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 8278317C; Sun, 1 Sep 2024 17:06:08 +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=1725210368; cv=none; b=sZhB5KQYDF34zZ1VqT2kRgZa1FfrVmHx2QoHiI0Nb2F0ruBCgXPQT6jzszSt/duEUYDbE2JYhk1x1q3St8k8utmoay53jl+iSAK4ucmnHIv1VFxeaheHjGs446mqDkWIGlSH36LmvYxclNb8MS5IIuPpuFTN6FX1p1DdgzNiGIk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725210368; c=relaxed/simple; bh=8sxaB70xG92Vjx/X9qSnKADNaT5yXqNKjJypfZyDdec=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CHy4rP5Y6UMgv8B3IL6kf8n1KP4dRgggt2jMBL8GTk8Alwp7A6QD0KHa67n1EmjhlCh1wflhtOGpLyZQPM459kyL8ZAnLuykLNhZkSP2aEnlN1RtKNidhVdXPTKV98R5OsxZ+WUPdpx5bBNt6cvJHAC7dgJULJTff66AkqKQv7k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=q1CszhFZ; 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="q1CszhFZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 026A4C4CEC3; Sun, 1 Sep 2024 17:06:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1725210368; bh=8sxaB70xG92Vjx/X9qSnKADNaT5yXqNKjJypfZyDdec=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=q1CszhFZtvSsn2hZSOSqtyqc4KvgRnFII7ywG8cet/sU03VrTkB4XC/Z7RnZHV+Uh 1TUXNbwR5rggfKzgjEGM3/jq+W5qWt3iiWEtzQoATnzk0bBtGIBdRSQmNRVAE0GuPo hQ8DaWmkrQ672v4JV+BvDhs6Y9x9FkBAxal2zc/M= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alex Hung , Harry Wentland , Alex Deucher Subject: [PATCH 5.15 167/215] Revert "drm/amd/display: Validate hw_points_num before using it" Date: Sun, 1 Sep 2024 18:17:59 +0200 Message-ID: <20240901160829.671891739@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240901160823.230213148@linuxfoundation.org> References: <20240901160823.230213148@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Hung commit 8f4bdbc8e99db6ec9cb0520748e49a2f2d7d1727 upstream. This reverts commit 58c3b3341cea4f75dc8c003b89f8a6dd8ec55e50. [WHY & HOW] The writeback series cause a regression in thunderbolt display. Signed-off-by: Alex Hung Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c | 3 --- 1 file changed, 3 deletions(-) --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c @@ -243,9 +243,6 @@ static bool dwb3_program_ogam_lut( return false; } - if (params->hw_points_num == 0) - return false; - REG_SET(DWB_OGAM_CONTROL, 0, DWB_OGAM_MODE, 2); current_mode = dwb3_get_ogam_current(dwbc30);