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Date: Thu, 13 Oct 2016 17:40:30 -0300 From: Paulo Zanoni <paulo.r.zanoni@...el.com> To: Lyude <cpaul@...hat.com>, intel-gfx@...ts.freedesktop.org Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Ville Syrjälä <ville.syrjala@...ux.intel.com>, Daniel Vetter <daniel.vetter@...el.com>, Jani Nikula <jani.nikula@...ux.intel.com>, David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 08/10] drm/i915/gen9: Add skl_wm_level_equals() Em Sex, 2016-10-07 às 20:11 -0400, Lyude escreveu: > Helper we're going to be using for implementing verification of the > wm > levels in skl_verify_wm_level(). > > Signed-off-by: Lyude <cpaul@...hat.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@...el.com> > Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com> > Cc: Ville Syrjälä <ville.syrjala@...ux.intel.com> > Cc: Paulo Zanoni <paulo.r.zanoni@...el.com> > --- > drivers/gpu/drm/i915/intel_drv.h | 2 ++ > drivers/gpu/drm/i915/intel_pm.c | 14 ++++++++++++++ > 2 files changed, 16 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_drv.h > b/drivers/gpu/drm/i915/intel_drv.h > index 73a2d16d..3e6e9af 100644 > --- a/drivers/gpu/drm/i915/intel_drv.h > +++ b/drivers/gpu/drm/i915/intel_drv.h > @@ -1761,6 +1761,8 @@ void skl_pipe_wm_get_hw_state(struct drm_crtc > *crtc, > bool intel_can_enable_sagv(struct drm_atomic_state *state); > int intel_enable_sagv(struct drm_i915_private *dev_priv); > int intel_disable_sagv(struct drm_i915_private *dev_priv); > +bool skl_wm_level_equals(const struct skl_wm_level *l1, > + const struct skl_wm_level *l2); > bool skl_ddb_allocation_equals(const struct skl_ddb_allocation *old, > const struct skl_ddb_allocation *new, > enum pipe pipe); > diff --git a/drivers/gpu/drm/i915/intel_pm.c > b/drivers/gpu/drm/i915/intel_pm.c > index 27a520ce..6af1587 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -3853,6 +3853,20 @@ void skl_write_cursor_wm(struct intel_crtc > *intel_crtc, > &ddb->plane[pipe][PLANE_CURSOR]); > } > > +bool skl_wm_level_equals(const struct skl_wm_level *l1, > + const struct skl_wm_level *l2) > +{ > + if (l1->plane_en != l2->plane_en) > + return false; > + > + /* If both planes aren't enabled, the rest shouldn't matter > */ > + if (!l1->plane_en) > + return true; > + > + return (l1->plane_res_l == l2->plane_res_l && > + l1->plane_res_b == l2->plane_res_b); > +} > + > static inline bool skl_ddb_entries_overlap(const struct > skl_ddb_entry *a, > const struct > skl_ddb_entry *b) > {
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