[media] s5p-mfc: Reduce firmware buffer size for MFC v6+ variants

Firmware for MFC v6+ variants is not larger than 400 KiB, so there is no
need to allocate a full 1 MiB buffer for it. Reduce it to 512 KiB to keep
proper alignment of allocated buffer.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Andrzej Hajda <a.hajda@samsung.com>
Tested-by: Smitha T Murthy <smitha.t@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/s5p-mfc/regs-mfc-v6.h

@@ -403,7 +403,7 @@
 #define MFC_OTHER_ENC_CTX_BUF_SIZE_V6	(12 * SZ_1K)	/*  12KB */
 
 /* MFCv6 variant defines */
-#define MAX_FW_SIZE_V6			(SZ_1M)		/* 1MB */
+#define MAX_FW_SIZE_V6			(SZ_512K)	/* 512KB */
 #define MAX_CPB_SIZE_V6			(3 * SZ_1M)	/* 3MB */
 #define MFC_VERSION_V6			0x61
 #define MFC_NUM_PORTS_V6		1

drivers/media/platform/s5p-mfc/regs-mfc-v7.h

@@ -34,7 +34,7 @@
 #define S5P_FIMV_E_VP8_NUM_T_LAYER_V7			0xfdc4
 
 /* MFCv7 variant defines */
-#define MAX_FW_SIZE_V7			(SZ_1M)		/* 1MB */
+#define MAX_FW_SIZE_V7			(SZ_512K)	/* 512KB */
 #define MAX_CPB_SIZE_V7			(3 * SZ_1M)	/* 3MB */
 #define MFC_VERSION_V7			0x72
 #define MFC_NUM_PORTS_V7		1

drivers/media/platform/s5p-mfc/regs-mfc-v8.h

@@ -116,7 +116,7 @@
 #define S5P_FIMV_D_ALIGN_PLANE_SIZE_V8	64
 
 /* MFCv8 variant defines */
-#define MAX_FW_SIZE_V8			(SZ_1M)		/* 1MB */
+#define MAX_FW_SIZE_V8			(SZ_512K)	/* 512KB */
 #define MAX_CPB_SIZE_V8			(3 * SZ_1M)	/* 3MB */
 #define MFC_VERSION_V8			0x80
 #define MFC_NUM_PORTS_V8		1