{
struct drm_crtc *crtc = NULL, *tmp_crtc;
enum pipe pipe;
- bool pipe_a_only = false, one_pipe_only = false;
+ bool pipe_a_only = false;
if (IS_HASWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 8)
pipe_a_only = true;
- else if (INTEL_INFO(dev_priv)->gen <= 4)
- one_pipe_only = true;
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 (one_pipe_only && crtc) {
- set_no_fbc_reason(dev_priv, FBC_MULTIPLE_PIPES);
- return NULL;
- }
+ to_intel_plane_state(tmp_crtc->primary->state)->visible)
crtc = tmp_crtc;
- }
if (pipe_a_only)
break;
return crtc;
}
+static bool multiple_pipes_ok(struct drm_i915_private *dev_priv)
+{
+ enum pipe pipe;
+ int n_pipes = 0;
+ struct drm_crtc *crtc;
+
+ if (INTEL_INFO(dev_priv)->gen > 4)
+ return true;
+
+ for_each_pipe(dev_priv, pipe) {
+ crtc = dev_priv->pipe_to_crtc_mapping[pipe];
+
+ if (intel_crtc_active(crtc) &&
+ to_intel_plane_state(crtc->primary->state)->visible)
+ n_pipes++;
+ }
+
+ return (n_pipes < 2);
+}
+
static int find_compression_threshold(struct drm_i915_private *dev_priv,
struct drm_mm_node *node,
int size,
if (!crtc)
goto out_disable;
+ if (!multiple_pipes_ok(dev_priv)) {
+ set_no_fbc_reason(dev_priv, FBC_MULTIPLE_PIPES);
+ goto out_disable;
+ }
+
intel_crtc = to_intel_crtc(crtc);
fb = crtc->primary->fb;
obj = intel_fb_obj(fb);