> -----Original Message----- > From: Leela Krishna Amudala [mailto:l.krishna@xxxxxxxxxxx] > Sent: Wednesday, July 11, 2012 6:42 PM > To: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Cc: grant.likely@xxxxxxxxxxxx; olofj@xxxxxxxxxx; thomas.ab@xxxxxxxxxxx; kgene.kim@xxxxxxxxxxx; > joshi@xxxxxxxxxxx; jg1.han@xxxxxxxxxxx > Subject: [PATCH 4/7] ARM: EXYNOS: Adding DRM platform device > > Add DRM platform device to machine file for exynos5. > > Signed-off-by: Prathyush K <prathyush.k@xxxxxxxxxxx> > Signed-off-by: Leela Krishna Amudala <l.krishna@xxxxxxxxxxx> > --- > arch/arm/mach-exynos/mach-exynos5-dt.c | 27 +++++++++++++++++++++++++++ > 1 files changed, 27 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c > index 652a537..a91c928 100644 > --- a/arch/arm/mach-exynos/mach-exynos5-dt.c > +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c > @@ -17,6 +17,7 @@ > > #include <asm/mach/arch.h> > #include <asm/hardware/gic.h> > +#include <asm/io.h> > #include <mach/map.h> > > #include <plat/cpu.h> > @@ -29,6 +30,22 @@ > #include <video/platform_lcd.h> > > > +static void exynos_fimd_gpio_setup_24bpp(void) > +{ > + unsigned int reg = 0; > + /* > + * Set DISP1BLK_CFG register for Display path selection > + * FIMD of DISP1_BLK Bypass selection : DISP1BLK_CFG[15] > + * --------------------- > + * 0 | MIE/MDNIE > + * 1 | FIMD : selected > + */ > + reg = __raw_readl(S3C_VA_SYS + 0x0214); > + reg &= ~(1 << 15); /* To save other reset values */ > + reg |= (1 << 15); > + __raw_writel(reg, S3C_VA_SYS + 0x0214); > +} > + > static int smdk5250_bl_notify(struct device *unused, int brightness) > { > /* manage lcd_bl_en signal */ > @@ -51,6 +68,14 @@ static struct platform_pwm_backlight_data smdk5250_bl_data = { > .notify = smdk5250_bl_notify, > }; > > +static struct platform_device exynos_drm_device = { > + .name = "exynos-drm", > + .dev = { > + .dma_mask = &exynos_drm_device.dev.coherent_dma_mask, > + .coherent_dma_mask = 0xffffffffUL, > + } > +}; > + If your patches use ./drivers/video/s3c-fb.c, please use the term 'FB'. In this case, this 'exynos_drm_device' is not unnecessary. Um... Have you tested this patchset with board such as SMDK5250? Does it work properly? > static void lcd_set_power(struct plat_lcd_data *pd, > unsigned int power) > { > @@ -134,6 +159,7 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = { > > static struct platform_device *smdk5250_devices[] __initdata = { > &smdk5250_lcd, /* for platform_lcd device */ > + &exynos_drm_device, > }; > > static void __init exynos5250_dt_map_io(void) > @@ -147,6 +173,7 @@ static void __init exynos5250_dt_machine_init(void) > samsung_bl_set(&smdk5250_bl_gpio_info, &smdk5250_bl_data); > of_platform_populate(NULL, of_default_bus_match_table, > exynos5250_auxdata_lookup, NULL); > + exynos_fimd_gpio_setup_24bpp(); > platform_add_devices(smdk5250_devices, ARRAY_SIZE(smdk5250_devices)); > } > > -- > 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
 |