Re: [PATCH 03/10] drm/i915: Use the atomic state in intel_update_primary_planes.

Daniel Vetter
2015-09-10T15:29:55Z

On Thu, Sep 10, 2015 at 04:07:58PM +0200, Maarten Lankhorst wrote:
> This function was still using the legacy state, convert it to atomic.
> While we're at it, fix the FIXME too and disable the primary plane.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> ---
> drivers/gpu/drm/i915/intel_display.c | 26 ++++++++++++--------------
> 1 file changed, 12 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 33200403a5db..b68aa95c5460 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -3138,24 +3138,22 @@ static void intel_complete_page_flips(struct drm_device *dev)
>
> static void intel_update_primary_planes(struct drm_device *dev)
> {
> - struct drm_i915_private *dev_priv = dev->dev_private;
> struct drm_crtc *crtc;
>
> for_each_crtc(dev, crtc) {
> - struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> + struct intel_plane *plane = to_intel_plane(crtc->primary);
> + struct intel_plane_state *plane_state;
>
> - drm_modeset_lock(&crtc->mutex, NULL);
> - /*
> - * FIXME: Once we have proper support for primary planes (and
> - * disabling them without disabling the entire crtc) allow again
> - * a NULL crtc->primary->fb.
> - */

We probably should have a new FIXME here to ditch this all once we use
atomic for legacy page_flips (since the only reason we have this is when
CS flips are lost in the reset).
-Daniel

> - if (intel_crtc->active && crtc->primary->fb)
> - dev_priv->display.update_primary_plane(crtc,
> - crtc->primary->fb,
> - crtc->x,
> - crtc->y);
> - drm_modeset_unlock(&crtc->mutex);
> + drm_modeset_lock_crtc(crtc, &plane->base);
> +
> + plane_state = to_intel_plane_state(plane->base.state);
> +
> + if (plane_state->base.fb)
> + plane->commit_plane(&plane->base, plane_state);
> + else if (crtc->state->active)
> + plane->disable_plane(&plane->base, crtc);
> +
> + drm_modeset_unlock_crtc(crtc);
> }
> }
>
> --
> 2.1.0
>
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--
Daniel Vetter
Software Engineer, Intel Corporation