Re: [PATCH 2/2] drm/i915: Make MG phy macros semantically consistent

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On Mon, Jan 28, 2019 at 02:00:12PM -0800, Aditya Swarup wrote:
> Macros to be organized semantically by dword, lane and
> port(in this order).
> 
> Cc: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
> Cc: Imre Deak <imre.deak@xxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Signed-off-by: Aditya Swarup <aditya.swarup@xxxxxxxxx>

Also please add Fixes tag with SHA of the original patch that
adds these macros.
With that,

Reviewed-by: Manasi navare <manasi.d.navare@xxxxxxxxx>

Manasi

> ---
>  drivers/gpu/drm/i915/i915_reg.h  | 50 ++++++++++++++++----------------
>  drivers/gpu/drm/i915/intel_ddi.c | 44 ++++++++++++++--------------
>  2 files changed, 47 insertions(+), 47 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index b0535073c3f0..da8fcdc456d2 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -1897,7 +1897,7 @@ enum i915_power_well_id {
>  #define   N_SCALAR(x)			((x) << 24)
>  #define   N_SCALAR_MASK			(0x7F << 24)
>  
> -#define MG_PHY_PORT_LN(port, ln, ln0p1, ln0p2, ln1p1) \
> +#define MG_PHY_PORT_LN(ln, port, ln0p1, ln0p2, ln1p1) \
>  	_MMIO(_PORT((port) - PORT_C, ln0p1, ln0p2) + (ln) * ((ln1p1) - (ln0p1)))
>  
>  #define MG_TX_LINK_PARAMS_TX1LN0_PORT1		0x16812C
> @@ -1908,8 +1908,8 @@ enum i915_power_well_id {
>  #define MG_TX_LINK_PARAMS_TX1LN1_PORT3		0x16A52C
>  #define MG_TX_LINK_PARAMS_TX1LN0_PORT4		0x16B12C
>  #define MG_TX_LINK_PARAMS_TX1LN1_PORT4		0x16B52C
> -#define MG_TX1_LINK_PARAMS(port, ln) \
> -	MG_PHY_PORT_LN(port, ln, MG_TX_LINK_PARAMS_TX1LN0_PORT1, \
> +#define MG_TX1_LINK_PARAMS(ln, port) \
> +	MG_PHY_PORT_LN(ln, port, MG_TX_LINK_PARAMS_TX1LN0_PORT1, \
>  				 MG_TX_LINK_PARAMS_TX1LN0_PORT2, \
>  				 MG_TX_LINK_PARAMS_TX1LN1_PORT1)
>  
> @@ -1921,8 +1921,8 @@ enum i915_power_well_id {
>  #define MG_TX_LINK_PARAMS_TX2LN1_PORT3		0x16A4AC
>  #define MG_TX_LINK_PARAMS_TX2LN0_PORT4		0x16B0AC
>  #define MG_TX_LINK_PARAMS_TX2LN1_PORT4		0x16B4AC
> -#define MG_TX2_LINK_PARAMS(port, ln) \
> -	MG_PHY_PORT_LN(port, ln, MG_TX_LINK_PARAMS_TX2LN0_PORT1, \
> +#define MG_TX2_LINK_PARAMS(ln, port) \
> +	MG_PHY_PORT_LN(ln, port, MG_TX_LINK_PARAMS_TX2LN0_PORT1, \
>  				 MG_TX_LINK_PARAMS_TX2LN0_PORT2, \
>  				 MG_TX_LINK_PARAMS_TX2LN1_PORT1)
>  #define   CRI_USE_FS32			(1 << 5)
> @@ -1935,8 +1935,8 @@ enum i915_power_well_id {
>  #define MG_TX_PISO_READLOAD_TX1LN1_PORT3		0x16A54C
>  #define MG_TX_PISO_READLOAD_TX1LN0_PORT4		0x16B14C
>  #define MG_TX_PISO_READLOAD_TX1LN1_PORT4		0x16B54C
> -#define MG_TX1_PISO_READLOAD(port, ln) \
> -	MG_PHY_PORT_LN(port, ln, MG_TX_PISO_READLOAD_TX1LN0_PORT1, \
> +#define MG_TX1_PISO_READLOAD(ln, port) \
> +	MG_PHY_PORT_LN(ln, port, MG_TX_PISO_READLOAD_TX1LN0_PORT1, \
>  				 MG_TX_PISO_READLOAD_TX1LN0_PORT2, \
>  				 MG_TX_PISO_READLOAD_TX1LN1_PORT1)
>  
> @@ -1948,8 +1948,8 @@ enum i915_power_well_id {
>  #define MG_TX_PISO_READLOAD_TX2LN1_PORT3		0x16A4CC
>  #define MG_TX_PISO_READLOAD_TX2LN0_PORT4		0x16B0CC
>  #define MG_TX_PISO_READLOAD_TX2LN1_PORT4		0x16B4CC
> -#define MG_TX2_PISO_READLOAD(port, ln) \
> -	MG_PHY_PORT_LN(port, ln, MG_TX_PISO_READLOAD_TX2LN0_PORT1, \
> +#define MG_TX2_PISO_READLOAD(ln, port) \
> +	MG_PHY_PORT_LN(ln, port, MG_TX_PISO_READLOAD_TX2LN0_PORT1, \
>  				 MG_TX_PISO_READLOAD_TX2LN0_PORT2, \
>  				 MG_TX_PISO_READLOAD_TX2LN1_PORT1)
>  #define   CRI_CALCINIT					(1 << 1)
> @@ -1962,8 +1962,8 @@ enum i915_power_well_id {
>  #define MG_TX_SWINGCTRL_TX1LN1_PORT3		0x16A548
>  #define MG_TX_SWINGCTRL_TX1LN0_PORT4		0x16B148
>  #define MG_TX_SWINGCTRL_TX1LN1_PORT4		0x16B548
> -#define MG_TX1_SWINGCTRL(port, ln) \
> -	MG_PHY_PORT_LN(port, ln, MG_TX_SWINGCTRL_TX1LN0_PORT1, \
> +#define MG_TX1_SWINGCTRL(ln, port) \
> +	MG_PHY_PORT_LN(ln, port, MG_TX_SWINGCTRL_TX1LN0_PORT1, \
>  				 MG_TX_SWINGCTRL_TX1LN0_PORT2, \
>  				 MG_TX_SWINGCTRL_TX1LN1_PORT1)
>  
> @@ -1975,8 +1975,8 @@ enum i915_power_well_id {
>  #define MG_TX_SWINGCTRL_TX2LN1_PORT3		0x16A4C8
>  #define MG_TX_SWINGCTRL_TX2LN0_PORT4		0x16B0C8
>  #define MG_TX_SWINGCTRL_TX2LN1_PORT4		0x16B4C8
> -#define MG_TX2_SWINGCTRL(port, ln) \
> -	MG_PHY_PORT_LN(port, ln, MG_TX_SWINGCTRL_TX2LN0_PORT1, \
> +#define MG_TX2_SWINGCTRL(ln, port) \
> +	MG_PHY_PORT_LN(ln, port, MG_TX_SWINGCTRL_TX2LN0_PORT1, \
>  				 MG_TX_SWINGCTRL_TX2LN0_PORT2, \
>  				 MG_TX_SWINGCTRL_TX2LN1_PORT1)
>  #define   CRI_TXDEEMPH_OVERRIDE_17_12(x)		((x) << 0)
> @@ -1990,8 +1990,8 @@ enum i915_power_well_id {
>  #define MG_TX_DRVCTRL_TX1LN1_TXPORT3			0x16A544
>  #define MG_TX_DRVCTRL_TX1LN0_TXPORT4			0x16B144
>  #define MG_TX_DRVCTRL_TX1LN1_TXPORT4			0x16B544
> -#define MG_TX1_DRVCTRL(port, ln) \
> -	MG_PHY_PORT_LN(port, ln, MG_TX_DRVCTRL_TX1LN0_TXPORT1, \
> +#define MG_TX1_DRVCTRL(ln, port) \
> +	MG_PHY_PORT_LN(ln, port, MG_TX_DRVCTRL_TX1LN0_TXPORT1, \
>  				 MG_TX_DRVCTRL_TX1LN0_TXPORT2, \
>  				 MG_TX_DRVCTRL_TX1LN1_TXPORT1)
>  
> @@ -2003,8 +2003,8 @@ enum i915_power_well_id {
>  #define MG_TX_DRVCTRL_TX2LN1_PORT3			0x16A4C4
>  #define MG_TX_DRVCTRL_TX2LN0_PORT4			0x16B0C4
>  #define MG_TX_DRVCTRL_TX2LN1_PORT4			0x16B4C4
> -#define MG_TX2_DRVCTRL(port, ln) \
> -	MG_PHY_PORT_LN(port, ln, MG_TX_DRVCTRL_TX2LN0_PORT1, \
> +#define MG_TX2_DRVCTRL(ln, port) \
> +	MG_PHY_PORT_LN(ln, port, MG_TX_DRVCTRL_TX2LN0_PORT1, \
>  				 MG_TX_DRVCTRL_TX2LN0_PORT2, \
>  				 MG_TX_DRVCTRL_TX2LN1_PORT1)
>  #define   CRI_TXDEEMPH_OVERRIDE_11_6(x)			((x) << 24)
> @@ -2023,8 +2023,8 @@ enum i915_power_well_id {
>  #define MG_CLKHUB_LN1_PORT3			0x16A79C
>  #define MG_CLKHUB_LN0_PORT4			0x16B39C
>  #define MG_CLKHUB_LN1_PORT4			0x16B79C
> -#define MG_CLKHUB(port, ln) \
> -	MG_PHY_PORT_LN(port, ln, MG_CLKHUB_LN0_PORT1, \
> +#define MG_CLKHUB(ln, port) \
> +	MG_PHY_PORT_LN(ln, port, MG_CLKHUB_LN0_PORT1, \
>  				 MG_CLKHUB_LN0_PORT2, \
>  				 MG_CLKHUB_LN1_PORT1)
>  #define   CFG_LOW_RATE_LKREN_EN				(1 << 11)
> @@ -2037,8 +2037,8 @@ enum i915_power_well_id {
>  #define MG_TX_DCC_TX1LN1_PORT3			0x16A510
>  #define MG_TX_DCC_TX1LN0_PORT4			0x16B110
>  #define MG_TX_DCC_TX1LN1_PORT4			0x16B510
> -#define MG_TX1_DCC(port, ln) \
> -	MG_PHY_PORT_LN(port, ln, MG_TX_DCC_TX1LN0_PORT1, \
> +#define MG_TX1_DCC(ln, port) \
> +	MG_PHY_PORT_LN(ln, port, MG_TX_DCC_TX1LN0_PORT1, \
>  				 MG_TX_DCC_TX1LN0_PORT2, \
>  				 MG_TX_DCC_TX1LN1_PORT1)
>  #define MG_TX_DCC_TX2LN0_PORT1			0x168090
> @@ -2049,8 +2049,8 @@ enum i915_power_well_id {
>  #define MG_TX_DCC_TX2LN1_PORT3			0x16A490
>  #define MG_TX_DCC_TX2LN0_PORT4			0x16B090
>  #define MG_TX_DCC_TX2LN1_PORT4			0x16B490
> -#define MG_TX2_DCC(port, ln) \
> -	MG_PHY_PORT_LN(port, ln, MG_TX_DCC_TX2LN0_PORT1, \
> +#define MG_TX2_DCC(ln, port) \
> +	MG_PHY_PORT_LN(ln, port, MG_TX_DCC_TX2LN0_PORT1, \
>  				 MG_TX_DCC_TX2LN0_PORT2, \
>  				 MG_TX_DCC_TX2LN1_PORT1)
>  #define   CFG_AMI_CK_DIV_OVERRIDE_VAL(x)	((x) << 25)
> @@ -2065,8 +2065,8 @@ enum i915_power_well_id {
>  #define MG_DP_MODE_LN1_ACU_PORT3			0x16A7A0
>  #define MG_DP_MODE_LN0_ACU_PORT4			0x16B3A0
>  #define MG_DP_MODE_LN1_ACU_PORT4			0x16B7A0
> -#define MG_DP_MODE(port, ln)	\
> -	MG_PHY_PORT_LN(port, ln, MG_DP_MODE_LN0_ACU_PORT1, \
> +#define MG_DP_MODE(ln, port)	\
> +	MG_PHY_PORT_LN(ln, port, MG_DP_MODE_LN0_ACU_PORT1, \
>  				 MG_DP_MODE_LN0_ACU_PORT2, \
>  				 MG_DP_MODE_LN1_ACU_PORT1)
>  #define   MG_DP_MODE_CFG_DP_X2_MODE			(1 << 7)
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index c6def69348a6..32d42f2dc3d1 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -2553,33 +2553,33 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
>  
>  	/* Set MG_TX_LINK_PARAMS cri_use_fs32 to 0. */
>  	for (ln = 0; ln < 2; ln++) {
> -		val = I915_READ(MG_TX1_LINK_PARAMS(port, ln));
> +		val = I915_READ(MG_TX1_LINK_PARAMS(ln, port));
>  		val &= ~CRI_USE_FS32;
> -		I915_WRITE(MG_TX1_LINK_PARAMS(port, ln), val);
> +		I915_WRITE(MG_TX1_LINK_PARAMS(ln, port), val);
>  
> -		val = I915_READ(MG_TX2_LINK_PARAMS(port, ln));
> +		val = I915_READ(MG_TX2_LINK_PARAMS(ln, port));
>  		val &= ~CRI_USE_FS32;
> -		I915_WRITE(MG_TX2_LINK_PARAMS(port, ln), val);
> +		I915_WRITE(MG_TX2_LINK_PARAMS(ln, port), val);
>  	}
>  
>  	/* Program MG_TX_SWINGCTRL with values from vswing table */
>  	for (ln = 0; ln < 2; ln++) {
> -		val = I915_READ(MG_TX1_SWINGCTRL(port, ln));
> +		val = I915_READ(MG_TX1_SWINGCTRL(ln, port));
>  		val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK;
>  		val |= CRI_TXDEEMPH_OVERRIDE_17_12(
>  			ddi_translations[level].cri_txdeemph_override_17_12);
> -		I915_WRITE(MG_TX1_SWINGCTRL(port, ln), val);
> +		I915_WRITE(MG_TX1_SWINGCTRL(ln, port), val);
>  
> -		val = I915_READ(MG_TX2_SWINGCTRL(port, ln));
> +		val = I915_READ(MG_TX2_SWINGCTRL(ln, port));
>  		val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK;
>  		val |= CRI_TXDEEMPH_OVERRIDE_17_12(
>  			ddi_translations[level].cri_txdeemph_override_17_12);
> -		I915_WRITE(MG_TX2_SWINGCTRL(port, ln), val);
> +		I915_WRITE(MG_TX2_SWINGCTRL(ln, port), val);
>  	}
>  
>  	/* Program MG_TX_DRVCTRL with values from vswing table */
>  	for (ln = 0; ln < 2; ln++) {
> -		val = I915_READ(MG_TX1_DRVCTRL(port, ln));
> +		val = I915_READ(MG_TX1_DRVCTRL(ln, port));
>  		val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK |
>  			 CRI_TXDEEMPH_OVERRIDE_5_0_MASK);
>  		val |= CRI_TXDEEMPH_OVERRIDE_5_0(
> @@ -2587,9 +2587,9 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
>  			CRI_TXDEEMPH_OVERRIDE_11_6(
>  				ddi_translations[level].cri_txdeemph_override_11_6) |
>  			CRI_TXDEEMPH_OVERRIDE_EN;
> -		I915_WRITE(MG_TX1_DRVCTRL(port, ln), val);
> +		I915_WRITE(MG_TX1_DRVCTRL(ln, port), val);
>  
> -		val = I915_READ(MG_TX2_DRVCTRL(port, ln));
> +		val = I915_READ(MG_TX2_DRVCTRL(ln, port));
>  		val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK |
>  			 CRI_TXDEEMPH_OVERRIDE_5_0_MASK);
>  		val |= CRI_TXDEEMPH_OVERRIDE_5_0(
> @@ -2597,7 +2597,7 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
>  			CRI_TXDEEMPH_OVERRIDE_11_6(
>  				ddi_translations[level].cri_txdeemph_override_11_6) |
>  			CRI_TXDEEMPH_OVERRIDE_EN;
> -		I915_WRITE(MG_TX2_DRVCTRL(port, ln), val);
> +		I915_WRITE(MG_TX2_DRVCTRL(ln, port), val);
>  
>  		/* FIXME: Program CRI_LOADGEN_SEL after the spec is updated */
>  	}
> @@ -2608,17 +2608,17 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
>  	 * values from table for which TX1 and TX2 enabled.
>  	 */
>  	for (ln = 0; ln < 2; ln++) {
> -		val = I915_READ(MG_CLKHUB(port, ln));
> +		val = I915_READ(MG_CLKHUB(ln, port));
>  		if (link_clock < 300000)
>  			val |= CFG_LOW_RATE_LKREN_EN;
>  		else
>  			val &= ~CFG_LOW_RATE_LKREN_EN;
> -		I915_WRITE(MG_CLKHUB(port, ln), val);
> +		I915_WRITE(MG_CLKHUB(ln, port), val);
>  	}
>  
>  	/* Program the MG_TX_DCC<LN, port being used> based on the link frequency */
>  	for (ln = 0; ln < 2; ln++) {
> -		val = I915_READ(MG_TX1_DCC(port, ln));
> +		val = I915_READ(MG_TX1_DCC(ln, port));
>  		val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK;
>  		if (link_clock <= 500000) {
>  			val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN;
> @@ -2626,9 +2626,9 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
>  			val |= CFG_AMI_CK_DIV_OVERRIDE_EN |
>  				CFG_AMI_CK_DIV_OVERRIDE_VAL(1);
>  		}
> -		I915_WRITE(MG_TX1_DCC(port, ln), val);
> +		I915_WRITE(MG_TX1_DCC(ln, port), val);
>  
> -		val = I915_READ(MG_TX2_DCC(port, ln));
> +		val = I915_READ(MG_TX2_DCC(ln, port));
>  		val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK;
>  		if (link_clock <= 500000) {
>  			val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN;
> @@ -2636,18 +2636,18 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
>  			val |= CFG_AMI_CK_DIV_OVERRIDE_EN |
>  				CFG_AMI_CK_DIV_OVERRIDE_VAL(1);
>  		}
> -		I915_WRITE(MG_TX2_DCC(port, ln), val);
> +		I915_WRITE(MG_TX2_DCC(ln, port), val);
>  	}
>  
>  	/* Program MG_TX_PISO_READLOAD with values from vswing table */
>  	for (ln = 0; ln < 2; ln++) {
> -		val = I915_READ(MG_TX1_PISO_READLOAD(port, ln));
> +		val = I915_READ(MG_TX1_PISO_READLOAD(ln, port));
>  		val |= CRI_CALCINIT;
> -		I915_WRITE(MG_TX1_PISO_READLOAD(port, ln), val);
> +		I915_WRITE(MG_TX1_PISO_READLOAD(ln, port), val);
>  
> -		val = I915_READ(MG_TX2_PISO_READLOAD(port, ln));
> +		val = I915_READ(MG_TX2_PISO_READLOAD(ln, port));
>  		val |= CRI_CALCINIT;
> -		I915_WRITE(MG_TX2_PISO_READLOAD(port, ln), val);
> +		I915_WRITE(MG_TX2_PISO_READLOAD(ln, port), val);
>  	}
>  }
>  
> -- 
> 2.17.1
> 
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