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

Merge "msm: mdss: update lineptr instantly in cmd mode panels w/autorefresh"

Browse source
This commit is contained in:
Linux Build Service Account 2016-08-26 14:48:43 -07:00 • committed by Gerrit - the friendly Code Review server
commit 9970bd4123
1 changed files with 37 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

40
drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c
View file

@ -903,6 +903,22 @@ exit:
return rc;
}
static bool mdss_mdp_cmd_is_autorefresh_enabled(struct mdss_mdp_ctl *mctl)
{
struct mdss_mdp_cmd_ctx *ctx = mctl->intf_ctx[MASTER_CTX];
bool enabled = false;
/* check the ctl to make sure the lock was initialized */
if (!ctx || !ctx->ctl)
return 0;
mutex_lock(&ctx->autorefresh_lock);
if (ctx->autorefresh_state == MDP_AUTOREFRESH_ON)
enabled = true;
mutex_unlock(&ctx->autorefresh_lock);
return enabled;
}
static inline void mdss_mdp_cmd_clk_on(struct mdss_mdp_cmd_ctx *ctx)
{
@ -1069,7 +1085,7 @@ static void mdss_mdp_cmd_intf_callback(void *data, int event)
}
}
static void mdss_mdp_cmd_writeptr_done(void *arg)
static void mdss_mdp_cmd_lineptr_done(void *arg)
{
struct mdss_mdp_ctl *ctl = arg;
struct mdss_mdp_cmd_ctx *ctx = ctl->intf_ctx[MASTER_CTX];
@ -1082,6 +1098,7 @@ static void mdss_mdp_cmd_writeptr_done(void *arg)
}
lineptr_time = ktime_get();
pr_debug("intr lineptr_time=%lld\n", ktime_to_ms(lineptr_time));
spin_lock(&ctx->clk_lock);
list_for_each_entry(tmp, &ctx->lineptr_handlers, list) {
@ -1376,6 +1393,19 @@ static int mdss_mdp_cmd_lineptr_ctrl(struct mdss_mdp_ctl *ctl, bool enable)
return rc;
}
/*
* Interface used to update the new lineptr value set by the sysfs node.
* Value is instantly updated only when autorefresh is enabled, else
* new value would be set in the next kickoff.
*/
static int mdss_mdp_cmd_update_lineptr(struct mdss_mdp_ctl *ctl, bool enable)
{
if (mdss_mdp_cmd_is_autorefresh_enabled(ctl))
return mdss_mdp_cmd_lineptr_ctrl(ctl, enable);
return 0;
}
/**
* mdss_mdp_cmd_autorefresh_pp_done() - pp done irq callback for autorefresh
* @arg: void pointer to the controller context.
@ -1423,7 +1453,10 @@ static void pingpong_done_work(struct work_struct *work)
if (!ctl->is_master)
ctl = mdss_mdp_get_main_ctl(ctl);
if (mdss_mdp_is_lineptr_supported(ctl))
/* do not disable lineptr when autorefresh is enabled */
if (mdss_mdp_is_lineptr_supported(ctl)
&& !mdss_mdp_cmd_is_autorefresh_enabled(ctl))
mdss_mdp_cmd_lineptr_ctrl(ctl, false);
}
}
@ -3182,7 +3215,7 @@ static int mdss_mdp_cmd_ctx_setup(struct mdss_mdp_ctl *ctl,
ctx->default_pp_num, mdss_mdp_cmd_readptr_done, ctl);
mdss_mdp_set_intr_callback(MDSS_MDP_IRQ_TYPE_PING_PONG_WR_PTR,
ctx->default_pp_num, mdss_mdp_cmd_writeptr_done, ctl);
ctx->default_pp_num, mdss_mdp_cmd_lineptr_done, ctl);
ret = mdss_mdp_cmd_tearcheck_setup(ctx, false);
if (ret)
@ -3447,6 +3480,7 @@ int mdss_mdp_cmd_start(struct mdss_mdp_ctl *ctl)
ctl->ops.early_wake_up_fnc = mdss_mdp_cmd_early_wake_up;
ctl->ops.reconfigure = mdss_mdp_cmd_reconfigure;
ctl->ops.pre_programming = mdss_mdp_cmd_pre_programming;
ctl->ops.update_lineptr = mdss_mdp_cmd_update_lineptr;
pr_debug("%s:-\n", __func__);
return 0;