video: Rename CONFIG_SYS_VIDEO_LOGO_MAX_SIZE

This option should not have the SYS_ in it. Drop it so it fits in with the
other video options.

Also simplify the alignment code in gunzip_bmp(), since malloc() always
returns a 32-bit-aligned pointer.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/menlo/m53menlo/m53menlo.c b/board/menlo/m53menlo/m53menlo.c
index 4afc5aa..14324c7 100644
--- a/board/menlo/m53menlo/m53menlo.c
+++ b/board/menlo/m53menlo/m53menlo.c
@@ -358,7 +358,7 @@
 		return 0;
 
 	addr = hextoul(s, NULL);
-	dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE);
+	dst = malloc(CONFIG_VIDEO_LOGO_MAX_SIZE);
 	if (!dst)
 		return -ENOMEM;
 
@@ -366,8 +366,8 @@
 	if (ret < 0)
 		goto splasherr;
 
-	len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
-	ret = gunzip(dst + 2, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE - 2,
+	len = CONFIG_VIDEO_LOGO_MAX_SIZE;
+	ret = gunzip(dst + 2, CONFIG_VIDEO_LOGO_MAX_SIZE - 2,
 		     (uchar *)addr, &len);
 	if (ret) {
 		printf("Error: no valid bmp or bmp.gz image at %lx\n", addr);
diff --git a/cmd/bmp.c b/cmd/bmp.c
index d72a826..5a3c8dd 100644
--- a/cmd/bmp.c
+++ b/cmd/bmp.c
@@ -48,27 +48,24 @@
 	/*
 	 * Decompress bmp image
 	 */
-	len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
+	len = CONFIG_VIDEO_LOGO_MAX_SIZE;
 	/* allocate extra 3 bytes for 32-bit-aligned-address + 2 alignment */
-	dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE + 3);
-	if (dst == NULL) {
+	dst = malloc(CONFIG_VIDEO_LOGO_MAX_SIZE + 3);
+	if (!dst) {
 		puts("Error: malloc in gunzip failed!\n");
 		return NULL;
 	}
 
-	bmp = dst;
-
 	/* align to 32-bit-aligned-address + 2 */
-	bmp = (struct bmp_image *)((((uintptr_t)dst + 1) & ~3) + 2);
+	bmp = dst + 2;
 
-	if (gunzip(bmp, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE, map_sysmem(addr, 0),
-		   &len) != 0) {
+	if (gunzip(bmp, CONFIG_VIDEO_LOGO_MAX_SIZE, map_sysmem(addr, 0),
+		   &len)) {
 		free(dst);
 		return NULL;
 	}
-	if (len == CONFIG_SYS_VIDEO_LOGO_MAX_SIZE)
-		puts("Image could be truncated"
-				" (increase CONFIG_SYS_VIDEO_LOGO_MAX_SIZE)!\n");
+	if (len == CONFIG_VIDEO_LOGO_MAX_SIZE)
+		puts("Image could be truncated (increase CONFIG_VIDEO_LOGO_MAX_SIZE)!\n");
 
 	/*
 	 * Check for bmp mark 'BM'
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 3e933ed..d160271 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -925,6 +925,9 @@
 	  images, gzipped BMP images can be displayed via the
 	  splashscreen support or the bmp command.
 
+config VIDEO_LOGO_MAX_SIZE
+	bool "Maximum size of the bitmap logo in bytes"
+
 config VIDEO_BMP_RLE8
 	bool "Run length encoded BMP image (RLE8) support"
 	depends on DM_VIDEO
diff --git a/include/configs/m53menlo.h b/include/configs/m53menlo.h
index 0499e63..139919f 100644
--- a/include/configs/m53menlo.h
+++ b/include/configs/m53menlo.h
@@ -81,7 +81,7 @@
 /*
  * LCD
  */
-#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE	(2 << 20)
+#define CONFIG_VIDEO_LOGO_MAX_SIZE	(2 << 20)
 
 /* LVDS display */
 #define CONFIG_SYS_LDB_CLOCK			33260000
diff --git a/include/configs/mx23evk.h b/include/configs/mx23evk.h
index 3507e83..69d4552 100644
--- a/include/configs/mx23evk.h
+++ b/include/configs/mx23evk.h
@@ -23,7 +23,7 @@
 
 /* Framebuffer support */
 #ifdef CONFIG_DM_VIDEO
-#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE	(512 << 10)
+#define CONFIG_VIDEO_LOGO_MAX_SIZE	(512 << 10)
 #endif
 
 /* Extra Environments */
diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h
index 9f3ac48..6c2fcbf 100644
--- a/include/configs/mx28evk.h
+++ b/include/configs/mx28evk.h
@@ -26,7 +26,7 @@
 
 /* Framebuffer support */
 #ifdef CONFIG_DM_VIDEO
-#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE	(512 << 10)
+#define CONFIG_VIDEO_LOGO_MAX_SIZE	(512 << 10)
 #endif
 
 /* Extra Environment */
diff --git a/include/configs/nitrogen6x.h b/include/configs/nitrogen6x.h
index 26e6de2..ee3c5e4 100644
--- a/include/configs/nitrogen6x.h
+++ b/include/configs/nitrogen6x.h
@@ -27,7 +27,7 @@
 #define CONFIG_MXC_USB_FLAGS	0
 
 /* Framebuffer and LCD */
-#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE (6 * 1024 * 1024)
+#define CONFIG_VIDEO_LOGO_MAX_SIZE (6 * 1024 * 1024)
 #define CONFIG_IMX_HDMI
 #define CONFIG_IMX_VIDEO_SKIP
 
diff --git a/include/configs/s5pc210_universal.h b/include/configs/s5pc210_universal.h
index 137537d..585c67b 100644
--- a/include/configs/s5pc210_universal.h
+++ b/include/configs/s5pc210_universal.h
@@ -121,6 +121,6 @@
  * LCD Settings
  */
 #define CONFIG_LD9040
-#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE ((500 * 160 * 4) + 54)
+#define CONFIG_VIDEO_LOGO_MAX_SIZE ((500 * 160 * 4) + 54)
 
 #endif	/* __CONFIG_H */
diff --git a/include/configs/trats.h b/include/configs/trats.h
index 530b413..973d159 100644
--- a/include/configs/trats.h
+++ b/include/configs/trats.h
@@ -148,6 +148,6 @@
 #define LCD_BPP			LCD_COLOR16
 
 /* LCD */
-#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE  ((500 * 160 * 4) + 54)
+#define CONFIG_VIDEO_LOGO_MAX_SIZE  ((500 * 160 * 4) + 54)
 
 #endif	/* __CONFIG_H */
diff --git a/include/configs/trats2.h b/include/configs/trats2.h
index 06c1fcd..24afc22 100644
--- a/include/configs/trats2.h
+++ b/include/configs/trats2.h
@@ -138,6 +138,6 @@
 #define LCD_BPP                 LCD_COLOR16
 
 /* LCD */
-#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE ((500 * 160 * 4) + 54)
+#define CONFIG_VIDEO_LOGO_MAX_SIZE ((500 * 160 * 4) + 54)
 
 #endif	/* __CONFIG_H */
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index e6ee4cf..18ccfc6 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -1279,7 +1279,6 @@
 CONFIG_SYS_VCXK_REQUEST_DDR
 CONFIG_SYS_VCXK_REQUEST_PIN
 CONFIG_SYS_VCXK_REQUEST_PORT
-CONFIG_SYS_VIDEO_LOGO_MAX_SIZE
 CONFIG_SYS_VSC7385_BASE
 CONFIG_SYS_VSC7385_BASE_PHYS
 CONFIG_SYS_VSC7385_BR_PRELIM
@@ -1347,6 +1346,7 @@
 CONFIG_U_BOOT_HDR_SIZE
 CONFIG_VAR_SIZE_SPL
 CONFIG_VERY_BIG_RAM
+CONFIG_VIDEO_LOGO_MAX_SIZE
 CONFIG_VSC7385_ENET
 CONFIG_VSC7385_IMAGE
 CONFIG_VSC7385_IMAGE_SIZE