Re: [PATCH v2] drm/mediatek: dp: Only trigger DRM HPD events if bridge is attached

2023-03-12 Thread Chun-Kuang Hu
Hi, Chen-Yu: Chen-Yu Tsai 於 2023年2月2日 週四 下午12:57寫道: > > The MediaTek DisplayPort interface bridge driver starts its interrupts > as soon as its probed. However when the interrupts trigger the bridge > might not have been attached to a DRM device. As drm_helper_hpd_irq_event() > does not check

Re: [PATCH v2] drm/mediatek: dp: Only trigger DRM HPD events if bridge is attached

2023-02-02 Thread Matthias Brugger
On 02/02/2023 05:57, Chen-Yu Tsai wrote: The MediaTek DisplayPort interface bridge driver starts its interrupts as soon as its probed. However when the interrupts trigger the bridge might not have been attached to a DRM device. As drm_helper_hpd_irq_event() does not check whether the passed

Re: [PATCH v2] drm/mediatek: dp: Only trigger DRM HPD events if bridge is attached

2023-02-02 Thread AngeloGioacchino Del Regno
Il 02/02/23 05:57, Chen-Yu Tsai ha scritto: The MediaTek DisplayPort interface bridge driver starts its interrupts as soon as its probed. However when the interrupts trigger the bridge might not have been attached to a DRM device. As drm_helper_hpd_irq_event() does not check whether the passed

[PATCH v2] drm/mediatek: dp: Only trigger DRM HPD events if bridge is attached

2023-02-01 Thread Chen-Yu Tsai
The MediaTek DisplayPort interface bridge driver starts its interrupts as soon as its probed. However when the interrupts trigger the bridge might not have been attached to a DRM device. As drm_helper_hpd_irq_event() does not check whether the passed in drm_device is valid or not, a NULL pointer