On Tue, Sep 20, 2022 at 12:01:36AM -0700, Lucas De Marchi wrote: > On Mon, Sep 19, 2022 at 11:56:59AM -0300, Gustavo Sousa wrote: > > Make the code more readable, which will be more apparent as new > > platforms with different hotplug inversion needs are added. > > > > Signed-off-by: Gustavo Sousa <gustavo.sousa@xxxxxxxxx> > > --- > > drivers/gpu/drm/i915/i915_irq.c | 25 ++++++++++++++++--------- > > 1 file changed, 16 insertions(+), 9 deletions(-) > > > > diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c > > index de06f293e173..c53d21ae197f 100644 > > --- a/drivers/gpu/drm/i915/i915_irq.c > > +++ b/drivers/gpu/drm/i915/i915_irq.c > > @@ -3263,6 +3263,21 @@ static void cherryview_irq_reset(struct drm_i915_private *dev_priv) > > spin_unlock_irq(&dev_priv->irq_lock); > > } > > > > +static void setup_hotplug_inversion(struct drm_i915_private *dev_priv) > > new users of drm_i915_private should use "i915" as variable name rather > than dev_priv. Thanks. I will update this. Is there any documentation where we can find information like this? > > other than that, Reviewed-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> > > > Lucas De Marchi > > > +{ > > + u32 invert_bits; > > + > > + if (HAS_PCH_DG1(dev_priv)) > > + invert_bits = INVERT_DDIA_HPD | > > + INVERT_DDIB_HPD | > > + INVERT_DDIC_HPD | > > + INVERT_DDID_HPD; > > + else > > + return; > > + > > + intel_uncore_rmw(&dev_priv->uncore, SOUTH_CHICKEN1, 0, invert_bits); > > +} > > + > > static u32 ibx_hotplug_enables(struct drm_i915_private *i915, > > enum hpd_pin pin) > > { > > @@ -3413,15 +3428,7 @@ static u32 gen11_hotplug_enables(struct drm_i915_private *i915, > > > > static void dg1_hpd_irq_setup(struct drm_i915_private *dev_priv) > > { > > - u32 val; > > - > > - val = intel_uncore_read(&dev_priv->uncore, SOUTH_CHICKEN1); > > - val |= (INVERT_DDIA_HPD | > > - INVERT_DDIB_HPD | > > - INVERT_DDIC_HPD | > > - INVERT_DDID_HPD); > > - intel_uncore_write(&dev_priv->uncore, SOUTH_CHICKEN1, val); > > - > > + setup_hotplug_inversion(dev_priv); > > icp_hpd_irq_setup(dev_priv); > > } > > > > -- > > 2.37.3 > >