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drm/i915/tgl: Add DC3CO required register and bits

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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]
v2: Grouping EXITLINE reg bits with EXITLINE(trans) define,
    no functional change. [Ville]

Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191007094607.2111-1-anshuman.gupta@intel.com
This commit is contained in:
Anshuman Gupta 2019-10-07 15:16:07 +05:30 committed by Imre Deak
parent a4c969d107
commit e45e0003f6
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/i915/i915_reg.h
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@ -4145,6 +4145,7 @@ 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
@ -4196,6 +4197,11 @@ enum {
#define PIPESRC(trans) _MMIO_TRANS2(trans, _PIPEASRC)
#define PIPE_MULT(trans) _MMIO_TRANS2(trans, _PIPE_MULT_A)
#define EXITLINE(trans) _MMIO_TRANS2(trans, _EXITLINE_A)
#define EXITLINE_ENABLE REG_BIT(31)
#define EXITLINE_MASK REG_GENMASK(12, 0)
#define EXITLINE_SHIFT 0
/*
* HSW+ eDP PSR registers
*
@ -10291,6 +10297,8 @@ 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)