diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index c36b830..958cf3c 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -167,7 +167,6 @@
 	struct drm_framebuffer *fb;
 	struct drm_gem_object *gobj = NULL;
 	struct device *device = &dev->pdev->dev;
-	struct mgag200_bo *bo;
 	int ret;
 	void *sysram;
 	int size;
@@ -185,7 +184,6 @@
 		DRM_ERROR("failed to create fbcon backing object %d\n", ret);
 		return ret;
 	}
-	bo = gem_to_mga_bo(gobj);
 
 	sysram = vmalloc(size);
 	if (!sysram)
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 6e84df9..67ae9f7 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -158,7 +158,7 @@
 static int mga_g200wb_set_plls(struct mga_device *mdev, long clock)
 {
 	unsigned int vcomax, vcomin, pllreffreq;
-	unsigned int delta, tmpdelta, permitteddelta;
+	unsigned int delta, tmpdelta;
 	unsigned int testp, testm, testn;
 	unsigned int p, m, n;
 	unsigned int computed;
@@ -172,7 +172,6 @@
 	pllreffreq = 48000;
 
 	delta = 0xffffffff;
-	permitteddelta = clock * 5 / 1000;
 
 	for (testp = 1; testp < 9; testp++) {
 		if (clock * testp > vcomax)
@@ -298,7 +297,7 @@
 static int mga_g200ev_set_plls(struct mga_device *mdev, long clock)
 {
 	unsigned int vcomax, vcomin, pllreffreq;
-	unsigned int delta, tmpdelta, permitteddelta;
+	unsigned int delta, tmpdelta;
 	unsigned int testp, testm, testn;
 	unsigned int p, m, n;
 	unsigned int computed;
@@ -310,7 +309,6 @@
 	pllreffreq = 50000;
 
 	delta = 0xffffffff;
-	permitteddelta = clock * 5 / 1000;
 
 	for (testp = 16; testp > 0; testp--) {
 		if (clock * testp > vcomax)
@@ -392,7 +390,7 @@
 static int mga_g200eh_set_plls(struct mga_device *mdev, long clock)
 {
 	unsigned int vcomax, vcomin, pllreffreq;
-	unsigned int delta, tmpdelta, permitteddelta;
+	unsigned int delta, tmpdelta;
 	unsigned int testp, testm, testn;
 	unsigned int p, m, n;
 	unsigned int computed;
@@ -406,7 +404,6 @@
 	pllreffreq = 33333;
 
 	delta = 0xffffffff;
-	permitteddelta = clock * 5 / 1000;
 
 	for (testp = 16; testp > 0; testp >>= 1) {
 		if (clock * testp > vcomax)