On Fri, Mar 07, 2014 at 06:32:14PM +0200, ville.syrjala@xxxxxxxxxxxxxxx wrote: > 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. > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Convert them to asserts, or are we already covered in this regard? /me has an uncanny love for self-checks ... Cheers, Daniel > --- > drivers/gpu/drm/i915/intel_display.c | 4 ---- > 1 file changed, 4 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index 7938556..2815351 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -1896,8 +1896,6 @@ 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; > > I915_WRITE(reg, val | DISPLAY_PLANE_ENABLE); > intel_flush_primary_plane(dev_priv, plane); > @@ -1926,8 +1924,6 @@ 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; > > I915_WRITE(reg, val & ~DISPLAY_PLANE_ENABLE); > intel_flush_primary_plane(dev_priv, plane); > -- > 1.8.3.2 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx