drm/nouveau: unpin various bo's before destroying

These objects leak VRAM - but only on module unload.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

5 files changed, 39 insertions, 7 deletions

diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c
index 82a0d9c6cda3..6578cd28c556 100644
--- a/drivers/gpu/drm/nouveau/nv04_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv04_crtc.c
@@ -730,6 +730,7 @@ static void nv_crtc_destroy(struct drm_crtc *crtc)
         drm_crtc_cleanup(crtc);
 
         nouveau_bo_unmap(nv_crtc->cursor.nvbo);
+        nouveau_bo_unpin(nv_crtc->cursor.nvbo);
         nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
         kfree(nv_crtc);
 }
@@ -1056,8 +1057,11 @@ nv04_crtc_create(struct drm_device *dev, int crtc_num)
                              0, 0x0000, NULL, &nv_crtc->cursor.nvbo);
         if (!ret) {
                 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
-                if (!ret)
+                if (!ret) {
                         ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
+                        if (ret)
+                                nouveau_bo_unpin(nv_crtc->cursor.nvbo);
+                }
                 if (ret)
                         nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
         }
diff --git a/drivers/gpu/drm/nouveau/nv10_fence.c b/drivers/gpu/drm/nouveau/nv10_fence.c
index ce752bf5cc4e..7ae7f97a6d4d 100644
--- a/drivers/gpu/drm/nouveau/nv10_fence.c
+++ b/drivers/gpu/drm/nouveau/nv10_fence.c
@@ -155,6 +155,8 @@ nv10_fence_destroy(struct nouveau_drm *drm)
 {
         struct nv10_fence_priv *priv = drm->fence;
         nouveau_bo_unmap(priv->bo);
+        if (priv->bo)
+                nouveau_bo_unpin(priv->bo);
         nouveau_bo_ref(NULL, &priv->bo);
         drm->fence = NULL;
         kfree(priv);
@@ -183,8 +185,11 @@ nv10_fence_create(struct nouveau_drm *drm)
                                      0, 0x0000, NULL, &priv->bo);
                 if (!ret) {
                         ret = nouveau_bo_pin(priv->bo, TTM_PL_FLAG_VRAM);
-                        if (!ret)
+                        if (!ret) {
                                 ret = nouveau_bo_map(priv->bo);
+                                if (ret)
+                                        nouveau_bo_unpin(priv->bo);
+                        }
                         if (ret)
                                 nouveau_bo_ref(NULL, &priv->bo);
                 }
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index b252dbe0f4e0..35874085a61e 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -1228,8 +1228,12 @@ nv50_crtc_destroy(struct drm_crtc *crtc)
         nv50_dmac_destroy(disp->core, &head->sync.base);
         nv50_pioc_destroy(disp->core, &head->curs.base);
         nouveau_bo_unmap(nv_crtc->cursor.nvbo);
+        if (nv_crtc->cursor.nvbo)
+                nouveau_bo_unpin(nv_crtc->cursor.nvbo);
         nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
         nouveau_bo_unmap(nv_crtc->lut.nvbo);
+        if (nv_crtc->lut.nvbo)
+                nouveau_bo_unpin(nv_crtc->lut.nvbo);
         nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
         drm_crtc_cleanup(crtc);
         kfree(crtc);
@@ -1300,8 +1304,11 @@ nv50_crtc_create(struct drm_device *dev, struct nouveau_object *core, int index)
                              0, 0x0000, NULL, &head->base.lut.nvbo);
         if (!ret) {
                 ret = nouveau_bo_pin(head->base.lut.nvbo, TTM_PL_FLAG_VRAM);
-                if (!ret)
+                if (!ret) {
                         ret = nouveau_bo_map(head->base.lut.nvbo);
+                        if (ret)
+                                nouveau_bo_unpin(head->base.lut.nvbo);
+                }
                 if (ret)
                         nouveau_bo_ref(NULL, &head->base.lut.nvbo);
         }
@@ -1324,8 +1331,11 @@ nv50_crtc_create(struct drm_device *dev, struct nouveau_object *core, int index)
                              0, 0x0000, NULL, &head->base.cursor.nvbo);
         if (!ret) {
                 ret = nouveau_bo_pin(head->base.cursor.nvbo, TTM_PL_FLAG_VRAM);
-                if (!ret)
+                if (!ret) {
                         ret = nouveau_bo_map(head->base.cursor.nvbo);
+                        if (ret)
+                                nouveau_bo_unpin(head->base.lut.nvbo);
+                }
                 if (ret)
                         nouveau_bo_ref(NULL, &head->base.cursor.nvbo);
         }
@@ -1917,6 +1927,8 @@ nv50_display_destroy(struct drm_device *dev)
         nv50_dmac_destroy(disp->core, &disp->mast.base);
 
         nouveau_bo_unmap(disp->sync);
+        if (disp->sync)
+                nouveau_bo_unpin(disp->sync);
         nouveau_bo_ref(NULL, &disp->sync);
 
         nouveau_display(dev)->priv = NULL;
@@ -1957,8 +1969,11 @@ nv50_display_create(struct drm_device *dev)
                              0, 0x0000, NULL, &disp->sync);
         if (!ret) {
                 ret = nouveau_bo_pin(disp->sync, TTM_PL_FLAG_VRAM);
-                if (!ret)
+                if (!ret) {
                         ret = nouveau_bo_map(disp->sync);
+                        if (ret)
+                                nouveau_bo_unpin(disp->sync);
+                }
                 if (ret)
                         nouveau_bo_ref(NULL, &disp->sync);
         }
diff --git a/drivers/gpu/drm/nouveau/nv50_fence.c b/drivers/gpu/drm/nouveau/nv50_fence.c
index e0763ea88ee2..c20f2727ea0b 100644
--- a/drivers/gpu/drm/nouveau/nv50_fence.c
+++ b/drivers/gpu/drm/nouveau/nv50_fence.c
@@ -110,8 +110,11 @@ nv50_fence_create(struct nouveau_drm *drm)
                              0, 0x0000, NULL, &priv->bo);
         if (!ret) {
                 ret = nouveau_bo_pin(priv->bo, TTM_PL_FLAG_VRAM);
-                if (!ret)
+                if (!ret) {
                         ret = nouveau_bo_map(priv->bo);
+                        if (ret)
+                                nouveau_bo_unpin(priv->bo);
+                }
                 if (ret)
                         nouveau_bo_ref(NULL, &priv->bo);
         }
diff --git a/drivers/gpu/drm/nouveau/nvc0_fence.c b/drivers/gpu/drm/nouveau/nvc0_fence.c
index 2747baaa3c39..2a56b1b551cb 100644
--- a/drivers/gpu/drm/nouveau/nvc0_fence.c
+++ b/drivers/gpu/drm/nouveau/nvc0_fence.c
@@ -190,6 +190,8 @@ nvc0_fence_destroy(struct nouveau_drm *drm)
 {
         struct nvc0_fence_priv *priv = drm->fence;
         nouveau_bo_unmap(priv->bo);
+        if (priv->bo)
+                nouveau_bo_unpin(priv->bo);
         nouveau_bo_ref(NULL, &priv->bo);
         drm->fence = NULL;
         kfree(priv);
@@ -219,8 +221,11 @@ nvc0_fence_create(struct nouveau_drm *drm)
                              TTM_PL_FLAG_VRAM, 0, 0, NULL, &priv->bo);
         if (ret == 0) {
                 ret = nouveau_bo_pin(priv->bo, TTM_PL_FLAG_VRAM);
-                if (ret == 0)
+                if (ret == 0) {
                         ret = nouveau_bo_map(priv->bo);
+                        if (ret)
+                                nouveau_bo_unpin(priv->bo);
+                }
                 if (ret)
                         nouveau_bo_ref(NULL, &priv->bo);
         }