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    Subject[PATCH 5/8] drm/arm/malidp: Enable/disable interrupts in runtime pm
    Date
    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(+)

    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
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