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 4ABB41E489; Wed, 17 Sep 2025 12:43:38 +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=1758113018; cv=none; b=GTrprwpTCWQaxNG0viNj39z4Pspbj5cGE8gmqI1l6jM1eCQ3J2J7G9BEm+ifLGw9+3+BDfjbwFt9cTAQwii3X9/C/cgVaDxHitDIKXrbFWIuXjQLSwlozI00xW7JXHuoGuzMwqpH/Iw3SvIE6+YmiVbcC2M7LaGdabHLC2J0CRo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758113018; c=relaxed/simple; bh=Nb5NIsLt3rO6Hj5WH1g3l6VnDQKP/quFU7TY6uSo3VQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oSeJuyfr1hcHiNIDLA5rYKRTzBKYVlK4WohYYemokHYOPE2HnQayYz6GK7mktw8AkurOOt4eruYWw2ZEYg84g8FaGaRT9uBhIZEtaLn4fooXxJ4Kcp3iqxRIPKANtQDYuLdRj2OaiUZf/mCnWkUjPPW8Eyf3ybISjslTSUB8tR4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=w5zRKxNj; 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="w5zRKxNj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 846F2C4CEF0; Wed, 17 Sep 2025 12:43:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1758113017; bh=Nb5NIsLt3rO6Hj5WH1g3l6VnDQKP/quFU7TY6uSo3VQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=w5zRKxNjxucFUKnH3kc68DDIJ4Sqn0NUYkgD8YF59X4zewu1b6nw42506tNb4fojf abQw7T3XCB4FLwtWJafT37Xn9gsGZk9IkUvfmX4GDylsNs6Ad+VzmnHrAsMe8hUvex kD2v3WwdOTwG886sIYqvqiKeq+mVfcLXutEeg578= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wen Chen , Fangzhi Zuo , Nicholas Kazlauskas , Harry Wentland , Alex Deucher , Sasha Levin Subject: [PATCH 6.16 144/189] drm/amd/display: use udelay rather than fsleep Date: Wed, 17 Sep 2025 14:34:14 +0200 Message-ID: <20250917123355.385711821@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250917123351.839989757@linuxfoundation.org> References: <20250917123351.839989757@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher [ Upstream commit 1d66c3f2b8c0b5c51f3f4fe29b362c9851190c5a ] This function can be called from an atomic context so we can't use fsleep(). Fixes: 01f60348d8fb ("drm/amd/display: Fix 'failed to blank crtc!'") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4549 Cc: Wen Chen Cc: Fangzhi Zuo Cc: Nicholas Kazlauskas Cc: Harry Wentland Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher (cherry picked from commit 27e4dc2c0543fd1808cc52bd888ee1e0533c4a2e) Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c index cdb8685ae7d71..454e362ff096a 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c @@ -955,7 +955,7 @@ enum dc_status dcn20_enable_stream_timing( return DC_ERROR_UNEXPECTED; } - fsleep(stream->timing.v_total * (stream->timing.h_total * 10000u / stream->timing.pix_clk_100hz)); + udelay(stream->timing.v_total * (stream->timing.h_total * 10000u / stream->timing.pix_clk_100hz)); params.vertical_total_min = stream->adjust.v_total_min; params.vertical_total_max = stream->adjust.v_total_max; -- 2.51.0