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Merge tag 'LA.UM.9.14.r1-26000-LAHAINA.QSSI15.0' of https://git.codelinaro.org/clo/la/platform/vendor/opensource/display-drivers into android13-5.4-lahaina

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LA.UM.9.14.r1-26000-LAHAINA.QSSI15.0

# By Jayasri Sampath Kumaran
# Via Karthik Veeranki (1) and Linux Build Service Account (1)
* tag 'clo/display-drivers/LA.UM.9.14.r1-26000-LAHAINA.QSSI15.0':
  disp: msm: sde: fix kms NULL pointer access in encoder IRQ control

Change-Id: I52a1f3a27d8eed895e1db8a48f15c225d1c1c3ea
This commit is contained in:
Tommy Webb 2025-03-24 20:59:24 +00:00 • committed by t-m-w
commit 91ab127ff9
1 changed files with 9 additions and 2 deletions
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11
techpack/display/msm/sde/sde_encoder.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2014-2021, The Linux Foundation. All rights reserved.
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
@ -1434,6 +1434,7 @@ static int _sde_encoder_update_rsc_client(
void sde_encoder_irq_control(struct drm_encoder *drm_enc, bool enable)
{
struct sde_encoder_virt *sde_enc;
struct sde_kms *sde_kms = NULL;
int i;
if (!drm_enc) {
@ -1441,6 +1442,12 @@ void sde_encoder_irq_control(struct drm_encoder *drm_enc, bool enable)
return;
}
sde_kms = sde_encoder_get_kms(drm_enc);
if (!sde_kms) {
SDE_ERROR("invalid kms\n");
return;
}
sde_enc = to_sde_encoder_virt(drm_enc);
SDE_DEBUG_ENC(sde_enc, "enable:%d\n", enable);
@ -1450,7 +1457,7 @@ void sde_encoder_irq_control(struct drm_encoder *drm_enc, bool enable)
if (phys && phys->ops.irq_control)
phys->ops.irq_control(phys, enable);
}
sde_kms_cpu_vote_for_irq(sde_encoder_get_kms(drm_enc), enable);
sde_kms_cpu_vote_for_irq(sde_kms, enable);
}