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-rw-r--r--shared-core/nouveau_mem.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/shared-core/nouveau_mem.c b/shared-core/nouveau_mem.c
index 51ac48dd..4acd6bd6 100644
--- a/shared-core/nouveau_mem.c
+++ b/shared-core/nouveau_mem.c
@@ -34,6 +34,8 @@
#include "drm.h"
#include "drm_sarea.h"
#include "nouveau_drv.h"
+#include "nv50_kms_wrapper.h"
+
static struct mem_block *
split_block(struct mem_block *p, uint64_t start, uint64_t size,
@@ -730,6 +732,33 @@ void nouveau_mem_free(struct drm_device* dev, struct mem_block* block)
DRM_DEBUG("freeing 0x%llx type=0x%08x\n", block->start, block->flags);
+ /* Check if the deallocations cause problems for our modesetting system. */
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ if (dev_priv->card_type >= NV_50) {
+ struct nv50_crtc *crtc = NULL;
+ struct nv50_display *display = nv50_get_display(dev);
+
+ list_for_each_entry(crtc, &display->crtcs, head) {
+ if (crtc->fb->block == block) {
+ crtc->fb->block = NULL;
+
+ /* this will force a lut change next time a fb is loaded */
+ crtc->lut->depth = 0;
+
+ if (!crtc->blanked)
+ crtc->blank(crtc, TRUE);
+ }
+
+ if (crtc->cursor->block == block) {
+ crtc->cursor->block = NULL;
+
+ if (crtc->cursor->visible)
+ crtc->cursor->hide(crtc);
+ }
+ }
+ }
+ }
+
if (block->flags&NOUVEAU_MEM_MAPPED)
drm_rmmap(dev, block->map);