Re: [PATCH v2] drm/tegra: Turn off and reset hardware across suspend-resume

2019-11-17 Thread Dmitry Osipenko
14.11.2019 23:31, Thierry Reding пишет: > On Sun, Aug 11, 2019 at 09:39:32PM +0300, Dmitry Osipenko wrote: >> The drivers core bumps runtime PM refcount during of entering into >> suspend to workaround some problem where parent device may become turned >> off before its children. In order to disabl

Re: [PATCH v2] drm/tegra: Turn off and reset hardware across suspend-resume

2019-11-14 Thread Thierry Reding
On Sun, Aug 11, 2019 at 09:39:32PM +0300, Dmitry Osipenko wrote: > The drivers core bumps runtime PM refcount during of entering into > suspend to workaround some problem where parent device may become turned > off before its children. In order to disable and reset CRTCs/HDMI/etc > hardware, the ru

Re: [PATCH v2] drm/tegra: Turn off and reset hardware across suspend-resume

2019-11-10 Thread Dmitry Osipenko
11.08.2019 21:39, Dmitry Osipenko пишет: > The drivers core bumps runtime PM refcount during of entering into > suspend to workaround some problem where parent device may become turned > off before its children. In order to disable and reset CRTCs/HDMI/etc > hardware, the runtime PM needs to be "fo

[PATCH v2] drm/tegra: Turn off and reset hardware across suspend-resume

2019-08-11 Thread Dmitry Osipenko
The drivers core bumps runtime PM refcount during of entering into suspend to workaround some problem where parent device may become turned off before its children. In order to disable and reset CRTCs/HDMI/etc hardware, the runtime PM needs to be "forced" into suspend mode. Signed-off-by: Dmitry O