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

msm: ipa3: fix holb sequence for SSR

Browse source 
The correct sequence for enabling HOLB drop is first
to suspend the pipe and then to HOLB drop.

Change-Id: I78b7b268eec230a4993e446bd90846f800364e06
CRs-Fixed: 2141518
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>
This commit is contained in:
Skylar Chang 2017-11-21 10:11:34 -08:00 • committed by Gerrit - the friendly Code Review server
parent df805abc50
commit 34e75f5628
1 changed files with 6 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/platform/msm/ipa/ipa_v3/ipa.c
View file

@ -2162,6 +2162,12 @@ static void ipa3_q6_avoid_holb(void)
if (ep_idx == -1)
continue;
/* from IPA 4.0 pipe suspend is not supported */
if (ipa3_ctx->ipa_hw_type < IPA_HW_v4_0)
ipahal_write_reg_n_fields(
IPA_ENDP_INIT_CTRL_n,
ep_idx, &ep_suspend);
/*
* ipa3_cfg_ep_holb is not used here because we are
* setting HOLB on Q6 pipes, and from APPS perspective
@ -2174,10 +2180,6 @@ static void ipa3_q6_avoid_holb(void)
ipahal_write_reg_n_fields(
IPA_ENDP_INIT_HOL_BLOCK_EN_n,
ep_idx, &ep_holb);
ipahal_write_reg_n_fields(
IPA_ENDP_INIT_CTRL_n,
ep_idx, &ep_suspend);
}
}
}