Re: [PATCH] drm/edid: move DDC_SEGMENT_ADDR into drm_edid.h

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On Thu, Jul 14, 2016 at 05:00:28PM +0800, Shawn Guo wrote:
> The same definition of DDC_SEGMENT_ADDR is currently defined in two
> places, drm_edid.c and inno_hdmi.h.  Let's consolidate the definition
> into drm_edid.h in the same way that DDC_ADDR is defined.
> 
> Signed-off-by: Shawn Guo <shawnguo@xxxxxxxxxx>

What really should be done here is nuke the fake i2c adapter in
inno_hdmi.c and instead just directly read the edid from the hdim IP.
Using drm_get_edid for something that's not backed by a real i2c bus is
bonghits.
-Daniel

> ---
>  drivers/gpu/drm/drm_edid.c           | 1 -
>  drivers/gpu/drm/rockchip/inno_hdmi.h | 2 --
>  include/drm/drm_edid.h               | 1 +
>  3 files changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index 7df26d4b7ad8..9d6735b68152 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -1191,7 +1191,6 @@ bool drm_edid_is_valid(struct edid *edid)
>  }
>  EXPORT_SYMBOL(drm_edid_is_valid);
>  
> -#define DDC_SEGMENT_ADDR 0x30
>  /**
>   * drm_do_probe_ddc_edid() - get EDID information via I2C
>   * @data: I2C device adapter
> diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.h b/drivers/gpu/drm/rockchip/inno_hdmi.h
> index aa7c415f8cc1..b27b30934c7e 100644
> --- a/drivers/gpu/drm/rockchip/inno_hdmi.h
> +++ b/drivers/gpu/drm/rockchip/inno_hdmi.h
> @@ -16,8 +16,6 @@
>  #ifndef __INNO_HDMI_H__
>  #define __INNO_HDMI_H__
>  
> -#define DDC_SEGMENT_ADDR		0x30
> -
>  enum PWR_MODE {
>  	NORMAL,
>  	LOWER_PWR,
> diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
> index 919933d1beb4..7ee78d5c9252 100644
> --- a/include/drm/drm_edid.h
> +++ b/include/drm/drm_edid.h
> @@ -26,6 +26,7 @@
>  #include <linux/types.h>
>  
>  #define EDID_LENGTH 128
> +#define DDC_SEGMENT_ADDR 0x30
>  #define DDC_ADDR 0x50
>  #define DDC_ADDR2 0x52 /* E-DDC 1.2 - where DisplayID can hide */
>  
> -- 
> 1.9.1
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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