On Wed, Sep 19, 2018 at 03:56:32PM +0200, Maarten Lankhorst wrote:
> This will only disable planes we actually had marked as visible in
> crtc_state->visible_planes and cleans up intel_crtc_disable_plane()
> slightly.
>
> This is also useful for when we start enabling NV12 support, in which
> we will make the separate Y plane visible, but ignore the Y plane's state.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 29 ++++++++++++++--------------
> 1 file changed, 14 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 7a7ff1d76031..f7982f18b8fe 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5402,24 +5402,23 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state,
> intel_update_watermarks(crtc);
> }
>
> -static void intel_crtc_disable_planes(struct drm_crtc *crtc, unsigned plane_mask)
> +static void intel_crtc_disable_planes(struct intel_crtc *crtc, unsigned plane_mask)
> {
> - struct drm_device *dev = crtc->dev;
> - struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> - struct drm_plane *p;
> - int pipe = intel_crtc->pipe;
> + struct drm_device *dev = crtc->base.dev;
> + struct intel_plane *plane;
> + unsigned fb_bits = 0;
>
> - intel_crtc_dpms_overlay_disable(intel_crtc);
> + intel_crtc_dpms_overlay_disable(crtc);
>
> - drm_for_each_plane_mask(p, dev, plane_mask)
> - to_intel_plane(p)->disable_plane(to_intel_plane(p), intel_crtc);
> + for_each_intel_plane_on_crtc(dev, crtc, plane) {
> + if (plane_mask & BIT(plane->id)) {
> + plane->disable_plane(plane, crtc);
>
> - /*
> - * FIXME: Once we grow proper nuclear flip support out of this we need
> - * to compute the mask of flip planes precisely. For the time being
> - * consider this a flip to a NULL plane.
> - */
> - intel_frontbuffer_flip(to_i915(dev), INTEL_FRONTBUFFER_ALL_MASK(pipe));
> + fb_bits |= plane->frontbuffer_bit;
> + }
> + }
> +
> + intel_frontbuffer_flip(to_i915(dev), fb_bits);
> }
>
> static void intel_encoders_pre_pll_enable(struct drm_crtc *crtc,
> @@ -12697,7 +12696,7 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
> intel_pre_plane_update(old_intel_crtc_state, new_intel_crtc_state);
>
> if (old_crtc_state->active) {
> - intel_crtc_disable_planes(crtc, old_crtc_state->plane_mask);
> + intel_crtc_disable_planes(intel_crtc, old_intel_crtc_state->active_planes);
>
> /*
> * We need to disable pipe CRC before disabling the pipe,
> --
> 2.18.0
>
> _______________________________________________
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Matt Roper
Graphics Software Engineer
IoTG Platform Enabling & Development
Intel Corporation
(916) 356-2795
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