On Thu, Jul 11, 2019 at 04:15:41PM -0700, Manasi Navare wrote:
> On Thu, Jul 11, 2019 at 01:38:41PM +0300, Ville Syrjälä wrote:
> > On Wed, Jul 10, 2019 at 02:39:50PM -0700, Manasi Navare wrote:
> > > On ICL+, the vertical limits for the transcoders are increased to 8192 so
> > > bump up
> > > limits in intel_mode_valid()
> > >
> > > v3:
> > > * Supported starting ICL (Ville)
> > > * Use the higher limits from TRANS_VTOTAL register (Ville)
> > > v2:
> > > * Checkpatch warning (Manasi)
> > >
> > > Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
> > > Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
> > > Signed-off-by: Manasi Navare <manasi.d.nav...@intel.com>
> > > ---
> > > drivers/gpu/drm/i915/display/intel_display.c | 9 +++++++--
> > > 1 file changed, 7 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> > > b/drivers/gpu/drm/i915/display/intel_display.c
> > > index f07081815b80..9883f607bb88 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > > @@ -15764,8 +15764,13 @@ intel_mode_valid(struct drm_device *dev,
> > > DRM_MODE_FLAG_CLKDIV2))
> > > return MODE_BAD;
> > >
> > > - if (INTEL_GEN(dev_priv) >= 9 ||
> > > - IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) {
> > > + if (INTEL_GEN(dev_priv) >= 11) {
> > > + hdisplay_max = 8192;
> > > + vdisplay_max = 8192;
> >
> > The horiz limits should be 16k.
>
> So the TRANS_HTOTAL has had 14 bits so allowed 16K even for Gen9+, should
> this be changed for all?
I think you're looking at the wrong docs if you see 14 bits.
--
Ville Syrjälä
Intel
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