2014-04-28 9:53 GMT-03:00 <ville.syrjala@xxxxxxxxxxxxxxx>: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > We won't be calling intel_enable_primary_plane() or > intel_disable_primary_plane() with the primary plane in the > wrong state. So remove the useless DISPLAY_PLANE_ENABLE checks. > > v2: Convert the checks to WARNs instead (Daniel,Paulo) Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_display.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index 7938556..af9e3fe 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -1896,8 +1896,7 @@ static void intel_enable_primary_plane(struct drm_i915_private *dev_priv, > > reg = DSPCNTR(plane); > val = I915_READ(reg); > - if (val & DISPLAY_PLANE_ENABLE) > - return; > + WARN_ON(val & DISPLAY_PLANE_ENABLE); > > I915_WRITE(reg, val | DISPLAY_PLANE_ENABLE); > intel_flush_primary_plane(dev_priv, plane); > @@ -1926,8 +1925,7 @@ static void intel_disable_primary_plane(struct drm_i915_private *dev_priv, > > reg = DSPCNTR(plane); > val = I915_READ(reg); > - if ((val & DISPLAY_PLANE_ENABLE) == 0) > - return; > + WARN_ON((val & DISPLAY_PLANE_ENABLE) == 0); > > I915_WRITE(reg, val & ~DISPLAY_PLANE_ENABLE); > intel_flush_primary_plane(dev_priv, plane); > -- > 1.8.3.2 > -- Paulo Zanoni _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx