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drm/i915: don't keep reassigning FBC_UNSUPPORTED

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This may save a few picoseconds on !HAS_FBC platforms. And it also
satisfies my OCD.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2015-02-09 14:46:28 -02:00 committed by Daniel Vetter
parent 7cc6574600
commit 104618b336
1 changed files with 2 additions and 3 deletions
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5
drivers/gpu/drm/i915/intel_fbc.c
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@ -502,10 +502,8 @@ void intel_fbc_update(struct drm_device *dev)
const struct drm_display_mode *adjusted_mode;
unsigned int max_width, max_height;
if (!HAS_FBC(dev)) {
set_no_fbc_reason(dev_priv, FBC_UNSUPPORTED);
if (!HAS_FBC(dev))
return;
}
if (i915.enable_fbc < 0) {
if (set_no_fbc_reason(dev_priv, FBC_CHIP_DEFAULT))
@ -670,6 +668,7 @@ void intel_fbc_init(struct drm_i915_private *dev_priv)
{
if (!HAS_FBC(dev_priv)) {
dev_priv->fbc.enabled = false;
dev_priv->fbc.no_fbc_reason = FBC_UNSUPPORTED;
return;
}