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drm/msm: rd dumping support for sparse

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As with devcoredump, we need to iterate the VMAs to figure out what to
dump.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Tested-by: Antonino Maniscalco <antomani103@gmail.com>
Reviewed-by: Antonino Maniscalco <antomani103@gmail.com>
Patchwork: https://patchwork.freedesktop.org/patch/661510/
This commit is contained in:
Rob Clark
2025-06-29 13:13:11 -07:00
committed by Rob Clark
parent af9aa6f316
commit 06ebb4f043
1 changed files with 33 additions and 15 deletions
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drivers/gpu/drm/msm/msm_rd.c
+33 -15
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@@ -372,25 +372,43 @@ void msm_rd_dump_submit(struct msm_rd_state *rd, struct msm_gem_submit *submit,
rd_write_section(rd, RD_CMD, msg, ALIGN(n, 4));
for (i = 0; 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);
if (msm_context_is_vmbind(submit->queue->ctx)) {
struct drm_gpuva *vma;
snapshot_buf(rd, obj, submit->bos[i].iova, dump, 0, obj->size);
}
drm_gpuvm_resv_assert_held(submit->vm);
for (i = 0; i < submit->nr_cmds; i++) {
uint32_t szd = submit->cmd[i].size; /* in dwords */
int idx = submit->cmd[i].idx;
bool dump = rd_full || (submit->bos[idx].flags & MSM_SUBMIT_BO_DUMP);
drm_gpuvm_for_each_va (vma, submit->vm) {
bool dump = rd_full || (vma->flags & MSM_VMA_DUMP);
/* snapshot cmdstream bo's (if we haven't already): */
if (!dump) {
struct drm_gem_object *obj = submit->bos[idx].obj;
size_t offset = submit->cmd[i].iova - submit->bos[idx].iova;
/* Skip MAP_NULL/PRR VMAs: */
if (!vma->gem.obj)
continue;
snapshot_buf(rd, obj, submit->cmd[i].iova, true,
offset, szd * 4);
snapshot_buf(rd, vma->gem.obj, vma->va.addr, dump,
vma->gem.offset, vma->va.range);
}
} else {
for (i = 0; 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);
snapshot_buf(rd, obj, submit->bos[i].iova, dump, 0, obj->size);
}
for (i = 0; i < submit->nr_cmds; i++) {
uint32_t szd = submit->cmd[i].size; /* in dwords */
int idx = submit->cmd[i].idx;
bool dump = rd_full || (submit->bos[idx].flags & MSM_SUBMIT_BO_DUMP);
/* snapshot cmdstream bo's (if we haven't already): */
if (!dump) {
struct drm_gem_object *obj = submit->bos[idx].obj;
size_t offset = submit->cmd[i].iova - submit->bos[idx].iova;
snapshot_buf(rd, obj, submit->cmd[i].iova, true,
offset, szd * 4);
}
}
}