From: Dan Carpenter <dan.carpenter@linaro.org>
To: Waffle0823 <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 16:26:41 +0300 [thread overview]
Message-ID: <aXoOkXRK2e44W_nm@stanley.mountain> (raw)
In-Reply-To: <20260128085720.862399-1-csshin9928@gmail.com>
On Wed, Jan 28, 2026 at 05:57:20PM +0900, Waffle0823 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: Waffle0283 csshin9928@gmail.com
Please use your real name that you use to sign legal documents. The
email address is in the wrong format.
Have you tested this patch? What was the speedup?
regards,
dan carpenter
next prev parent reply other threads:[~2026-01-28 13:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-28 8:57 [PATCH] fbtft: Improve damage_range to mark only changed rows Waffle0823
2026-01-28 9:03 ` Greg KH
2026-01-28 13:26 ` Dan Carpenter [this message]
-- 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 13:05 ChanSoo Shin
2026-01-28 13:28 ` Dan Carpenter
2026-01-28 17:05 ` Nam Cao
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