Re: [PATCH RESEND v3 1/2] drm: introduce bus_flags in drm_display_info

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On 2016-05-05 03:06, Daniel Vetter wrote:
> On Wed, May 04, 2016 at 10:08:59PM -0700, Stefan Agner wrote:
>> Introduce bus_flags to specify display bus properties like signal
>> polarities. This is useful for parallel display buses, e.g. to
>> specify the pixel clock or data enable polarity.
>>
>> Suggested-by: Thierry Reding <thierry.reding@xxxxxxxxx>
>> Acked-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
>> Acked-by: Manfred Schlaegl <manfred.schlaegl@xxxxxx>
>> Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
>> Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
> 
> In case this wasn't clear: That ack is good enough to just smash this
> patch into your fsl-dcu tree and send a pull request to Dave for it. No
> need to resend the patches. Just mention in the pull that you have stuff
> included outside of your driver, and that it's all acked.
> -Daniel

I almost suspected it, but was not sure whether that would be ok. Thanks
for the clarification.

Will create a pull request today.

--
Stefan


> 
>> ---
>>  drivers/gpu/drm/panel/panel-simple.c | 2 ++
>>  include/drm/drm_crtc.h               | 9 +++++++++
>>  2 files changed, 11 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
>> index ceb2048..77ae07f 100644
>> --- a/drivers/gpu/drm/panel/panel-simple.c
>> +++ b/drivers/gpu/drm/panel/panel-simple.c
>> @@ -72,6 +72,7 @@ struct panel_desc {
>>  	} delay;
>>
>>  	u32 bus_format;
>> +	u32 bus_flags;
>>  };
>>
>>  struct panel_simple {
>> @@ -144,6 +145,7 @@ static int panel_simple_get_fixed_modes(struct panel_simple *panel)
>>  	if (panel->desc->bus_format)
>>  		drm_display_info_set_bus_formats(&connector->display_info,
>>  						 &panel->desc->bus_format, 1);
>> +	connector->display_info.bus_flags = panel->desc->bus_flags;
>>
>>  	return num;
>>  }
>> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
>> index 4acdaf5..d1559cd 100644
>> --- a/include/drm/drm_crtc.h
>> +++ b/include/drm/drm_crtc.h
>> @@ -118,6 +118,14 @@ enum subpixel_order {
>>  #define DRM_COLOR_FORMAT_RGB444		(1<<0)
>>  #define DRM_COLOR_FORMAT_YCRCB444	(1<<1)
>>  #define DRM_COLOR_FORMAT_YCRCB422	(1<<2)
>> +
>> +#define DRM_BUS_FLAG_DE_LOW		(1<<0)
>> +#define DRM_BUS_FLAG_DE_HIGH		(1<<1)
>> +/* drive data on pos. edge */
>> +#define DRM_BUS_FLAG_PIXDATA_POSEDGE	(1<<2)
>> +/* drive data on neg. edge */
>> +#define DRM_BUS_FLAG_PIXDATA_NEGEDGE	(1<<3)
>> +
>>  /*
>>   * Describes a given display (e.g. CRT or flat panel) and its limitations.
>>   */
>> @@ -139,6 +147,7 @@ struct drm_display_info {
>>
>>  	const u32 *bus_formats;
>>  	unsigned int num_bus_formats;
>> +	u32 bus_flags;
>>
>>  	/* Mask of supported hdmi deep color modes */
>>  	u8 edid_hdmi_dc_modes;
>> --
>> 2.8.2
>>
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