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[5/8] drm/arm/malidp: Enable/disable interrupts in runtime pm

Message ID 1522083800-30100-6-git-send-email-ayan.halder@arm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ayan Halder March 26, 2018, 5:03 p.m. UTC 
Display engine and core interrupts need to be disabled when the
system invokes malidp_runtime_pm_suspend. Consequently, they
need to be enabled in malidp_runtime_pm_resume.

Signed-off-by: Ayan Kumar Halder <ayan.halder@arm.com>
Change-Id: Ib8e5e8319fdd768f8a97d9b5960fcfa8ba90eba3
---
 drivers/gpu/drm/arm/malidp_drv.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index f7a8beb..e5a1fa0 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -470,6 +470,7 @@  static int malidp_runtime_pm_suspend(struct device *dev)
 	/* we can only suspend if the hardware is in config mode */
 	WARN_ON(!hwdev->hw->in_config_mode(hwdev));
 
+	malidp_de_irq_fini(hwdev);
 	hwdev->pm_suspended = true;
 	clk_disable_unprepare(hwdev->mclk);
 	clk_disable_unprepare(hwdev->aclk);
@@ -488,6 +489,7 @@  static int malidp_runtime_pm_resume(struct device *dev)
 	clk_prepare_enable(hwdev->aclk);
 	clk_prepare_enable(hwdev->mclk);
 	hwdev->pm_suspended = false;
+	malidp_de_irq_hw_init(hwdev);
 
 	return 0;
 }