[PATCH 09/10] video: imx-ipu-fb: Allow to specify framebuffer memory size via platform_data

Sascha Hauer s.hauer at pengutronix.de
Wed Dec 18 10:42:41 EST 2013


Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 arch/arm/mach-imx/include/mach/imx-ipu-fb.h | 2 ++
 drivers/video/imx-ipu-fb.c                  | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/arch/arm/mach-imx/include/mach/imx-ipu-fb.h b/arch/arm/mach-imx/include/mach/imx-ipu-fb.h
index ee1a9b5..73028d2 100644
--- a/arch/arm/mach-imx/include/mach/imx-ipu-fb.h
+++ b/arch/arm/mach-imx/include/mach/imx-ipu-fb.h
@@ -44,7 +44,9 @@ struct imx_ipu_fb_platform_data {
 	u_int			num_modes;
 	enum disp_data_mapping	disp_data_fmt;
 	void __iomem		*framebuffer;
+	unsigned long		framebuffer_size;
 	void __iomem		*framebuffer_ovl;
+	unsigned long		framebuffer_ovl_size;
 	/** hook to enable backlight and stuff */
 	void			(*enable)(int enable);
 	/*
diff --git a/drivers/video/imx-ipu-fb.c b/drivers/video/imx-ipu-fb.c
index 4b9aae7..b73d8d2 100644
--- a/drivers/video/imx-ipu-fb.c
+++ b/drivers/video/imx-ipu-fb.c
@@ -964,6 +964,8 @@ static int sdc_fb_register_overlay(struct ipu_fb_info *fbi, void *fb)
 	if (!overlay->screen_base)
 		return -ENOMEM;
 
+	overlay->screen_size = pdata->framebuffer_ovl_size;
+
 	sdc_enable_channel(fbi, overlay->screen_base, IDMAC_SDC_1);
 
 	ret = register_framebuffer(&fbi->overlay);
@@ -1021,6 +1023,7 @@ static int imxfb_probe(struct device_d *dev)
 					       (info->bits_per_pixel >> 3));
 		if (!fbi->info.screen_base)
 			return -ENOMEM;
+		fbi->info.screen_size = pdata->framebuffer_size;
 	}
 
 	sdc_enable_channel(fbi, info->screen_base, IDMAC_SDC_0);
-- 
1.8.5.1




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