From: "Nautiyal, Ankit K" <ankit.k.nautiyal@intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.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: Tue, 28 Apr 2026 13:13:49 +0530 [thread overview]
Message-ID: <47d1ba92-7ccc-42ee-9840-a0c367dc0e58@intel.com> (raw)
In-Reply-To: <ae9Zzw8dEms2NODz@intel.com>
On 4/27/2026 6:12 PM, Ville Syrjälä wrote:
> 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.
Sure I will fix the existing things to be consistent with rest of the thing.
Thanks,
Ankit
>
> 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
next prev parent reply other threads:[~2026-04-28 7:44 UTC|newest]
Thread overview: 19+ 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
2026-04-27 12:52 ` Jani Nikula
2026-04-28 7:48 ` Nautiyal, Ankit K
2026-04-28 7:43 ` Nautiyal, Ankit K [this message]
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
2026-04-28 7:42 ` Nautiyal, Ankit K
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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