board-msm7x30: display: Add writeback memory
Add memory to support overlay writeback
CRs-Fixed: 313524
Change-Id: Ia20a939e0a3021d4e1677e54aa63b278aa2403de
Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org>
Signed-off-by: Mayank Chopra <makchopra@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index 7fa4968..4ec9743 100644
--- a/arch/arm/mach-msm/board-msm7x30.c
+++ b/arch/arm/mach-msm/board-msm7x30.c
@@ -95,15 +95,31 @@
#define MSM_PMEM_SF_SIZE 0x1700000
#ifdef CONFIG_FB_MSM_TRIPLE_BUFFER
-#define MSM_FB_SIZE 0x780000
+#define MSM_FB_PRIM_BUF_SIZE (864 * 480 * 4 * 3) /* 4bpp * 3 Pages */
#else
-#define MSM_FB_SIZE 0x500000
+#define MSM_FB_PRIM_BUF_SIZE (864 * 480 * 4 * 2) /* 4bpp * 2 Pages */
#endif
/*
* Reserve space for double buffered full screen
* res V4L2 video overlay - i.e. 1280x720x1.5x2
*/
#define MSM_V4L2_VIDEO_OVERLAY_BUF_SIZE 2764800
+
+#ifdef CONFIG_FB_MSM_HDMI_MSM_PANEL
+#define MSM_FB_EXT_BUF_SIZE (1280 * 720 * 2 * 1) /* 2 bpp x 1 page */
+#else
+#define MSM_FB_EXT_BUF_SIZE 0
+#endif
+
+#ifdef CONFIG_FB_MSM_OVERLAY0_WRITEBACK
+/* width x height x 3 bpp x 2 frame buffer */
+#define MSM_FB_OVERLAY0_WRITEBACK_SIZE roundup((864 * 480 * 3 * 2), 4096)
+#else
+#define MSM_FB_OVERLAY0_WRITEBACK_SIZE 0
+#endif
+
+#define MSM_FB_SIZE roundup(MSM_FB_PRIM_BUF_SIZE + MSM_FB_EXT_BUF_SIZE, 4096)
+
#define MSM_PMEM_ADSP_SIZE 0x1E00000
#define MSM_FLUID_PMEM_ADSP_SIZE 0x2800000
#define PMEM_KERNEL_EBI0_SIZE 0x600000
@@ -4533,6 +4549,7 @@
.mdp_core_clk_table = mdp_core_clk_rate_table,
.num_mdp_clk = ARRAY_SIZE(mdp_core_clk_rate_table),
.mdp_rev = MDP_REV_40,
+ .mem_hid = MEMTYPE_EBI0,
};
static int lcd_panel_spi_gpio_num[] = {
@@ -7095,7 +7112,7 @@
}
early_param("pmem_sf_size", pmem_sf_size_setup);
-static unsigned fb_size = MSM_FB_SIZE;
+static unsigned fb_size;
static int __init fb_size_setup(char *p)
{
fb_size = memparse(p, NULL);
@@ -7176,10 +7193,17 @@
#endif
}
+static void __init reserve_mdp_memory(void)
+{
+ mdp_pdata.ov0_wb_size = MSM_FB_OVERLAY0_WRITEBACK_SIZE;
+ msm7x30_reserve_table[mdp_pdata.mem_hid].size += mdp_pdata.ov0_wb_size;
+}
+
static void __init msm7x30_calculate_reserve_sizes(void)
{
size_pmem_devices();
reserve_pmem_memory();
+ reserve_mdp_memory();
}
static int msm7x30_paddr_to_memtype(unsigned int paddr)