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 2BE3B6AA0; Tue, 5 Dec 2023 03:22:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="OxvSGUoN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 95935C433C7; Tue, 5 Dec 2023 03:22:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1701746529; bh=crDzwVyxlHvCGzvs/q8WzNuYTA1vkud02FcQDlBUyvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OxvSGUoNfh2TcW54bFLYZ4OQ/F34RKXXRCM+5md96xtSGlIFB9XE3N+iMxW69auHz SRkSXUfJQHGlhkPcVrDUSNLKQgWJAnZlzsed6LCZOcXdKjmZ9LIaziXaKjHCrOor31 9Pm/X5xITM+uyw0unQhygGPgem6kfM0C7mpsS928= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Syed Hassan , Hamza Mahfooz , Nicholas Kazlauskas , Alex Deucher Subject: [PATCH 6.6 034/134] drm/amd/display: Update min Z8 residency time to 2100 for DCN314 Date: Tue, 5 Dec 2023 12:15:06 +0900 Message-ID: <20231205031537.651241103@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: Nicholas Kazlauskas commit 4636a211980052ca0df90265c8a3ed2d46099091 upstream. [Why] Some panels with residency period of 2054 exhibit flickering with Z8 at the end of the frame. [How] As a workaround, increase the limit to block these panels. Cc: stable@vger.kernel.org # 6.1+ Reviewed-by: Syed Hassan Acked-by: Hamza Mahfooz Signed-off-by: Nicholas Kazlauskas Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -869,7 +869,7 @@ static const struct dc_plane_cap plane_c static const struct dc_debug_options debug_defaults_drv = { .disable_z10 = false, .enable_z9_disable_interface = true, - .minimum_z8_residency_time = 2000, + .minimum_z8_residency_time = 2100, .psr_skip_crtc_disable = true, .replay_skip_crtc_disabled = true, .disable_dmcu = true,