Hi, On Mon, Aug 25, 2014 at 05:25:18PM +0200, Andreas Färber wrote: > Hi, > > Am 25.08.2014 15:47, schrieb Hans de Goede: > > On 08/25/2014 03:39 PM, Thierry Reding wrote: > >> On Mon, Aug 25, 2014 at 02:44:10PM +0200, Maxime Ripard wrote: > >>> On Mon, Aug 25, 2014 at 02:12:30PM +0200, Thierry Reding wrote: > >>>> On Wed, Aug 13, 2014 at 07:01:06PM +0200, Maxime Ripard wrote: > >>>>> On Wed, Aug 13, 2014 at 10:38:09AM -0600, Stephen Warren wrote: > >>>>>> If not, perhaps the clock driver should force the clock to be > >>>>>> enabled (perhaps only if the DRM/KMS driver isn't enabled?). > [...] > > As for the suggestion to simply never disable the plls / ahb gates by blocking > > them from ever being disabled in the sunxi clock driver, that is not really > > a solution either, as we want to be able to turn these things off to safe > > power on screen blank once control has been turned over to the kms driver. > > Without wanting to take sides on the simplefb matter, can't you just use > clk_ignore_unused in bootargs to work around the issue at hand? > That's what I do on the Spring Chromebook. Leaving *all* the clocks enabled just to workaround a driver failing to grab its clocks doesn't look like a solution either. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
Attachment:
signature.asc
Description: Digital signature
