evie/android_kernel_oneplus_msm8998
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msm: mdss: avoid clock off from delayed off

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Avoid clock off from delayed off when kickoff
is pending. This sequence is leading to mdp
clocks off and on which adds extra delay in
kickoff cycle.

Change-Id: Ia30ec3ac3c2e7602a32c9eb789cd85d4736b6c60
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
This commit is contained in:
Dhaval Patel 2015-12-21 16:27:52 -08:00 • committed by David Keitel
parent 7c1a00bcd3
commit 933552698c
4 changed files with 13 additions and 8 deletions
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4
drivers/video/fbdev/msm/mdss_fb.c
View file

@ -2,7 +2,7 @@
* Core MDSS framebuffer driver.
*
* Copyright (C) 2007 Google Incorporated
* Copyright (c) 2008-2015, The Linux Foundation. All rights reserved.
* Copyright (c) 2008-2016, The Linux Foundation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@ -3156,7 +3156,7 @@ int mdss_fb_atomic_commit(struct fb_info *info,
MSMFB_ATOMIC_COMMIT, 1);
ret = mfd->mdp.atomic_validate(mfd, file, commit_v1);
if (!ret)
mfd->validate_pending = true;
mfd->atomic_commit_pending = true;
}
goto end;
} else {

2
drivers/video/fbdev/msm/mdss_fb.h
View file

@ -273,7 +273,7 @@ struct msm_fb_data_type {
u32 idle_state;
struct delayed_work idle_notify_work;
bool validate_pending;
bool atomic_commit_pending;
int op_enable;
u32 fb_imgType;

11
drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c
View file

@ -689,12 +689,12 @@ int mdss_mdp_resource_control(struct mdss_mdp_ctl *ctl, u32 sw_event)
* 1. no kickoff has been scheduled
* 2. no stop command has been started
* 3. no autorefresh is enabled
* 4. no validate is pending
* 4. no commit is pending
*/
if ((PERF_STATUS_DONE == status) &&
!ctx->intf_stopped &&
(ctx->autorefresh_state == MDP_AUTOREFRESH_OFF) &&
!ctl->mfd->validate_pending) {
!ctl->mfd->atomic_commit_pending) {
pr_debug("schedule release after:%d ms\n",
jiffies_to_msecs
(CMD_MODE_IDLE_TIMEOUT));
@ -865,7 +865,7 @@ int mdss_mdp_resource_control(struct mdss_mdp_ctl *ctl, u32 sw_event)
* Driver will not allow off work under one condition:
* 1. Kickoff is pending.
*/
if (schedule_off && !ctl->mfd->validate_pending) {
if (schedule_off && !ctl->mfd->atomic_commit_pending) {
/*
* Schedule off work after cmd mode idle timeout is
* reached. This is to prevent the case where early wake
@ -1137,6 +1137,11 @@ static void clk_ctrl_delayed_off_work(struct work_struct *work)
return;
}
if (ctl->mfd->atomic_commit_pending) {
pr_debug("leave clocks on for queued kickoff\n");
return;
}
mdp5_data = mfd_to_mdp5_data(ctl->mfd);
ATRACE_BEGIN(__func__);

4
drivers/video/fbdev/msm/mdss_mdp_overlay.c
View file

@ -1994,11 +1994,11 @@ int mdss_mdp_overlay_kickoff(struct msm_fb_data_type *mfd,
}
/*
* release the validate flag; we are releasing this flag
* release the commit pending flag; we are releasing this flag
* after the commit, since now the transaction status
* in the cmd mode controllers is busy.
*/
mfd->validate_pending = false;
mfd->atomic_commit_pending = false;
if (!mdp5_data->kickoff_released)
mdss_mdp_ctl_notify(ctl, MDP_NOTIFY_FRAME_CTX_DONE);