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drm/i915: invert the verbosity of intel_enable_fbc

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We currently print a DRM_DEBUG_KMS message on the happy path and don't
print anything on the "failed to allocate" path. On some desktop
environments (e.g., Unity) I see the "scheduling delayed FBC enable"
thousands and thousands of times on my dmesg.

So kill the useless message for the happy case, saving a lot of dmesg
space, and properly signal the "kzalloc fail" case.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Zoltan Nyul <zoltan.nyul@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2013-06-12 17:27:29 -03:00 committed by Daniel Vetter
parent baf27f9b17
commit 6cdcb5e73f
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/i915/intel_pm.c
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@ -381,6 +381,7 @@ void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
work = kzalloc(sizeof *work, GFP_KERNEL);
if (work == NULL) {
DRM_ERROR("Failed to allocate FBC work structure\n");
dev_priv->display.enable_fbc(crtc, interval);
return;
}
@ -392,8 +393,6 @@ void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
dev_priv->fbc_work = work;
DRM_DEBUG_KMS("scheduling delayed FBC enable\n");
/* Delay the actual enabling to let pageflipping cease and the
* display to settle before starting the compression. Note that
* this delay also serves a second purpose: it allows for a