From: Dan Carpenter <dan.carpenter@linaro.org>
To: ChanSoo Shin <csshin9928@gmail.com>
Cc: andy@kernel.org, gregkh@linuxfoundation.org,
dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
linux-staging@lists.linux.dev
Subject: Re: [PATCH] fbtft: Improve damage_range to mark only changed rows
Date: Wed, 28 Jan 2026 16:28:17 +0300 [thread overview]
Message-ID: <aXoO8Yn9JibNVs-b@stanley.mountain> (raw)
In-Reply-To: <20260128130503.868466-1-csshin9928@gmail.com>
On Wed, Jan 28, 2026 at 10:05:03PM +0900, ChanSoo Shin wrote:
> Instead of marking the entire display as dirty, calculate
> start_row and end_row based on off/len and mark only those rows.
> This improves performance for partial framebuffer updates.
>
> Signed-off-by: ChanSoo Shin <csshin9928@gmail.com>
> ---
This is v3 but it's not marked or described.
Have you tested this patch? What was the speed up?
regards,
dan carpenter
next prev parent reply other threads:[~2026-01-28 13:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-28 13:05 [PATCH] fbtft: Improve damage_range to mark only changed rows ChanSoo Shin
2026-01-28 13:28 ` Dan Carpenter [this message]
2026-01-28 17:05 ` Nam Cao
-- strict thread matches above, loose matches on Subject: below --
2026-01-28 9:22 Waffle0823
2026-01-28 9:57 ` Greg KH
2026-01-28 8:57 Waffle0823
2026-01-28 9:03 ` Greg KH
2026-01-28 13:26 ` Dan Carpenter
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