On Wed, Jan 17, 2018 at 07:21:48PM +0000, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> intel_dp->channel_eq_status is used in exactly one function, and we
> don't need it to persist between calls. So just go back to using a
> local variable instead.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_dp_link_training.c | 6 +++---
> drivers/gpu/drm/i915/intel_drv.h | 1 -
> 2 files changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dp_link_training.c b/drivers/gpu/drm/i915/intel_dp_link_training.c
> index 05907fa8a553..1314f5d87d7d 100644
> --- a/drivers/gpu/drm/i915/intel_dp_link_training.c
> +++ b/drivers/gpu/drm/i915/intel_dp_link_training.c
> @@ -248,6 +248,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp)
> int tries;
> u32 training_pattern;
> uint8_t link_status[DP_LINK_STATUS_SIZE];
> + bool channel_eq = false;
>
> training_pattern = intel_dp_training_pattern(intel_dp);
>
> @@ -259,7 +260,6 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp)
> return false;
> }
>
> - intel_dp->channel_eq_status = false;
> for (tries = 0; tries < 5; tries++) {
>
> drm_dp_link_train_channel_eq_delay(intel_dp->dpcd);
> @@ -279,7 +279,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp)
>
> if (drm_dp_channel_eq_ok(link_status,
> intel_dp->lane_count)) {
> - intel_dp->channel_eq_status = true;
> + channel_eq = true;
> DRM_DEBUG_KMS("Channel EQ done. DP Training "
> "successful\n");
> break;
> @@ -301,7 +301,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp)
>
> intel_dp_set_idle_link_train(intel_dp);
>
> - return intel_dp->channel_eq_status;
> + return channel_eq;
>
> }
>
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index ddf28a442cd7..1d018869ad02 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1045,7 +1045,6 @@ struct intel_dp {
> bool link_mst;
> bool has_audio;
> bool detect_done;
> - bool channel_eq_status;
> bool reset_link_params;
> uint8_t dpcd[DP_RECEIVER_CAP_SIZE];
> uint8_t psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE];
> --
> 2.13.6
>
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