Re: [PATCH v2 6/7] drm/nouveau: Convert nouveau to use new iterator macros, v2.

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On Wed, Jul 19, 2017 at 04:39:19PM +0200, Maarten Lankhorst wrote:
> Use the new atomic iterator macros, the old ones are about to be
> removed. With the new macros, it's more easy to get old and new state so
> get them from the macros instead of from obj->state.
> 
> Changes since v1:
> - Don't mix up old and new state. (danvet)
> - Rebase on top of interruptible swap_state changes.
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: Ben Skeggs <bskeggs@xxxxxxxxxx>
> Cc: nouveau@xxxxxxxxxxxxxxxxxxxxx

Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
>  drivers/gpu/drm/nouveau/nv50_display.c | 72 +++++++++++++++++-----------------
>  1 file changed, 37 insertions(+), 35 deletions(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
> index 747c99c1e474..7abfb561b00c 100644
> --- a/drivers/gpu/drm/nouveau/nv50_display.c
> +++ b/drivers/gpu/drm/nouveau/nv50_display.c
> @@ -2103,7 +2103,7 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state)
>  
>  	NV_ATOMIC(drm, "%s atomic_check %d\n", crtc->name, asyh->state.active);
>  	if (asyh->state.active) {
> -		for_each_connector_in_state(asyh->state.state, conn, conns, i) {
> +		for_each_new_connector_in_state(asyh->state.state, conn, conns, i) {
>  			if (conns->crtc == crtc) {
>  				asyc = nouveau_conn_atom(conns);
>  				break;
> @@ -3905,9 +3905,9 @@ static void
>  nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
>  {
>  	struct drm_device *dev = state->dev;
> -	struct drm_crtc_state *crtc_state;
> +	struct drm_crtc_state *new_crtc_state;
>  	struct drm_crtc *crtc;
> -	struct drm_plane_state *plane_state;
> +	struct drm_plane_state *new_plane_state;
>  	struct drm_plane *plane;
>  	struct nouveau_drm *drm = nouveau_drm(dev);
>  	struct nv50_disp *disp = nv50_disp(dev);
> @@ -3926,8 +3926,8 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
>  		mutex_lock(&disp->mutex);
>  
>  	/* Disable head(s). */
> -	for_each_crtc_in_state(state, crtc, crtc_state, i) {
> -		struct nv50_head_atom *asyh = nv50_head_atom(crtc->state);
> +	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
> +		struct nv50_head_atom *asyh = nv50_head_atom(new_crtc_state);
>  		struct nv50_head *head = nv50_head(crtc);
>  
>  		NV_ATOMIC(drm, "%s: clr %04x (set %04x)\n", crtc->name,
> @@ -3940,8 +3940,8 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
>  	}
>  
>  	/* Disable plane(s). */
> -	for_each_plane_in_state(state, plane, plane_state, i) {
> -		struct nv50_wndw_atom *asyw = nv50_wndw_atom(plane->state);
> +	for_each_new_plane_in_state(state, plane, new_plane_state, i) {
> +		struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state);
>  		struct nv50_wndw *wndw = nv50_wndw(plane);
>  
>  		NV_ATOMIC(drm, "%s: clr %02x (set %02x)\n", plane->name,
> @@ -4006,8 +4006,8 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
>  	}
>  
>  	/* Update head(s). */
> -	for_each_crtc_in_state(state, crtc, crtc_state, i) {
> -		struct nv50_head_atom *asyh = nv50_head_atom(crtc->state);
> +	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
> +		struct nv50_head_atom *asyh = nv50_head_atom(new_crtc_state);
>  		struct nv50_head *head = nv50_head(crtc);
>  
>  		NV_ATOMIC(drm, "%s: set %04x (clr %04x)\n", crtc->name,
> @@ -4019,14 +4019,14 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
>  		}
>  	}
>  
> -	for_each_crtc_in_state(state, crtc, crtc_state, i) {
> -		if (crtc->state->event)
> +	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
> +		if (new_crtc_state->event)
>  			drm_crtc_vblank_get(crtc);
>  	}
>  
>  	/* Update plane(s). */
> -	for_each_plane_in_state(state, plane, plane_state, i) {
> -		struct nv50_wndw_atom *asyw = nv50_wndw_atom(plane->state);
> +	for_each_new_plane_in_state(state, plane, new_plane_state, i) {
> +		struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state);
>  		struct nv50_wndw *wndw = nv50_wndw(plane);
>  
>  		NV_ATOMIC(drm, "%s: set %02x (clr %02x)\n", plane->name,
> @@ -4056,23 +4056,23 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
>  		mutex_unlock(&disp->mutex);
>  
>  	/* Wait for HW to signal completion. */
> -	for_each_plane_in_state(state, plane, plane_state, i) {
> -		struct nv50_wndw_atom *asyw = nv50_wndw_atom(plane->state);
> +	for_each_new_plane_in_state(state, plane, new_plane_state, i) {
> +		struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state);
>  		struct nv50_wndw *wndw = nv50_wndw(plane);
>  		int ret = nv50_wndw_wait_armed(wndw, asyw);
>  		if (ret)
>  			NV_ERROR(drm, "%s: timeout\n", plane->name);
>  	}
>  
> -	for_each_crtc_in_state(state, crtc, crtc_state, i) {
> -		if (crtc->state->event) {
> +	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
> +		if (new_crtc_state->event) {
>  			unsigned long flags;
>  			/* Get correct count/ts if racing with vblank irq */
>  			drm_crtc_accurate_vblank_count(crtc);
>  			spin_lock_irqsave(&crtc->dev->event_lock, flags);
> -			drm_crtc_send_vblank_event(crtc, crtc->state->event);
> +			drm_crtc_send_vblank_event(crtc, new_crtc_state->event);
>  			spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
> -			crtc->state->event = NULL;
> +			new_crtc_state->event = NULL;
>  			drm_crtc_vblank_put(crtc);
>  		}
>  	}
> @@ -4097,7 +4097,7 @@ nv50_disp_atomic_commit(struct drm_device *dev,
>  {
>  	struct nouveau_drm *drm = nouveau_drm(dev);
>  	struct nv50_disp *disp = nv50_disp(dev);
> -	struct drm_plane_state *plane_state;
> +	struct drm_plane_state *old_plane_state;
>  	struct drm_plane *plane;
>  	struct drm_crtc *crtc;
>  	bool active = false;
> @@ -4127,9 +4127,10 @@ nv50_disp_atomic_commit(struct drm_device *dev,
>  	if (ret)
>  		goto err_cleanup;
>  
> -	for_each_plane_in_state(state, plane, plane_state, i) {
> -		struct nv50_wndw_atom *asyw = nv50_wndw_atom(plane_state);
> +	for_each_old_plane_in_state(state, plane, old_plane_state, i) {
> +		struct nv50_wndw_atom *asyw = nv50_wndw_atom(old_plane_state);
>  		struct nv50_wndw *wndw = nv50_wndw(plane);
> +
>  		if (asyw->set.image) {
>  			asyw->ntfy.handle = wndw->dmac->sync.handle;
>  			asyw->ntfy.offset = wndw->ntfy;
> @@ -4192,18 +4193,19 @@ nv50_disp_outp_atomic_add(struct nv50_atom *atom, struct drm_encoder *encoder)
>  
>  static int
>  nv50_disp_outp_atomic_check_clr(struct nv50_atom *atom,
> -				struct drm_connector *connector)
> +				struct drm_connector_state *old_connector_state)
>  {
> -	struct drm_encoder *encoder = connector->state->best_encoder;
> -	struct drm_crtc_state *crtc_state;
> +	struct drm_encoder *encoder = old_connector_state->best_encoder;
> +	struct drm_crtc_state *old_crtc_state, *new_crtc_state;
>  	struct drm_crtc *crtc;
>  	struct nv50_outp_atom *outp;
>  
> -	if (!(crtc = connector->state->crtc))
> +	if (!(crtc = old_connector_state->crtc))
>  		return 0;
>  
> -	crtc_state = drm_atomic_get_existing_crtc_state(&atom->state, crtc);
> -	if (crtc->state->active && drm_atomic_crtc_needs_modeset(crtc_state)) {
> +	old_crtc_state = drm_atomic_get_old_crtc_state(&atom->state, crtc);
> +	new_crtc_state = drm_atomic_get_new_crtc_state(&atom->state, crtc);
> +	if (old_crtc_state->active && drm_atomic_crtc_needs_modeset(new_crtc_state)) {
>  		outp = nv50_disp_outp_atomic_add(atom, encoder);
>  		if (IS_ERR(outp))
>  			return PTR_ERR(outp);
> @@ -4224,15 +4226,15 @@ nv50_disp_outp_atomic_check_set(struct nv50_atom *atom,
>  				struct drm_connector_state *connector_state)
>  {
>  	struct drm_encoder *encoder = connector_state->best_encoder;
> -	struct drm_crtc_state *crtc_state;
> +	struct drm_crtc_state *new_crtc_state;
>  	struct drm_crtc *crtc;
>  	struct nv50_outp_atom *outp;
>  
>  	if (!(crtc = connector_state->crtc))
>  		return 0;
>  
> -	crtc_state = drm_atomic_get_existing_crtc_state(&atom->state, crtc);
> -	if (crtc_state->active && drm_atomic_crtc_needs_modeset(crtc_state)) {
> +	new_crtc_state = drm_atomic_get_new_crtc_state(&atom->state, crtc);
> +	if (new_crtc_state->active && drm_atomic_crtc_needs_modeset(new_crtc_state)) {
>  		outp = nv50_disp_outp_atomic_add(atom, encoder);
>  		if (IS_ERR(outp))
>  			return PTR_ERR(outp);
> @@ -4248,7 +4250,7 @@ static int
>  nv50_disp_atomic_check(struct drm_device *dev, struct drm_atomic_state *state)
>  {
>  	struct nv50_atom *atom = nv50_atom(state);
> -	struct drm_connector_state *connector_state;
> +	struct drm_connector_state *old_connector_state, *new_connector_state;
>  	struct drm_connector *connector;
>  	int ret, i;
>  
> @@ -4256,12 +4258,12 @@ nv50_disp_atomic_check(struct drm_device *dev, struct drm_atomic_state *state)
>  	if (ret)
>  		return ret;
>  
> -	for_each_connector_in_state(state, connector, connector_state, i) {
> -		ret = nv50_disp_outp_atomic_check_clr(atom, connector);
> +	for_each_oldnew_connector_in_state(state, connector, old_connector_state, new_connector_state, i) {
> +		ret = nv50_disp_outp_atomic_check_clr(atom, old_connector_state);
>  		if (ret)
>  			return ret;
>  
> -		ret = nv50_disp_outp_atomic_check_set(atom, connector_state);
> +		ret = nv50_disp_outp_atomic_check_set(atom, new_connector_state);
>  		if (ret)
>  			return ret;
>  	}
> -- 
> 2.11.0
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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https://lists.freedesktop.org/mailman/listinfo/dri-devel




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