tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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drm/msm/adreno: Use IRQF_NO_AUTOEN flag in request_irq()

disable_irq() after request_irq() still has a time gap in which
interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will
disable IRQ auto-enable when request IRQ.

Fixes: 4b565ca5a2cb ("drm/msm: Add A6XX device support")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Patchwork: https://patchwork.freedesktop.org/patch/614075/
Signed-off-by: Rob Clark <robdclark@chromium.org>

authored by

Jinjie Ruan and committed by
Rob Clark 394679f3 7d39ef94

+1 -3
+1 -3
drivers/gpu/drm/msm/adreno/a6xx_gmu.c
··· 1522 1522 1523 1523 irq = platform_get_irq_byname(pdev, name); 1524 1524 1525 - ret = request_irq(irq, handler, IRQF_TRIGGER_HIGH, name, gmu); 1525 + ret = request_irq(irq, handler, IRQF_TRIGGER_HIGH | IRQF_NO_AUTOEN, name, gmu); 1526 1526 if (ret) { 1527 1527 DRM_DEV_ERROR(&pdev->dev, "Unable to get interrupt %s %d\n", 1528 1528 name, ret); 1529 1529 return ret; 1530 1530 } 1531 - 1532 - disable_irq(irq); 1533 1531 1534 1532 return irq; 1535 1533 }