I keep my with to remove support for old gens but anyway:
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
On Mon, Dec 8, 2014 at 8:09 AM, Paulo Zanoni <przanoni@xxxxxxxxx> wrote:
> From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
>
> So allow it.
>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_fbc.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
> index e8dc1d5..1c22922 100644
> --- a/drivers/gpu/drm/i915/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/intel_fbc.c
> @@ -448,17 +448,19 @@ static struct drm_crtc *intel_fbc_find_crtc(struct drm_i915_private *dev_priv)
> {
> struct drm_crtc *crtc = NULL, *tmp_crtc;
> enum pipe pipe;
> - bool pipe_a_only = false;
> + bool pipe_a_only = false, one_pipe_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_crtc(tmp_crtc)->primary_enabled) {
> - if (crtc) {
> + if (one_pipe_only && crtc) {
> if (set_no_fbc_reason(dev_priv, FBC_MULTIPLE_PIPES))
> DRM_DEBUG_KMS("more than one pipe active, disabling compression\n");
> return NULL;
> --
> 2.1.3
>
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--
Rodrigo Vivi
Blog: http://blog.vivi.eng.br
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