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 0857622D7A3; Mon, 3 Mar 2025 16:30:08 +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=1741019409; cv=none; b=dnZTpaGjIgjD902mlpjAi3nzKYJ+aFSchjxHO7G3EQy11HXWTJ0sFKmEYt2rQewodmkxynbKMzQuj+EVCIQkHg5SPDVbr1OvWdAb0YQl7vB3ikOyd92851tKZy79p5VheJDVFBWcj2qNSvZm6OcuaS3lECn3YCAcf71PkuxEzvw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741019409; c=relaxed/simple; bh=Gbp33Zg0auw4J+qVFDCsrw5W/bYPrkw5XHuHErAJtxs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=jp0RIRen85NfcPoOxwHkqjmzMfuTCsPHoj8rjf7r4Y6z4pxNqhjojXYiHHXKDRXGFs4FhpHoImmTW1yLRiQf6wPqKJmZVe6hp6U/PQYkkOOKQ6EHyd5B5J6loLMN2zBTLcw4EQoI5zaOC9qBFEV5X78QjVWReLJvOOgZ1Q3tJac= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hNcPIUTk; 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="hNcPIUTk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39D27C4CEE6; Mon, 3 Mar 2025 16:30:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741019408; bh=Gbp33Zg0auw4J+qVFDCsrw5W/bYPrkw5XHuHErAJtxs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hNcPIUTkF/8IVVXD7zSPa4wJEth5XP7YJBy7UD4R5iXvnEGHvFtjzg5+bC19QV4Zy YFiDMMHcjNg0mAQiTdKR7uPrzTKP8qsPmZA52ykG9B/X/j4RTrrxP1+ey1p+CouAdL vDA2BiSbP+lkL1/A8A107e7vKNBcfZ6MPNd+2vWvHG2yvYQ6O6K5seTh4p2mHRqGhn xNFSc/Fv9G57lW+JaEJgH31eM1ZMwPMFAVsbh50pRjCge4WiLz4RHqqxaJvQRfdMH3 zC+THN6IpeHa2YuDMzuESDbWloGxsAvCVqi3kFbqzkz5CdzRQVmxJeCBmBQAZogufh wOuTk0WsMCdvw== 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 6.13 08/17] drm/vkms: Round fixp2int conversion in lerp_u16 Date: Mon, 3 Mar 2025 11:29:40 -0500 Message-Id: <20250303162951.3763346-8-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250303162951.3763346-1-sashal@kernel.org> References: <20250303162951.3763346-1-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 6.13.5 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 3f0977d746bee..87dfb9f69ee5b 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