redonkable/alistair23-linux
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drm/msm/rd: split out snapshot_buf helper

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(reduce the noise in next patch)

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2016-06-16 11:49:09 -04:00
parent a8d854c102
commit 6507e799f4
1 changed files with 22 additions and 14 deletions
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36
drivers/gpu/drm/msm/msm_rd.c
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@ -277,6 +277,26 @@ void msm_rd_debugfs_cleanup(struct drm_minor *minor)
kfree(rd);
}
static void snapshot_buf(struct msm_rd_state *rd,
struct msm_gem_submit *submit, int idx,
uint32_t iova, uint32_t size)
{
struct msm_gem_object *obj = submit->bos[idx].obj;
const char *buf;
buf = msm_gem_get_vaddr_locked(&obj->base);
if (IS_ERR(buf))
return;
buf += iova - submit->bos[idx].iova;
rd_write_section(rd, RD_GPUADDR,
(uint32_t[2]){ iova, size }, 8);
rd_write_section(rd, RD_BUFFER_CONTENTS, buf, size);
msm_gem_put_vaddr_locked(&obj->base);
}
/* called under struct_mutex */
void msm_rd_dump_submit(struct msm_gem_submit *submit)
{
@ -306,21 +326,11 @@ void msm_rd_dump_submit(struct msm_gem_submit *submit)
*/
for (i = 0; i < submit->nr_cmds; i++) {
uint32_t idx = submit->cmd[i].idx;
uint32_t iova = submit->cmd[i].iova;
uint32_t szd = submit->cmd[i].size; /* in dwords */
struct msm_gem_object *obj = submit->bos[idx].obj;
const char *buf = msm_gem_get_vaddr_locked(&obj->base);
if (IS_ERR(buf))
continue;
buf += iova - submit->bos[idx].iova;
rd_write_section(rd, RD_GPUADDR,
(uint32_t[2]){ iova, szd * 4 }, 8);
rd_write_section(rd, RD_BUFFER_CONTENTS,
buf, szd * 4);
snapshot_buf(rd, submit, submit->cmd[i].idx,
submit->cmd[i].iova, szd * 4);
switch (submit->cmd[i].type) {
case MSM_SUBMIT_CMD_IB_TARGET_BUF:
@ -335,8 +345,6 @@ void msm_rd_dump_submit(struct msm_gem_submit *submit)
(uint32_t[2]){ iova, szd }, 8);
break;
}
msm_gem_put_vaddr_locked(&obj->base);
}
}
#endif