Re: [PATCH v8 1/2] drm/rockchip: hdmi: add Innosilicon HDMI support

[Yakir Yang <ykk@rock-chips.com>]

Hi Jean,

Sorry about miss your comments  :)

On 01/29/2016 03:20 PM, Jean-Francois Moine wrote:
> On Fri, 29 Jan 2016 14:47:39 +0800
> Yakir Yang <ykk@rock-chips.com> wrote:
>
>> The Innosilicon HDMI is a low power HDMI 1.4 transmitter
>> IP, and it have been integrated on some rockchip CPUs
>> (like RK3036, RK312x).
>>
>> Signed-off-by: Yakir Yang <ykk@rock-chips.com>
>> ---
>> Changes in v8:
>> - Don't check whether encoder output format is RGB colorspace, cause driver
>>    default configure the output colorspace to RGB. (ZhengYang)
>> - Correct the check condition in inno_hdmi_config_video_csc() (ZhengYang)
>>      - if (data->enc_out_format == data->enc_out_format) {
>>      + if (data->enc_in_format == data->enc_out_format) {
>>
>> Changes in v7:
>> - Correct the module licnese statement (Paul)
>>       - MODULE_LICENSE("GPL");
>>       + MODULE_LICENSE("GPLv2");
>> - Start indentation with tabs and fix the misspell in Kconfig (Paul)
>> - Carry the lost device-binding document (Heiko)
>>
>> Changes in v6:
>> - Rebase the Makefile/Kconfig files which add by Chris's rockchip-mipi driver (Caeser)
>>
>> Changes in v5:
>> - Use hdmi_infoframe helper functions to packed the infoframe (Russell)
>> - Remove the unused double wait_for_completion_timeout for ddc transfer (Russell)
>> - Remove the unused local variable in "inno_hdmi_i2c_write()" function (Russell)
>>
>> Changes in v4:
>> - Modify the commit title "drm/rockchip: hdmi: ..." (Mark)
>> - Correct the "DKMS" to "DPMS" (Mark)
>> - Fix over 80 characters problems (Mark)
>> - Remove encoder .prepare/.commit helper functions, and move the vop mode
>> configure function into encoder .enable helper functions. (Mark)
>>
>> Changes in v3:
>> - Use encoder enable/disable function, and remove the encoder DPMS function
>> - Keep HDMI PLL power on in standby mode
>>
>> Changes in v2:
>> - Using DRM atomic helper functions for connector init (Mark)
>> - Remove "hdmi->connector.encoder = encoder;" (Mark)
>>
>>   drivers/gpu/drm/rockchip/Kconfig     |   8 +
>>   drivers/gpu/drm/rockchip/Makefile    |   1 +
>>   drivers/gpu/drm/rockchip/inno_hdmi.c | 939 +++++++++++++++++++++++++++++++++++
>>   drivers/gpu/drm/rockchip/inno_hdmi.h | 362 ++++++++++++++
>>   4 files changed, 1310 insertions(+)
>>   create mode 100644 drivers/gpu/drm/rockchip/inno_hdmi.c
>>   create mode 100644 drivers/gpu/drm/rockchip/inno_hdmi.h
>>
>> diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
>> index 8573985..76b3362 100644
>> --- a/drivers/gpu/drm/rockchip/Kconfig
>> +++ b/drivers/gpu/drm/rockchip/Kconfig
>> @@ -35,3 +35,11 @@ config ROCKCHIP_DW_MIPI_DSI
>>   	 for the Synopsys DesignWare HDMI driver. If you want to
>>   	 enable MIPI DSI on RK3288 based SoC, you should selet this
>>   	 option.
>> +
>> +config ROCKCHIP_INNO_HDMI
>> +	tristate "Rockchip specific extensions for Innosilicon HDMI"
>> +	depends on DRM_ROCKCHIP
>> +	help
>> +	  This selects support for Rockchip SoC specific extensions
>> +	  for the Innosilicon HDMI driver. If you want to enable
>> +	  HDMI on RK3036 based SoC, you should select this option.
>> diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip/Makefile
>> index f6a809a..df8fbef 100644
>> --- a/drivers/gpu/drm/rockchip/Makefile
>> +++ b/drivers/gpu/drm/rockchip/Makefile
>> @@ -8,5 +8,6 @@ rockchipdrm-$(CONFIG_DRM_FBDEV_EMULATION) += rockchip_drm_fbdev.o
>>   
>>   obj-$(CONFIG_ROCKCHIP_DW_HDMI) += dw_hdmi-rockchip.o
>>   obj-$(CONFIG_ROCKCHIP_DW_MIPI_DSI) += dw-mipi-dsi.o
>> +obj-$(CONFIG_ROCKCHIP_INNO_HDMI) += inno_hdmi.o
>>   
>>   obj-$(CONFIG_DRM_ROCKCHIP) += rockchipdrm.o rockchip_vop_reg.o
>> diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
>> new file mode 100644
>> index 0000000..c99d88d
>> --- /dev/null
>> +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
>> @@ -0,0 +1,939 @@
>> +/*
>> + * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
>> + *    Zheng Yang <zhengyang@rock-chips.com>
>> + *    Yakir Yang <ykk@rock-chips.com>
>> + *
>> + * This software is licensed under the terms of the GNU General Public
>> + * License version 2, as published by the Free Software Foundation, and
>> + * may be copied, distributed, and modified under those terms.
>> + *
>> + * This program is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>> + * GNU General Public License for more details.
>> + */
>> +
>> +#include <linux/irq.h>
>> +#include <linux/clk.h>
>> +#include <linux/delay.h>
>> +#include <linux/err.h>
>> +#include <linux/hdmi.h>
>> +#include <linux/mfd/syscon.h>
>> +#include <linux/module.h>
>> +#include <linux/mutex.h>
>> +#include <linux/of_device.h>
>> +
>> +#include <drm/drm_of.h>
>> +#include <drm/drmP.h>
>> +#include <drm/drm_atomic_helper.h>
>> +#include <drm/drm_crtc_helper.h>
>> +#include <drm/drm_edid.h>
>> +#include <drm/drm_encoder_slave.h>
> This is not needed.

Do you mean the "drm_encoder_slave.h" file ?

Yep, seems I haven't called ant encoder slave helper functions, thanks.


>
>> +
>> +#include "rockchip_drm_drv.h"
>> +#include "rockchip_drm_vop.h"
>> +
>> +#include "inno_hdmi.h"
> 	[snip]
>