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disp: msm: dp: handle panel_init when host is ready

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Currently, panel_init is getting executed even when
host is already ready. Handle panel_init such that
it will be called only as part of host ready. Handle
continuous splash case as well.

Change-Id: Id022fed099e1e1a87282c58bead839e68f502098
Signed-off-by: Nilesh Laad <quic_nlaad@quicinc.com>
Signed-off-by: Prahlad Valluru <quic_vvalluru@quicinc.com>
This commit is contained in:
Prahlad Valluru 2025-05-08 12:08:42 +05:30
commit 95cae124f2
3 changed files with 13 additions and 7 deletions
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9
msm/dp/dp_display.c
View file

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2023-2025 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
*/
@ -1185,6 +1185,7 @@ error_ctrl:
static int dp_display_panel_ready(struct dp_display_private *dp)
{
int rc = 0;
bool skip_op = is_skip_required(&dp->dp_display);
if (dp->dp_display.is_edp) {
rc = dp->power->edp_panel_set_gpio(dp->power, DP_GPIO_EDP_VCC_EN, true);
@ -1202,9 +1203,9 @@ static int dp_display_panel_ready(struct dp_display_private *dp)
}
return -ETIMEDOUT;
}
dp->panel->init(dp->panel, skip_op);
}
if (!dp->dp_display.cont_splash_enabled)
dp->panel->init(dp->panel);
return 0;
}
@ -1248,6 +1249,8 @@ static int dp_display_host_ready(struct dp_display_private *dp)
dp->ctrl->abort(dp->ctrl, false);
dp->aux->init(dp->aux, dp->parser->aux_cfg, skip_op);
dp->panel->init(dp->panel, skip_op);
dp_display_state_add(DP_STATE_READY);
/* log this as it results from user action of cable connection */
DP_INFO("[OK]\n");

7
msm/dp/dp_panel.c
View file

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2023, 2025 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.
*/
@ -2381,7 +2381,7 @@ error:
return rc;
}
static int dp_panel_init_panel_info(struct dp_panel *dp_panel)
static int dp_panel_init_panel_info(struct dp_panel *dp_panel, bool skip_op)
{
int rc = 0;
struct dp_panel_private *panel;
@ -2393,6 +2393,9 @@ static int dp_panel_init_panel_info(struct dp_panel *dp_panel)
goto end;
}
if (skip_op)
goto end;
panel = container_of(dp_panel, struct dp_panel_private, dp_panel);
pinfo = &dp_panel->pinfo;

4
msm/dp/dp_panel.h
View file

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2023, 2025 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
*/
@ -162,7 +162,7 @@ struct dp_panel {
s64 fec_overhead_fp;
int (*init)(struct dp_panel *dp_panel);
int (*init)(struct dp_panel *dp_panel, bool skip_op);
int (*deinit)(struct dp_panel *dp_panel, u32 flags);
int (*hw_cfg)(struct dp_panel *dp_panel, bool enable);
int (*read_sink_caps)(struct dp_panel *dp_panel,