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 684EDFBF3 for ; Mon, 15 May 2023 16:59:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DA1BCC433D2; Mon, 15 May 2023 16:59:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684169949; bh=NID4KUmXriX4ekkz0vYmBRkVlbhxHL5dCiwxSe+d5tE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1GMnzpLVZNRlf2goFEIKWjLai7kf7xpvoibay721DABYWXsN6Y0nPl5GK1atOR1I4 1+zmvdKGaaunPXLSb2hoNOgYp3UHk7ALEpzBrbf07GJ75AR+xKBdoyCt1XjhrDnFZy Xtq+jGLQ68GLyP7a6zeWggULmFgFr8I348ff6r2E= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Daniel Wheeler , Nicholas Kazlauskas , Rodrigo Siqueira , Leo Chen , Alex Deucher , Sasha Levin Subject: [PATCH 6.3 223/246] drm/amd/display: Lowering min Z8 residency time Date: Mon, 15 May 2023 18:27:15 +0200 Message-Id: <20230515161729.279806841@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161722.610123835@linuxfoundation.org> References: <20230515161722.610123835@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: Leo Chen [ Upstream commit d893f39320e1248d1c97fde0d6e51e5ea008a76b ] [Why & How] Per HW team request, we're lowering the minimum Z8 residency time to 2000us. This enables Z8 support for additional modes we were previously blocking like 2k>60hz Cc: stable@vger.kernel.org Tested-by: Daniel Wheeler Reviewed-by: Nicholas Kazlauskas Acked-by: Rodrigo Siqueira Signed-off-by: Leo Chen Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 33d8188d076ab..30129fb9c27a9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -887,7 +887,7 @@ static const struct dc_plane_cap plane_cap = { static const struct dc_debug_options debug_defaults_drv = { .disable_z10 = false, .enable_z9_disable_interface = true, - .minimum_z8_residency_time = 3080, + .minimum_z8_residency_time = 2000, .psr_skip_crtc_disable = true, .disable_dmcu = true, .force_abm_enable = false, -- 2.39.2