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From: Imre Deak <imre.deak@intel.com>
To: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 3/9] drm/i915: Nuke usless .set_signal_levels() wrappers
Date: Wed, 29 Sep 2021 22:43:39 +0300	[thread overview]
Message-ID: <20210929194339.GE2192289@ideak-desk.fi.intel.com> (raw)
In-Reply-To: <20210927182455.27119-4-ville.syrjala@linux.intel.com>

On Mon, Sep 27, 2021 at 09:24:49PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Now that .set_signal_levels() is used for HDMI as well, we can
> remove the extra level of indirection and just plug the correct
> stuff straight into .set_signal_levels().
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Reviewed-by: Imre Deak <imre.deak@intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_ddi.c      | 119 +++++-------------
>  drivers/gpu/drm/i915/display/intel_ddi.h      |   6 +-
>  drivers/gpu/drm/i915/display/intel_snps_phy.c |   7 +-
>  drivers/gpu/drm/i915/display/intel_snps_phy.h |   5 +-
>  4 files changed, 39 insertions(+), 98 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index 4a22dcde66d9..62ab57c391ef 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -995,11 +995,11 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder,
>  		_skl_ddi_set_iboost(dev_priv, PORT_E, iboost);
>  }
>  
> -static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder,
> -				    const struct intel_crtc_state *crtc_state,
> -				    int level)
> +static void bxt_set_signal_levels(struct intel_encoder *encoder,
> +				  const struct intel_crtc_state *crtc_state)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> +	int level = intel_ddi_level(encoder, crtc_state);
>  	const struct intel_ddi_buf_trans *trans;
>  	enum port port = encoder->port;
>  	int n_entries;
> @@ -1047,10 +1047,10 @@ static u8 intel_ddi_dp_preemph_max(struct intel_dp *intel_dp)
>  }
>  
>  static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder,
> -					 const struct intel_crtc_state *crtc_state,
> -					 int level)
> +					 const struct intel_crtc_state *crtc_state)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> +	int level = intel_ddi_level(encoder, crtc_state);
>  	const struct intel_ddi_buf_trans *trans;
>  	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
>  	int n_entries, ln;
> @@ -1109,9 +1109,8 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder,
>  	intel_de_write(dev_priv, ICL_PORT_TX_DW7_GRP(phy), val);
>  }
>  
> -static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
> -					      const struct intel_crtc_state *crtc_state,
> -					      int level)
> +static void icl_combo_phy_set_signal_levels(struct intel_encoder *encoder,
> +					    const struct intel_crtc_state *crtc_state)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
>  	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
> @@ -1162,7 +1161,7 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
>  	intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val);
>  
>  	/* 5. Program swing and de-emphasis */
> -	icl_ddi_combo_vswing_program(encoder, crtc_state, level);
> +	icl_ddi_combo_vswing_program(encoder, crtc_state);
>  
>  	/* 6. Set training enable to trigger update */
>  	val = intel_de_read(dev_priv, ICL_PORT_TX_DW5_LN0(phy));
> @@ -1170,12 +1169,12 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
>  	intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val);
>  }
>  
> -static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
> -					   const struct intel_crtc_state *crtc_state,
> -					   int level)
> +static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder,
> +					 const struct intel_crtc_state *crtc_state)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
>  	enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port);
> +	int level = intel_ddi_level(encoder, crtc_state);
>  	const struct intel_ddi_buf_trans *trans;
>  	int n_entries, ln;
>  	u32 val;
> @@ -1293,26 +1292,12 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
>  	}
>  }
>  
> -static void icl_ddi_vswing_sequence(struct intel_encoder *encoder,
> -				    const struct intel_crtc_state *crtc_state,
> -				    int level)
> -{
> -	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> -	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
> -
> -	if (intel_phy_is_combo(dev_priv, phy))
> -		icl_combo_phy_ddi_vswing_sequence(encoder, crtc_state, level);
> -	else
> -		icl_mg_phy_ddi_vswing_sequence(encoder, crtc_state, level);
> -}
> -
> -static void
> -tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
> -				const struct intel_crtc_state *crtc_state,
> -				int level)
> +static void tgl_dkl_phy_set_signal_levels(struct intel_encoder *encoder,
> +					  const struct intel_crtc_state *crtc_state)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
>  	enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port);
> +	int level = intel_ddi_level(encoder, crtc_state);
>  	const struct intel_ddi_buf_trans *trans;
>  	u32 val, dpcnt_mask, dpcnt_val;
>  	int n_entries, ln;
> @@ -1364,19 +1349,6 @@ tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
>  	}
>  }
>  
> -static void tgl_ddi_vswing_sequence(struct intel_encoder *encoder,
> -				    const struct intel_crtc_state *crtc_state,
> -				    int level)
> -{
> -	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> -	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
> -
> -	if (intel_phy_is_combo(dev_priv, phy))
> -		icl_combo_phy_ddi_vswing_sequence(encoder, crtc_state, level);
> -	else
> -		tgl_dkl_phy_ddi_vswing_sequence(encoder, crtc_state, level);
> -}
> -
>  static int translate_signal_level(struct intel_dp *intel_dp,
>  				  u8 signal_levels)
>  {
> @@ -1404,8 +1376,8 @@ static int intel_ddi_dp_level(struct intel_dp *intel_dp)
>  	return translate_signal_level(intel_dp, signal_levels);
>  }
>  
> -static int intel_ddi_level(struct intel_encoder *encoder,
> -			   const struct intel_crtc_state *crtc_state)
> +int intel_ddi_level(struct intel_encoder *encoder,
> +		    const struct intel_crtc_state *crtc_state)
>  {
>  	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
>  		return intel_ddi_hdmi_level(encoder, crtc_state);
> @@ -1413,42 +1385,6 @@ static int intel_ddi_level(struct intel_encoder *encoder,
>  		return intel_ddi_dp_level(enc_to_intel_dp(encoder));
>  }
>  
> -static void
> -dg2_set_signal_levels(struct intel_encoder *encoder,
> -		      const struct intel_crtc_state *crtc_state)
> -{
> -	int level = intel_ddi_level(encoder, crtc_state);
> -
> -	intel_snps_phy_ddi_vswing_sequence(encoder, crtc_state, level);
> -}
> -
> -static void
> -tgl_set_signal_levels(struct intel_encoder *encoder,
> -		      const struct intel_crtc_state *crtc_state)
> -{
> -	int level = intel_ddi_level(encoder, crtc_state);
> -
> -	tgl_ddi_vswing_sequence(encoder, crtc_state, level);
> -}
> -
> -static void
> -icl_set_signal_levels(struct intel_encoder *encoder,
> -		      const struct intel_crtc_state *crtc_state)
> -{
> -	int level = intel_ddi_level(encoder, crtc_state);
> -
> -	icl_ddi_vswing_sequence(encoder, crtc_state, level);
> -}
> -
> -static void
> -bxt_set_signal_levels(struct intel_encoder *encoder,
> -		      const struct intel_crtc_state *crtc_state)
> -{
> -	int level = intel_ddi_level(encoder, crtc_state);
> -
> -	bxt_ddi_vswing_sequence(encoder, crtc_state, level);
> -}
> -
>  static void
>  hsw_set_signal_levels(struct intel_encoder *encoder,
>  		      const struct intel_crtc_state *crtc_state)
> @@ -4625,16 +4561,23 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>  		encoder->get_config = hsw_ddi_get_config;
>  	}
>  
> -	if (IS_DG2(dev_priv))
> -		encoder->set_signal_levels = dg2_set_signal_levels;
> -	else if (DISPLAY_VER(dev_priv) >= 12)
> -		encoder->set_signal_levels = tgl_set_signal_levels;
> -	else if (DISPLAY_VER(dev_priv) >= 11)
> -		encoder->set_signal_levels = icl_set_signal_levels;
> -	else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
> +	if (IS_DG2(dev_priv)) {
> +		encoder->set_signal_levels = intel_snps_phy_set_signal_levels;
> +	} else if (DISPLAY_VER(dev_priv) >= 12) {
> +		if (intel_phy_is_combo(dev_priv, phy))
> +			encoder->set_signal_levels = icl_combo_phy_set_signal_levels;
> +		else
> +			encoder->set_signal_levels = tgl_dkl_phy_set_signal_levels;
> +	} else if (DISPLAY_VER(dev_priv) >= 11) {
> +		if (intel_phy_is_combo(dev_priv, phy))
> +			encoder->set_signal_levels = icl_combo_phy_set_signal_levels;
> +		else
> +			encoder->set_signal_levels = icl_mg_phy_set_signal_levels;
> +	} else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) {
>  		encoder->set_signal_levels = bxt_set_signal_levels;
> -	else
> +	} else {
>  		encoder->set_signal_levels = hsw_set_signal_levels;
> +	}
>  
>  	intel_ddi_buf_trans_init(encoder);
>  
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.h b/drivers/gpu/drm/i915/display/intel_ddi.h
> index 7d448485d887..d6947c06a455 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.h
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.h
> @@ -59,13 +59,11 @@ void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
>  				    bool state);
>  void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
>  					 struct intel_crtc_state *crtc_state);
> -u32 bxt_signal_levels(struct intel_dp *intel_dp,
> -		      const struct intel_crtc_state *crtc_state);
> -u32 ddi_signal_levels(struct intel_dp *intel_dp,
> -		      const struct intel_crtc_state *crtc_state);
>  int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder,
>  			       enum transcoder cpu_transcoder,
>  			       bool enable, u32 hdcp_mask);
>  void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
> +int intel_ddi_level(struct intel_encoder *encoder,
> +		    const struct intel_crtc_state *crtc_state);
>  
>  #endif /* __INTEL_DDI_H__ */
> diff --git a/drivers/gpu/drm/i915/display/intel_snps_phy.c b/drivers/gpu/drm/i915/display/intel_snps_phy.c
> index 3734e349f91d..f59cc320ce9c 100644
> --- a/drivers/gpu/drm/i915/display/intel_snps_phy.c
> +++ b/drivers/gpu/drm/i915/display/intel_snps_phy.c
> @@ -5,6 +5,7 @@
>  
>  #include <linux/util_macros.h>
>  
> +#include "intel_ddi.h"
>  #include "intel_ddi_buf_trans.h"
>  #include "intel_de.h"
>  #include "intel_display_types.h"
> @@ -51,13 +52,13 @@ void intel_snps_phy_update_psr_power_state(struct drm_i915_private *dev_priv,
>  			 SNPS_PHY_TX_REQ_LN_DIS_PWR_STATE_PSR, val);
>  }
>  
> -void intel_snps_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
> -					const struct intel_crtc_state *crtc_state,
> -					int level)
> +void intel_snps_phy_set_signal_levels(struct intel_encoder *encoder,
> +				      const struct intel_crtc_state *crtc_state)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
>  	const struct intel_ddi_buf_trans *trans;
>  	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
> +	int level = intel_ddi_level(encoder, crtc_state);
>  	int n_entries, ln;
>  
>  	trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries);
> diff --git a/drivers/gpu/drm/i915/display/intel_snps_phy.h b/drivers/gpu/drm/i915/display/intel_snps_phy.h
> index a68547a6fee5..11dcd6deb070 100644
> --- a/drivers/gpu/drm/i915/display/intel_snps_phy.h
> +++ b/drivers/gpu/drm/i915/display/intel_snps_phy.h
> @@ -29,8 +29,7 @@ int intel_mpllb_calc_port_clock(struct intel_encoder *encoder,
>  				const struct intel_mpllb_state *pll_state);
>  
>  int intel_snps_phy_check_hdmi_link_rate(int clock);
> -void intel_snps_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
> -					const struct intel_crtc_state *crtc_state,
> -					int level);
> +void intel_snps_phy_set_signal_levels(struct intel_encoder *encoder,
> +				      const struct intel_crtc_state *crtc_state);
>  
>  #endif /* __INTEL_SNPS_PHY_H__ */
> -- 
> 2.32.0
> 

  reply	other threads:[~2021-09-29 19:43 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-27 18:24 [Intel-gfx] [PATCH 0/9] drm/i915: DP per-lane drive settings prep work Ville Syrjala
2021-09-27 18:24 ` [Intel-gfx] [PATCH 1/9] drm/i915: s/ddi_translations/trans/ Ville Syrjala
2021-09-29 16:59   ` Imre Deak
2021-09-27 18:24 ` [Intel-gfx] [PATCH 2/9] drm/i915: Generalize .set_signal_levels() Ville Syrjala
2021-09-29 19:17   ` Imre Deak
2021-09-30  7:33     ` Ville Syrjälä
2021-09-27 18:24 ` [Intel-gfx] [PATCH 3/9] drm/i915: Nuke usless .set_signal_levels() wrappers Ville Syrjala
2021-09-29 19:43   ` Imre Deak [this message]
2021-09-27 18:24 ` [Intel-gfx] [PATCH 4/9] drm/i915: De-wrapper bxt_ddi_phy_set_signal_levels() Ville Syrjala
2021-09-29 19:48   ` Imre Deak
2021-09-27 18:24 ` [Intel-gfx] [PATCH 5/9] drm/i915: Hoover the level>=n_entries WARN into intel_ddi_level() Ville Syrjala
2021-09-29 20:09   ` Imre Deak
2021-09-27 18:24 ` [Intel-gfx] [PATCH 6/9] drm/i915: Nuke intel_ddi_hdmi_num_entries() Ville Syrjala
2021-09-29 20:11   ` Imre Deak
2021-09-27 18:24 ` [Intel-gfx] [PATCH 7/9] drm/i915: Pass the lane to intel_ddi_level() Ville Syrjala
2021-09-29 20:14   ` Imre Deak
2021-09-27 18:24 ` [Intel-gfx] [PATCH 8/9] drm/i915: Prepare link training for per-lane drive settings Ville Syrjala
2021-09-28 21:22   ` [Intel-gfx] [PATCH v2 " Ville Syrjala
2021-09-29 16:54   ` [Intel-gfx] [PATCH v3 " Ville Syrjala
2021-09-29 20:26     ` Imre Deak
2021-09-30  7:07       ` Ville Syrjälä
2021-09-27 18:24 ` [Intel-gfx] [PATCH 9/9] drm/i915: Allow per-lane drive settings with LTTPRs Ville Syrjala
2021-09-29 16:55   ` [Intel-gfx] [PATCH v2 " Ville Syrjala
2021-09-29 20:27     ` Imre Deak
2021-09-27 20:15 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: DP per-lane drive settings prep work Patchwork
2021-09-27 20:16 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-09-27 20:44 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-09-28  1:25 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2021-09-28 21:54 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: DP per-lane drive settings prep work (rev2) Patchwork
2021-09-28 21:55 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-09-28 22:23 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-09-29  0:54 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2021-09-29 17:34 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: DP per-lane drive settings prep work (rev4) Patchwork
2021-09-29 17:35 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-09-29 18:05 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-09-29 21:12 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork

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