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 23612286B9 for ; Fri, 24 Nov 2023 13:54:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Wu1Juzn3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 67D0DC433C8; Fri, 24 Nov 2023 13:54:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700834074; bh=6crSOfxwqcEDpbFIsF/oTd5qzuiCXr6dwi6yOXQGwxc=; h=Subject:To:Cc:From:Date:From; b=Wu1Juzn3pv0vzG2QFupkAt17H/fJN0zxeThsuPrX4BONOZJBbMGwg0Fwmc4qj9zl+ ATnrYIN0l75umX4Ym8EYfvKtqkddTmLTN95oSzFSGD3uycBjXkgnkjMh/vODqeFSYS 173TwiY76DyOdwvb+ufQaZrWl7dKZ8W7FYMyRjZQ= Subject: FAILED: patch "[PATCH] drm/amd/display: always switch off ODM before committing more" failed to apply to 6.5-stable tree To: wenjing.liu@amd.com,alexander.deucher@amd.com,dillon.varone@amd.com,hamza.mahfooz@amd.com Cc: From: Date: Fri, 24 Nov 2023 13:54:30 +0000 Message-ID: <2023112430-curled-hurried-e134@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.5-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.5.y git checkout FETCH_HEAD git cherry-pick -x ea7e2edca8b2150f945ee25af142fef8438c9944 # git commit -s git send-email --to '' --in-reply-to '2023112430-curled-hurried-e134@gregkh' --subject-prefix 'PATCH 6.5.y' HEAD^.. Possible dependencies: ea7e2edca8b2 ("drm/amd/display: always switch off ODM before committing more streams") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From ea7e2edca8b2150f945ee25af142fef8438c9944 Mon Sep 17 00:00:00 2001 From: Wenjing Liu Date: Tue, 15 Aug 2023 10:47:52 -0400 Subject: [PATCH] drm/amd/display: always switch off ODM before committing more streams ODM power optimization is only supported with single stream. When ODM power optimization is enabled, we might not have enough free pipes for enabling other stream. So when we are committing more than 1 stream we should first switch off ODM power optimization to make room for new stream and then allocating pipe resource for the new stream. Cc: stable@vger.kernel.org Fixes: 59de751e3845 ("drm/amd/display: add ODM case when looking for first split pipe") Reviewed-by: Dillon Varone Acked-by: Hamza Mahfooz Signed-off-by: Wenjing Liu Signed-off-by: Alex Deucher diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index c8f301aabcf8..5aab67868cb6 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -2073,12 +2073,12 @@ enum dc_status dc_commit_streams(struct dc *dc, } } - /* Check for case where we are going from odm 2:1 to max - * pipe scenario. For these cases, we will call - * commit_minimal_transition_state() to exit out of odm 2:1 - * first before processing new streams + /* ODM Combine 2:1 power optimization is only applied for single stream + * scenario, it uses extra pipes than needed to reduce power consumption + * We need to switch off this feature to make room for new streams. */ - if (stream_count == dc->res_pool->pipe_count) { + if (stream_count > dc->current_state->stream_count && + dc->current_state->stream_count == 1) { for (i = 0; i < dc->res_pool->pipe_count; i++) { pipe = &dc->current_state->res_ctx.pipe_ctx[i]; if (pipe->next_odm_pipe)