[Intel-gfx] [PATCH v4 3/7] drm/i915/dp: Made intel_dp_adjust_train() non-static

Manasi Navare manasi.d.navare at intel.com
Thu Mar 12 22:30:02 UTC 2020


On Tue, Mar 10, 2020 at 09:07:41PM +0530, Animesh Manna wrote:
> vswing/pre-emphasis adjustment calculation is needed in processing
> of auto phy compliance request other than link training, so have
> made non-static function.
> 
> No functional change.
> 
> v1: initial patch.
> v2:
> - used "intel_dp" prefix in function name. (Jani)
> - used array notation instead pointer for link_status. (Ville)
> v3: Scrapped the initial patch, modified commit description accordingly.
> - made non-static function and used intel_dp prefix. (Jani, Manasi)
> 
> Signed-off-by: Animesh Manna <animesh.manna at intel.com>

Reviewed-by: Manasi Navare <manasi.d.navare at intel.com>

Manasi

> ---
>  drivers/gpu/drm/i915/display/intel_dp_link_training.c | 9 ++++-----
>  drivers/gpu/drm/i915/display/intel_dp_link_training.h | 4 ++++
>  2 files changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
> index a7defb37ab00..e4f1843170b7 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
> @@ -34,9 +34,8 @@ intel_dp_dump_link_status(const u8 link_status[DP_LINK_STATUS_SIZE])
>  		      link_status[3], link_status[4], link_status[5]);
>  }
>  
> -static void
> -intel_get_adjust_train(struct intel_dp *intel_dp,
> -		       const u8 link_status[DP_LINK_STATUS_SIZE])
> +void intel_dp_get_adjust_train(struct intel_dp *intel_dp,
> +			       const u8 link_status[DP_LINK_STATUS_SIZE])
>  {
>  	u8 v = 0;
>  	u8 p = 0;
> @@ -219,7 +218,7 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp)
>  		voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
>  
>  		/* Update training set as requested by target */
> -		intel_get_adjust_train(intel_dp, link_status);
> +		intel_dp_get_adjust_train(intel_dp, link_status);
>  		if (!intel_dp_update_link_train(intel_dp)) {
>  			drm_err(&i915->drm,
>  				"failed to update link training\n");
> @@ -338,7 +337,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp)
>  		}
>  
>  		/* Update training set as requested by target */
> -		intel_get_adjust_train(intel_dp, link_status);
> +		intel_dp_get_adjust_train(intel_dp, link_status);
>  		if (!intel_dp_update_link_train(intel_dp)) {
>  			drm_err(&i915->drm,
>  				"failed to update link training\n");
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.h b/drivers/gpu/drm/i915/display/intel_dp_link_training.h
> index 174566adcc92..01f1dabbb060 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.h
> +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.h
> @@ -6,8 +6,12 @@
>  #ifndef __INTEL_DP_LINK_TRAINING_H__
>  #define __INTEL_DP_LINK_TRAINING_H__
>  
> +#include <drm/drm_dp_helper.h>
> +
>  struct intel_dp;
>  
> +void intel_dp_get_adjust_train(struct intel_dp *intel_dp,
> +			       const u8 link_status[DP_LINK_STATUS_SIZE]);
>  void intel_dp_start_link_train(struct intel_dp *intel_dp);
>  void intel_dp_stop_link_train(struct intel_dp *intel_dp);
>  
> -- 
> 2.24.0
> 
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