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drm/i915: extract crtc_is_valid() on the FBC code

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We're going to kill intel_fbc_find_crtc(), that's why a big part of
the logic moved from intel_fbc_find_crtc() to crtc_is_valid().

v2:
  - Rebase due to pipe_a_only change.
  - Split the multiline conditional (Chris).

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446664257-32012-5-git-send-email-paulo.r.zanoni@intel.com
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
This commit is contained in:
Paulo Zanoni 2015-11-04 17:10:48 -02:00 committed by Maarten Lankhorst
parent a4dedd5a14
commit 30c58d5896
1 changed files with 17 additions and 5 deletions
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22
drivers/gpu/drm/i915/intel_fbc.c
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@ -487,6 +487,22 @@ static void set_no_fbc_reason(struct drm_i915_private *dev_priv,
DRM_DEBUG_KMS("Disabling FBC: %s\n", reason);
}
static bool crtc_is_valid(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
if (fbc_on_pipe_a_only(dev_priv) && crtc->pipe != PIPE_A)
return false;
if (!intel_crtc_active(&crtc->base))
return false;
if (!to_intel_plane_state(crtc->base.primary->state)->visible)
return false;
return true;
}
static struct drm_crtc *intel_fbc_find_crtc(struct drm_i915_private *dev_priv)
{
struct drm_crtc *crtc = NULL, *tmp_crtc;
@ -495,12 +511,8 @@ static struct drm_crtc *intel_fbc_find_crtc(struct drm_i915_private *dev_priv)
for_each_pipe(dev_priv, pipe) {
tmp_crtc = dev_priv->pipe_to_crtc_mapping[pipe];
if (intel_crtc_active(tmp_crtc) &&
to_intel_plane_state(tmp_crtc->primary->state)->visible)
if (crtc_is_valid(to_intel_crtc(tmp_crtc)))
crtc = tmp_crtc;
if (fbc_on_pipe_a_only(dev_priv))
break;
}
if (!crtc)