diff options
| author | Ayan Kumar Halder <ayan.halder@arm.com> | 2018-05-15 19:04:17 +0300 |
|---|---|---|
| committer | Liviu Dudau <Liviu.Dudau@arm.com> | 2018-07-05 17:19:08 +0300 |
| commit | fbcc454e8a350b929cb04fbcfdfa72fab37acf38 (patch) | |
| tree | 586e55af768a8c0a1a6608f0538477410897e6c0 | |
| parent | ff8fc26a764acdf5e0a2f86430bcb96c7b4eebec (diff) | |
| download | linux-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>
| -rw-r--r-- | drivers/gpu/drm/arm/malidp_drv.c | 4 |
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; } |