From: Gregory CLEMENT <gregory.clement@free-electrons.com>
To: barebox <barebox@lists.infradead.org>
Subject: [PATCH 2/4] ARM STM/i.MX: Add possibility to choose the bit per pixel for STM video driver
Date: Tue, 04 Jan 2011 15:35:27 +0100 [thread overview]
Message-ID: <4D23302F.5070109@free-electrons.com> (raw)
When describing an new video interface, it is now possible to select
the bit per pixel. If nothing is chosen 16bpp is selected by default.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
---
arch/arm/mach-stm/include/mach/fb.h | 1 +
drivers/video/stm.c | 5 ++++-
2 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-stm/include/mach/fb.h b/arch/arm/mach-stm/include/mach/fb.h
index 65e3be2..da71f10 100644
--- a/arch/arm/mach-stm/include/mach/fb.h
+++ b/arch/arm/mach-stm/include/mach/fb.h
@@ -37,6 +37,7 @@ struct imx_fb_videomode {
unsigned dotclk_delay; /**< refer manual HW_LCDIF_VDCTRL4 register */
unsigned ld_intf_width; /**< refer STMLCDIF_* macros */
+ u32 bits_per_pixel;
};
#endif /* __MACH_FB_H */
diff --git a/drivers/video/stm.c b/drivers/video/stm.c
index 8a9acff..5035cd0 100644
--- a/drivers/video/stm.c
+++ b/drivers/video/stm.c
@@ -496,7 +496,10 @@ static int stmfb_probe(struct device_d *hw_dev)
fbi.info.mode = &fbi.info.mode_list[0];
fbi.info.xres = fbi.info.mode->xres;
fbi.info.yres = fbi.info.mode->yres;
- fbi.info.bits_per_pixel = 16;
+ if (pdata->bits_per_pixel)
+ fbi.info.bits_per_pixel = pdata->bits_per_pixel;
+ else
+ fbi.info.bits_per_pixel = 16;
size = calc_line_length(fbi.info.mode->xres, fbi.info.bits_per_pixel) *
fbi.info.mode->yres;
--
1.7.0.4
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