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 ACA6A19922D; Thu, 6 Jun 2024 14:13:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717683180; cv=none; b=g04S8EddWbmjmOh2/yHju0cGScJcvlhE6abJi8NPPGqHYstlHlDc2i0i4m30KrK/3yjtyV7Lsgd7f3BLM1bRint0/UTZP5WuroYZWUVMrZQ7f/f4pjYP5vUIjrCHXMScvGbA8rvW3FMJ+qiMVgwV6Sk0PdXzU3XhHqc3u59IuyA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717683180; c=relaxed/simple; bh=POmjn2+6EgiD+B3T4YUU8TNSet+RD9WQQ2QXdrg951o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EW9Pgq7m9KDvvp8Ha58WSJysI6SKrQLO/M2j4qvYVN5qIGHMDFSZjmUYrAbwYgxp0mumvb6RaKSrnI0GI9ea0SKdJGmbW7PZ6oswqNhBc+CrfnrFl63SxDpa9RfHFTsFNWC/75c615sZzTXmjt2mNRzFnA5s4BlOKDeFuc+IV3o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=i/f3zJas; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="i/f3zJas" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8AB8CC4AF0D; Thu, 6 Jun 2024 14:13:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1717683180; bh=POmjn2+6EgiD+B3T4YUU8TNSet+RD9WQQ2QXdrg951o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i/f3zJasXQaJM++Ww05MwMQT0DvR5oVFw9vgFDdH1fBe9DRRiUipmmM7a/GPotxnA J3c4I5wYkxebf9ZAJuFHb8n0uChI1xqm8b+my2sBG1TwpxzQWlQ3bWwxYrcH/vNT/J +XGGfP/OoZYsCGvn5P5NCEm7R/u3waU2J/VA0Ldw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dmytro Laktyushkin , Aurabindo Pillai , Swapnil Patel , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.1 055/473] drm/amd/display: Add dtbclk access to dcn315 Date: Thu, 6 Jun 2024 15:59:44 +0200 Message-ID: <20240606131701.703081851@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240606131659.786180261@linuxfoundation.org> References: <20240606131659.786180261@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 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Swapnil Patel [ Upstream commit a01b64f31d65bdc917d1afb4cec9915beb6931be ] [Why & How] Currently DCN315 clk manager is missing code to enable/disable dtbclk. Because of this, "optimized_required" flag is constantly set and this prevents FreeSync from engaging for certain high bandwidth display Modes which require DTBCLK. Reviewed-by: Dmytro Laktyushkin Acked-by: Aurabindo Pillai Signed-off-by: Swapnil Patel Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- .../drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c index 28b83133db910..09eb1bc9aa030 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c @@ -131,6 +131,10 @@ static void dcn315_update_clocks(struct clk_mgr *clk_mgr_base, */ clk_mgr_base->clks.zstate_support = new_clocks->zstate_support; if (safe_to_lower) { + if (clk_mgr_base->clks.dtbclk_en && !new_clocks->dtbclk_en) { + dcn315_smu_set_dtbclk(clk_mgr, false); + clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en; + } /* check that we're not already in lower */ if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) { display_count = dcn315_get_active_display_cnt_wa(dc, context); @@ -146,6 +150,10 @@ static void dcn315_update_clocks(struct clk_mgr *clk_mgr_base, } } } else { + if (!clk_mgr_base->clks.dtbclk_en && new_clocks->dtbclk_en) { + dcn315_smu_set_dtbclk(clk_mgr, true); + clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en; + } /* check that we're not already in D0 */ if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_MISSION_MODE) { union display_idle_optimization_u idle_info = { 0 }; -- 2.43.0