From e29971f9a4ca08c3c31b98be96c293ef9f7dcc32 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@linux.ie>
Date: Thu, 20 Oct 2005 23:49:00 +0100
Subject: [PATCH] drm: another mga bug

The wrong state emission routines were being called for G550, and
consistent maps weren't correctly mapped...

Signed-off-by: Dave Airlie <airlied@linux.ie>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c
index ced4215..39ea96e 100644
--- a/drivers/char/drm/drm_vm.c
+++ b/drivers/char/drm/drm_vm.c
@@ -148,7 +148,8 @@ static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma,
 
 	offset	 = address - vma->vm_start;
 	i = (unsigned long)map->handle + offset;
-	page = vmalloc_to_page((void *)i);
+	page = (map->type == _DRM_CONSISTENT) ?
+		virt_to_page((void *)i) : vmalloc_to_page((void *)i);
 	if (!page)
 		return NOPAGE_OOM;
 	get_page(page);
diff --git a/drivers/char/drm/mga_drv.h b/drivers/char/drm/mga_drv.h
index b22fdbd..6059c5a 100644
--- a/drivers/char/drm/mga_drv.h
+++ b/drivers/char/drm/mga_drv.h
@@ -227,7 +227,7 @@ static inline u32 _MGA_READ(u32 *addr)
 #define MGA_EMIT_STATE( dev_priv, dirty )				\
 do {									\
 	if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) {			\
-		if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {	\
+		if ( dev_priv->chipset >= MGA_CARD_TYPE_G400 ) {	\
 			mga_g400_emit_state( dev_priv );		\
 		} else {						\
 			mga_g200_emit_state( dev_priv );		\
diff --git a/drivers/char/drm/mga_state.c b/drivers/char/drm/mga_state.c
index 05bbb47..6ac5e00 100644
--- a/drivers/char/drm/mga_state.c
+++ b/drivers/char/drm/mga_state.c
@@ -53,7 +53,7 @@ static void mga_emit_clip_rect( drm_mga_private_t *dev_priv,
 
 	/* Force reset of DWGCTL on G400 (eliminates clip disable bit).
 	 */
-	if (dev_priv->chipset == MGA_CARD_TYPE_G400) {
+	if (dev_priv->chipset >= MGA_CARD_TYPE_G400) {
 		DMA_BLOCK(MGA_DWGCTL, ctx->dwgctl,
 			  MGA_LEN + MGA_EXEC, 0x80000000,
 			  MGA_DWGCTL, ctx->dwgctl,
-- 
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