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authorAyan Kumar Halder <ayan.halder@arm.com>2018-05-15 19:04:17 +0300
committerLiviu Dudau <Liviu.Dudau@arm.com>2018-07-05 17:19:08 +0300
commitfbcc454e8a350b929cb04fbcfdfa72fab37acf38 (patch)
tree586e55af768a8c0a1a6608f0538477410897e6c0 /drivers/gpu/drm/arm
parentff8fc26a764acdf5e0a2f86430bcb96c7b4eebec (diff)
downloadlinux-fbcc454e8a350b929cb04fbcfdfa72fab37acf38.tar.xz
drm/arm/malidp: Enable/disable interrupts in runtime pm
Display and scaling engine interrupts need to be disabled when the runtime pm invokes malidp_runtime_pm_suspend(). Conversely, they need to be enabled in malidp_runtime_pm_resume(). This patch depends on: https://lkml.org/lkml/2017/5/15/695 Reported-by: Alexandru-Cosmin Gheorghe <Alexandru-Cosmin.Gheorghe@arm.com> Signed-off-by: Alexandru-Cosmin Gheorghe <Alexandru-Cosmin.Gheorghe@arm.com> Signed-off-by: Ayan Kumar Halder <ayan.halder@arm.com> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Diffstat (limited to 'drivers/gpu/drm/arm')
-rw-r--r--drivers/gpu/drm/arm/malidp_drv.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 16fa089fa8be..125be226bf6c 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -582,6 +582,8 @@ 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_se_irq_fini(hwdev);
+ malidp_de_irq_fini(hwdev);
hwdev->pm_suspended = true;
clk_disable_unprepare(hwdev->mclk);
clk_disable_unprepare(hwdev->aclk);
@@ -600,6 +602,8 @@ 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);
+ malidp_se_irq_hw_init(hwdev);
return 0;
}