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From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
To: Sean Anderson <sean.anderson@linux.dev>
Cc: Michal Simek <michal.simek@amd.com>,
	David Airlie <airlied@gmail.com>,
	linux-kernel@vger.kernel.org, Daniel Vetter <daniel@ffwll.ch>,
	linux-arm-kernel@lists.infradead.org,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v2 2/8] drm: zynqmp_dp: Downgrade log level for aux retries message
Date: Wed, 20 Mar 2024 07:46:28 +0200	[thread overview]
Message-ID: <65a040af-180d-45d0-a60b-1930e12d15bd@ideasonboard.com> (raw)
In-Reply-To: <20240319225122.3048400-3-sean.anderson@linux.dev>

On 20/03/2024 00:51, Sean Anderson wrote:
> Enable this message for verbose debugging only as it is otherwise
> printed after every AUX message, quickly filling the log buffer.
> 
> Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
> 
> (no changes since v1)
> 
>   drivers/gpu/drm/xlnx/zynqmp_dp.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c
> index a0606fab0e22..98a32e6a0459 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c
> @@ -1006,7 +1006,7 @@ zynqmp_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
>   					       msg->buffer, msg->size,
>   					       &msg->reply);
>   		if (!ret) {
> -			dev_dbg(dp->dev, "aux %d retries\n", i);
> +			dev_vdbg(dp->dev, "aux %d retries\n", i);
>   			return msg->size;
>   		}
>   

Yes, these are annoying... In my work branch I had added "if (i)" there, 
so that this is only printed if there actually are retries.

But this is fine too (or even dropping the print totally), so:

Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>

  Tomi


WARNING: multiple messages have this Message-ID (diff)
From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
To: Sean Anderson <sean.anderson@linux.dev>
Cc: Michal Simek <michal.simek@amd.com>,
	David Airlie <airlied@gmail.com>,
	linux-kernel@vger.kernel.org, Daniel Vetter <daniel@ffwll.ch>,
	linux-arm-kernel@lists.infradead.org,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v2 2/8] drm: zynqmp_dp: Downgrade log level for aux retries message
Date: Wed, 20 Mar 2024 07:46:28 +0200	[thread overview]
Message-ID: <65a040af-180d-45d0-a60b-1930e12d15bd@ideasonboard.com> (raw)
In-Reply-To: <20240319225122.3048400-3-sean.anderson@linux.dev>

On 20/03/2024 00:51, Sean Anderson wrote:
> Enable this message for verbose debugging only as it is otherwise
> printed after every AUX message, quickly filling the log buffer.
> 
> Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
> 
> (no changes since v1)
> 
>   drivers/gpu/drm/xlnx/zynqmp_dp.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c
> index a0606fab0e22..98a32e6a0459 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c
> @@ -1006,7 +1006,7 @@ zynqmp_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
>   					       msg->buffer, msg->size,
>   					       &msg->reply);
>   		if (!ret) {
> -			dev_dbg(dp->dev, "aux %d retries\n", i);
> +			dev_vdbg(dp->dev, "aux %d retries\n", i);
>   			return msg->size;
>   		}
>   

Yes, these are annoying... In my work branch I had added "if (i)" there, 
so that this is only printed if there actually are retries.

But this is fine too (or even dropping the print totally), so:

Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>

  Tomi


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2024-03-20  5:46 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-19 22:51 [PATCH v2 0/8] drm: zynqmp_dp: Misc. patches and debugfs support Sean Anderson
2024-03-19 22:51 ` Sean Anderson
2024-03-19 22:51 ` [PATCH v2 1/8] drm: xlnx: Fix kerneldoc Sean Anderson
2024-03-19 22:51   ` Sean Anderson
2024-03-20  5:42   ` Tomi Valkeinen
2024-03-20  5:42     ` Tomi Valkeinen
2024-03-20  6:05     ` Randy Dunlap
2024-03-20  6:05       ` Randy Dunlap
2024-03-21 15:33       ` Sean Anderson
2024-03-21 15:33         ` Sean Anderson
2024-03-22  5:50         ` Tomi Valkeinen
2024-03-22  5:50           ` Tomi Valkeinen
2024-03-22 15:22           ` Sean Anderson
2024-03-22 15:22             ` Sean Anderson
2024-03-19 22:51 ` [PATCH v2 2/8] drm: zynqmp_dp: Downgrade log level for aux retries message Sean Anderson
2024-03-19 22:51   ` Sean Anderson
2024-03-20  5:46   ` Tomi Valkeinen [this message]
2024-03-20  5:46     ` Tomi Valkeinen
2024-03-19 22:51 ` [PATCH v2 3/8] drm: zynqmp_dp: Adjust training values per-lane Sean Anderson
2024-03-19 22:51   ` Sean Anderson
2024-03-20  5:57   ` Tomi Valkeinen
2024-03-20  5:57     ` Tomi Valkeinen
2024-03-21 15:35     ` Sean Anderson
2024-03-21 15:35       ` Sean Anderson
2024-03-19 22:51 ` [PATCH v2 4/8] drm: zynqmp_dp: Rearrange zynqmp_dp for better padding Sean Anderson
2024-03-19 22:51   ` Sean Anderson
2024-03-20  6:14   ` Tomi Valkeinen
2024-03-20  6:14     ` Tomi Valkeinen
2024-03-21 15:43     ` Sean Anderson
2024-03-21 15:43       ` Sean Anderson
2024-03-19 22:51 ` [PATCH v2 5/8] drm: zynqmp_dp: Don't retrain the link in our IRQ Sean Anderson
2024-03-19 22:51   ` Sean Anderson
2024-03-20  6:53   ` Tomi Valkeinen
2024-03-20  6:53     ` Tomi Valkeinen
2024-03-21 15:52     ` Sean Anderson
2024-03-21 15:52       ` Sean Anderson
2024-03-21 17:25       ` Tomi Valkeinen
2024-03-21 17:25         ` Tomi Valkeinen
2024-03-21 18:01         ` Sean Anderson
2024-03-21 18:01           ` Sean Anderson
2024-03-21 19:08           ` Tomi Valkeinen
2024-03-21 19:08             ` Tomi Valkeinen
2024-03-21 19:17             ` Sean Anderson
2024-03-21 19:17               ` Sean Anderson
2024-03-22  5:32               ` Tomi Valkeinen
2024-03-22  5:32                 ` Tomi Valkeinen
2024-03-22 16:18                 ` Sean Anderson
2024-03-22 16:18                   ` Sean Anderson
2024-03-22 18:09                   ` Tomi Valkeinen
2024-03-22 18:09                     ` Tomi Valkeinen
2024-03-22 21:22                     ` Sean Anderson
2024-03-22 21:22                       ` Sean Anderson
2024-03-23  8:54                       ` Tomi Valkeinen
2024-03-23  8:54                         ` Tomi Valkeinen
2024-03-19 22:51 ` [PATCH v2 6/8] drm: zynqmp_dp: Add locking Sean Anderson
2024-03-19 22:51   ` Sean Anderson
2024-03-19 22:51 ` [PATCH v2 7/8] drm: zynqmp_dp: Split off several helper functions Sean Anderson
2024-03-19 22:51   ` Sean Anderson
2024-03-20  7:36   ` Tomi Valkeinen
2024-03-20  7:36     ` Tomi Valkeinen
2024-03-19 22:51 ` [PATCH v2 8/8] drm: zynqmp_dp: Add debugfs interface for compliance testing Sean Anderson
2024-03-19 22:51   ` Sean Anderson
2024-03-20  7:49   ` Tomi Valkeinen
2024-03-20  7:49     ` Tomi Valkeinen
2024-03-21 16:08     ` Sean Anderson
2024-03-21 16:08       ` Sean Anderson
2024-03-21 16:31       ` Tomi Valkeinen
2024-03-21 16:31         ` Tomi Valkeinen
2024-03-21 16:35         ` Sean Anderson
2024-03-21 16:35           ` Sean Anderson
2024-03-19 23:02 ` [PATCH v2 0/8] drm: zynqmp_dp: Misc. patches and debugfs support Sean Anderson
2024-03-19 23:02   ` Sean Anderson

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