On 2019-10-04 at 18:48:08 +0300, Ville Syrjälä wrote:
> On Thu, Oct 03, 2019 at 01:47:33PM +0530, Anshuman Gupta wrote:
> > Adding following definition to i915_reg.h
> > 1. DC_STATE_EN register DC3CO bit fields and masks.
> > DC3CO enable bit will be used by driver to make DC3CO
> > ready for DMC f/w and status bit will be used as DC3CO
> > entry status.
> > 2. Transcoder EXITLINE register and its bit fields and mask.
> > Transcoder EXITLINE enable bit represents PSR2 idle frame
> > reset should be applied at exit line and exitlines mask
> > represent required number of scanlines at which DC3CO
> > exit happens.
> >
> > B.Specs:49196
> >
> > v1: Use of REG_BIT and using extra space for EXITLINE_ macro
> > definition. [Animesh]
> >
> > Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> > Cc: Imre Deak <imre.deak@xxxxxxxxx>
> > Cc: Animesh Manna <animesh.manna@xxxxxxxxx>
> > Reviewed-by: Animesh Manna <animesh.manna@xxxxxxxxx>
> > Reviewed-by: Imre Deak <imre.deak@xxxxxxxxx>
> > Signed-off-by: Anshuman Gupta <anshuman.gupta@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/i915_reg.h | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> > index eefd789b9a28..8fd93008214b 100644
> > --- a/drivers/gpu/drm/i915/i915_reg.h
> > +++ b/drivers/gpu/drm/i915/i915_reg.h
> > @@ -4144,6 +4144,7 @@ enum {
> > #define _VTOTAL_A 0x6000c
> > #define _VBLANK_A 0x60010
> > #define _VSYNC_A 0x60014
> > +#define _EXITLINE_A 0x60018
> > #define _PIPEASRC 0x6001c
> > #define _BCLRPAT_A 0x60020
> > #define _VSYNCSHIFT_A 0x60028
> > @@ -4190,11 +4191,16 @@ enum {
> > #define VTOTAL(trans) _MMIO_TRANS2(trans, _VTOTAL_A)
> > #define VBLANK(trans) _MMIO_TRANS2(trans, _VBLANK_A)
> > #define VSYNC(trans) _MMIO_TRANS2(trans, _VSYNC_A)
> > +#define EXITLINE(trans) _MMIO_TRANS2(trans, _EXITLINE_A)
> > #define BCLRPAT(trans) _MMIO_TRANS2(trans, _BCLRPAT_A)
> > #define VSYNCSHIFT(trans) _MMIO_TRANS2(trans, _VSYNCSHIFT_A)
> > #define PIPESRC(trans) _MMIO_TRANS2(trans, _PIPEASRC)
> > #define PIPE_MULT(trans) _MMIO_TRANS2(trans, _PIPE_MULT_A)
> >
> > +#define EXITLINE_ENABLE REG_BIT(31)
> > +#define EXITLINE_MASK REG_GENMASK(12, 0)
> > +#define EXITLINE_SHIFT 0
>
> Why are these defines hanging mid-air?
If i understand your comment correctly, the place these EXITLINE
bit defines is not correct, and it should be moved after
EXITLINE(trans) define, am i correct ?
>
> > +
> > /*
> > * HSW+ eDP PSR registers
> > *
> > @@ -10288,6 +10294,8 @@ enum skl_power_gate {
> > /* GEN9 DC */
> > #define DC_STATE_EN _MMIO(0x45504)
> > #define DC_STATE_DISABLE 0
> > +#define DC_STATE_EN_DC3CO REG_BIT(30)
> > +#define DC_STATE_DC3CO_STATUS REG_BIT(29)
> > #define DC_STATE_EN_UPTO_DC5 (1 << 0)
> > #define DC_STATE_EN_DC9 (1 << 3)
> > #define DC_STATE_EN_UPTO_DC6 (2 << 0)
> > --
> > 2.21.0
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> --
> Ville Syrjälä
> Intel
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