diff --git a/drivers/gpu/drm/msm/msm_rd.c b/drivers/gpu/drm/msm/msm_rd.c index 0366b8092f97..4c858d860c79 100644 --- a/drivers/gpu/drm/msm/msm_rd.c +++ b/drivers/gpu/drm/msm/msm_rd.c @@ -268,10 +268,6 @@ static void snapshot_buf(struct msm_rd_state *rd, struct msm_gem_object *obj = submit->bos[idx].obj; const char *buf; - buf = msm_gem_get_vaddr(&obj->base); - if (IS_ERR(buf)) - return; - if (iova) { buf += iova - submit->bos[idx].iova; } else { @@ -279,8 +275,21 @@ static void snapshot_buf(struct msm_rd_state *rd, size = obj->base.size; } + /* + * Always write the GPUADDR header so can get a complete list of all the + * buffers in the cmd + */ rd_write_section(rd, RD_GPUADDR, (uint32_t[3]){ iova, size, iova >> 32 }, 12); + + /* But only dump the contents of buffers marked READ */ + if (!(submit->bos[idx].flags & MSM_SUBMIT_BO_READ)) + return; + + buf = msm_gem_get_vaddr(&obj->base); + if (IS_ERR(buf)) + return; + rd_write_section(rd, RD_BUFFER_CONTENTS, buf, size); msm_gem_put_vaddr(&obj->base); @@ -309,17 +318,8 @@ void msm_rd_dump_submit(struct msm_gem_submit *submit) rd_write_section(rd, RD_CMD, msg, ALIGN(n, 4)); - if (rd_full) { - for (i = 0; i < submit->nr_bos; i++) { - /* buffers that are written to probably don't start out - * with anything interesting: - */ - if (submit->bos[i].flags & MSM_SUBMIT_BO_WRITE) - continue; - - snapshot_buf(rd, submit, i, 0, 0); - } - } + for (i = 0; rd_full && i < submit->nr_bos; i++) + snapshot_buf(rd, submit, i, 0, 0); for (i = 0; i < submit->nr_cmds; i++) { uint64_t iova = submit->cmd[i].iova;