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 24F8BBA49 for ; Tue, 7 Mar 2023 18:32:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D4FCC433D2; Tue, 7 Mar 2023 18:32:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678213944; bh=bn1j5zW+zHjp2SEaWUv6IOxV/hlvGZUKw5NZU5YRr0Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QBB/BWlqQDfFwHYw6G08/qj/UPJeeVVy3sZf1/j5C69qDUJ9uWXyiMA6MW+wLkbMv OuPJ1MzXRJn5L6tWOs+VIXXU3MiQhXEW9hu7SsAFbBHYl24DF/0uP+1SYH9U64pGMT suykqzfmzhArzsSa85QattyJlabC/AxusDazlAZw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hansen Dsouza , Qingqing Zhuo , Nicholas Kazlauskas , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.1 639/885] drm/amd/display: Disable HUBP/DPP PG on DCN314 for now Date: Tue, 7 Mar 2023 17:59:33 +0100 Message-Id: <20230307170029.922570906@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170001.594919529@linuxfoundation.org> References: <20230307170001.594919529@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: Nicholas Kazlauskas [ Upstream commit b7c67f72408b11b922f23f06c7df0f6743a2e89d ] [Why] The DMCUB implementation required to workaround corruption is not currently stable and may cause intermittent corruption or hangs. [How] Disable PG until the sequence is stable. Reviewed-by: Hansen Dsouza Acked-by: Qingqing Zhuo Signed-off-by: Nicholas Kazlauskas Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c index 5985ce8df4e08..9918bccd6defb 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -888,6 +888,8 @@ static const struct dc_debug_options debug_defaults_drv = { .force_abm_enable = false, .timing_trace = false, .clock_trace = true, + .disable_dpp_power_gate = true, + .disable_hubp_power_gate = true, .disable_pplib_clock_request = false, .pipe_split_policy = MPC_SPLIT_DYNAMIC, .force_single_disp_pipe_split = false, -- 2.39.2