enable HDP plugin/unplugged interrupts to hpd_enable/disable

[PATCH v1 0/2] enable HDP plugin/unplugged interrupts to hpd_enable/disable

Posted by Kuogee Hsieh 2 years, 9 months ago

There is bug report on exteranl DP display does not work.
This patch add below two patches to fix the problem.
1) enable HDP plugin/unplugged interrupts to hpd_enable/disable
2) add mutex to protect internal_hpd against race condition between different threads
    

Kuogee Hsieh (2):
  drm/msm/dp: enable HDP plugin/unplugged interrupts to
    hpd_enable/disable
  drm/msm/dp: add mutex to protect internal_hpd against race condition
    between different threads

 drivers/gpu/drm/msm/dp/dp_display.c | 37 +++++++++++++++++++++++--------------
 1 file changed, 23 insertions(+), 14 deletions(-)

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Re: [PATCH v1 0/2] enable HDP plugin/unplugged interrupts to hpd_enable/disable

Posted by Dmitry Baryshkov 2 years, 9 months ago

On 10/05/2023 23:31, Kuogee Hsieh wrote:
> There is bug report on exteranl DP display does not work.
> This patch add below two patches to fix the problem.
> 1) enable HDP plugin/unplugged interrupts to hpd_enable/disable
> 2) add mutex to protect internal_hpd against race condition between different threads
>      
> 
> Kuogee Hsieh (2):
>    drm/msm/dp: enable HDP plugin/unplugged interrupts to
>      hpd_enable/disable
>    drm/msm/dp: add mutex to protect internal_hpd against race condition
>      between different threads
> 
>   drivers/gpu/drm/msm/dp/dp_display.c | 37 +++++++++++++++++++++++--------------
>   1 file changed, 23 insertions(+), 14 deletions(-)
> 

BTW: Kuogee, what happened to the patchset promised at [1] ?

In the reply, [2], I asked you to remove DP_HPD_INIT_SETUP completely, 
and then you went silent.

[1] 
https://lore.kernel.org/dri-devel/4c733721-855a-85fd-82a9-9af0f80fc02e@quicinc.com/ 


[2] 
https://lore.kernel.org/dri-devel/358262c3-e501-3c7f-7502-f0323cdcc634@linaro.org/

-- 
With best wishes
Dmitry