i].iova, submit->bos[i].flags);
}
}
for (i = 0; state->bos && i < submit->nr_cmds; i++) {
int idx = submit->cmd[i].idx;
if (!should_dump(submit, submit->cmd[i].idx)) {
msm_gpu_crashstate_get_bo(state, submit->bos[idx].obj,
submit->bos[idx].iova, submit->bos[idx].flags);
}
msm_gpu_crashstate_get_bo(state, submit->bos[i].obj,
submit->bos[i].iova,
should_dump(submit, i));
}
}