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

disp: msm: avoid vbif and wb register dumps in secure mode

Browse Source 
VBIF and WB register HLOS access is revoked during
secure-display session. Dumping those registers at
ping pong done timeout causes access violation.
Hence avoid vbif and wb register space dumping in secure mode.

Change-Id: I5d327178e9f6232257b3d2fbfef8ca7ef78db2e1
Signed-off-by: Lakshmi Narayana Kalavala <lkalaval@codeaurora.org>
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>
This commit is contained in:
Veera Sundaram Sankaran
2019-05-10 14:54:14 -07:00
parent 74f328561e
commit bbd12dee59
2 changed files with 62 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
msm/sde/sde_encoder_phys_cmd.c
View File

@@ -559,7 +559,10 @@ static int _sde_encoder_phys_cmd_handle_ppdone_timeout(
SDE_EVT32(DRMID(phys_enc->parent), SDE_EVTLOG_FATAL);
sde_encoder_helper_unregister_irq(phys_enc, INTR_IDX_RDPTR);
SDE_DBG_DUMP("all", "dbg_bus", "vbif_dbg_bus");
if (sde_kms_is_secure_session_inprogress(phys_enc->sde_kms))
SDE_DBG_DUMP("secure", "all", "dbg_bus");
else
SDE_DBG_DUMP("all", "dbg_bus", "vbif_dbg_bus");
sde_encoder_helper_register_irq(phys_enc, INTR_IDX_RDPTR);
}