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Merge "disp: msm: sde: override qsync read pointer during IPC"

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qctecmdr
2022-10-20 19:18:13 -07:00
committed by Gerrit - the friendly Code Review server
parent adfcb0f857 5b30b4e9db
commit 2ea74a3bb2
1 changed files with 15 additions and 0 deletions
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15
msm/sde/sde_encoder_phys_cmd.c
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@@ -1223,7 +1223,9 @@ static void _sde_encoder_phys_cmd_pingpong_config(
static void sde_encoder_phys_cmd_enable_helper(
struct sde_encoder_phys *phys_enc)
{
struct sde_encoder_virt *sde_enc;
struct sde_hw_intf *hw_intf;
u32 qsync_mode;
if (!phys_enc || !phys_enc->hw_ctl || !phys_enc->hw_pp ||
!phys_enc->hw_intf) {
@@ -1245,6 +1247,19 @@ static void sde_encoder_phys_cmd_enable_helper(
hw_intf->ops.enable_wide_bus(hw_intf,
sde_encoder_is_widebus_enabled(phys_enc->parent));
/*
* Override internal rd_ptr value when coming out of IPC.
* This is required on QSYNC panel with low refresh rate to
* avoid out of sync frame trigger as panel rd_ptr was still
* incrementing while MDP was power collapsed.
*/
sde_enc = to_sde_encoder_virt(phys_enc->parent);
if (sde_enc->idle_pc_restore) {
qsync_mode = sde_connector_get_qsync_mode(phys_enc->connector);
if (qsync_mode)
sde_encoder_override_tearcheck_rd_ptr(phys_enc);
}
/*
* For pp-split, skip setting the flush bit for the slave intf, since
* both intfs use same ctl and HW will only flush the master.