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From: Rodrigo Vivi <rodrigo.vivi@intel.com>
To: Lyude Paul <lyude@redhat.com>
Cc: "David Airlie" <airlied@linux.ie>,
	nouveau@lists.freedesktop.org,
	"Oleg Vasilev" <oleg.vasilev@intel.com>,
	"Tanmay Shah" <tanmay@codeaurora.org>,
	"Laurent Pinchart" <laurent.pinchart@ideasonboard.com>,
	"Lee Jones" <lee.jones@linaro.org>,
	"Chandan Uddaraju" <chandanu@codeaurora.org>,
	"Emil Velikov" <emil.velikov@collabora.com>,
	"Michal Simek" <michal.simek@xilinx.com>,
	amd-gfx@lists.freedesktop.org,
	"Luben Tuikov" <luben.tuikov@amd.com>,
	"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
	"open list:DRM DRIVER FOR MSM ADRENO GPU"
	<linux-arm-msm@vger.kernel.org>,
	intel-gfx@lists.freedesktop.org,
	"Maxime Ripard" <mripard@kernel.org>,
	"Stephen Boyd" <swboyd@chromium.org>,
	"Kuogee Hsieh" <khsieh@codeaurora.org>,
	dri-devel@lists.freedesktop.org,
	"moderated list:ARM/ZYNQ ARCHITECTURE"
	<linux-arm-kernel@lists.infradead.org>,
	"Jani Nikula" <jani.nikula@linux.intel.com>,
	"Hyun Kwon" <hyun.kwon@xilinx.com>,
	"open list" <linux-kernel@vger.kernel.org>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"open list:DRM DRIVER FOR MSM ADRENO GPU"
	<freedreno@lists.freedesktop.org>,
	"Christian König" <christian.koenig@amd.com>
Subject: Re: [Nouveau] [Intel-gfx] [PATCH 19/30] drm/dp: Pass drm_dp_aux to drm_dp_link_train_clock_recovery_delay()
Date: Tue, 23 Feb 2021 09:49:29 -0500
Message-ID: <YDUV+SU7bSyfFqvw@intel.com> (raw)
In-Reply-To: <20210219215326.2227596-20-lyude@redhat.com>

On Fri, Feb 19, 2021 at 04:53:15PM -0500, Lyude Paul wrote:
> So that we can start using drm_dbg_*() in
> drm_dp_link_train_clock_recovery_delay().
> 
> Signed-off-by: Lyude Paul <lyude@redhat.com>

I wonder if we could have a drm_dp so we encapsulate both aux and dpcd
related information...

But this one already solves the issue...

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>



> ---
>  drivers/gpu/drm/amd/amdgpu/atombios_dp.c              | 2 +-
>  drivers/gpu/drm/drm_dp_helper.c                       | 3 ++-
>  drivers/gpu/drm/i915/display/intel_dp_link_training.c | 2 +-
>  drivers/gpu/drm/msm/dp/dp_ctrl.c                      | 2 +-
>  drivers/gpu/drm/msm/edp/edp_ctrl.c                    | 2 +-
>  drivers/gpu/drm/radeon/atombios_dp.c                  | 2 +-
>  drivers/gpu/drm/xlnx/zynqmp_dp.c                      | 2 +-
>  include/drm/drm_dp_helper.h                           | 4 +++-
>  8 files changed, 11 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
> index 6d35da65e09f..4468f9d6b4dd 100644
> --- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
> +++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
> @@ -611,7 +611,7 @@ amdgpu_atombios_dp_link_train_cr(struct amdgpu_atombios_dp_link_train_info *dp_i
>  	dp_info->tries = 0;
>  	voltage = 0xff;
>  	while (1) {
> -		drm_dp_link_train_clock_recovery_delay(dp_info->dpcd);
> +		drm_dp_link_train_clock_recovery_delay(dp_info->aux, dp_info->dpcd);
>  
>  		if (drm_dp_dpcd_read_link_status(dp_info->aux,
>  						 dp_info->link_status) <= 0) {
> diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
> index 194e0c273809..ce08eb3bface 100644
> --- a/drivers/gpu/drm/drm_dp_helper.c
> +++ b/drivers/gpu/drm/drm_dp_helper.c
> @@ -132,7 +132,8 @@ u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZ
>  }
>  EXPORT_SYMBOL(drm_dp_get_adjust_request_post_cursor);
>  
> -void drm_dp_link_train_clock_recovery_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
> +void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
> +					    const u8 dpcd[DP_RECEIVER_CAP_SIZE])
>  {
>  	unsigned long rd_interval = dpcd[DP_TRAINING_AUX_RD_INTERVAL] &
>  					 DP_TRAINING_AUX_RD_MASK;
> 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 892d7db7d94f..222073d46bdb 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
> @@ -441,7 +441,7 @@ static void intel_dp_link_training_clock_recovery_delay(struct intel_dp *intel_d
>  							enum drm_dp_phy dp_phy)
>  {
>  	if (dp_phy == DP_PHY_DPRX)
> -		drm_dp_link_train_clock_recovery_delay(intel_dp->dpcd);
> +		drm_dp_link_train_clock_recovery_delay(&intel_dp->aux, intel_dp->dpcd);
>  	else
>  		drm_dp_lttpr_link_train_clock_recovery_delay();
>  }
> diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
> index 36b39c381b3f..2501a6b326a3 100644
> --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c
> +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c
> @@ -1103,7 +1103,7 @@ static int dp_ctrl_link_train_1(struct dp_ctrl_private *ctrl,
>  	tries = 0;
>  	old_v_level = ctrl->link->phy_params.v_level;
>  	for (tries = 0; tries < maximum_retries; tries++) {
> -		drm_dp_link_train_clock_recovery_delay(ctrl->panel->dpcd);
> +		drm_dp_link_train_clock_recovery_delay(ctrl->aux, ctrl->panel->dpcd);
>  
>  		ret = dp_ctrl_read_link_status(ctrl, link_status);
>  		if (ret)
> diff --git a/drivers/gpu/drm/msm/edp/edp_ctrl.c b/drivers/gpu/drm/msm/edp/edp_ctrl.c
> index 57af3d8b6699..6501598448b4 100644
> --- a/drivers/gpu/drm/msm/edp/edp_ctrl.c
> +++ b/drivers/gpu/drm/msm/edp/edp_ctrl.c
> @@ -608,7 +608,7 @@ static int edp_start_link_train_1(struct edp_ctrl *ctrl)
>  	tries = 0;
>  	old_v_level = ctrl->v_level;
>  	while (1) {
> -		drm_dp_link_train_clock_recovery_delay(ctrl->dpcd);
> +		drm_dp_link_train_clock_recovery_delay(ctrl->drm_aux, ctrl->dpcd);
>  
>  		rlen = drm_dp_dpcd_read_link_status(ctrl->drm_aux, link_status);
>  		if (rlen < DP_LINK_STATUS_SIZE) {
> diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
> index c50c504bad50..299b9d8da376 100644
> --- a/drivers/gpu/drm/radeon/atombios_dp.c
> +++ b/drivers/gpu/drm/radeon/atombios_dp.c
> @@ -680,7 +680,7 @@ static int radeon_dp_link_train_cr(struct radeon_dp_link_train_info *dp_info)
>  	dp_info->tries = 0;
>  	voltage = 0xff;
>  	while (1) {
> -		drm_dp_link_train_clock_recovery_delay(dp_info->dpcd);
> +		drm_dp_link_train_clock_recovery_delay(dp_info->aux, dp_info->dpcd);
>  
>  		if (drm_dp_dpcd_read_link_status(dp_info->aux,
>  						 dp_info->link_status) <= 0) {
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c
> index 8272eee03adc..5cc295d8ba9f 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c
> @@ -713,7 +713,7 @@ static int zynqmp_dp_link_train_cr(struct zynqmp_dp *dp)
>  		if (ret)
>  			return ret;
>  
> -		drm_dp_link_train_clock_recovery_delay(dp->dpcd);
> +		drm_dp_link_train_clock_recovery_delay(&dp->aux, dp->dpcd);
>  		ret = drm_dp_dpcd_read_link_status(&dp->aux, link_status);
>  		if (ret < 0)
>  			return ret;
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index 45ec74862212..e4681665231e 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -29,6 +29,7 @@
>  #include <drm/drm_connector.h>
>  
>  struct drm_device;
> +struct drm_dp_aux;
>  
>  /*
>   * Unless otherwise noted, all values are from the DP 1.1a spec.  Note that
> @@ -1475,7 +1476,8 @@ u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZ
>  #define DP_LTTPR_COMMON_CAP_SIZE	8
>  #define DP_LTTPR_PHY_CAP_SIZE		3
>  
> -void drm_dp_link_train_clock_recovery_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
> +void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
> +					    const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
>  void drm_dp_lttpr_link_train_clock_recovery_delay(void);
>  void drm_dp_link_train_channel_eq_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
>  void drm_dp_lttpr_link_train_channel_eq_delay(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
> -- 
> 2.29.2
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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  parent reply index

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-19 21:52 [Nouveau] [PATCH 00/30] drm: Use new DRM printk funcs (like drm_dbg_*()) in DP helpers Lyude Paul
2021-02-19 21:52 ` [Nouveau] [PATCH 01/30] drm/dp: Rewrap kdocs for struct drm_dp_aux Lyude Paul
2021-02-19 23:42   ` Randy Dunlap
2021-02-24 18:31     ` Lyude Paul
2021-02-19 21:52 ` [Nouveau] [PATCH 02/30] drm/dp: Fixup kernel docs " Lyude Paul
2021-02-19 23:39   ` Randy Dunlap
2021-02-19 21:52 ` [Nouveau] [PATCH 03/30] drm/tegra: Don't register DP AUX channels before connectors Lyude Paul
2021-04-14 16:49   ` Thierry Reding
2021-04-14 18:17     ` Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 04/30] drm/bridge/tc358767: Don't register DP AUX channel until bridge is attached Lyude Paul
2021-03-19 14:27   ` Robert Foss
2021-02-19 21:53 ` [Nouveau] [PATCH 05/30] drm/bridge/cdns-mhdp8546: Register DP aux channel with userspace Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 06/30] drm/bridge/ti-sn65dsi86: (Un)register aux device on bridge attach/detach Lyude Paul
2021-02-21 18:11   ` Laurent Pinchart
2021-02-19 21:53 ` [Nouveau] [PATCH 07/30] drm/bridge/analogix/anx78xx: Add missing drm_dp_aux_unregister() call Lyude Paul
2021-03-19 14:28   ` Robert Foss
2021-02-19 21:53 ` [Nouveau] [PATCH 08/30] drm/bridge/analogix/anx78xx: Setup encoder before registering connector Lyude Paul
2021-03-19 14:35   ` Robert Foss
2021-02-19 21:53 ` [Nouveau] [PATCH 09/30] drm/bridge/analogix/anx78xx: Cleanup on error in anx78xx_bridge_attach() Lyude Paul
2021-03-19 14:37   ` Robert Foss
2021-02-19 21:53 ` [Nouveau] [PATCH 10/30] drm/bridge/analogix/anx6345: Add missing drm_dp_aux_unregister() call Lyude Paul
2021-03-19 14:39   ` Robert Foss
2021-02-19 21:53 ` [Nouveau] [PATCH 11/30] drm/bridge/analogix/anx6345: Don't link encoder until after connector registration Lyude Paul
2021-03-19 14:43   ` Robert Foss
2021-02-19 21:53 ` [Nouveau] [PATCH 12/30] drm/bridge/analogix/anx6345: Cleanup on errors in anx6345_bridge_attach() Lyude Paul
2021-03-19 14:44   ` Robert Foss
2021-02-19 21:53 ` [Nouveau] [PATCH 13/30] drm/bridge/analogix/dp_core: Unregister DP AUX channel on error in analogix_dp_probe() Lyude Paul
2021-03-19 14:45   ` Robert Foss
2021-02-19 21:53 ` [Nouveau] [PATCH 14/30] drm/nouveau/kms/nv50-: Move AUX adapter reg to connector late register/early unregister Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 15/30] drm/dp: Add backpointer to drm_device in drm_dp_aux Lyude Paul
2021-02-21 18:21   ` Laurent Pinchart
2021-02-24 20:40     ` Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 16/30] drm/dp: Rewrap drm_dp_aux_register()/drm_dp_aux_init() kdocs Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 17/30] drm/dp: Clarify DP AUX registration time Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 18/30] drm/print: Fixup DRM_DEBUG_KMS_RATELIMITED() Lyude Paul
2021-03-19 11:30   ` Robert Foss
2021-02-19 21:53 ` [Nouveau] [PATCH 19/30] drm/dp: Pass drm_dp_aux to drm_dp_link_train_clock_recovery_delay() Lyude Paul
2021-02-21 18:22   ` Laurent Pinchart
2021-02-23 14:49   ` Rodrigo Vivi [this message]
2021-02-19 21:53 ` [Nouveau] [PATCH 20/30] drm/dp: Pass drm_dp_aux to drm_dp*_link_train_channel_eq_delay() Lyude Paul
2021-02-21 18:23   ` Laurent Pinchart
2021-02-19 21:53 ` [Nouveau] [PATCH 21/30] drm/dp: Always print aux channel name in logs Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 22/30] drm/dp_dual_mode: Pass drm_device to drm_dp_dual_mode_detect() Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 23/30] drm/dp_dual_mode: Pass drm_device to drm_dp_dual_mode_set_tmds_output() Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 24/30] drm/dp_dual_mode: Pass drm_device to drm_dp_dual_mode_max_tmds_clock() Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 25/30] drm/dp_dual_mode: Pass drm_device to drm_dp_dual_mode_get_tmds_output() Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 26/30] drm/dp_dual_mode: Pass drm_device to drm_lspcon_(get|set)_mode() Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 27/30] drm/dp_mst: Pass drm_dp_mst_topology_mgr to drm_dp_get_vc_payload_bw() Lyude Paul
2021-03-19 11:35   ` Robert Foss
2021-02-19 21:53 ` [Nouveau] [PATCH 28/30] drm/dp: Convert drm_dp_helper.c to using drm_err/drm_dbg_*() Lyude Paul
2021-03-19 11:39   ` Robert Foss
2021-02-19 21:53 ` [Nouveau] [PATCH 29/30] drm/dp_dual_mode: Convert drm_dp_dual_mode_helper.c to using drm_err/drm_dbg_kms() Lyude Paul
2021-02-19 21:53 ` [Nouveau] [PATCH 30/30] drm/dp_mst: Convert drm_dp_mst_topology.c to drm_err()/drm_dbg*() Lyude Paul
2021-03-19 11:47   ` Robert Foss

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