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>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"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: [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 [thread overview]
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
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-02-23 14:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210219215326.2227596-1-lyude@redhat.com>
2021-02-19 21:53 ` [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 ` [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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YDUV+SU7bSyfFqvw@intel.com \
--to=rodrigo.vivi@intel.com \
--cc=airlied@linux.ie \
--cc=alexander.deucher@amd.com \
--cc=amd-gfx@lists.freedesktop.org \
--cc=chandanu@codeaurora.org \
--cc=christian.koenig@amd.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=emil.velikov@collabora.com \
--cc=freedreno@lists.freedesktop.org \
--cc=hyun.kwon@xilinx.com \
--cc=intel-gfx@lists.freedesktop.org \
--cc=jani.nikula@linux.intel.com \
--cc=khsieh@codeaurora.org \
--cc=laurent.pinchart@ideasonboard.com \
--cc=lee.jones@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luben.tuikov@amd.com \
--cc=lyude@redhat.com \
--cc=michal.simek@xilinx.com \
--cc=mripard@kernel.org \
--cc=nouveau@lists.freedesktop.org \
--cc=oleg.vasilev@intel.com \
--cc=swboyd@chromium.org \
--cc=tanmay@codeaurora.org \
--cc=tzimmermann@suse.de \
--cc=ville.syrjala@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).