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 BC292FBE7 for ; Mon, 15 May 2023 16:48:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0A48C433EF; Mon, 15 May 2023 16:48:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684169319; bh=D7f9Y9tCw+eV4lrKpXoQ6qRhWOFr7E2ILvqLevZBWm8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1a+r3Fe9Y7Ue/Jjq2urzEBqvpYiPgND9Lyk1j/itiY6GY4A/+7M1WcujZ9ffUkw9U l+j83X2l7pNbCYQfTpWTOsgoOrwCy/eoevQiOCkQdh+PzBGfr7Ztw7tvn8JbwDVUQ/ iTovvxhrpnE2l3tHOfzHILCHueapFcpqR8XkK8M8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Leo Li , Aurabindo Pillai , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.3 020/246] drm/amd/display: Do not clear GPINT register when releasing DMUB from reset Date: Mon, 15 May 2023 18:23:52 +0200 Message-Id: <20230515161723.216239224@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: Aurabindo Pillai [ Upstream commit 99d92eaca5d915763b240aae24669f5bf3227ecf ] [Why & How] There's no need to clear GPINT register for DMUB when releasing it from reset. Fix that. Fixes: ac2e555e0a7f ("drm/amd/display: Add DMCUB source files and changes for DCN32/321") Reviewed-by: Leo Li Signed-off-by: Aurabindo Pillai Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c index b0adbf783aae9..9c20516be066c 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c @@ -137,7 +137,6 @@ void dmub_dcn32_reset(struct dmub_srv *dmub) void dmub_dcn32_reset_release(struct dmub_srv *dmub) { - REG_WRITE(DMCUB_GPINT_DATAIN1, 0); REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 0); REG_WRITE(DMCUB_SCRATCH15, dmub->psp_version & 0x001100FF); REG_UPDATE_2(DMCUB_CNTL, DMCUB_ENABLE, 1, DMCUB_TRACEPORT_EN, 1); -- 2.39.2