[Intel-gfx] [PATCH 1/4] drm/i915/icl: Add VIDEO_DIP regsiters

[Srivatsa, Anusha]

>-----Original Message-----
>From: Vivi, Rodrigo
>Sent: Wednesday, July 18, 2018 1:54 PM
>To: Navare, Manasi D <manasi.d.navare at intel.com>
>Cc: Srivatsa, Anusha <anusha.srivatsa at intel.com>; Nikula, Jani
><jani.nikula at intel.com>; intel-gfx at lists.freedesktop.org
>Subject: Re: [Intel-gfx] [PATCH 1/4] drm/i915/icl: Add VIDEO_DIP regsiters
>
>On Wed, Jul 18, 2018 at 11:53:54AM -0700, Manasi Navare wrote:
>> On Tue, Jul 17, 2018 at 02:10:58PM -0700, Anusha Srivatsa wrote:
>> > From: "Srivatsa, Anusha" <anusha.srivatsa at intel.com>
>> >
>> > The Picture Parameter Set metadata for DSC has to be sent to the
>> > panel through secondary data packets. Add the error correction
>> > registers, data registers and control registers for the same.
>> >
>> > The control registers for  transcoders A and B are already defined
>> > and will be reused for Icelake purpose. This patch adds Control
>> > register for EDP and transcoder C apart from adding the PPS data and
>> > error registers.
>> >
>> > v2: reuse MMIO_TRANS2 for _PPS_DATA and _PPS_ECC.
>> > The  _MMIO_TRANS2(pipe, reg) macro definition takes care of the eDp
>> > case
>> >
>> > Cc: Jani Nikula <jani.nikula at intel.com>
>> > Cc: Ville Syrjala <ville.syrjala at linux.intel.com>
>> > Cc: Manasi Navare <manasi.d.navare at intel.com>
>> > Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
>>
>> Checked against the spec and tested it.
>>
>> Reviewed-by: Manasi Navare <manasi.d.navare at intel.com>
>>
>> > ---
>> >  drivers/gpu/drm/i915/i915_reg.h | 23 +++++++++++++++++++++++
>> >  1 file changed, 23 insertions(+)
>> >
>> > diff --git a/drivers/gpu/drm/i915/i915_reg.h
>> > b/drivers/gpu/drm/i915/i915_reg.h index 1f222af..23e70a4 100644
>> > --- a/drivers/gpu/drm/i915/i915_reg.h
>> > +++ b/drivers/gpu/drm/i915/i915_reg.h
>> > @@ -4605,6 +4605,16 @@ enum {
>> >  #define   VIDEO_DIP_ENABLE_GMP_HSW	(1 << 4)
>> >  #define   VIDEO_DIP_ENABLE_SPD_HSW	(1 << 0)
>> >
>> > +#define  DRM_DIP_ENABLE			(1 << 28)
>> > +#define  PSR_VSC_BIT_7_SET		(1 << 27)
>> > +#define  VSC_SELECT_MASK		(0x3 << 26)
>> > +#define  VSC_SELECT_SHIFT		26
>> > +#define  VSC_DIP_HW_HEA_DATA		(0 << 26)
>> > +#define  VSC_DIP_HW_HEA_SW_DATA		(1 << 26)
>> > +#define  VSC_DIP_HW_DATA_SW_HEA		(2 << 26)
>> > +#define  VSC_DIP_SW_HEA_DATA		(3 << 26)
>> > +#define  VDIP_ENABLE_PPS		(1 << 24)
>> > +
>> >  /* Panel power sequencing */
>> >  #define PPS_BASE			0x61200
>> >  #define VLV_PPS_BASE			(VLV_DISPLAY_BASE +
>PPS_BASE)
>> > @@ -7843,12 +7853,25 @@ enum {
>> >  #define _HSW_VIDEO_DIP_VSC_ECC_B	0x61344
>> >  #define _HSW_VIDEO_DIP_GCP_B		0x61210
>> >
>> > +/* Icelake PPS_DATA and _ECC DIP Registers.
>> > + * These are available for transcoders B,C and eDP.
>> > + * Adding the _A so as to reuse the _MMIO_TRANS2
>> > + * definition, with which it offsets to the right location.
>> > + */
>> > +
>> > +#define _ICL_VIDEO_DIP_PPS_DATA_A	0x60350
>> > +#define _ICL_VIDEO_DIP_PPS_DATA_B	0x61350
>> > +#define _ICL_VIDEO_DIP_PPS_ECC_A	0x603D4
>> > +#define _ICL_VIDEO_DIP_PPS_ECC_B	0x613D4
>> > +
>> >  #define HSW_TVIDEO_DIP_CTL(trans)		_MMIO_TRANS2(trans,
>_HSW_VIDEO_DIP_CTL_A)
>> >  #define HSW_TVIDEO_DIP_AVI_DATA(trans, i)	_MMIO_TRANS2(trans,
>_HSW_VIDEO_DIP_AVI_DATA_A + (i) * 4)
>> >  #define HSW_TVIDEO_DIP_VS_DATA(trans, i)	_MMIO_TRANS2(trans,
>_HSW_VIDEO_DIP_VS_DATA_A + (i) * 4)
>> >  #define HSW_TVIDEO_DIP_SPD_DATA(trans, i)	_MMIO_TRANS2(trans,
>_HSW_VIDEO_DIP_SPD_DATA_A + (i) * 4)
>> >  #define HSW_TVIDEO_DIP_GCP(trans)		_MMIO_TRANS2(trans,
>_HSW_VIDEO_DIP_GCP_A)
>> >  #define HSW_TVIDEO_DIP_VSC_DATA(trans, i)	_MMIO_TRANS2(trans,
>_HSW_VIDEO_DIP_VSC_DATA_A + (i) * 4)
>> > +#define ICL_VIDEO_DIP_PPS_DATA(trans, i)	_MMIO_TRANS2(trans,
>_ICL_VIDEO_DIP_PPS_DATA_A + (i) * 4)
>> > +#define ICL_VIDEO_DIP_PPS_ECC(trans, i)		_MMIO_TRANS2(trans,
>_ICL_VIDEO_DIP_PPS_ECC_A + (i) * 4)
>
>need to make checkpatch happy here ^

Rodrigo,
 There are actually some lines right above this that are over 80 characters.... 
I thought splitting the line might not look good here. :(


Anusha  
>> >
>> >  #define _HSW_STEREO_3D_CTL_A		0x70020
>> >  #define   S3D_ENABLE			(1 << 31)
>> > --
>> > 2.7.4
>> >
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/intel-gfx