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 51C70323419; Wed, 17 Sep 2025 12:51:34 +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=1758113494; cv=none; b=iuKBxHXgcaexh8WVwWOYckaKTbg88c/R7/dEkB9ydH5Y0F/lhTjLvmGSqCzbuPgeWPplzfl1wcysmlCXX1Agdkh+BX1iJ0HjLBaW+z753K9Rez7hQGrATMiyj3H5XwIvSLcphXDgXWqPaRZ406Tc0JZedB0S89Y54PA69V7eTto= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758113494; c=relaxed/simple; bh=de+4cVKpdiv3uiUUH7wVsmix0O52BZYDVm9+rHgLZyw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=i3phpmPrIhavjuBtJ+ehzdlPnOpdHVyfSmLa5GAWgvU8hvKh1YH+yz0oY7HaIt0MR7soN0u0AIyjxBQ/Nc/nLqr3hg2uFCQtFs80/d6lkd3pYvwBBtleCzwpA7zOPK0ggQbCuJiKZ2AxXzjZGc6sTglp0Is0E6Bx/3yclcPH3gk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=UddIn3Of; 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="UddIn3Of" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A34D8C4CEF0; Wed, 17 Sep 2025 12:51:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1758113494; bh=de+4cVKpdiv3uiUUH7wVsmix0O52BZYDVm9+rHgLZyw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UddIn3OfwA0tqaV33bB8KXpHfiQgzhSKN1r9UjajTTIFVCwE9HgXbIM451Qlrk5XY WVF4iQ2g+wvzvGpUTLMsLbdDoivVTIHDcYgLVnlYf5ZB6LQz7rYf+gFaxLtI1sVJ5e WGZ3590thKa1bq4bvRA3Adnu1hwaQ9EeMPKqhKqI= 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 6.12 103/140] drm/amd/display: use udelay rather than fsleep Date: Wed, 17 Sep 2025 14:34:35 +0200 Message-ID: <20250917123346.822098445@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250917123344.315037637@linuxfoundation.org> References: <20250917123344.315037637@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 6.12-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 08fc2a2c399f6..d96f52a551940 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 @@ -945,7 +945,7 @@ 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