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drm/msm: devcoredump should dump MSM_SUBMIT_BO_DUMP buffers

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Also log buffers with the DUMP flag set, to ensure we capture all useful
cmdstream in crashdump state with modern mesa.

Otherwise we miss out on the contents of "state object" cmdstream
buffers.

v2: add missing 'inline'

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
This commit is contained in:
Rob Clark
2020-02-18 13:20:12 -08:00
parent 0478b4fc5f
commit e515af8d4a
3 changed files with 33 additions and 11 deletions
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26
drivers/gpu/drm/msm/msm_gpu.c
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@@ -355,16 +355,34 @@ static void msm_gpu_crashstate_capture(struct msm_gpu *gpu,
state->cmd = kstrdup(cmd, GFP_KERNEL);
if (submit) {
int i;
int i, nr = 0;
state->bos = kcalloc(submit->nr_cmds,
/* 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,
sizeof(struct msm_gpu_state_bo), GFP_KERNEL);
for (i = 0; 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;
msm_gpu_crashstate_get_bo(state, submit->bos[idx].obj,
submit->bos[idx].iova, submit->bos[idx].flags);
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);
}
}
}