From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 881D324BD1A; Mon, 3 Mar 2025 16:30:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741019448; cv=none; b=m09j0iKYCYRa+2FJp122DH6+dkjD5bSlYHgwDgh9/fcm3hzE4XpgOrt0167wtHD8ubQ2M9ZQhJ70XGwrQwwgM0QXV1E2LdNHsii+8ykOHfMdKWIDDO5LtMlWVmIDoDKf0DXREVbzl4pwpS6T3ZF/vt/QykG1AUQSehaw/Sbqh8o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741019448; c=relaxed/simple; bh=kWMnwqFbpjLz79Bq1d2W52AJjEPoXPjTiAxNA0FiBOc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=T38BanRQjfAsSa2lROVoTQbC141Rr1iwby/8hAYMb9zJo+9/oOfpyqxncyHcVSkPAXlVJK/l4lJ0xCwiQ0IzlzroRF8KiIq5aDXc2++SdMWq/JSE2AGcqVoX1836lwhLfIja9IWQK2FJxy47j6vX5O/V6D/W54guerADMqGRHoQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lfm+qY8n; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lfm+qY8n" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B82EC4CEE4; Mon, 3 Mar 2025 16:30:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741019447; bh=kWMnwqFbpjLz79Bq1d2W52AJjEPoXPjTiAxNA0FiBOc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lfm+qY8nOjfTA4MLQPqKFoPsXbd9/hKUlfFjwjtQYrQsql9BCNI0PE1uFR6gZF/eK fANR4ip18GU7+qUOZW1xIuHGpoP5XnXRtlLIHz7/d8ILCZfTdr2nSoH8/zCjM/fpli weI9dP/FOrXS2kQAZLmjbVB6yE3hcZ0AZWNyiSdKRBS89ctwDgV9xdlSJA8IUficUA juDGlTBNF1rojbuSsCb/YiCy6EN0xybqDEziIIgpn8JeBb3uCzRzZamqOqZwbbcMlp EqibypDVEzqFcfZVs1O8i+if1zdtBnvXesIriZqJt0IGs6wyxAD46H+dyglGn5WB04 BOdFF9xQVYKzQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Harry Wentland , Alex Hung , Louis Chauvet , Sasha Levin , maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.12 08/17] drm/vkms: Round fixp2int conversion in lerp_u16 Date: Mon, 3 Mar 2025 11:30:20 -0500 Message-Id: <20250303163031.3763651-8-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250303163031.3763651-1-sashal@kernel.org> References: <20250303163031.3763651-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.12.17 Content-Transfer-Encoding: 8bit From: Harry Wentland [ Upstream commit 8ec43c58d3be615a71548bc09148212013fb7e5f ] fixp2int always rounds down, fixp2int_ceil rounds up. We need the new fixp2int_round. Signed-off-by: Alex Hung Signed-off-by: Harry Wentland Reviewed-by: Louis Chauvet Link: https://patchwork.freedesktop.org/patch/msgid/20241220043410.416867-3-alex.hung@amd.com Signed-off-by: Louis Chauvet Signed-off-by: Sasha Levin --- drivers/gpu/drm/vkms/vkms_composer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c index e7441b227b3ce..3d6785d081f2c 100644 --- a/drivers/gpu/drm/vkms/vkms_composer.c +++ b/drivers/gpu/drm/vkms/vkms_composer.c @@ -98,7 +98,7 @@ static u16 lerp_u16(u16 a, u16 b, s64 t) s64 delta = drm_fixp_mul(b_fp - a_fp, t); - return drm_fixp2int(a_fp + delta); + return drm_fixp2int_round(a_fp + delta); } static s64 get_lut_index(const struct vkms_color_lut *lut, u16 channel_value) -- 2.39.5