From 7867bff00caeff9e1fbe569ca3d37b94f704a4cd Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 1 Jun 2012 23:22:31 +0100
Subject: [PATCH] sna: Replace invalid signed value with unsigned ~0 for
 uint8_t

Reported-by: Zdenek Kabelac <zkabelac@redhat.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 src/sna/gen4_render.c | 4 ++--
 src/sna/gen5_render.c | 4 ++--
 src/sna/gen6_render.c | 4 ++--
 src/sna/gen7_render.c | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/sna/gen4_render.c b/src/sna/gen4_render.c
index 553cea87..f982b41f 100644
--- a/src/sna/gen4_render.c
+++ b/src/sna/gen4_render.c
@@ -2916,7 +2916,7 @@ gen4_render_fill_boxes(struct sna *sna,
 	    (prefer_blt(sna) ||
 	     too_large(dst->drawable.width, dst->drawable.height) ||
 	     !gen4_check_dst_format(format))) {
-		uint8_t alu = -1;
+		uint8_t alu = ~0;
 
 		pixel = 0;
 		if (op == PictOpClear)
@@ -2929,7 +2929,7 @@ gen4_render_fill_boxes(struct sna *sna,
 						 format))
 			alu = GXcopy;
 
-		if (alu != -1 &&
+		if (alu != ~0 &&
 		    sna_blt_fill_boxes(sna, alu,
 				       dst_bo, dst->drawable.bitsPerPixel,
 				       pixel, box, n))
diff --git a/src/sna/gen5_render.c b/src/sna/gen5_render.c
index 8b970f4f..56db4a00 100644
--- a/src/sna/gen5_render.c
+++ b/src/sna/gen5_render.c
@@ -3250,7 +3250,7 @@ gen5_render_fill_boxes(struct sna *sna,
 	    (prefer_blt_fill(sna) ||
 	     too_large(dst->drawable.width, dst->drawable.height) ||
 	     !gen5_check_dst_format(format))) {
-		uint8_t alu = -1;
+		uint8_t alu = ~0;
 
 		pixel = 0;
 		if (op == PictOpClear)
@@ -3263,7 +3263,7 @@ gen5_render_fill_boxes(struct sna *sna,
 						 format))
 			alu = GXcopy;
 
-		if (alu != -1 &&
+		if (alu != ~0 &&
 		    sna_blt_fill_boxes(sna, alu,
 				       dst_bo, dst->drawable.bitsPerPixel,
 				       pixel, box, n))
diff --git a/src/sna/gen6_render.c b/src/sna/gen6_render.c
index df2eeb2e..cc6cc508 100644
--- a/src/sna/gen6_render.c
+++ b/src/sna/gen6_render.c
@@ -3661,7 +3661,7 @@ gen6_render_fill_boxes(struct sna *sna,
 	    (prefer_blt_fill(sna, dst_bo) ||
 	     too_large(dst->drawable.width, dst->drawable.height) ||
 	     !gen6_check_dst_format(format))) {
-		uint8_t alu = -1;
+		uint8_t alu = ~0;
 
 		pixel = 0;
 		if (op == PictOpClear)
@@ -3674,7 +3674,7 @@ gen6_render_fill_boxes(struct sna *sna,
 						 format))
 			alu = GXcopy;
 
-		if (alu != -1 &&
+		if (alu != ~0 &&
 		    sna_blt_fill_boxes(sna, alu,
 				       dst_bo, dst->drawable.bitsPerPixel,
 				       pixel, box, n))
diff --git a/src/sna/gen7_render.c b/src/sna/gen7_render.c
index 6bf25d32..2ee5b6f6 100644
--- a/src/sna/gen7_render.c
+++ b/src/sna/gen7_render.c
@@ -3743,7 +3743,7 @@ gen7_render_fill_boxes(struct sna *sna,
 	    (prefer_blt_fill(sna, dst_bo) ||
 	     too_large(dst->drawable.width, dst->drawable.height) ||
 	     !gen7_check_dst_format(format))) {
-		uint8_t alu = -1;
+		uint8_t alu = ~0;
 
 		pixel = 0;
 		if (op == PictOpClear)
@@ -3756,7 +3756,7 @@ gen7_render_fill_boxes(struct sna *sna,
 						 format))
 			alu = GXcopy;
 
-		if (alu != -1 &&
+		if (alu != ~0 &&
 		    sna_blt_fill_boxes(sna, alu,
 				       dst_bo, dst->drawable.bitsPerPixel,
 				       pixel, box, n))