8 files changed, 64 insertions, 4 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index ddbabefb4273..b12fd2c80812 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -369,3 +369,48 @@ nouveau_finish_page_flip(struct nouveau_channel *chan,
         spin_unlock_irqrestore(&dev->event_lock, flags);
         return 0;
 }
+
+int
+nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
+                            struct drm_mode_create_dumb *args)
+{
+        struct nouveau_bo *bo;
+        int ret;
+
+        args->pitch = roundup(args->width * (args->bpp / 8), 256);
+        args->size = args->pitch * args->height;
+        args->size = roundup(args->size, PAGE_SIZE);
+
+        ret = nouveau_gem_new(dev, args->size, 0, TTM_PL_FLAG_VRAM, 0, 0, &bo);
+        if (ret)
+                return ret;
+
+        ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle);
+        drm_gem_object_unreference_unlocked(bo->gem);
+        return ret;
+}
+
+int
+nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev,
+                             uint32_t handle)
+{
+        return drm_gem_handle_delete(file_priv, handle);
+}
+
+int
+nouveau_display_dumb_map_offset(struct drm_file *file_priv,
+                                struct drm_device *dev,
+                                uint32_t handle, uint64_t *poffset)
+{
+        struct drm_gem_object *gem;
+
+        gem = drm_gem_object_lookup(dev, file_priv, handle);
+        if (gem) {
+                struct nouveau_bo *bo = gem->driver_private;
+                *poffset = bo->bo.addr_space_offset;
+                drm_gem_object_unreference_unlocked(gem);
+                return 0;
+        }
+
+        return -ENOENT;
+}
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 9f7bb1295262..9791d13c9e3b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -433,6 +433,10 @@ static struct drm_driver driver = {
         .gem_open_object = nouveau_gem_object_open,
         .gem_close_object = nouveau_gem_object_close,
 
+        .dumb_create = nouveau_display_dumb_create,
+        .dumb_map_offset = nouveau_display_dumb_map_offset,
+        .dumb_destroy = nouveau_display_dumb_destroy,
+
         .name = DRIVER_NAME,
         .desc = DRIVER_DESC,
 #ifdef GIT_REVISION
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 29837da1098b..4c0be3a4ed88 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -1418,6 +1418,12 @@ int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
                            struct drm_pending_vblank_event *event);
 int nouveau_finish_page_flip(struct nouveau_channel *,
                              struct nouveau_page_flip_state *);
+int nouveau_display_dumb_create(struct drm_file *, struct drm_device *,
+                                struct drm_mode_create_dumb *args);
+int nouveau_display_dumb_map_offset(struct drm_file *, struct drm_device *,
+                                    uint32_t handle, uint64_t *offset);
+int nouveau_display_dumb_destroy(struct drm_file *, struct drm_device *,
+                                 uint32_t handle);
 
 /* nv10_gpio.c */
 int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c
index 02222c540aee..960c0ae0c0c3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_object.c
+++ b/drivers/gpu/drm/nouveau/nouveau_object.c
@@ -680,7 +680,7 @@ nouveau_gpuobj_channel_init_pramin(struct nouveau_channel *chan)
                 return ret;
         }
 
-        ret = drm_mm_init(&chan->ramin_heap, base, size);
+        ret = drm_mm_init(&chan->ramin_heap, base, size - base);
         if (ret) {
                 NV_ERROR(dev, "Error creating PRAMIN heap: %d\n", ret);
                 nouveau_gpuobj_ref(NULL, &chan->ramin);
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index b75258a9fe44..c8a463b76c89 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -67,7 +67,10 @@ nouveau_sgdma_clear(struct ttm_backend *be)
                         pci_unmap_page(dev->pdev, nvbe->pages[nvbe->nr_pages],
                                        PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
                 }
+                nvbe->unmap_pages = false;
         }
+
+        nvbe->pages = NULL;
 }
 
 static void
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index d23ca00e7d62..06de250fe617 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -616,7 +616,7 @@ nv50_display_unk10_handler(struct drm_device *dev)
         struct drm_nouveau_private *dev_priv = dev->dev_private;
         struct nv50_display *disp = nv50_display(dev);
         u32 unk30 = nv_rd32(dev, 0x610030), mc;
-        int i, crtc, or, type = OUTPUT_ANY;
+        int i, crtc, or = 0, type = OUTPUT_ANY;
 
         NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30);
         disp->irq.dcb = NULL;
@@ -708,7 +708,7 @@ nv50_display_unk20_handler(struct drm_device *dev)
         struct nv50_display *disp = nv50_display(dev);
         u32 unk30 = nv_rd32(dev, 0x610030), tmp, pclk, script, mc = 0;
         struct dcb_entry *dcb;
-        int i, crtc, or, type = OUTPUT_ANY;
+        int i, crtc, or = 0, type = OUTPUT_ANY;
 
         NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30);
         dcb = disp->irq.dcb;
diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c b/drivers/gpu/drm/nouveau/nvc0_graph.c
index a74e501afd25..ecfafd70cf0e 100644
--- a/drivers/gpu/drm/nouveau/nvc0_graph.c
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.c
@@ -381,6 +381,8 @@ nvc0_graph_init_gpc_0(struct drm_device *dev)
         u8  tpnr[GPC_MAX];
         int i, gpc, tpc;
 
+        nv_wr32(dev, TP_UNIT(0, 0, 0x5c), 1); /* affects TFB offset queries */
+
         /*
          *      TP      ROP UNKVAL(magic_not_rop_nr)
          * 450: 4/0/0/0 2        3
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index 23d63b4b3d77..cb006a718e70 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -780,7 +780,7 @@ nvd0_sor_dpms(struct drm_encoder *encoder, int mode)
                         continue;
 
                 if (nv_partner != nv_encoder &&
-                    nv_partner->dcb->or == nv_encoder->or) {
+                    nv_partner->dcb->or == nv_encoder->dcb->or) {
                         if (nv_partner->last_dpms == DRM_MODE_DPMS_ON)
                                 return;
                         break;