Hi Lyude,
Thank you for the patch.
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@xxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> 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]);
--
Regards,
Laurent Pinchart
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