On Thu, Sep 10, 2015 at 04:08:01PM +0200, Maarten Lankhorst wrote:
> This should allow not running plane commit when the crtc is off.
> While the atomic helpers update those, crtc->x/y is only updated
> during modesets, and primary plane is updated after this function
> returns.
>
> Unfortunately non-atomic watermarks and fbc still depend on this
> state inside i915, so it has to be kept in sync.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 15 ++++++++-------
> 1 file changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 87c5eba08454..b809ee2a8678 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -12198,6 +12198,14 @@ intel_modeset_update_crtc_state(struct drm_atomic_state *state)
> crtc->hwmode = crtc->state->adjusted_mode;
> else
> crtc->hwmode.crtc_clock = 0;
> +
> + if (drm_atomic_get_existing_plane_state(state, crtc->primary)) {
> + struct drm_plane_state *plane_state = crtc->primary->state;
> +
> + crtc->primary->fb = plane_state->fb;
> + crtc->x = plane_state->src_x >> 16;
> + crtc->y = plane_state->src_y >> 16;
> + }
drm_atomic_helper_update_legacy_modeset_state should do that for us, not?
Atm we have an if (any_ms) check for it, but that seems to just be a bug
really.
-Daniel
> }
> }
>
> @@ -13434,15 +13442,8 @@ intel_commit_primary_plane(struct drm_plane *plane,
> struct drm_framebuffer *fb = state->base.fb;
> struct drm_device *dev = plane->dev;
> struct drm_i915_private *dev_priv = dev->dev_private;
> - struct intel_crtc *intel_crtc;
> - struct drm_rect *src = &state->src;
>
> crtc = crtc ? crtc : plane->crtc;
> - intel_crtc = to_intel_crtc(crtc);
> -
> - plane->fb = fb;
> - crtc->x = src->x1 >> 16;
> - crtc->y = src->y1 >> 16;
>
> if (!crtc->state->active)
> return;
> --
> 2.1.0
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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