TechPanelGM/kernel_xiaomi_sm8250
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Merge tag 'LA.UM.9.12.r1-15100-SMxx50.QSSI13.0' of https://git.codelinaro.org/clo/la/platform/vendor/opensource/display-drivers into android13-4.19-kona

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"LA.UM.9.12.r1-15100-SMxx50.QSSI13.0"

* tag 'LA.UM.9.12.r1-15100-SMxx50.QSSI13.0' of https://git.codelinaro.org/clo/la/platform/vendor/opensource/display-drivers:
  disp: msm: dp: disable ASSR before link training
  disp: msm: dsi: clear the panel esd_recovery_pending in power on commit

Change-Id: I3452dbc689d042edee94b74b7e85e320a996064d
This commit is contained in:
Michael Bestas
2023-01-03 20:49:45 +02:00
parent 80d310ce24 7751ac5aaa
commit d230856d41
2 changed files with 9 additions and 2 deletions
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8
techpack/display/msm/dp/dp_catalog.c
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@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
*/
@@ -986,7 +987,12 @@ static void dp_catalog_ctrl_config_ctrl(struct dp_catalog_ctrl *ctrl, u8 ln_cnt)
io_data = catalog->io.dp_link;
cfg = dp_read(DP_CONFIGURATION_CTRL);
cfg &= ~(BIT(4) | BIT(5));
/*
* Reset ASSR (alternate scrambler seed reset) by resetting BIT(10).
* ASSR should be set to disable for TPS4 link training pattern.
* Forcing it to 0 as the power on reset value of register enables it.
*/
cfg &= ~(BIT(4) | BIT(5) | BIT(10));
cfg |= (ln_cnt - 1) << 4;
dp_write(DP_CONFIGURATION_CTRL, cfg);

3
techpack/display/msm/dsi/dsi_drm.c
View File

@@ -176,7 +176,8 @@ static void dsi_bridge_pre_enable(struct drm_bridge *bridge)
return;
}
atomic_set(&c_bridge->display->panel->esd_recovery_pending, 0);
if (bridge->encoder->crtc->state->active_changed)
atomic_set(&c_bridge->display->panel->esd_recovery_pending, 0);
/* By this point mode should have been validated through mode_fixup */
rc = dsi_display_set_mode(c_bridge->display,