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 37F1338DD3 for ; Sat, 21 Mar 2026 13:21:19 +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=1774099279; cv=none; b=oYObzf554Ra1aiJAC2dnUlRHrZdDflGSTYO7LRrODD6mUh/KOpnK3kWFehJFmOmbs2A4g++N0tvoecHeX7OgiZLkRIjcqv/tt4CEIdd/tODntQqBo0/Mdb4vjXhONxCFuxaR5ZSSp8Yzuejg3yZDq3ckztlmzTDJR4bZtkOgnoA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774099279; c=relaxed/simple; bh=U3QvSK25HgeTaD7EB2XR/0E1s0ue9pMvVGgMG7CKxgQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Qx9myt7Nc9jesOkOXzyUi2SyoXGiYBVZuhLmfey1XtS3usBPDak03VAYbo48BQcgs1ksn7FuQRk0R7N61eXwPCqHJewFanIB6MpCOYQJ5syGdt5GGi8s2vEwJKLhfeDVy3Q5D9ySrkCjUGxUHQBL/uVKpSU+aR4WxMuZIGTAECI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ht+g3xFJ; 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="Ht+g3xFJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 373B8C19421; Sat, 21 Mar 2026 13:21:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774099278; bh=U3QvSK25HgeTaD7EB2XR/0E1s0ue9pMvVGgMG7CKxgQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ht+g3xFJagoJGgNQGSGZSaNONeRFUiEYsO3L4zNG59C6w9D5H8YwKf/e9ecGDdLyE 6kbCya3EPcn/Ye0AUcdlJaFjdn4oeMqAlhQIBJssu7GJNOHZByOPzMIfbf+SQCk72M 0DXi1HkzX+tM1V0UwrWbvBJ/5xMfCgD+4AEyJI0x4/cW5/7A89kWD32G2E7AYccbii va15VDK+uAG/ZMdlouFE+MFk7dap7xWMll3h6wRihehhMeNuAQFtt79EUCapV5RenO vQO1A0Ksvbc/1qAPKM7jx5Z5FOl2rEr5XF3wp0L1MAQzaal5oznbgSL7rd0yjIDndf SQ69h9m6wCccA== From: Sasha Levin To: stable@vger.kernel.org Cc: Xi Ruoyao , LiarOnce , Alex Hung , Alex Deucher , Sasha Levin Subject: [PATCH 6.6.y] drm/amd/display: Wrap dcn32_override_min_req_memclk() in DC_FP_{START, END} Date: Sat, 21 Mar 2026 09:21:16 -0400 Message-ID: <20260321132116.312356-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2026032152-backstage-spool-d8a1@gregkh> References: <2026032152-backstage-spool-d8a1@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Xi Ruoyao [ Upstream commit ebe82c6e75cfc547154d0fd843b0dd6cca3d548f ] [Why] The dcn32_override_min_req_memclk function is in dcn32_fpu.c, which is compiled with CC_FLAGS_FPU into FP instructions. So when we call it we must use DC_FP_{START,END} to save and restore the FP context, and prepare the FP unit on architectures like LoongArch where the FP unit isn't always on. Reported-by: LiarOnce Fixes: ee7be8f3de1c ("drm/amd/display: Limit DCN32 8 channel or less parts to DPM1 for FPO") Signed-off-by: Xi Ruoyao Reviewed-by: Alex Hung Signed-off-by: Alex Deucher (cherry picked from commit 25bb1d54ba3983c064361033a8ec15474fece37e) Cc: stable@vger.kernel.org [ dropped missing `dcn32_override_min_req_dcfclk()` call since ] Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c index f98f35ac68c01..ddc0a444a0545 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c @@ -1872,7 +1872,9 @@ bool dcn32_validate_bandwidth(struct dc *dc, dc->res_pool->funcs->calculate_wm_and_dlg(dc, context, pipes, pipe_cnt, vlevel); + DC_FP_START(); dcn32_override_min_req_memclk(dc, context); + DC_FP_END(); BW_VAL_TRACE_END_WATERMARKS(); -- 2.51.0