Merge branch 'etnaviv/next' of https://git.pengutronix.de/git/lst/linux into drm-next

things are still slow in etnaviv land, so we don't have anything major
to destage. Just a couple of non-critical fixes that I want to land in
5.2.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1556874643.2590.15.camel@pengutronix.de

drivers/gpu/drm/etnaviv/etnaviv_drv.c

@@ -514,6 +514,9 @@ static int etnaviv_bind(struct device *dev)
 	}
 	drm->dev_private = priv;
 
+	dev->dma_parms = &priv->dma_parms;
+	dma_set_max_seg_size(dev, SZ_2G);
+
 	mutex_init(&priv->gem_lock);
 	INIT_LIST_HEAD(&priv->gem_list);
 	priv->num_gpus = 0;
@@ -551,6 +554,8 @@ static void etnaviv_unbind(struct device *dev)
 
 	component_unbind_all(dev, drm);
 
+	dev->dma_parms = NULL;
+
 	drm->dev_private = NULL;
 	kfree(priv);
 

drivers/gpu/drm/etnaviv/etnaviv_drv.h

@@ -42,6 +42,7 @@ struct etnaviv_file_private {
 
 struct etnaviv_drm_private {
 	int num_gpus;
+	struct device_dma_parameters dma_parms;
 	struct etnaviv_gpu *gpu[ETNA_MAX_PIPES];
 
 	/* list of GEM objects: */

drivers/gpu/drm/etnaviv/etnaviv_gem.c

@@ -622,23 +622,17 @@ int etnaviv_gem_new_handle(struct drm_device *dev, struct drm_file *file,
 	lockdep_set_class(&to_etnaviv_bo(obj)->lock, &etnaviv_shm_lock_class);
 
 	ret = drm_gem_object_init(dev, obj, size);
-	if (ret == 0) {
-		struct address_space *mapping;
+	if (ret)
+		goto fail;
 
 	/*
-		 * Our buffers are kept pinned, so allocating them
-		 * from the MOVABLE zone is a really bad idea, and
-		 * conflicts with CMA. See comments above new_inode()
-		 * why this is required _and_ expected if you're
+	 * Our buffers are kept pinned, so allocating them from the MOVABLE
+	 * zone is a really bad idea, and conflicts with CMA. See comments
+	 * above new_inode() why this is required _and_ expected if you're
 	 * going to pin these pages.
 	 */
-		mapping = obj->filp->f_mapping;
-		mapping_set_gfp_mask(mapping, GFP_HIGHUSER |
+	mapping_set_gfp_mask(obj->filp->f_mapping, GFP_HIGHUSER |
 			     __GFP_RETRY_MAYFAIL | __GFP_NOWARN);
-	}
-
-	if (ret)
-		goto fail;
 
 	etnaviv_gem_obj_add(dev, obj);
 

drivers/gpu/drm/etnaviv/etnaviv_gpu.c

@@ -365,6 +365,7 @@ static void etnaviv_hw_identify(struct etnaviv_gpu *gpu)
 	dev_info(gpu->dev, "model: GC%x, revision: %x\n",
 		 gpu->identity.model, gpu->identity.revision);
 
+	gpu->idle_mask = ~VIVS_HI_IDLE_STATE_AXI_LP;
 	/*
 	 * If there is a match in the HWDB, we aren't interested in the
 	 * remaining register values, as they might be wrong.
@@ -412,7 +413,7 @@ static void etnaviv_hw_identify(struct etnaviv_gpu *gpu)
 	}
 
 	/* GC600 idle register reports zero bits where modules aren't present */
-	if (gpu->identity.model == chipModel_GC600) {
+	if (gpu->identity.model == chipModel_GC600)
 		gpu->idle_mask = VIVS_HI_IDLE_STATE_TX |
 				 VIVS_HI_IDLE_STATE_RA |
 				 VIVS_HI_IDLE_STATE_SE |
@@ -421,9 +422,6 @@ static void etnaviv_hw_identify(struct etnaviv_gpu *gpu)
 				 VIVS_HI_IDLE_STATE_PE |
 				 VIVS_HI_IDLE_STATE_DE |
 				 VIVS_HI_IDLE_STATE_FE;
-	} else {
-		gpu->idle_mask = ~VIVS_HI_IDLE_STATE_AXI_LP;
-	}
 
 	etnaviv_hw_specs(gpu);
 }