These changes are the raw update to linux-4.4.6-rt14. Kernel sources

are taken from kernel.org, and rt patch from the rt wiki download page.

During the rebasing, the following patch collided:

Force tick interrupt and get rid of softirq magic(I70131fb85).

Collisions have been removed because its logic was found on the
source already.

Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>

3 files changed, 17 insertions, 39 deletions

diff --git a/kernel/drivers/gpu/drm/bochs/bochs_drv.c b/kernel/drivers/gpu/drm/bochs/bochs_drv.c
index 98837bde2..7f1a3604b 100644
--- a/kernel/drivers/gpu/drm/bochs/bochs_drv.c
+++ b/kernel/drivers/gpu/drm/bochs/bochs_drv.c
@@ -109,7 +109,7 @@ static int bochs_pm_suspend(struct device *dev)
 
 	if (bochs->fb.initialized) {
 		console_lock();
-		fb_set_suspend(bochs->fb.helper.fbdev, 1);
+		drm_fb_helper_set_suspend(&bochs->fb.helper, 1);
 		console_unlock();
 	}
 
@@ -126,7 +126,7 @@ static int bochs_pm_resume(struct device *dev)
 
 	if (bochs->fb.initialized) {
 		console_lock();
-		fb_set_suspend(bochs->fb.helper.fbdev, 0);
+		drm_fb_helper_set_suspend(&bochs->fb.helper, 0);
 		console_unlock();
 	}
 
diff --git a/kernel/drivers/gpu/drm/bochs/bochs_fbdev.c b/kernel/drivers/gpu/drm/bochs/bochs_fbdev.c
index 976d9798d..09a0637aa 100644
--- a/kernel/drivers/gpu/drm/bochs/bochs_fbdev.c
+++ b/kernel/drivers/gpu/drm/bochs/bochs_fbdev.c
@@ -24,9 +24,9 @@ static struct fb_ops bochsfb_ops = {
 	.owner = THIS_MODULE,
 	.fb_check_var = drm_fb_helper_check_var,
 	.fb_set_par = drm_fb_helper_set_par,
-	.fb_fillrect = sys_fillrect,
-	.fb_copyarea = sys_copyarea,
-	.fb_imageblit = sys_imageblit,
+	.fb_fillrect = drm_fb_helper_sys_fillrect,
+	.fb_copyarea = drm_fb_helper_sys_copyarea,
+	.fb_imageblit = drm_fb_helper_sys_imageblit,
 	.fb_pan_display = drm_fb_helper_pan_display,
 	.fb_blank = drm_fb_helper_blank,
 	.fb_setcmap = drm_fb_helper_setcmap,
@@ -56,11 +56,9 @@ static int bochsfb_create(struct drm_fb_helper *helper,
 {
 	struct bochs_device *bochs =
 		container_of(helper, struct bochs_device, fb.helper);
-	struct drm_device *dev = bochs->dev;
 	struct fb_info *info;
 	struct drm_framebuffer *fb;
 	struct drm_mode_fb_cmd2 mode_cmd;
-	struct device *device = &dev->pdev->dev;
 	struct drm_gem_object *gobj = NULL;
 	struct bochs_bo *bo = NULL;
 	int size, ret;
@@ -106,22 +104,23 @@ static int bochsfb_create(struct drm_fb_helper *helper,
 	ttm_bo_unreserve(&bo->bo);
 
 	/* init fb device */
-	info = framebuffer_alloc(0, device);
-	if (info == NULL)
-		return -ENOMEM;
+	info = drm_fb_helper_alloc_fbi(helper);
+	if (IS_ERR(info))
+		return PTR_ERR(info);
 
 	info->par = &bochs->fb.helper;
 
 	ret = bochs_framebuffer_init(bochs->dev, &bochs->fb.gfb, &mode_cmd, gobj);
-	if (ret)
+	if (ret) {
+		drm_fb_helper_release_fbi(helper);
 		return ret;
+	}
 
 	bochs->fb.size = size;
 
 	/* setup helper */
 	fb = &bochs->fb.gfb.base;
 	bochs->fb.helper.fb = fb;
-	bochs->fb.helper.fbdev = info;
 
 	strcpy(info->fix.id, "bochsdrmfb");
 
@@ -139,30 +138,17 @@ static int bochsfb_create(struct drm_fb_helper *helper,
 	info->fix.smem_start = 0;
 	info->fix.smem_len = size;
 
-	ret = fb_alloc_cmap(&info->cmap, 256, 0);
-	if (ret) {
-		DRM_ERROR("%s: can't allocate color map\n", info->fix.id);
-		return -ENOMEM;
-	}
-
 	return 0;
 }
 
 static int bochs_fbdev_destroy(struct bochs_device *bochs)
 {
 	struct bochs_framebuffer *gfb = &bochs->fb.gfb;
-	struct fb_info *info;
 
 	DRM_DEBUG_DRIVER("\n");
 
-	if (bochs->fb.helper.fbdev) {
-		info = bochs->fb.helper.fbdev;
-
-		unregister_framebuffer(info);
-		if (info->cmap.len)
-			fb_dealloc_cmap(&info->cmap);
-		framebuffer_release(info);
-	}
+	drm_fb_helper_unregister_fbi(&bochs->fb.helper);
+	drm_fb_helper_release_fbi(&bochs->fb.helper);
 
 	if (gfb->obj) {
 		drm_gem_object_unreference_unlocked(gfb->obj);
diff --git a/kernel/drivers/gpu/drm/bochs/bochs_mm.c b/kernel/drivers/gpu/drm/bochs/bochs_mm.c
index 66286ff51..f69e6bf9b 100644
--- a/kernel/drivers/gpu/drm/bochs/bochs_mm.c
+++ b/kernel/drivers/gpu/drm/bochs/bochs_mm.c
@@ -454,25 +454,17 @@ int bochs_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev,
 			   uint32_t handle, uint64_t *offset)
 {
 	struct drm_gem_object *obj;
-	int ret;
 	struct bochs_bo *bo;
 
-	mutex_lock(&dev->struct_mutex);
 	obj = drm_gem_object_lookup(dev, file, handle);
-	if (obj == NULL) {
-		ret = -ENOENT;
-		goto out_unlock;
-	}
+	if (obj == NULL)
+		return -ENOENT;
 
 	bo = gem_to_bochs_bo(obj);
 	*offset = bochs_bo_mmap_offset(bo);
 
-	drm_gem_object_unreference(obj);
-	ret = 0;
-out_unlock:
-	mutex_unlock(&dev->struct_mutex);
-	return ret;
-
+	drm_gem_object_unreference_unlocked(obj);
+	return 0;
 }
 
 /* ---------------------------------------------------------------------- */