samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

disp: msm: sde: add traces for lastclose

Browse Source 
Add logging during sde_kms_lastclose to know when driver cleanup
is being triggered. These traces are very helpful with debugging
shell stop/start issues.

Change-Id: I00ecc1287a3ee5cc096b7edc3f872e122b7d3fc8
Signed-off-by: Steve Cohen <cohens@codeaurora.org>
This commit is contained in:
Steve Cohen
2020-11-06 01:03:46 -05:00
parent 71267af524
commit e01b1494f3
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
msm/sde/sde_kms.c
View File

@@ -2460,6 +2460,7 @@ static void sde_kms_lastclose(struct msm_kms *kms)
} }
state->acquire_ctx = &ctx; state->acquire_ctx = &ctx;
SDE_EVT32(SDE_EVTLOG_FUNC_ENTRY);
retry: retry:
ret = drm_modeset_lock_all_ctx(dev, &ctx); ret = drm_modeset_lock_all_ctx(dev, &ctx);
@@ -2483,12 +2484,13 @@ out_ctx:
if (ret) if (ret)
SDE_ERROR("kms lastclose failed: %d\n", ret); SDE_ERROR("kms lastclose failed: %d\n", ret);
SDE_EVT32(ret, SDE_EVTLOG_FUNC_EXIT);
return; return;
backoff: backoff:
drm_atomic_state_clear(state); drm_atomic_state_clear(state);
drm_modeset_backoff(&ctx); drm_modeset_backoff(&ctx);
SDE_EVT32(ret, SDE_EVTLOG_FUNC_CASE1);
goto retry; goto retry;
} }