[PATCH 4/7] ARM: EXYNOS: Adding DRM platform device
From: Jingoo Han <hidden>
Date: 2012-07-11 10:21:55
Also in:
linux-samsung-soc
quoted hunk ↗ jump to hunk
-----Original Message----- From: Leela Krishna Amudala [mailto:l.krishna at samsung.com] Sent: Wednesday, July 11, 2012 6:42 PM To: linux-arm-kernel at lists.infradead.org Cc: grant.likely at secretlab.ca; olofj at google.com; thomas.ab at samsung.com; kgene.kim at samsung.com; joshi at samsung.com; jg1.han at samsung.com Subject: [PATCH 4/7] ARM: EXYNOS: Adding DRM platform device Add DRM platform device to machine file for exynos5. Signed-off-by: Prathyush K <redacted> Signed-off-by: Leela Krishna Amudala <redacted> --- 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?
quoted hunk ↗ jump to hunk
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