On Wed, 2020-01-29 at 20:20 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> We may want to not use the DSB even if the platform has one.
> So replace the HAS_DSB check in the _put() with a cmd_buf check
> that will work in either case.
Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_dsb.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c
> b/drivers/gpu/drm/i915/display/intel_dsb.c
> index 9dd18144a664..12776f09f227 100644
> --- a/drivers/gpu/drm/i915/display/intel_dsb.c
> +++ b/drivers/gpu/drm/i915/display/intel_dsb.c
> @@ -160,9 +160,8 @@ intel_dsb_get(struct intel_crtc *crtc)
> void intel_dsb_put(struct intel_dsb *dsb)
> {
> struct intel_crtc *crtc = container_of(dsb, typeof(*crtc),
> dsb);
> - struct drm_i915_private *i915 = to_i915(crtc->base.dev);
>
> - if (!HAS_DSB(i915))
> + if (!dsb->cmd_buf)
> return;
>
> if (WARN_ON(dsb->refcount == 0))
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