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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2026-08-27 10:23:44 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2026-09-10 09:47:31 +0200 |
| commit | 6ddd3164f656a9af531b7180c64a158b55d12acc (patch) | |
| tree | 4804779993d77ff72d6c6cee5b28c196981602fa /drivers/gpu/drm/hisilicon | |
| parent | 0878e6053d01d87c75bb1d00b0187e8a2e105ead (diff) | |
| download | linux-next-6ddd3164f656a9af531b7180c64a158b55d12acc.tar.gz linux-next-6ddd3164f656a9af531b7180c64a158b55d12acc.zip | |
drm/hibmc: Return IRQ_NONE for unhandled interrupts
Let the kernel know if hibmc did not handle an interrupt. Allows
the kernel to detect spurious interrupts and maintain diagnostics.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Yongbang Shi <shiyongbang@huawei.com>
Link: https://patch.msgid.link/20260827082915.61176-2-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/hisilicon')
| -rw-r--r-- | drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 4d85c89f3f88..602930964e93 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -49,9 +49,10 @@ static irqreturn_t hibmc_interrupt(int irq, void *arg) writel(HIBMC_RAW_INTERRUPT_VBLANK(1), priv->mmio + HIBMC_RAW_INTERRUPT); drm_handle_vblank(dev, 0); + return IRQ_HANDLED; } - return IRQ_HANDLED; + return IRQ_NONE; } static irqreturn_t hibmc_dp_interrupt(int irq, void *arg) @@ -67,7 +68,7 @@ static irqreturn_t hibmc_dp_interrupt(int irq, void *arg) return IRQ_WAKE_THREAD; } - return IRQ_HANDLED; + return IRQ_NONE; } static int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev, |