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 A287A6FB1; Tue, 5 Dec 2023 03:24:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="OSaArJsZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 21FEDC433C7; Tue, 5 Dec 2023 03:24:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1701746675; bh=9v6+D6gmnJgN0YWm+Q9LtqLz+RkRwnEEWTytvr2b17g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OSaArJsZAaUgabg0JMkXjfyLQe7zyHbYwfWkFn+oYgXofgTZl34XhKfMfkCb3VokL oHx9CHNNC3IEeK054zaHj41mW3ebJ+ZhIKZdTfvZatji3JncEE0YrsDzC8DnlHEDwc LvS2sBb+m8G/O+mucGs91Cxm6+1xsceqSI8rHPhw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Swapnil Patel , Roman Li , Agustin Gutierrez , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.6 115/134] drm/amd/display: Remove power sequencing check Date: Tue, 5 Dec 2023 12:16:27 +0900 Message-ID: <20231205031542.775971687@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231205031535.163661217@linuxfoundation.org> References: <20231205031535.163661217@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Agustin Gutierrez [ Upstream commit b0399e22ada096435de3e3e73899aa8bc026820d ] [Why] Some ASICs keep backlight powered on after dpms off command has been issued. [How] The check for no edp power sequencing was never going to pass. The value is never changed from what it is set by design. Cc: stable@vger.kernel.org # 6.1+ Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2765 Reviewed-by: Swapnil Patel Acked-by: Roman Li Signed-off-by: Agustin Gutierrez Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/link/link_dpms.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c index 28cb1f5a504d1..a17a06eb7762b 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -1930,8 +1930,7 @@ static void disable_link_dp(struct dc_link *link, dp_disable_link_phy(link, link_res, signal); if (link->connector_signal == SIGNAL_TYPE_EDP) { - if (!link->dc->config.edp_no_power_sequencing && - !link->skip_implict_edp_power_control) + if (!link->skip_implict_edp_power_control) link->dc->hwss.edp_power_control(link, false); } -- 2.42.0