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drm/i915: extract fbc_supported() 

Make it clear that we're checking whether FBC is supported or not. The
fact that the vfunc is not NULL is just a consequence.

Another name option would have been fbc_initialized().

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2015-09-23 12:52:27 -03:00 committed by Daniel Vetter
parent 1ca36d4cb3
commit 9f218336bd
1 changed files with 11 additions and 6 deletions
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17
drivers/gpu/drm/i915/intel_fbc.c
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@ -41,6 +41,11 @@
#include "intel_drv.h"
#include "i915_drv.h"
static inline bool fbc_supported(struct drm_i915_private *dev_priv)
{
return dev_priv->fbc.enable_fbc != NULL;
}
/*
* 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
@ -439,7 +444,7 @@ static void __intel_fbc_disable(struct drm_i915_private *dev_priv)
*/
void intel_fbc_disable(struct drm_i915_private *dev_priv)
{
if (!dev_priv->fbc.enable_fbc)
if (!fbc_supported(dev_priv))
return;
mutex_lock(&dev_priv->fbc.lock);
@ -457,7 +462,7 @@ void intel_fbc_disable_crtc(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
if (!dev_priv->fbc.enable_fbc)
if (!fbc_supported(dev_priv))
return;
mutex_lock(&dev_priv->fbc.lock);
@ -685,7 +690,7 @@ static void __intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv)
void intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv)
{
if (!dev_priv->fbc.enable_fbc)
if (!fbc_supported(dev_priv))
return;
mutex_lock(&dev_priv->fbc.lock);
@ -948,7 +953,7 @@ static void __intel_fbc_update(struct drm_i915_private *dev_priv)
*/
void intel_fbc_update(struct drm_i915_private *dev_priv)
{
if (!dev_priv->fbc.enable_fbc)
if (!fbc_supported(dev_priv))
return;
mutex_lock(&dev_priv->fbc.lock);
@ -962,7 +967,7 @@ void intel_fbc_invalidate(struct drm_i915_private *dev_priv,
{
unsigned int fbc_bits;
if (!dev_priv->fbc.enable_fbc)
if (!fbc_supported(dev_priv))
return;
if (origin == ORIGIN_GTT)
@ -989,7 +994,7 @@ void intel_fbc_invalidate(struct drm_i915_private *dev_priv,
void intel_fbc_flush(struct drm_i915_private *dev_priv,
unsigned int frontbuffer_bits, enum fb_op_origin origin)
{
if (!dev_priv->fbc.enable_fbc)
if (!fbc_supported(dev_priv))
return;
if (origin == ORIGIN_GTT)