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Commit 77edd61d authored by longzhao's avatar longzhao
Browse files

disp: msm: sde: avoid sde irq enable or disable when sde irq not active 



During the sde_irq_update, the sde irq may not be active, the enable
or disable will be nonsence. set the irq_num init value to negtive, if
this value change, means sde irq_num has been initial.

Change-Id: I7b23c662ccc9db0b38550897adb939305d941e6a
Signed-off-by: default avatarlongzhao <longzhao@codeaurora.org>
parent a245be26

msm/sde/sde_irq.c

+3 −1
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.

 * Copyright (c) 2015-2019, 2021, The Linux Foundation. All rights reserved.

 */



#define pr_fmt(fmt)	"[drm:%s:%d] " fmt, __func__, __LINE__
@@ -22,6 +22,8 @@ void sde_irq_update(struct msm_kms *msm_kms, bool enable) 
		SDE_ERROR("invalid kms arguments\n");

		return;

	}

	if (sde_kms->irq_num < 0)

		return;



	sde_kms->irq_enabled = enable;

msm/sde/sde_kms.c

+1 −0
Original line number Diff line number Diff line
@@ -4795,6 +4795,7 @@ struct msm_kms *sde_kms_init(struct drm_device *dev) 


	msm_kms_init(&sde_kms->base, &kms_funcs);

	sde_kms->dev = dev;

	sde_kms->irq_num = -1;



	return &sde_kms->base;

}