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Commit 2ce147f3 authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Daniel Vetter
Browse files

drm/i915: Add chv port D TX wells 



Add the TX wells for port D. The Punit subsystem numbers are a total
guess at this time. Also I'm not sure these even exist. Certainly the
Punit in current hardware doesn't deal with these.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 82583565

drivers/gpu/drm/i915/i915_reg.h

+4 −0
Original line number Diff line number Diff line
@@ -527,6 +527,10 @@ enum punit_power_well { 
	PUNIT_POWER_WELL_DPIO_RX0		= 10,

	PUNIT_POWER_WELL_DPIO_RX1		= 11,

	PUNIT_POWER_WELL_DPIO_CMN_D		= 12,

	/* FIXME: guesswork below */

	PUNIT_POWER_WELL_DPIO_TX_D_LANES_01	= 13,

	PUNIT_POWER_WELL_DPIO_TX_D_LANES_23	= 14,

	PUNIT_POWER_WELL_DPIO_RX2		= 15,



	PUNIT_POWER_WELL_NUM,

};

drivers/gpu/drm/i915/intel_pm.c

+23 −0
Original line number Diff line number Diff line
@@ -6616,6 +6616,15 @@ EXPORT_SYMBOL_GPL(i915_get_cdclk_freq); 
	BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) |	\

	BIT(POWER_DOMAIN_INIT))



#define CHV_DPIO_TX_D_LANES_01_POWER_DOMAINS (	\

	BIT(POWER_DOMAIN_PORT_DDI_D_2_LANES) |	\

	BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) |	\

	BIT(POWER_DOMAIN_INIT))



#define CHV_DPIO_TX_D_LANES_23_POWER_DOMAINS (	\

	BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) |	\

	BIT(POWER_DOMAIN_INIT))



static const struct i915_power_well_ops i9xx_always_on_power_well_ops = {

	.sync_hw = i9xx_always_on_power_well_noop,

	.enable = i9xx_always_on_power_well_noop,
@@ -6833,6 +6842,20 @@ static struct i915_power_well chv_power_wells[] = { 
		.ops = &vlv_dpio_power_well_ops,

		.data = PUNIT_POWER_WELL_DPIO_TX_C_LANES_23,

	},

	{

		.name = "dpio-tx-d-01",

		.domains = CHV_DPIO_TX_D_LANES_01_POWER_DOMAINS |

			   CHV_DPIO_TX_D_LANES_23_POWER_DOMAINS,

		.ops = &vlv_dpio_power_well_ops,

		.data = PUNIT_POWER_WELL_DPIO_TX_D_LANES_01,

	},

	{

		.name = "dpio-tx-d-23",

		.domains = CHV_DPIO_TX_D_LANES_01_POWER_DOMAINS |

			   CHV_DPIO_TX_D_LANES_23_POWER_DOMAINS,

		.ops = &vlv_dpio_power_well_ops,

		.data = PUNIT_POWER_WELL_DPIO_TX_D_LANES_23,

	},

#endif

};