drm/i915/fbc: Nuke fbc_supported()

fbc_supported() is just a pointless wrapper for HAS_FBC(). Get
rid of it. In places where we're operating on a specific plane
we can replace this with a plane->has_fbc check to avoid
doing anything for crtcs that don't even support fbc.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191213133453.22152-4-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 42504e6..28adf46 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -45,11 +45,6 @@
 #include "intel_fbc.h"
 #include "intel_frontbuffer.h"
 
-static inline bool fbc_supported(struct drm_i915_private *dev_priv)
-{
-       return HAS_FBC(dev_priv);
-}
-
 /*
  * In some platforms where the CRTC's x:0/y:0 coordinates doesn't match the
  * frontbuffer's x:0/y:0 coordinates we lie to the hardware about the plane's
@@ -543,7 +538,7 @@ void intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv)
 {
        struct intel_fbc *fbc = &dev_priv->fbc;
 
-       if (!fbc_supported(dev_priv))
+       if (!HAS_FBC(dev_priv))
                return;
 
        mutex_lock(&fbc->lock);
@@ -880,10 +875,7 @@ bool intel_fbc_pre_update(struct intel_atomic_state *state,
        const char *reason = "update pending";
        bool need_vblank_wait = false;
 
-       if (!fbc_supported(dev_priv))
-               return need_vblank_wait;
-
-       if (!plane_state)
+       if (!plane->has_fbc || !plane_state)
                return need_vblank_wait;
 
        mutex_lock(&fbc->lock);
@@ -983,10 +975,7 @@ void intel_fbc_post_update(struct intel_atomic_state *state,
                intel_atomic_get_new_plane_state(state, plane);
        struct intel_fbc *fbc = &dev_priv->fbc;
 
-       if (!fbc_supported(dev_priv))
-               return;
-
-       if (!plane_state)
+       if (!plane->has_fbc || !plane_state)
                return;
 
        mutex_lock(&fbc->lock);
@@ -1008,7 +997,7 @@ void intel_fbc_invalidate(struct drm_i915_private *dev_priv,
 {
        struct intel_fbc *fbc = &dev_priv->fbc;
 
-       if (!fbc_supported(dev_priv))
+       if (!HAS_FBC(dev_priv))
                return;
 
        if (origin == ORIGIN_GTT || origin == ORIGIN_FLIP)
@@ -1029,7 +1018,7 @@ void intel_fbc_flush(struct drm_i915_private *dev_priv,
 {
        struct intel_fbc *fbc = &dev_priv->fbc;
 
-       if (!fbc_supported(dev_priv))
+       if (!HAS_FBC(dev_priv))
                return;
 
        mutex_lock(&fbc->lock);
@@ -1133,10 +1122,7 @@ void intel_fbc_enable(struct intel_atomic_state *state,
        struct intel_fbc *fbc = &dev_priv->fbc;
        struct intel_fbc_state_cache *cache = &fbc->state_cache;
 
-       if (!fbc_supported(dev_priv))
-               return;
-
-       if (!plane_state)
+       if (!plane->has_fbc || !plane_state)
                return;
 
        mutex_lock(&fbc->lock);
@@ -1189,9 +1175,10 @@ out:
 void intel_fbc_disable(struct intel_crtc *crtc)
 {
        struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+       struct intel_plane *plane = to_intel_plane(crtc->base.primary);
        struct intel_fbc *fbc = &dev_priv->fbc;
 
-       if (!fbc_supported(dev_priv))
+       if (!plane->has_fbc)
                return;
 
        mutex_lock(&fbc->lock);
@@ -1210,7 +1197,7 @@ void intel_fbc_global_disable(struct drm_i915_private *dev_priv)
 {
        struct intel_fbc *fbc = &dev_priv->fbc;
 
-       if (!fbc_supported(dev_priv))
+       if (!HAS_FBC(dev_priv))
                return;
 
        mutex_lock(&fbc->lock);
@@ -1287,7 +1274,7 @@ void intel_fbc_handle_fifo_underrun_irq(struct drm_i915_private *dev_priv)
 {
        struct intel_fbc *fbc = &dev_priv->fbc;
 
-       if (!fbc_supported(dev_priv))
+       if (!HAS_FBC(dev_priv))
                return;
 
        /* There's no guarantee that underrun_detected won't be set to true