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 326179446 for ; Sun, 13 Aug 2023 21:34:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 82C42C433C8; Sun, 13 Aug 2023 21:34:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691962478; bh=B5/TGXiFgftkeJfHdpd4CJwxcB49HhSZvGtdb5vFrYg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e9RiY9YabhFpz/Qf3JaGgQ3QuAJFUT6SvLyfAYp/6ILjijihy+nQL3eE6xHnHOGiD ORZovLbSoeoPM2TOgf8ZvWQvbzfyRMte0m5ZF1uJ1BaTPaInDi5U+bEMg4zBVJ33aV flhr+2nK7qbsZkWB0mYZ7hHakKq58mLR1urGRMkg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Harry Wentland , Rodrigo Siqueira , Aurabindo Pillai , Alex Deucher , Mario Limonciello Subject: [PATCH 6.1 043/149] drm/amd/display: Handle seamless boot stream Date: Sun, 13 Aug 2023 23:18:08 +0200 Message-ID: <20230813211720.100146543@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230813211718.757428827@linuxfoundation.org> References: <20230813211718.757428827@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Rodrigo Siqueira commit 170390e587a69b2a24abac39eb3ae6ec28a4d7f2 upstream A seamless boot stream has hardware resources assigned to it, and adding a new stream means rebuilding the current assignment. It is desirable to avoid this situation since it may cause light-up issues on the VGA monitor on USB-C. This commit swaps the seamless boot stream to pipe 0 (if necessary) to ensure that the pipe context matches. Reviewed-by: Harry Wentland Signed-off-by: Rodrigo Siqueira Co-developed-by: Aurabindo Pillai Signed-off-by: Aurabindo Pillai Signed-off-by: Alex Deucher Signed-off-by: Mario Limonciello Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -2788,6 +2788,21 @@ enum dc_status dc_validate_with_context( goto fail; } + /* Swap seamless boot stream to pipe 0 (if needed) to ensure pipe_ctx + * matches. This may change in the future if seamless_boot_stream can be + * multiple. + */ + for (i = 0; i < add_streams_count; i++) { + mark_seamless_boot_stream(dc, add_streams[i]); + if (add_streams[i]->apply_seamless_boot_optimization && i != 0) { + struct dc_stream_state *temp = add_streams[0]; + + add_streams[0] = add_streams[i]; + add_streams[i] = temp; + break; + } + } + /* Add new streams and then add all planes for the new stream */ for (i = 0; i < add_streams_count; i++) { calculate_phy_pix_clks(add_streams[i]);