rk fb: modify fb align for improve gpu ddr utilization

[firefly-linux-kernel-4.4.55.git] / include / linux / rk_fb.h

diff --git a/include/linux/rk_fb.h b/include/linux/rk_fb.h
index 9785847a635286945bca5ad14eec1fbb71225f31..45cd481daadf2f6791f8d13bfd23953c841e9481 100755 (executable)
--- a/include/linux/rk_fb.h
+++ b/include/linux/rk_fb.h
@@ -70,6 +70,7 @@
 #define RK_FBIOGET_DSP_ADDR                            0x4630
 #define RK_FBIOGET_LIST_STA                            0X4631
 #define RK_FBIOGET_IOMMU_STA                           0x4632
+#define RK_FBIOSET_CLEAR_FB                            0x4633
 
 
 /**rk fb events**/
@@ -85,6 +86,17 @@
 #define Y_MIRROR       2
 #define X_Y_MIRROR     3
 
+
+/**
+* pixel align value for gpu,align as 64 bytes in an odd number of times
+*/
+#define ALIGN_PIXEL_64BYTE_RGB565              32      /* 64/2*/
+#define ALIGN_PIXEL_64BYTE_RGB8888             16      /* 64/4*/
+#define ALIGN_N_TIMES(x, align)                        (((x) % (align) == 0) ? (x) : (((x) + ((align) - 1)) & (~((align) - 1))))
+#define ALIGN_ODD_TIMES(x, align)              (((x) % ((align) * 2) == 0) ? ((x) + (align)) : (x))
+#define ALIGN_64BYTE_ODD_TIMES(x, align)       ALIGN_ODD_TIMES(ALIGN_N_TIMES(x, align), align)
+
+
 //#define USE_ION_MMU 1
 #if defined(CONFIG_ION_ROCKCHIP)
 extern struct ion_client *rockchip_ion_client_create(const char * name);