Re: [v2 1/2] drm/i915/icl: Define Plane Input CSC Coefficient Registers

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On Wed, Oct 24, 2018 at 09:48:12PM +0530, Uma Shankar wrote:
> Defined the plane input csc coefficient registers and macros.
> 6 registers are used to program a total of 9 coefficients,
> added macros to define each of them for all the planes
> supporting the feature on pipes. On ICL, bottom 3 planes
> have this capability.
> 
> v2: Segregated the register macro definition as separate patch
> as per Maarten's suggestion.
> 
> Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/i915_reg.h | 217 ++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 217 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 69eb573..6a363a32 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -6569,6 +6569,7 @@ enum {
>  #define _PLANE_COLOR_CTL_3_A			0x703CC /* GLK+ */
>  #define   PLANE_COLOR_PIPE_GAMMA_ENABLE		(1 << 30) /* Pre-ICL */
>  #define   PLANE_COLOR_YUV_RANGE_CORRECTION_DISABLE	(1 << 28)
> +#define   PLANE_COLOR_INPUT_CSC_ENABLE		(1 << 20) /* Pre-ICL */

Is the "Pre-ICL" comment here a copy/paste error?  The other registers
marked that way say "This field is deprecated" in the bspec, but that
isn't the case for the input CSC.

>  #define   PLANE_COLOR_PIPE_CSC_ENABLE		(1 << 23) /* Pre-ICL */
>  #define   PLANE_COLOR_CSC_MODE_BYPASS			(0 << 17)
>  #define   PLANE_COLOR_CSC_MODE_YUV601_TO_RGB709		(1 << 17)
> @@ -6585,6 +6586,222 @@ enum {
>  #define _PLANE_NV12_BUF_CFG_1_A		0x70278
>  #define _PLANE_NV12_BUF_CFG_2_A		0x70378
>  
> +/* Input CSC Register Definitions */
> +#define _PLANE_INPUT_CSC_RY_GY_1_A	0x701E0
> +#define _PLANE_INPUT_CSC_RY_GY_2_A	0x702E0
> +#define _PLANE_INPUT_CSC_RY_GY_3_A	0x703E0

I don't think we usually add the third address to i915_reg.h when
planes/pipes are equally spaced since our macros can calculate all the
subsequent offsets automatically.  Same also applied to other regs
farther down.

> +
> +#define _PLANE_INPUT_CSC_RY_GY_1_B	0x711E0
> +#define _PLANE_INPUT_CSC_RY_GY_2_B	0x712E0
> +#define _PLANE_INPUT_CSC_RY_GY_3_B	0x713E0
> +
> +#define _PLANE_INPUT_CSC_RY_GY_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_RY_GY_1_A, \
> +	     _PLANE_INPUT_CSC_RY_GY_1_B)
> +#define _PLANE_INPUT_CSC_RY_GY_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_RY_GY_2_A, \
> +	     _PLANE_INPUT_CSC_RY_GY_2_B)
> +#define PLANE_INPUT_CSC_RY_GY(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_RY_GY_1(pipe), \
> +		    _PLANE_INPUT_CSC_RY_GY_2(pipe))
> +
> +#define _PLANE_INPUT_CSC_BY_1_A		0x701E4
> +#define _PLANE_INPUT_CSC_BY_2_A		0x702E4
> +#define _PLANE_INPUT_CSC_BY_3_A		0x703E4
> +
> +#define _PLANE_INPUT_CSC_BY_1_B		0x711E4
> +#define _PLANE_INPUT_CSC_BY_2_B		0x712E4
> +#define _PLANE_INPUT_CSC_BY_3_B		0x713E4
> +
> +#define _PLANE_INPUT_CSC_BY_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_BY_1_A, \
> +	     _PLANE_INPUT_CSC_BY_1_B)
> +#define _PLANE_INPUT_CSC_BY_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_BY_2_A, \
> +	     _PLANE_INPUT_CSC_BY_2_B)

Since these are really just the next dword of the same logical register
as above, maybe it would be simpler to just define these (and the other
dwords of PLANE_INPUT_CSC_COEFF below) as _RY_GY + offset?


Matt

> +#define PLANE_INPUT_CSC_BY(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_BY_1(pipe), \
> +		    _PLANE_INPUT_CSC_BY_2(pipe))
> +
> +#define _PLANE_INPUT_CSC_RU_GU_1_A	0x701E8
> +#define _PLANE_INPUT_CSC_RU_GU_2_A	0x702E8
> +#define _PLANE_INPUT_CSC_RU_GU_3_A	0x703E8
> +
> +#define _PLANE_INPUT_CSC_RU_GU_1_B	0x711E8
> +#define _PLANE_INPUT_CSC_RU_GU_2_B	0x712E8
> +#define _PLANE_INPUT_CSC_RU_GU_3_B	0x713E8
> +
> +#define _PLANE_INPUT_CSC_RU_GU_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_RU_GU_1_A, \
> +	     _PLANE_INPUT_CSC_RU_GU_1_B)
> +#define _PLANE_INPUT_CSC_RU_GU_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_RU_GU_2_A, \
> +	     _PLANE_INPUT_CSC_RU_GU_2_B)
> +#define PLANE_INPUT_CSC_RU_GU(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_RU_GU_1(pipe), \
> +		    _PLANE_INPUT_CSC_RU_GU_2(pipe))
> +
> +#define _PLANE_INPUT_CSC_BU_1_A		0x701EC
> +#define _PLANE_INPUT_CSC_BU_2_A		0x702EC
> +#define _PLANE_INPUT_CSC_BU_3_A		0x703EC
> +
> +#define _PLANE_INPUT_CSC_BU_1_B		0x711EC
> +#define _PLANE_INPUT_CSC_BU_2_B		0x712EC
> +#define _PLANE_INPUT_CSC_BU_3_B		0x713EC
> +
> +#define _PLANE_INPUT_CSC_BU_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_BU_1_A, \
> +	     _PLANE_INPUT_CSC_BU_1_B)
> +#define _PLANE_INPUT_CSC_BU_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_BU_2_A, \
> +	     _PLANE_INPUT_CSC_BU_2_B)
> +#define PLANE_INPUT_CSC_BU(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_BU_1(pipe), \
> +		    _PLANE_INPUT_CSC_BU_2(pipe))
> +
> +#define _PLANE_INPUT_CSC_RV_GV_1_A	0x701F0
> +#define _PLANE_INPUT_CSC_RV_GV_2_A	0x702F0
> +#define _PLANE_INPUT_CSC_RV_GV_3_A	0x703F0
> +
> +#define _PLANE_INPUT_CSC_RV_GV_1_B	0x711F0
> +#define _PLANE_INPUT_CSC_RV_GV_2_B	0x712F0
> +#define _PLANE_INPUT_CSC_RV_GV_3_B	0x713F0
> +
> +#define _PLANE_INPUT_CSC_RV_GV_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_RV_GV_1_A, \
> +	     _PLANE_INPUT_CSC_RV_GV_1_B)
> +#define _PLANE_INPUT_CSC_RV_GV_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_RV_GV_2_A, \
> +	     _PLANE_INPUT_CSC_RV_GV_2_B)
> +#define PLANE_INPUT_CSC_RV_GV(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_RV_GV_1(pipe), \
> +		    _PLANE_INPUT_CSC_RV_GV_2(pipe))
> +
> +#define _PLANE_INPUT_CSC_BV_1_A		0x701F4
> +#define _PLANE_INPUT_CSC_BV_2_A		0x702F4
> +#define _PLANE_INPUT_CSC_BV_3_A		0x703F4
> +
> +#define _PLANE_INPUT_CSC_BV_1_B		0x711F4
> +#define _PLANE_INPUT_CSC_BV_2_B		0x712F4
> +#define _PLANE_INPUT_CSC_BV_3_B		0x713F4
> +
> +#define _PLANE_INPUT_CSC_BV_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_BV_1_A, \
> +	     _PLANE_INPUT_CSC_BV_1_B)
> +#define _PLANE_INPUT_CSC_BV_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_BV_2_A, \
> +	     _PLANE_INPUT_CSC_BV_2_B)
> +#define PLANE_INPUT_CSC_BV(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_BV_1(pipe), \
> +		    _PLANE_INPUT_CSC_BV_2(pipe))
> +
> +#define _PLANE_INPUT_CSC_PREOFF_HI_1_A		0x701F8
> +#define _PLANE_INPUT_CSC_PREOFF_HI_2_A		0x702F8
> +#define _PLANE_INPUT_CSC_PREOFF_HI_3_A		0x703F8
> +
> +#define _PLANE_INPUT_CSC_PREOFF_HI_1_B		0x711F8
> +#define _PLANE_INPUT_CSC_PREOFF_HI_2_B		0x712F8
> +#define _PLANE_INPUT_CSC_PREOFF_HI_3_B		0x713F8
> +
> +#define _PLANE_INPUT_CSC_PREOFF_HI_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_PREOFF_HI_1_A, \
> +	     _PLANE_INPUT_CSC_PREOFF_HI_1_B)
> +#define _PLANE_INPUT_CSC_PREOFF_HI_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_PREOFF_HI_2_A, \
> +	     _PLANE_INPUT_CSC_PREOFF_HI_2_B)
> +#define PLANE_INPUT_CSC_PREOFF_HI(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_PREOFF_HI_1(pipe), \
> +		    _PLANE_INPUT_CSC_PREOFF_HI_2(pipe))
> +
> +#define _PLANE_INPUT_CSC_PREOFF_ME_1_A		0x701FC
> +#define _PLANE_INPUT_CSC_PREOFF_ME_2_A		0x702FC
> +#define _PLANE_INPUT_CSC_PREOFF_ME_3_A		0x703FC
> +
> +#define _PLANE_INPUT_CSC_PREOFF_ME_1_B		0x711FC
> +#define _PLANE_INPUT_CSC_PREOFF_ME_2_B		0x712FC
> +#define _PLANE_INPUT_CSC_PREOFF_ME_3_B		0x713FC
> +
> +#define _PLANE_INPUT_CSC_PREOFF_ME_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_PREOFF_ME_1_A, \
> +	     _PLANE_INPUT_CSC_PREOFF_ME_1_B)
> +#define _PLANE_INPUT_CSC_PREOFF_ME_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_PREOFF_ME_2_A, \
> +	     _PLANE_INPUT_CSC_PREOFF_ME_2_B)
> +#define PLANE_INPUT_CSC_PREOFF_ME(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_PREOFF_ME_1(pipe), \
> +		    _PLANE_INPUT_CSC_PREOFF_ME_2(pipe))
> +
> +#define _PLANE_INPUT_CSC_PREOFF_LO_1_A		0x70200
> +#define _PLANE_INPUT_CSC_PREOFF_LO_2_A		0x70300
> +#define _PLANE_INPUT_CSC_PREOFF_LO_3_A		0x70400
> +
> +#define _PLANE_INPUT_CSC_PREOFF_LO_1_B		0x71200
> +#define _PLANE_INPUT_CSC_PREOFF_LO_2_B		0x71300
> +#define _PLANE_INPUT_CSC_PREOFF_LO_3_B		0x71400
> +
> +#define _PLANE_INPUT_CSC_PREOFF_LO_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_PREOFF_LO_1_A, \
> +	     _PLANE_INPUT_CSC_PREOFF_LO_1_B)
> +#define _PLANE_INPUT_CSC_PREOFF_LO_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_PREOFF_LO_2_A, \
> +	     _PLANE_INPUT_CSC_PREOFF_LO_2_B)
> +#define PLANE_INPUT_CSC_PREOFF_LO(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_PREOFF_LO_1(pipe), \
> +		    _PLANE_INPUT_CSC_PREOFF_LO_2(pipe))
> +
> +#define _PLANE_INPUT_CSC_POSTOFF_HI_1_A		0x70204
> +#define _PLANE_INPUT_CSC_POSTOFF_HI_2_A		0x70304
> +#define _PLANE_INPUT_CSC_POSTOFF_HI_3_A		0x70404
> +
> +#define _PLANE_INPUT_CSC_POSTOFF_HI_1_B		0x71204
> +#define _PLANE_INPUT_CSC_POSTOFF_HI_2_B		0x71304
> +#define _PLANE_INPUT_CSC_POSTOFF_HI_3_B		0x71404
> +
> +#define _PLANE_INPUT_CSC_POSTOFF_HI_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_POSTOFF_HI_1_A, \
> +	     _PLANE_INPUT_CSC_POSTOFF_HI_1_B)
> +#define _PLANE_INPUT_CSC_POSTOFF_HI_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_POSTOFF_HI_2_A, \
> +	     _PLANE_INPUT_CSC_POSTOFF_HI_2_B)
> +#define PLANE_INPUT_CSC_POSTOFF_HI(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_POSTOFF_HI_1(pipe), \
> +		    _PLANE_INPUT_CSC_POSTOFF_HI_2(pipe))
> +
> +#define _PLANE_INPUT_CSC_POSTOFF_ME_1_A		0x70208
> +#define _PLANE_INPUT_CSC_POSTOFF_ME_2_A		0x70308
> +#define _PLANE_INPUT_CSC_POSTOFF_ME_3_A		0x70408
> +
> +#define _PLANE_INPUT_CSC_POSTOFF_ME_1_B		0x71208
> +#define _PLANE_INPUT_CSC_POSTOFF_ME_2_B		0x71308
> +#define _PLANE_INPUT_CSC_POSTOFF_ME_3_B		0x71408
> +
> +#define _PLANE_INPUT_CSC_POSTOFF_ME_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_POSTOFF_ME_1_A, \
> +	     _PLANE_INPUT_CSC_POSTOFF_ME_1_B)
> +#define _PLANE_INPUT_CSC_POSTOFF_ME_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_POSTOFF_ME_2_A, \
> +	     _PLANE_INPUT_CSC_POSTOFF_ME_2_B)
> +#define PLANE_INPUT_CSC_POSTOFF_ME(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_POSTOFF_ME_1(pipe), \
> +		    _PLANE_INPUT_CSC_POSTOFF_ME_2(pipe))
> +
> +#define _PLANE_INPUT_CSC_POSTOFF_LO_1_A		0x7020C
> +#define _PLANE_INPUT_CSC_POSTOFF_LO_2_A		0x7030C
> +#define _PLANE_INPUT_CSC_POSTOFF_LO_3_A		0x7040C
> +
> +#define _PLANE_INPUT_CSC_POSTOFF_LO_1_B		0x7120C
> +#define _PLANE_INPUT_CSC_POSTOFF_LO_2_B		0x7130C
> +#define _PLANE_INPUT_CSC_POSTOFF_LO_3_B		0x7140C
> +
> +#define _PLANE_INPUT_CSC_POSTOFF_LO_1(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_POSTOFF_LO_1_A, \
> +	     _PLANE_INPUT_CSC_POSTOFF_LO_1_B)
> +#define _PLANE_INPUT_CSC_POSTOFF_LO_2(pipe)	\
> +	_PIPE(pipe, _PLANE_INPUT_CSC_POSTOFF_LO_2_A, \
> +	     _PLANE_INPUT_CSC_POSTOFF_LO_2_B)
> +#define PLANE_INPUT_CSC_POSTOFF_LO(pipe, plane)	\
> +	_MMIO_PLANE(plane, _PLANE_INPUT_CSC_POSTOFF_LO_1(pipe), \
> +		    _PLANE_INPUT_CSC_POSTOFF_LO_2(pipe))
>  
>  #define _PLANE_CTL_1_B				0x71180
>  #define _PLANE_CTL_2_B				0x71280
> -- 
> 1.9.1
> 
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-- 
Matt Roper
Graphics Software Engineer
IoTG Platform Enabling & Development
Intel Corporation
(916) 356-2795
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