On Wed, Jul 11, 2012 at 3:51 PM, Jingoo Han <jg1.han@xxxxxxxxxxx> wrote: > > >> -----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? > > Yes, I tested this patchset with smdk5250 board, and I could see bootup logo. >> 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 -- 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
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