drm/i915: HSW+ FBC is tied to pipe A (68b92147) · Commits · 戴 / test

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>

drivers/gpu/drm/i915/intel_fbc.c

+11 −2

Original line number	Diff line number	Diff line
		@@ -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) {

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