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

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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@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx>
---
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@xxxxxxxxxxxxxx>
+ *    Yakir Yang <ykk@xxxxxxxxxxxxxx>
+ *
+ * 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]



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