patches.baytrail/1003-drm-hide-legacy-sg-cleanup-better-from-common-code.patch

From c1de56f94579ce9aa93c273b1438ff20735c1a7d Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu, 8 Aug 2013 15:41:17 +0200
Subject: drm: hide legacy sg cleanup better from common code

I've decided that some clear markers for what's legacy dri1/non-gem
code is useful. I've opted to use the drm_legacy prefix and then hide
all the checks in that function for better readability in the common
code.

Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit 3d914e8357256e7e92d1b7dd2dda9cf94e39c4e8)
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
---
 drivers/gpu/drm/drm_drv.c     |  6 +-----
 drivers/gpu/drm/drm_scatter.c | 10 +++++++++-
 include/drm/drmP.h            |  2 +-
 3 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 9f571b8ade38..45a2ea10b1c9 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -196,11 +196,7 @@ int drm_lastclose(struct drm_device * dev)
 
 	drm_agp_clear(dev);
 
-	if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg &&
-	    !drm_core_check_feature(dev, DRIVER_MODESET)) {
-		drm_sg_cleanup(dev->sg);
-		dev->sg = NULL;
-	}
+	drm_legacy_sg_cleanup(dev);
 
 	/* Clear vma list (only built for debugging) */
 	list_for_each_entry_safe(vma, vma_temp, &dev->vmalist, head) {
diff --git a/drivers/gpu/drm/drm_scatter.c b/drivers/gpu/drm/drm_scatter.c
index a4a076ff1757..dd8a6480065c 100644
--- a/drivers/gpu/drm/drm_scatter.c
+++ b/drivers/gpu/drm/drm_scatter.c
@@ -46,7 +46,7 @@ static inline void *drm_vmalloc_dma(unsigned long size)
 #endif
 }
 
-void drm_sg_cleanup(struct drm_sg_mem * entry)
+static void drm_sg_cleanup(struct drm_sg_mem * entry)
 {
 	struct page *page;
 	int i;
@@ -64,6 +64,14 @@ void drm_sg_cleanup(struct drm_sg_mem * entry)
 	kfree(entry);
 }
 
+void drm_legacy_sg_cleanup(struct drm_device *dev)
+{
+	if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg &&
+	    !drm_core_check_feature(dev, DRIVER_MODESET)) {
+		drm_sg_cleanup(dev->sg);
+		dev->sg = NULL;
+	}
+}
 #ifdef _LP64
 # define ScatterHandle(x) (unsigned int)((x >> 32) + (x & ((1L << 32) - 1)))
 #else
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index afa0b34c90ad..4b76bd8dfc32 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1540,7 +1540,7 @@ extern int drm_vma_info(struct seq_file *m, void *data);
 #endif
 
 				/* Scatter Gather Support (drm_scatter.h) */
-extern void drm_sg_cleanup(struct drm_sg_mem * entry);
+extern void drm_legacy_sg_cleanup(struct drm_device *dev);
 extern int drm_sg_alloc(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
 extern int drm_sg_free(struct drm_device *dev, void *data,
-- 
1.8.5.rc3