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disp: msm: sde: add vbif axi port halt request support

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Add vbif axi port halt request support before
MDSS core GDSC power collapse state. It is needed
for targets without MDSS RSC support.

Change-Id: I1fbf281c4206ecd4ad1c2d1348a95e002740e2f1
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
This commit is contained in:
Dhaval Patel
2020-01-22 13:43:08 -08:00
parent f5666717c7
commit ac8fbffff5
5 changed files with 120 additions and 29 deletions
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8
msm/sde/sde_vbif.h
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@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
*/
#ifndef __SDE_VBIF_H__
@@ -98,6 +98,12 @@ void sde_vbif_clear_errors(struct sde_kms *sde_kms);
*/
void sde_vbif_init_memtypes(struct sde_kms *sde_kms);
/**
* sde_vbif_axi_halt_request - halt all axi transcations on vbif
* @sde_kms: SDE handler
*/
void sde_vbif_axi_halt_request(struct sde_kms *sde_kms);
/**
* sde_vbif_halt_plane_xin - halts the xin client for the unused plane
* On unused plane, check if the vbif for this plane is idle or not.