[Intel-gfx] [PATCH 3/3] drm/i915: Start using comparative INTEL_PCH_TYPE
Rodrigo Vivi
rodrigo.vivi at intel.com
Wed Mar 13 20:02:12 UTC 2019
On Wed, Mar 13, 2019 at 10:30:52AM -0700, Lucas De Marchi wrote:
> On Fri, Mar 08, 2019 at 01:43:00PM -0800, Rodrigo Vivi wrote:
> > In order to make it easier to bring up new platforms
> > without having to take care about all corner cases
> > that was previously taken care for previous platforms
> > we already use comparative INTEL_GEN statements.
> >
> > Let's start doing the same with PCH.
> >
> > The only caveats are:
> > - less-than comparisons need to be avoided or done with
> > attention and check > PCH_NONE as well.
> > - It is not necessarily a chronological order, but a matter
> > of south display compatibility/inheritance.
> >
> > v2: Rebased on top of Jani's clean-up which removed the
> > need for less-than comparison
> >
> > Cc: Jani Nikula <jani.nikula at intel.com>
> > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > Cc: Lucas De Marchi <lucas.demarchi at intel.com>
> > Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
>
>
> Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>
Thanks, series pushed.
>
> thanks
> Lucas De Marchi
>
>
> > ---
> > drivers/gpu/drm/i915/i915_drv.h | 6 ++++++
> > drivers/gpu/drm/i915/i915_irq.c | 7 ++-----
> > drivers/gpu/drm/i915/intel_cdclk.c | 2 +-
> > drivers/gpu/drm/i915/intel_dp.c | 3 +--
> > drivers/gpu/drm/i915/intel_panel.c | 5 ++---
> > 5 files changed, 12 insertions(+), 11 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> > index 8a57cdde5385..9a93accbb2e1 100644
> > --- a/drivers/gpu/drm/i915/i915_drv.h
> > +++ b/drivers/gpu/drm/i915/i915_drv.h
> > @@ -523,6 +523,12 @@ struct i915_psr {
> > u16 su_x_granularity;
> > };
> >
> > +/*
> > + * Sorted by south display engine compatibility.
> > + * If the new PCH comes with a south display engine that is not
> > + * inherited from the latest item, please do not add it to the
> > + * end. Instead, add it right after its "parent" PCH.
> > + */
> > enum intel_pch {
> > PCH_NOP = -1, /* PCH without south display */
> > PCH_NONE = 0, /* No PCH present */
> > diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> > index 1f4e984ce42f..c823d2e76852 100644
> > --- a/drivers/gpu/drm/i915/i915_irq.c
> > +++ b/drivers/gpu/drm/i915/i915_irq.c
> > @@ -2831,9 +2831,7 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl)
> >
> > if (HAS_PCH_ICP(dev_priv))
> > icp_irq_handler(dev_priv, iir);
> > - else if (HAS_PCH_SPT(dev_priv) ||
> > - HAS_PCH_KBP(dev_priv) ||
> > - HAS_PCH_CNP(dev_priv))
> > + else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT)
> > spt_irq_handler(dev_priv, iir);
> > else
> > cpt_irq_handler(dev_priv, iir);
> > @@ -4621,8 +4619,7 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
> > dev->driver->disable_vblank = gen8_disable_vblank;
> > if (IS_GEN9_LP(dev_priv))
> > dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup;
> > - else if (HAS_PCH_SPT(dev_priv) || HAS_PCH_KBP(dev_priv) ||
> > - HAS_PCH_CNP(dev_priv))
> > + else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT)
> > dev_priv->display.hpd_irq_setup = spt_hpd_irq_setup;
> > else
> > dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup;
> > diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c
> > index 7e5132772477..9d236e4ed26a 100644
> > --- a/drivers/gpu/drm/i915/intel_cdclk.c
> > +++ b/drivers/gpu/drm/i915/intel_cdclk.c
> > @@ -2723,7 +2723,7 @@ static int g4x_hrawclk(struct drm_i915_private *dev_priv)
> > */
> > void intel_update_rawclk(struct drm_i915_private *dev_priv)
> > {
> > - if (HAS_PCH_CNP(dev_priv) || HAS_PCH_ICP(dev_priv))
> > + if (INTEL_PCH_TYPE(dev_priv) >= PCH_CNP)
> > dev_priv->rawclk_freq = cnp_rawclk(dev_priv);
> > else if (HAS_PCH_SPLIT(dev_priv))
> > dev_priv->rawclk_freq = pch_rawclk(dev_priv);
> > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> > index f40b3342d82a..47857f96c3b1 100644
> > --- a/drivers/gpu/drm/i915/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/intel_dp.c
> > @@ -951,8 +951,7 @@ static void intel_pps_get_registers(struct intel_dp *intel_dp,
> > regs->pp_off = PP_OFF_DELAYS(pps_idx);
> >
> > /* Cycle delay moved from PP_DIVISOR to PP_CONTROL */
> > - if (IS_GEN9_LP(dev_priv) || HAS_PCH_CNP(dev_priv) ||
> > - HAS_PCH_ICP(dev_priv))
> > + if (IS_GEN9_LP(dev_priv) || INTEL_PCH_TYPE(dev_priv) >= PCH_CNP)
> > regs->pp_div = INVALID_MMIO_REG;
> > else
> > regs->pp_div = PP_DIVISOR(pps_idx);
> > diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
> > index beca98d2b035..edd5540639b0 100644
> > --- a/drivers/gpu/drm/i915/intel_panel.c
> > +++ b/drivers/gpu/drm/i915/intel_panel.c
> > @@ -1894,15 +1894,14 @@ intel_panel_init_backlight_funcs(struct intel_panel *panel)
> > panel->backlight.set = bxt_set_backlight;
> > panel->backlight.get = bxt_get_backlight;
> > panel->backlight.hz_to_pwm = bxt_hz_to_pwm;
> > - } else if (HAS_PCH_CNP(dev_priv) || HAS_PCH_ICP(dev_priv)) {
> > + } else if (INTEL_PCH_TYPE(dev_priv) >= PCH_CNP) {
> > panel->backlight.setup = cnp_setup_backlight;
> > panel->backlight.enable = cnp_enable_backlight;
> > panel->backlight.disable = cnp_disable_backlight;
> > panel->backlight.set = bxt_set_backlight;
> > panel->backlight.get = bxt_get_backlight;
> > panel->backlight.hz_to_pwm = cnp_hz_to_pwm;
> > - } else if (HAS_PCH_LPT(dev_priv) || HAS_PCH_SPT(dev_priv) ||
> > - HAS_PCH_KBP(dev_priv)) {
> > + } else if (INTEL_PCH_TYPE(dev_priv) >= PCH_LPT) {
> > panel->backlight.setup = lpt_setup_backlight;
> > panel->backlight.enable = lpt_enable_backlight;
> > panel->backlight.disable = lpt_disable_backlight;
> > --
> > 2.20.1
> >
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