[PATCH v2 06/13] drm/vmwgfx: Stop messing about with plane->fb/old_fb/crtc

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

plane->fb/old_fb/crtc should no longer be used by atomic
drivers. Stop messing about with them.

Cc: Deepak Rawat <drawat@xxxxxxxxxx>
Cc: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Cc: Sinclair Yeh <syeh@xxxxxxxxxx>
Cc: VMware Graphics <linux-graphics-maintainer@xxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_fb.c | 24 ------------------------
 1 file changed, 24 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 54e300365a5c..fcca0487dab6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -439,8 +439,6 @@ static int vmw_fb_compute_depth(struct fb_var_screeninfo *var,
 static int vmwgfx_set_config_internal(struct drm_mode_set *set)
 {
 	struct drm_crtc *crtc = set->crtc;
-	struct drm_framebuffer *fb;
-	struct drm_crtc *tmp;
 	struct drm_device *dev = set->crtc->dev;
 	struct drm_modeset_acquire_ctx ctx;
 	int ret;
@@ -448,29 +446,7 @@ static int vmwgfx_set_config_internal(struct drm_mode_set *set)
 	drm_modeset_acquire_init(&ctx, 0);
 
 restart:
-	/*
-	 * NOTE: ->set_config can also disable other crtcs (if we steal all
-	 * connectors from it), hence we need to refcount the fbs across all
-	 * crtcs. Atomic modeset will have saner semantics ...
-	 */
-	drm_for_each_crtc(tmp, dev)
-		tmp->primary->old_fb = tmp->primary->fb;
-
-	fb = set->fb;
-
 	ret = crtc->funcs->set_config(set, &ctx);
-	if (ret == 0) {
-		crtc->primary->crtc = crtc;
-		crtc->primary->fb = fb;
-	}
-
-	drm_for_each_crtc(tmp, dev) {
-		if (tmp->primary->fb)
-			drm_framebuffer_get(tmp->primary->fb);
-		if (tmp->primary->old_fb)
-			drm_framebuffer_put(tmp->primary->old_fb);
-		tmp->primary->old_fb = NULL;
-	}
 
 	if (ret == -EDEADLK) {
 		drm_modeset_backoff(&ctx);
-- 
2.16.1

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