Hi Jernej,
On Thu, Mar 08, 2018 at 11:57:40PM +0100, Jernej Škrabec wrote:
> Hi,
>
> Dne četrtek, 08. marec 2018 ob 23:47:17 CET je Ondřej Jirman napisal(a):
> > Hi,
> >
> > On Thu, Mar 01, 2018 at 10:34:32PM +0100, Jernej Skrabec wrote:
> > > Currently exclusive TCON clock lock is never release
Hi,
Dne petek, 09. marec 2018 ob 01:44:55 CET je Ondřej Jirman napisal(a):
> Hi,
>
> I've debugged this further and it seems that the code has incorrect
> assumptions. See docs for mode_set_nofb.
>
> https://elixir.bootlin.com/linux/v4.16-rc4/source/include/drm/drm_modeset_he
> lper_vtables.h#L2
Hi,
On Fri, Mar 09, 2018 at 07:19:33AM +0100, Jernej Škrabec wrote:
> Hi,
>
> Dne petek, 09. marec 2018 ob 01:44:55 CET je Ondřej Jirman napisal(a):
> > Hi,
> >
> > I've debugged this further and it seems that the code has incorrect
> > assumptions. See docs for mode_set_nofb.
> >
> > https://e
Hi,
I've debugged this further and it seems that the code has incorrect assumptions.
See docs for mode_set_nofb.
https://elixir.bootlin.com/linux/v4.16-rc4/source/include/drm/drm_modeset_helper_vtables.h#L209
I've added traces to a few functions that call clk_.*exclusive.*() functions,
and I see
Hi,
On Thu, Mar 01, 2018 at 10:34:32PM +0100, Jernej Skrabec wrote:
> Currently exclusive TCON clock lock is never released, which, for
> example, prevents changing resolution on HDMI.
>
> In order to fix that, release clock when disabling TCON. TCON is always
> disabled first before new mode is
Hi,
Dne četrtek, 08. marec 2018 ob 23:47:17 CET je Ondřej Jirman napisal(a):
> Hi,
>
> On Thu, Mar 01, 2018 at 10:34:32PM +0100, Jernej Skrabec wrote:
> > Currently exclusive TCON clock lock is never released, which, for
> > example, prevents changing resolution on HDMI.
> >
> > In order to fix
Currently exclusive TCON clock lock is never released, which, for
example, prevents changing resolution on HDMI.
In order to fix that, release clock when disabling TCON. TCON is always
disabled first before new mode is set.
Signed-off-by: Jernej Skrabec
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drivers/gpu/drm/sun4i/sun4i_tcon.c |