On Wed, Feb 21, 2018 at 12:04:43AM +0000, Mustaffa, Mustamin B wrote:
> Hi Ville, 
> 
> Can you point out what makes you says the git diff is broken? 

Because your diff shows like the change was in vlv_ fucntion,
not on bxt_ one...

If it wasn't by the TODO comment block I'd reply that your code was
wrong. But I opened the code to check myself that TODO was only on
bxt function and that it was only your diff that was broken....

> 
> Best regard 
> 
> Mustamin
> 
> 
> -----Original Message-----
> From: Ville Syrjälä [mailto:[email protected]] 
> Sent: Tuesday, February 20, 2018 10:26 PM
> To: Mustaffa, Mustamin B <[email protected]>
> Cc: [email protected]
> Subject: Re: [Intel-gfx] [V4] drm/i915: Enable VBT based BL control for DP
> 
> On Tue, Feb 20, 2018 at 05:42:59PM +0800, Mustamin B Mustaffa wrote:
> > Currently, BXT_PP is hardcoded with value '0'.
> > It practically disabled eDP backlight on MRB (BXT) platform.
> > 
> > This patch will tell which BXT_PP registers (there are two set of 
> > PP_CONTROL in the spec) to be used as defined in VBT (Video Bios 
> > Timing
> > table) and this will enabled eDP backlight controller on MRB (BXT) 
> > platform.
> > 
> > v2:
> >  - Remove unnecessary information in commit message.
> >  - Assign vbt.backlight.controller to a backlight_controller variable and
> >    return the variable value.
> > v3:
> >  - Rebased to latest code base.
> >  - updated commit title.
> > V4:
> >  - Use sanitized panel backlight controller instead of vbt backlight
> >    controller
> > 
> > Signed-off-by: Mustamin B Mustaffa <[email protected]>
> > ---
> >  drivers/gpu/drm/i915/intel_dp.c | 11 ++++-------
> >  1 file changed, 4 insertions(+), 7 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_dp.c 
> > b/drivers/gpu/drm/i915/intel_dp.c index 1868f73..f9b922d 100644
> > --- a/drivers/gpu/drm/i915/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/intel_dp.c
> > @@ -655,18 +655,15 @@ static enum pipe vlv_find_free_pps(struct 
> > drm_i915_private *dev_priv)
> 
> Your git diff is clearly broken. This makes patch review harder than it has 
> to be. Please consider updating to a non-broken version.
> 
> >  {
> >     struct drm_i915_private *dev_priv = 
> > to_i915(intel_dp_to_dev(intel_dp));
> >  
> > +   int backlight_controller = 
> > +intel_dp->attached_connector->panel.backlight.controller;
> > +
> >     lockdep_assert_held(&dev_priv->pps_mutex);
> >  
> >     /* We should never land here with regular DP ports */
> >     WARN_ON(!intel_dp_is_edp(intel_dp));
> >  
> > -   /*
> > -    * TODO: BXT has 2 PPS instances. The correct port->PPS instance
> > -    * mapping needs to be retrieved from VBT, for now just hard-code to
> > -    * use instance #0 always.
> > -    */
> >     if (!intel_dp->pps_reset)
> > -           return 0;
> > +           return backlight_controller;
> >  
> >     intel_dp->pps_reset = false;
> >  
> > @@ -676,7 +673,7 @@ static enum pipe vlv_find_free_pps(struct 
> > drm_i915_private *dev_priv)
> >      */
> >     intel_dp_init_panel_power_sequencer_registers(intel_dp, false);
> >  
> > -   return 0;
> > +   return backlight_controller;
> >  }
> >  
> >  typedef bool (*vlv_pipe_check)(struct drm_i915_private *dev_priv,
> > --
> > 1.9.1
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > [email protected]
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> --
> Ville Syrjälä
> Intel OTC
> _______________________________________________
> Intel-gfx mailing list
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
_______________________________________________
Intel-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to