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 001D973466; Tue, 27 Aug 2024 15:00:14 +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=1724770815; cv=none; b=n180kiRY4lziz3aibe/B0DCKwgr938i9bYC6pdJYwt8IlbuTgO6/BuMLz2QdCg21Vfjsa+67UyyYcRQ7Squ5WZWiV7WWf45SEgY+n+vWmzJez4u1D5M3RG5gNSKCl8RVJJcHU3yOQe0geQ+IYW8kDBky96X/NM5lHXNfdyKYY+c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724770815; c=relaxed/simple; bh=4lfSmRx7sonzPYGF0lIBcR8QjKkV5jhWiFR1VHu/iGE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LRP2XPJLXML+ysLrBPPZR+Lv5pgK4ZTL6GGQ0CFrWz/eLJLjBPqMXGLK2Z5O+RiuqWgI3/uS9NQvaJogTbMJhBdCr0QCzmlVjIALG/FFLytZ0Z8DJ8N+Pr2do59MEk2OQ9gXxiNP+p9y1SPhx6Zjw/Hz/RtyfRu+s+iuNfgdtN4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=BHcp/tjW; 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="BHcp/tjW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6289AC4DDE2; Tue, 27 Aug 2024 15:00:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1724770814; bh=4lfSmRx7sonzPYGF0lIBcR8QjKkV5jhWiFR1VHu/iGE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BHcp/tjWb0G2YiNyFhlk9hjPHZcDQbaDZST+ume33uRVho67+4BTYN3Y+bfOVwVWX f+mJjYL7ff3hjuidterQBSumQHlwZb+pBn41v9VnG04IpQK3CbPpygtWUMTh9TjV6S Nqr7KnMrwgU2GeT/NKV5T5nvLFl6sUPpnbVpmeK4= 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 6.6 323/341] Revert "drm/amd/display: Validate hw_points_num before using it" Date: Tue, 27 Aug 2024 16:39:14 +0200 Message-ID: <20240827143855.685141526@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240827143843.399359062@linuxfoundation.org> References: <20240827143843.399359062@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 6.6-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);