[Intel-gfx] [PATCH 2/3] drm/i915/icl: Add register definitions for Multi Segmented gamma

[Sharma, Shashank]

On 4/29/2019 7:42 PM, Jani Nikula wrote:
> On Fri, 26 Apr 2019, Shashank Sharma <shashank.sharma at intel.com> wrote:
>> From: Uma Shankar <uma.shankar at intel.com>
>>
>> Add macros to define multi segmented gamma registers
>>
>> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
>> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
>> Signed-off-by: Uma Shankar <uma.shankar at intel.com>
>> ---
>>   drivers/gpu/drm/i915/i915_reg.h | 17 +++++++++++++++++
>>   1 file changed, 17 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
>> index b74824f0b5b1..fc50e85ca895 100644
>> --- a/drivers/gpu/drm/i915/i915_reg.h
>> +++ b/drivers/gpu/drm/i915/i915_reg.h
>> @@ -7198,6 +7198,7 @@ enum {
>>   #define  GAMMA_MODE_MODE_10BIT	(1 << 0)
>>   #define  GAMMA_MODE_MODE_12BIT	(2 << 0)
>>   #define  GAMMA_MODE_MODE_SPLIT	(3 << 0)
>> +#define  GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED	(3 << 0)
>>   
>>   /* DMC/CSR */
>>   #define CSR_PROGRAM(i)		_MMIO(0x80000 + (i) * 4)
>> @@ -10144,6 +10145,22 @@ enum skl_power_gate {
>>   #define PRE_CSC_GAMC_INDEX(pipe)	_MMIO_PIPE(pipe, _PRE_CSC_GAMC_INDEX_A, _PRE_CSC_GAMC_INDEX_B)
>>   #define PRE_CSC_GAMC_DATA(pipe)		_MMIO_PIPE(pipe, _PRE_CSC_GAMC_DATA_A, _PRE_CSC_GAMC_DATA_B)
>>   
>> +/* Add registers for Gen11 Multi Segmented Gamma Mode */
>> +#define _PAL_PREC_MULTI_SEG_INDEX_A	0x4A408
>> +#define _PAL_PREC_MULTI_SEG_INDEX_B	0x4AC08
>> +#define  PAL_PREC_MULTI_SEGMENT_AUTO_INCREMENT		BIT(15)
>> +#define  PAL_PREC_MULTI_SEGMENT_INDEX_VALUE_MASK	(0x1f << 0)
> See REG_BIT() and REG_FIELD_PREP() at the top of the file.
>
> BR,
> Jani.

Got it Jani, Thanks !

Regards

Shashank

>
>> +
>> +#define _PAL_PREC_MULTI_SEG_DATA_A	0x4A40C
>> +#define _PAL_PREC_MULTI_SEG_DATA_B	0x4AC0C
>> +
>> +#define PREC_PAL_MULTI_SEG_INDEX(pipe)	_MMIO_PIPE(pipe, \
>> +					_PAL_PREC_MULTI_SEG_INDEX_A, \
>> +					_PAL_PREC_MULTI_SEG_INDEX_B)
>> +#define PREC_PAL_MULTI_SEG_DATA(pipe)	_MMIO_PIPE(pipe, \
>> +					_PAL_PREC_MULTI_SEG_DATA_A, \
>> +					_PAL_PREC_MULTI_SEG_DATA_B)
>> +
>>   /* pipe CSC & degamma/gamma LUTs on CHV */
>>   #define _CGM_PIPE_A_CSC_COEFF01	(VLV_DISPLAY_BASE + 0x67900)
>>   #define _CGM_PIPE_A_CSC_COEFF23	(VLV_DISPLAY_BASE + 0x67904)