Merge remote branch 'nouveau/for-airlied' of /ssd/git/drm-nouveau-next into drm-linus

* 'nouveau/for-airlied' of /ssd/git/drm-nouveau-next:
  drm/nouveau: remove use of -ERESTART
  nouveau: Fix endianness with new context program loader
  drm/nouveau: fix build with CONFIG_AGP=n
  drm/nouveau: fix ch7006 build

drivers/gpu/drm/nouveau/Kconfig

@@ -30,11 +30,12 @@ config DRM_NOUVEAU_DEBUG
 	  via debugfs.
 
 menu "I2C encoder or helper chips"
-     depends on DRM
+     depends on DRM && I2C
 
 config DRM_I2C_CH7006
 	tristate "Chrontel ch7006 TV encoder"
-	default m if DRM_NOUVEAU
+	depends on DRM_NOUVEAU
+	default m
 	help
 	  Support for Chrontel ch7006 and similar TV encoders, found
 	  on some nVidia video cards.

drivers/gpu/drm/nouveau/nouveau_bo.c

@@ -311,8 +311,10 @@ nouveau_bo_create_ttm_backend_entry(struct ttm_bo_device *bdev)
 	struct drm_device *dev = dev_priv->dev;
 
 	switch (dev_priv->gart_info.type) {
+#if __OS_HAS_AGP
 	case NOUVEAU_GART_AGP:
 		return ttm_agp_backend_init(bdev, dev->agp->bridge);
+#endif
 	case NOUVEAU_GART_SGDMA:
 		return nouveau_sgdma_init_ttm(dev);
 	default:

drivers/gpu/drm/nouveau/nouveau_fence.c

@@ -205,7 +205,7 @@ nouveau_fence_wait(void *sync_obj, void *sync_arg, bool lazy, bool intr)
 			schedule_timeout(1);
 
 		if (intr && signal_pending(current)) {
-			ret = -ERESTART;
+			ret = -ERESTARTSYS;
 			break;
 		}
 	}

drivers/gpu/drm/nouveau/nouveau_gem.c

@@ -342,8 +342,6 @@ validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
 			}
 
 			ret = ttm_bo_wait_cpu(&nvbo->bo, false);
-			if (ret == -ERESTART)
-				ret = -EAGAIN;
 			if (ret)
 				return ret;
 			goto retry;
@@ -915,8 +913,6 @@ nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
 			goto out;
 
 		ret = ttm_bo_wait_cpu(&nvbo->bo, no_wait);
-		if (ret == -ERESTART)
-			ret = -EAGAIN;
 		if (ret)
 			goto out;
 	}
@@ -925,9 +921,6 @@ nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
 		ret = ttm_bo_wait(&nvbo->bo, false, false, no_wait);
 	} else {
 		ret = ttm_bo_synccpu_write_grab(&nvbo->bo, no_wait);
-		if (ret == -ERESTART)
-			ret = -EAGAIN;
-		else
 		if (ret == 0)
 			nvbo->cpu_filp = file_priv;
 	}

drivers/gpu/drm/nouveau/nouveau_mem.c

@@ -407,6 +407,7 @@ uint64_t nouveau_mem_fb_amount(struct drm_device *dev)
 	return 0;
 }
 
+#if __OS_HAS_AGP
 static void nouveau_mem_reset_agp(struct drm_device *dev)
 {
 	uint32_t saved_pci_nv_1, saved_pci_nv_19, pmc_enable;
@@ -432,10 +433,12 @@ static void nouveau_mem_reset_agp(struct drm_device *dev)
 	nv_wr32(dev, NV04_PBUS_PCI_NV_19, saved_pci_nv_19);
 	nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1);
 }
+#endif
 
 int
 nouveau_mem_init_agp(struct drm_device *dev)
 {
+#if __OS_HAS_AGP
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct drm_agp_info info;
 	struct drm_agp_mode mode;
@@ -471,6 +474,7 @@ nouveau_mem_init_agp(struct drm_device *dev)
 	dev_priv->gart_info.type	= NOUVEAU_GART_AGP;
 	dev_priv->gart_info.aper_base	= info.aperture_base;
 	dev_priv->gart_info.aper_size	= info.aperture_size;
+#endif
 	return 0;
 }
 

drivers/gpu/drm/nouveau/nv40_graph.c

@@ -252,8 +252,9 @@ nv40_grctx_init(struct drm_device *dev)
 		memcpy(pgraph->ctxprog, fw->data, fw->size);
 
 		cp = pgraph->ctxprog;
-		if (cp->signature != 0x5043564e || cp->version != 0 ||
-		    cp->length != ((fw->size - 7) / 4)) {
+		if (le32_to_cpu(cp->signature) != 0x5043564e ||
+		    cp->version != 0 ||
+		    le16_to_cpu(cp->length) != ((fw->size - 7) / 4)) {
 			NV_ERROR(dev, "ctxprog invalid\n");
 			release_firmware(fw);
 			nv40_grctx_fini(dev);
@@ -281,8 +282,9 @@ nv40_grctx_init(struct drm_device *dev)
 		memcpy(pgraph->ctxvals, fw->data, fw->size);
 
 		cv = (void *)pgraph->ctxvals;
-		if (cv->signature != 0x5643564e || cv->version != 0 ||
-		    cv->length != ((fw->size - 9) / 8)) {
+		if (le32_to_cpu(cv->signature) != 0x5643564e ||
+		    cv->version != 0 ||
+		    le32_to_cpu(cv->length) != ((fw->size - 9) / 8)) {
 			NV_ERROR(dev, "ctxvals invalid\n");
 			release_firmware(fw);
 			nv40_grctx_fini(dev);
@@ -294,8 +296,9 @@ nv40_grctx_init(struct drm_device *dev)
 	cp = pgraph->ctxprog;
 
 	nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
-	for (i = 0; i < cp->length; i++)
-		nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp->data[i]);
+	for (i = 0; i < le16_to_cpu(cp->length); i++)
+		nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA,
+			le32_to_cpu(cp->data[i]));
 
 	pgraph->accel_blocked = false;
 	return 0;
@@ -329,8 +332,9 @@ nv40_grctx_vals_load(struct drm_device *dev, struct nouveau_gpuobj *ctx)
 	if (!cv)
 		return;
 
-	for (i = 0; i < cv->length; i++)
-		nv_wo32(dev, ctx, cv->data[i].offset, cv->data[i].value);
+	for (i = 0; i < le32_to_cpu(cv->length); i++)
+		nv_wo32(dev, ctx, le32_to_cpu(cv->data[i].offset),
+			le32_to_cpu(cv->data[i].value));
 }
 
 /*