Am Mittwoch, den 15.08.2012, 16:31 +0200 schrieb Paul Menzel: > Date: Wed, 8 Aug 2012 23:12:19 +0200 > > < ajax> i would preface this whole discussion with the observation that all tvs are garbage > > Connecting the Philips 32PFL5404H [1] a garbled screen is shown with > vertical stripes in the top half. > > As written in the referenced Bugzilla #26294 report I am pretty sure > this worked sometime before 2010. My guess is that EDID beforehand was > interpreted incorrectly – as probably MS Windows does – which made it > work. > > In commit bc42aabc [2] > > commit bc42aabc6a01b92b0f961d65671564e0e1cd7592 > Author: Adam Jackson <ajax@xxxxxxxxxx> > Date: Wed May 23 16:26:54 2012 -0400 > > drm/edid/quirks: ViewSonic VA2026w > > Adam Jackson added the quirk `EDID_QUIRK_FORCE_REDUCED_BLANKING` which > is also needed for this Philips TV. > > The problem is that the Model number is set to zero. I hope this will > not break other Philips TVs out there. > > All log files and output from `xrandr` is included in the referenced > Bugzilla report #26294. > > [1] http://www.p4c.philips.com/cgi-bin/dcbint/cpindex.pl?ctn=32PFL5404H/12&scy=DE&slg=de > [2] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=bc42aabc6a01b92b0f961d65671564e0e1cd7592 > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=26294 > Tested-by: Paul Menzel <paulepanter@xxxxxxxxxxxxxxxxxxxxx> > (ASUS Eee PC 701 4G with Debian Sid/unstable connected over VGA) > Signed-off-by: Paul Menzel <paulepanter@xxxxxxxxxxxxxxxxxxxxx> > Cc: <dri-devel@xxxxxxxxxxxxxxxxxxxxx> > Cc: Adam Jackson <ajax@xxxxxxxxxx> > Cc: Ian Pilcher <arequipeno@xxxxxxxxx> > Cc: <stable@xxxxxxxxxxxxxxx> > --- > Ian, I did not base this patch on your series, to make it easier to get > back ported. I can easily rebase it though, so hopefully some maintainer > can tell me what to do. > > I also do not know if URLs in the quirk comments are considered useful > or not. > --- > drivers/gpu/drm/drm_edid.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c > index a8743c3..eb452e6 100644 > --- a/drivers/gpu/drm/drm_edid.c > +++ b/drivers/gpu/drm/drm_edid.c > @@ -111,6 +111,11 @@ static struct edid_quirk { > { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE }, > { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE }, > > + /* Philips 32PFL5404H TV */ > + /* http://www.p4c.philips.com/cgi-bin/dcbint/cpindex.pl?ctn=32PFL5404H/12&scy=DE&slg=de */ > + /* https://bugs.freedesktop.org/show_bug.cgi?id=26294 */ > + { "PHL", 0, EDID_QUIRK_FORCE_REDUCED_BLANKING }, > + > /* Philips 107p5 CRT */ > { "PHL", 57364, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, Testing another TV (LG SL80), I had had the same problems with, with a Lenovo T60, it worked fine without the patch [1]. Therefore the problems seems to be something else and needs further investigation. Please do not commit this patch. Thanks, Paul [3] https://bugs.freedesktop.org/show_bug.cgi?id=53544#c5
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