From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org,
dri-devel@lists.freedesktop.org
Subject: Re: [RESEND PATCH 5/7] drm/dp: Store coasting vtotal in struct drm_dp_as_sdp
Date: Mon, 27 Apr 2026 15:42:55 +0300 [thread overview]
Message-ID: <ae9Zzw8dEms2NODz@intel.com> (raw)
In-Reply-To: <20260424093424.3060805-6-ankit.k.nautiyal@intel.com>
On Fri, Apr 24, 2026 at 03:04:22PM +0530, Ankit Nautiyal wrote:
> Add new field in struct drm_dp_as_sdp to store coasting vtotal.
> This is used by the sinks that support Panel Replay and Asynchronous
> timing during PR Active to derive refresh rate, when AS SDP transmission
> is stopped by the source.
>
> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
> ---
> drivers/gpu/drm/display/drm_dp_helper.c | 1 +
> include/drm/display/drm_dp_helper.h | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/display/drm_dp_helper.c
> index a697cc227e28..e29958f8b0b6 100644
> --- a/drivers/gpu/drm/display/drm_dp_helper.c
> +++ b/drivers/gpu/drm/display/drm_dp_helper.c
> @@ -3512,6 +3512,7 @@ void drm_dp_as_sdp_log(struct drm_printer *p, const struct drm_dp_as_sdp *as_sdp
> drm_printf(p, " duration_incr_ms: %d\n", as_sdp->duration_incr_ms);
> drm_printf(p, " duration_decr_ms: %d\n", as_sdp->duration_decr_ms);
> drm_printf(p, " operation_mode: %d\n", as_sdp->mode);
> + drm_printf(p, " coasting vtotal: %d\n", as_sdp->coasting_vtotal);
For some reason the existing fields are using '_', this one ' '.
Looks like VSC uses ' ' as well. So the existing stuff in
drm_dp_as_sdp_log() should be fixed to conform to the common
style, in a separate patch.
Otherwise this looks fine
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> }
> EXPORT_SYMBOL(drm_dp_as_sdp_log);
>
> diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
> index 1d0acd58f486..8c2d77a032f0 100644
> --- a/include/drm/display/drm_dp_helper.h
> +++ b/include/drm/display/drm_dp_helper.h
> @@ -126,6 +126,7 @@ struct drm_dp_as_sdp {
> int duration_decr_ms;
> bool target_rr_divider;
> enum operation_mode mode;
> + int coasting_vtotal;
> };
>
> void drm_dp_as_sdp_log(struct drm_printer *p,
> --
> 2.45.2
--
Ville Syrjälä
Intel
next prev parent reply other threads:[~2026-04-27 12:43 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-24 9:34 [RESEND PATCH 0/7] AS SDP cleanups and additions for Panel Replay + VRR Ankit Nautiyal
2026-04-24 9:34 ` [RESEND PATCH 1/7] drm/dp: Rename and relocate AS SDP payload field masks Ankit Nautiyal
2026-04-24 9:34 ` [RESEND PATCH 2/7] drm/dp: Clean up DPRX feature enumeration macros Ankit Nautiyal
2026-04-24 9:34 ` [RESEND PATCH 3/7] drm/dp: Add bits for AS SDP FAVT Payload Fields Parsing support Ankit Nautiyal
2026-04-24 9:34 ` [RESEND PATCH 4/7] drm/dp: Add DPCD for configuring AS SDP for PR + VRR Ankit Nautiyal
2026-04-24 9:34 ` [RESEND PATCH 5/7] drm/dp: Store coasting vtotal in struct drm_dp_as_sdp Ankit Nautiyal
2026-04-27 12:42 ` Ville Syrjälä [this message]
2026-04-27 12:52 ` Jani Nikula
2026-04-24 9:34 ` [RESEND PATCH 6/7] drm/dp: Add a helper to get the SDP type as a string Ankit Nautiyal
2026-04-27 12:57 ` Ville Syrjälä
2026-04-24 9:34 ` [RESEND PATCH 7/7] drm/dp: Add target_rr_divider field in AS SDP logging Ankit Nautiyal
2026-04-27 12:58 ` Ville Syrjälä
2026-04-24 10:22 ` ✗ CI.checkpatch: warning for AS SDP cleanups and additions for Panel Replay + VRR Patchwork
2026-04-24 10:23 ` ✓ CI.KUnit: success " Patchwork
2026-04-24 11:29 ` ✓ Xe.CI.BAT: " Patchwork
2026-04-24 12:35 ` ✗ Xe.CI.FULL: failure " Patchwork
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