evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

msm: sde: release LK's pool when LK exits

Browse source 
LK's pool is reserved for running on its code stack. So once
LK exits, the memory region it stays on should be released
and reused by system.

Change-Id: Iec5af69573eb633de48c931a052bd596f5ed3bda
Signed-off-by: Guchun Chen <guchunc@codeaurora.org>
This commit is contained in:
Guchun Chen 2017-06-13 18:00:23 +08:00
parent 1faafb0d7c
commit 62b1d246c8
1 changed files with 6 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/gpu/drm/msm/sde/sde_splash.c
View file

@ -529,7 +529,8 @@ int sde_splash_clean_up_free_resource(struct msm_kms *kms,
/* When both hdmi's and dsi's resource are freed, /* When both hdmi's and dsi's resource are freed,
* 1. Destroy splash node objects. * 1. Destroy splash node objects.
* 2. Decrease ref count in bandwidth voting function. * 2. Release the memory which LK's stack is running on.
* 3. Withdraw AHB data bus bandwidth voting.
*/ */
if (sinfo->hdmi_connector_cnt == 0 && if (sinfo->hdmi_connector_cnt == 0 &&
sinfo->dsi_connector_cnt == 0) { sinfo->dsi_connector_cnt == 0) {
@ -539,8 +540,12 @@ int sde_splash_clean_up_free_resource(struct msm_kms *kms,
_sde_splash_destroy_splash_node(sinfo); _sde_splash_destroy_splash_node(sinfo);
_sde_splash_free_bootup_memory_to_system(sinfo->lk_pool_paddr,
sinfo->lk_pool_size);
sde_power_data_bus_bandwidth_ctrl(phandle, sde_power_data_bus_bandwidth_ctrl(phandle,
sde_kms->core_client, false); sde_kms->core_client, false);
return 0; return 0;
} }