Re: [PATCH v2 3/3] drm/msm/dp: check main link status before start aux read

2021-04-15 Thread Stephen Boyd
Quoting khs...@codeaurora.org (2021-04-15 15:02:40) > On 2021-04-15 13:06, Stephen Boyd wrote: > > > > Is it really necessary to have this patch at all? I think there are > > bigger problems with suspend/resume of the DP driver in relation to the > > kthread stopping. I hope that the aux channel

Re: [PATCH v2 3/3] drm/msm/dp: check main link status before start aux read

2021-04-15 Thread khsieh
On 2021-04-15 13:06, Stephen Boyd wrote: Quoting khs...@codeaurora.org (2021-04-15 10:37:29) On 2021-04-14 14:09, Stephen Boyd wrote: > Quoting Kuogee Hsieh (2021-04-13 16:11:44) >> Make sure main link is in connection state before start aux >> read/write operation to avoid unnecessary long

Re: [PATCH v2 3/3] drm/msm/dp: check main link status before start aux read

2021-04-15 Thread Stephen Boyd
Quoting khs...@codeaurora.org (2021-04-15 10:37:29) > On 2021-04-14 14:09, Stephen Boyd wrote: > > Quoting Kuogee Hsieh (2021-04-13 16:11:44) > >> Make sure main link is in connection state before start aux > >> read/write operation to avoid unnecessary long delay due to > >> main link had been

Re: [PATCH v2 3/3] drm/msm/dp: check main link status before start aux read

2021-04-15 Thread khsieh
On 2021-04-14 14:09, Stephen Boyd wrote: Quoting Kuogee Hsieh (2021-04-13 16:11:44) Make sure main link is in connection state before start aux read/write operation to avoid unnecessary long delay due to main link had been unplugged. Signed-off-by: Kuogee Hsieh ---

Re: [PATCH v2 3/3] drm/msm/dp: check main link status before start aux read

2021-04-14 Thread Stephen Boyd
Quoting Kuogee Hsieh (2021-04-13 16:11:44) > Make sure main link is in connection state before start aux > read/write operation to avoid unnecessary long delay due to > main link had been unplugged. > > Signed-off-by: Kuogee Hsieh > --- > drivers/gpu/drm/msm/dp/dp_aux.c | 5 + >

[PATCH v2 3/3] drm/msm/dp: check main link status before start aux read

2021-04-13 Thread Kuogee Hsieh
Make sure main link is in connection state before start aux read/write operation to avoid unnecessary long delay due to main link had been unplugged. Signed-off-by: Kuogee Hsieh --- drivers/gpu/drm/msm/dp/dp_aux.c | 5 + drivers/gpu/drm/msm/dp/dp_link.c | 20 +++- 2 files