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.hal...@arm.com>
Change-Id: Ib8e5e8319fdd768f8a97d9b5960fcfa8ba90eba3
---
 drivers/gpu/drm/arm/malidp_drv.c | 2 ++
 1 file changed, 2 insertions(+)

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;
 }
-- 
2.7.4

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

Reply via email to