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exynos-drm fixes #37

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exynos-drm fixes #37

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22c151b
drm/exynos: mixer: set correct mode for range of resolutions
Jan 15, 2013
c35da51
drm/exynos: do not use generic flags to dumb
daeinki Apr 18, 2013
f9ef4b8
drm/exynos: Debounce HDMI hotplug interrupts
atseanpaul Apr 26, 2013
d99483a
drm/exynos: wait for the completion of pending page flip
daeinki May 21, 2013
6c8c566
drm/exynos: power up HDMI before mixer
dsd Feb 21, 2014
0476a8a
media/mfc: use shipped firmware paths
dsd Feb 21, 2014
f0e6477
Revert "HDMI_DDC I2C2 bus uses GPIO based bitbanging"
dsd Feb 21, 2014
94df6b2
exynos-drm: hack in timing fixes for 1024x768
dsd Dec 13, 2013
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Revert "HDMI_DDC I2C2 bus uses GPIO based bitbanging" 
This reverts commit 98b6c57.

The hardware offers us I2C capabilities directly. Why drive it
as a GPIO and use CPU bit-banging to convert it back to I2C?
http://forum.odroid.com/viewtopic.php?f=8&t=3850
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@dsd
dsd committed Feb 24, 2014
commit f0e64777610641084343874b0a8a1d7f06cc828e
2 changes: 2 additions & 0 deletions arch/arm/mach-exynos/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -436,6 +436,8 @@ config MACH_HKDK4412
select EXYNOS_DEV_DMA
select EXYNOS_DEV_DRM
select EXYNOS_DEV_SYSMMU
select EXYNOS4_SETUP_I2C2
select S3C_DEV_I2C2
select S3C_DEV_HSMMC
select S3C_DEV_HSMMC1
select S3C_DEV_USB_HSOTG
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21 changes: 2 additions & 19 deletions arch/arm/mach-exynos/mach-hkdk4412.c
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Original file line number Diff line number Diff line change
Expand Up @@ -158,24 +158,6 @@ static struct i2c_board_info hkdk4412_i2c_devs1[] __initdata = {
#endif
};

/* I2C2 bus GPIO-Bitbanging */
#define GPIO_I2C2_SDA EXYNOS4_GPA0(6)
#define GPIO_I2C2_SCL EXYNOS4_GPA0(7)
static struct i2c_gpio_platform_data i2c2_gpio_platdata = {
.sda_pin = GPIO_I2C2_SDA,
.scl_pin = GPIO_I2C2_SCL,
.udelay = 5,
.sda_is_open_drain = 0,
.scl_is_open_drain = 0,
.scl_is_output_only = 0
};

static struct platform_device gpio_device_i2c2 = {
.name = "i2c-gpio",
.id = 2, // adepter number
.dev.platform_data = &i2c2_gpio_platdata,
};

/* Odroid-O2 schematics show the DDC of the remote HDMI device connected to
* I2C2. HDMI specs state that DDC always sits at bus address 0x50. */
static struct i2c_board_info hkdk4412_i2c_devs2[] __initdata = {
Expand Down Expand Up @@ -485,7 +467,7 @@ static struct platform_device *hkdk4412_devices[] __initdata = {
&s3c_device_hsmmc2,
&s3c_device_i2c0,
&s3c_device_i2c1,
&gpio_device_i2c2,
&s3c_device_i2c2,
&s3c_device_i2c3,
#if defined(CONFIG_ODROID_U2)
&gpio_device_i2c4,
Expand Down Expand Up @@ -622,6 +604,7 @@ static void __init hkdk4412_machine_init(void)
i2c_register_board_info(1, hkdk4412_i2c_devs1,
ARRAY_SIZE(hkdk4412_i2c_devs1));

s3c_i2c2_set_platdata(NULL);
i2c_register_board_info(2, hkdk4412_i2c_devs2,
ARRAY_SIZE(hkdk4412_i2c_devs2));

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1 change: 0 additions & 1 deletion drivers/cpufreq/exynos4x12-cpufreq.c
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Expand Up @@ -414,7 +414,6 @@ static const unsigned int asv_voltage_4x12[CPUFREQ_LEVEL_END] = {
925000,
925000,
925000,
};
#endif
static void exynos4x12_set_clkdiv(unsigned int div_index)
{
Expand Down