Re: [PATCH] drm/stm: Enable RPM during fbdev registration

2020-11-08 Thread Marek Vasut
On 11/6/20 5:13 PM, Yannick FERTRE wrote: Hi Marek, Hi, On 11/5/20 10:45 AM, Marek Vasut wrote: On 11/5/20 10:39 AM, Daniel Vetter wrote: On Wed, Nov 04, 2020 at 01:52:00PM +0100, Marek Vasut wrote: Enable runtime PM before registering the fbdev emulation and disable it afterward, otherwis

Re: [PATCH] drm/stm: Enable RPM during fbdev registration

2020-11-06 Thread Yannick FERTRE
Hi Marek, On 11/5/20 10:45 AM, Marek Vasut wrote: > On 11/5/20 10:39 AM, Daniel Vetter wrote: >> On Wed, Nov 04, 2020 at 01:52:00PM +0100, Marek Vasut wrote: >>> Enable runtime PM before registering the fbdev emulation and disable it >>> afterward, otherwise register access to the LTDC IP during t

Re: [PATCH] drm/stm: Enable RPM during fbdev registration

2020-11-06 Thread Marek Vasut
On 11/5/20 10:39 AM, Daniel Vetter wrote: On Wed, Nov 04, 2020 at 01:52:00PM +0100, Marek Vasut wrote: Enable runtime PM before registering the fbdev emulation and disable it afterward, otherwise register access to the LTDC IP during the fbdev emulation registration might hang the system. The p

Re: [PATCH] drm/stm: Enable RPM during fbdev registration

2020-11-05 Thread Daniel Vetter
On Wed, Nov 04, 2020 at 01:52:00PM +0100, Marek Vasut wrote: > Enable runtime PM before registering the fbdev emulation and disable it > afterward, otherwise register access to the LTDC IP during the fbdev > emulation registration might hang the system. > > The problem happens because RPM is activ