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 7F888FBF8 for ; Mon, 15 May 2023 17:13:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6C40C433EF; Mon, 15 May 2023 17:13:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684170793; bh=HJ10oH3H6Jngs5vVCXUuEiXw9n3xRVNoR5J9av7pjgU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WObCCsz4Z5kTDDbYS1z/jxT7I+GKc9wTU/w6QKyeIvNt8PdYX8xOlEdN/uRmT+278 KQrrVLErYUBVm3Y+1YT88onVuwlYkOQcOwdsE1y06FUuh2WHcWy1pbbRHT/ss0g0hy jw1muC4oDvbLnDMjd0renHx6RFY1Rk4JwSRfFyck= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jun Lei , Brian Chang , Nicholas Kazlauskas , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.1 209/239] drm/amd/display: Update Z8 watermarks for DCN314 Date: Mon, 15 May 2023 18:27:52 +0200 Message-Id: <20230515161727.998172284@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161721.545370111@linuxfoundation.org> References: <20230515161721.545370111@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 fa24e116f1ce3dcc55474f0b6ab0cac4e3ee34e1 ] [Why & How] Update from HW, need to lower watermarks for enter/enter+exit latency. Reviewed-by: Jun Lei Acked-by: Brian Chang Signed-off-by: Nicholas Kazlauskas Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Stable-dep-of: 8f586cc16c1f ("drm/amd/display: Change default Z8 watermark values") Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c index 34b6c763a4554..9214ce23c3bd3 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c @@ -148,8 +148,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_14_soc = { .num_states = 5, .sr_exit_time_us = 16.5, .sr_enter_plus_exit_time_us = 18.5, - .sr_exit_z8_time_us = 442.0, - .sr_enter_plus_exit_z8_time_us = 560.0, + .sr_exit_z8_time_us = 280.0, + .sr_enter_plus_exit_z8_time_us = 350.0, .writeback_latency_us = 12.0, .dram_channel_width_bytes = 4, .round_trip_ping_latency_dcfclk_cycles = 106, -- 2.39.2