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drm/i915: HSW+ FBC is tied to pipe A

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So add code to consider this case.

v2: Reorder the series, so drop the possible_framebuffer_bits chunk.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> (v1)
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 2015-02-13 17:23:42 -02:00 committed by Daniel Vetter
parent 9510675387
commit 68b92147d5
1 changed files with 11 additions and 2 deletions
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13
drivers/gpu/drm/i915/intel_fbc.c
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@ -475,10 +475,16 @@ static bool set_no_fbc_reason(struct drm_i915_private *dev_priv,
static struct drm_crtc *intel_fbc_find_crtc(struct drm_i915_private *dev_priv)
{
struct drm_device *dev = dev_priv->dev;
struct drm_crtc *crtc = NULL, *tmp_crtc;
enum pipe pipe;
bool pipe_a_only = false;
if (IS_HASWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 8)
pipe_a_only = true;
for_each_pipe(dev_priv, pipe) {
tmp_crtc = dev_priv->pipe_to_crtc_mapping[pipe];
for_each_crtc(dev, tmp_crtc) {
if (intel_crtc_active(tmp_crtc) &&
to_intel_crtc(tmp_crtc)->primary_enabled) {
if (crtc) {
@ -488,6 +494,9 @@ static struct drm_crtc *intel_fbc_find_crtc(struct drm_i915_private *dev_priv)
}
crtc = tmp_crtc;
}
if (pipe_a_only)
break;
}
if (!crtc || crtc->primary->fb == NULL) {