Re: [Freedreno] [PATCH 2/2] drm/msm/dp: unplug interrupt missed after irq_hpd handler

2021-01-13 Thread khsieh
On 2021-01-13 12:23, Stephen Boyd wrote: Quoting khs...@codeaurora.org (2021-01-13 09:48:25) On 2021-01-11 11:54, Stephen Boyd wrote: > Quoting Kuogee Hsieh (2021-01-07 12:30:25) >> There is HPD unplug interrupts missed at scenario of an irq_hpd >> followed by unplug interrupts with around 10

Re: [Freedreno] [PATCH 2/2] drm/msm/dp: unplug interrupt missed after irq_hpd handler

2021-01-13 Thread Stephen Boyd
Quoting khs...@codeaurora.org (2021-01-13 09:48:25) > On 2021-01-11 11:54, Stephen Boyd wrote: > > Quoting Kuogee Hsieh (2021-01-07 12:30:25) > >> There is HPD unplug interrupts missed at scenario of an irq_hpd > >> followed by unplug interrupts with around 10 ms in between. > >> Since both

Re: [Freedreno] [PATCH 2/2] drm/msm/dp: unplug interrupt missed after irq_hpd handler

2021-01-13 Thread khsieh
On 2021-01-11 11:54, Stephen Boyd wrote: Quoting Kuogee Hsieh (2021-01-07 12:30:25) There is HPD unplug interrupts missed at scenario of an irq_hpd followed by unplug interrupts with around 10 ms in between. Since both AUX_SW_RESET and DP_SW_RESET clear pending HPD interrupts, irq_hpd handler

Re: [Freedreno] [PATCH 2/2] drm/msm/dp: unplug interrupt missed after irq_hpd handler

2021-01-11 Thread Stephen Boyd
Quoting Kuogee Hsieh (2021-01-07 12:30:25) > There is HPD unplug interrupts missed at scenario of an irq_hpd > followed by unplug interrupts with around 10 ms in between. > Since both AUX_SW_RESET and DP_SW_RESET clear pending HPD interrupts, > irq_hpd handler should not issues either aux or sw

[Freedreno] [PATCH 2/2] drm/msm/dp: unplug interrupt missed after irq_hpd handler

2021-01-07 Thread Kuogee Hsieh
There is HPD unplug interrupts missed at scenario of an irq_hpd followed by unplug interrupts with around 10 ms in between. Since both AUX_SW_RESET and DP_SW_RESET clear pending HPD interrupts, irq_hpd handler should not issues either aux or sw reset to avoid following unplug interrupt be cleared