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 4CD6022172A; Wed, 19 Mar 2025 14:40:16 +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=1742395216; cv=none; b=I4ka9fMfKfIZd4Fk2pAdYOOOPDBuhiqO3dgnbC96D5qpdW6zZXH218t2zMAw1K3X3JOUSsy8Ea+rhYN7AmuOFiw2CRAkfY3ooMCszXbaYgHrPETq1VYeZt7ARAwLcMrdNh3QKff5t/KrOudRCXgkSIDUOppN6oVVEpnE5aSr2Rw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742395216; c=relaxed/simple; bh=y7NqKHt3dlfom78hRyGl8LTntbtVkN4RaMnmSOG6GzU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VGI9vCDtnuvwlU4vgf62LytdwlMMMcIPWZMt9tX7Cm/hoSzyRPJz6vGVwo3SU/6QnhVcK6pRxw3XXdHxDQlm9O7ZeLNuxvsj8AzttSdUYAA3AClully0bNm4AGEhZuGbpM0RbgNZW/f0EDzf86tM/j+ZEt44lgINJ8YEr3rnMbA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Jw5fVumI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Jw5fVumI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F324BC4CEE4; Wed, 19 Mar 2025 14:40:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1742395216; bh=y7NqKHt3dlfom78hRyGl8LTntbtVkN4RaMnmSOG6GzU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Jw5fVumI2nLYOc/KO15684etvshNQOYWCzh9czt9tAuwhwhI/t+B2C1ez9l3aXw1E 4k0os1KVCVoUfROKPDJqVCP0nFpjuALjSVAZVwOBFKIJVPI0Ejq1syvKPRg1ccdTGf B6CznPUi75KV/1vHBqi5+SLQXth5AaaHUtU/VBiQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alex Hung , Harry Wentland , Louis Chauvet , Sasha Levin Subject: [PATCH 6.6 087/166] drm/vkms: Round fixp2int conversion in lerp_u16 Date: Wed, 19 Mar 2025 07:30:58 -0700 Message-ID: <20250319143022.377348832@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250319143019.983527953@linuxfoundation.org> References: <20250319143019.983527953@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ 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