Re: [PATCH v2 1/5] drm/dsi: clean up DSI data type definitions

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On Mon, 04 Nov 2019, Jani Nikula <jani.nikula@xxxxxxxxx> wrote:
> Hi all, I'd really appreciate some (non-Intel) acks or reviews on this
> series. Don't feel comfortable merging it otherwise. It should be fairly
> straightforward stuff as long as you have some DSI specs handy.

Thanks for the reviews. I've pushed the patches to a new topic branch
drm-intel/topic/drm-mipi-dsi-dsc-updates per feedback from Sean and
Daniel. I'll be needing these dependencies in i915 sooner than a
roundtrip through drm-misc->drm-next->drm-intel would be convenient.

I'll send a pull request to drm-misc soonish, and will also pull to
drm-intel after the merge to drm-misc.

Please holler if you have any issues with this.


BR,
Jani.


>
> BR,
> Jani.
>
>
> On Mon, 28 Oct 2019, Jani Nikula <jani.nikula@xxxxxxxxx> wrote:
>> Rename picture parameter set (it's a long packet, not a long write) and
>> compression mode (it's not a DCS command) enumerations according to the
>> DSI specification. Order the types according to the spec. Use tabs
>> instead of spaces for indentation. Use all lower case for hex.
>>
>> Cc: Vandita Kulkarni <vandita.kulkarni@xxxxxxxxx>
>> Reviewed-by: Vandita Kulkarni <vandita.kulkarni@xxxxxxxxx>
>> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>> ---
>>  drivers/gpu/drm/drm_mipi_dsi.c |  4 ++--
>>  include/video/mipi_display.h   | 10 +++++-----
>>  2 files changed, 7 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
>> index bd2498bbd74a..f237d80828c3 100644
>> --- a/drivers/gpu/drm/drm_mipi_dsi.c
>> +++ b/drivers/gpu/drm/drm_mipi_dsi.c
>> @@ -373,6 +373,7 @@ bool mipi_dsi_packet_format_is_short(u8 type)
>>  	case MIPI_DSI_V_SYNC_END:
>>  	case MIPI_DSI_H_SYNC_START:
>>  	case MIPI_DSI_H_SYNC_END:
>> +	case MIPI_DSI_COMPRESSION_MODE:
>>  	case MIPI_DSI_END_OF_TRANSMISSION:
>>  	case MIPI_DSI_COLOR_MODE_OFF:
>>  	case MIPI_DSI_COLOR_MODE_ON:
>> @@ -387,7 +388,6 @@ bool mipi_dsi_packet_format_is_short(u8 type)
>>  	case MIPI_DSI_DCS_SHORT_WRITE:
>>  	case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
>>  	case MIPI_DSI_DCS_READ:
>> -	case MIPI_DSI_DCS_COMPRESSION_MODE:
>>  	case MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE:
>>  		return true;
>>  	}
>> @@ -406,11 +406,11 @@ EXPORT_SYMBOL(mipi_dsi_packet_format_is_short);
>>  bool mipi_dsi_packet_format_is_long(u8 type)
>>  {
>>  	switch (type) {
>> -	case MIPI_DSI_PPS_LONG_WRITE:
>>  	case MIPI_DSI_NULL_PACKET:
>>  	case MIPI_DSI_BLANKING_PACKET:
>>  	case MIPI_DSI_GENERIC_LONG_WRITE:
>>  	case MIPI_DSI_DCS_LONG_WRITE:
>> +	case MIPI_DSI_PICTURE_PARAMETER_SET:
>>  	case MIPI_DSI_LOOSELY_PACKED_PIXEL_STREAM_YCBCR20:
>>  	case MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR24:
>>  	case MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16:
>> diff --git a/include/video/mipi_display.h b/include/video/mipi_display.h
>> index cba57a678daf..79fd71cf4934 100644
>> --- a/include/video/mipi_display.h
>> +++ b/include/video/mipi_display.h
>> @@ -17,6 +17,9 @@ enum {
>>  	MIPI_DSI_H_SYNC_START				= 0x21,
>>  	MIPI_DSI_H_SYNC_END				= 0x31,
>>  
>> +	MIPI_DSI_COMPRESSION_MODE			= 0x07,
>> +	MIPI_DSI_END_OF_TRANSMISSION			= 0x08,
>> +
>>  	MIPI_DSI_COLOR_MODE_OFF				= 0x02,
>>  	MIPI_DSI_COLOR_MODE_ON				= 0x12,
>>  	MIPI_DSI_SHUTDOWN_PERIPHERAL			= 0x22,
>> @@ -35,18 +38,15 @@ enum {
>>  
>>  	MIPI_DSI_DCS_READ				= 0x06,
>>  
>> -	MIPI_DSI_DCS_COMPRESSION_MODE                   = 0x07,
>> -	MIPI_DSI_PPS_LONG_WRITE                         = 0x0A,
>> -
>>  	MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE		= 0x37,
>>  
>> -	MIPI_DSI_END_OF_TRANSMISSION			= 0x08,
>> -
>>  	MIPI_DSI_NULL_PACKET				= 0x09,
>>  	MIPI_DSI_BLANKING_PACKET			= 0x19,
>>  	MIPI_DSI_GENERIC_LONG_WRITE			= 0x29,
>>  	MIPI_DSI_DCS_LONG_WRITE				= 0x39,
>>  
>> +	MIPI_DSI_PICTURE_PARAMETER_SET			= 0x0a,
>> +
>>  	MIPI_DSI_LOOSELY_PACKED_PIXEL_STREAM_YCBCR20	= 0x0c,
>>  	MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR24		= 0x1c,
>>  	MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16		= 0x2c,

-- 
Jani Nikula, Intel Open Source Graphics Center
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