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 2F11822A81E; Mon, 3 Mar 2025 16:31:20 +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=1741019480; cv=none; b=SNHM1XDSq2k7LzIhR+pc+cbw/BNWz1vZa1xVu4s4ugfXy16pAx4RxpUPfc84BKbjPv85Lhf9jlmXFF66Nxq8N2sAL0b+KzJRaTog0vdUSgdp9Ctom83Ej7pnXTpHnyalfrP9zHc0kWZxBnVoA1REX0mThGugmD2eZP15C/a+pt4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741019480; c=relaxed/simple; bh=kWMnwqFbpjLz79Bq1d2W52AJjEPoXPjTiAxNA0FiBOc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=FYvURacq+TsHJGVkrgHEOPJjGbDKgBl52mdWN1D9DokRgNzA+4SEGGoW9D8PqUre9NQunLPTvGSEeuV9EH5Cx0ISFaJi99MVwSe9AxOeK4OLXMiCMZhF1iH+I9NJa8nR1jVO+JyJIgNsaiAIXhUKlnN7hfWE2/i53SrpNYWWelw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uhp1lLru; 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="uhp1lLru" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B916CC4CEEB; Mon, 3 Mar 2025 16:31:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741019480; bh=kWMnwqFbpjLz79Bq1d2W52AJjEPoXPjTiAxNA0FiBOc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uhp1lLruMVfR/btPCM3zIEPxwrVWQUVP2QcCfO7uKBM8tgqU4GepoLALrA2G17eg6 acvFIAMjWanarh7WrcsRprm/TpSTDC+szPlsouxVEG0ypZ/e2PnMyTPyS08F3ugSMk gkmCD/GYe7al6sXoUIxHLL4xIB8S5Q7B0UZDIplmldiLEwtk7C2iZYMaOGFTeGgQM4 mzdmABlHnykAUSyCf5bLlNVpjbWctvgF7fTTjLxPuSg5EmcpPux8kqrI36D8yBMKSx NoHFxredZxAqalKvJqRUyr5wqIGvEZgc2SZqRPB/xa+IOoVFcCgnoLNBoEnkGpa0b2 9+ALBM7aV7lgw== 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 6.6 05/11] drm/vkms: Round fixp2int conversion in lerp_u16 Date: Mon, 3 Mar 2025 11:31:03 -0500 Message-Id: <20250303163109.3763880-5-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250303163109.3763880-1-sashal@kernel.org> References: <20250303163109.3763880-1-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 6.6.80 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