[Intel-gfx] [PATCH v8 20/38] drm/i915/icl: Add DSI packet payload/header registers

Jani Nikula jani.nikula at intel.com
Thu Nov 1 11:10:14 UTC 2018


On Wed, 31 Oct 2018, Madhav Chauhan <madhav.chauhan at intel.com> wrote:
> On 10/30/2018 5:26 PM, Jani Nikula wrote:
>> From: Madhav Chauhan <madhav.chauhan at intel.com>
>>
>> This patch defines payload/header registers for each DSI
>> transcoder used for transmitting DSI packets.
>>
>> v2 by Jani:
>>   - Drop full register mask and shift for payload
>>   - Use lower case for hex 0x
>
> v2 change are fine.

Thanks, pushed.

BR,
Jani.

>
> Regards,
> Madhav
>
>>
>> Signed-off-by: Madhav Chauhan <madhav.chauhan at intel.com>
>> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
>> ---
>>   drivers/gpu/drm/i915/i915_reg.h | 22 ++++++++++++++++++++++
>>   1 file changed, 22 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
>> index 8d089ef848b2..639667d0fb00 100644
>> --- a/drivers/gpu/drm/i915/i915_reg.h
>> +++ b/drivers/gpu/drm/i915/i915_reg.h
>> @@ -10523,6 +10523,28 @@ enum skl_power_gate {
>>   #define  MAX_HEADER_CREDIT		0x10
>>   #define  MAX_PLOAD_CREDIT		0x40
>>   
>> +#define _DSI_CMD_TXHDR_0		0x6b100
>> +#define _DSI_CMD_TXHDR_1		0x6b900
>> +#define DSI_CMD_TXHDR(tc)		_MMIO_DSI(tc,	\
>> +						  _DSI_CMD_TXHDR_0,\
>> +						  _DSI_CMD_TXHDR_1)
>> +#define  PAYLOAD_PRESENT		(1 << 31)
>> +#define  LP_DATA_TRANSFER		(1 << 30)
>> +#define  VBLANK_FENCE			(1 << 29)
>> +#define  PARAM_WC_MASK			(0xffff << 8)
>> +#define  PARAM_WC_LOWER_SHIFT		8
>> +#define  PARAM_WC_UPPER_SHIFT		16
>> +#define  VC_MASK			(0x3 << 6)
>> +#define  VC_SHIFT			6
>> +#define  DT_MASK			(0x3f << 0)
>> +#define  DT_SHIFT			0
>> +
>> +#define _DSI_CMD_TXPYLD_0		0x6b104
>> +#define _DSI_CMD_TXPYLD_1		0x6b904
>> +#define DSI_CMD_TXPYLD(tc)		_MMIO_DSI(tc,	\
>> +						  _DSI_CMD_TXPYLD_0,\
>> +						  _DSI_CMD_TXPYLD_1)
>> +
>>   #define _DSI_LP_MSG_0			0x6b0d8
>>   #define _DSI_LP_MSG_1			0x6b8d8
>>   #define DSI_LP_MSG(tc)			_MMIO_DSI(tc,	\
>

-- 
Jani Nikula, Intel Open Source Graphics Center


More information about the Intel-gfx mailing list