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 1C0DE1E9064; Mon, 21 Oct 2024 10:48:44 +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=1729507724; cv=none; b=q0Ey0idPUwLtdICpT9Le/ZO3PNEQf7WY7mScM/UQ4ETRto+ySc3n1YgnTiN78ZBm/4YGaAKgtriljY8fmKGfIdnxVDmdcvgDgvLus1OFPr5XOX00iXOY2IFGI02nmtuqDwpKLwHXhMPvcVDGZl5ZCkxkfTzjOOxFdw0u0IAsQ1s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729507724; c=relaxed/simple; bh=Du4MeX8vmMiEOp/0/Mf3OlLIHgREek65J/2Qyq7KVwA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=IvaOdfvNqbc8wYGOt57TCeT92zg65WuZiI39kGXVYwa2LWuH9dqKLkyTFDPLNn9HnafxbR20No6LHxZtZwiNLB4/vhuvdfa5OH4pJI9HPI70Rktd+Gpl8d6Nz3iAQPNW7FDY1HxbojIRQWWuK8RVq5WjgLsyWN219bcyoHykkaY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ov1AxE6u; 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="ov1AxE6u" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E5FEC4CEC3; Mon, 21 Oct 2024 10:48:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1729507723; bh=Du4MeX8vmMiEOp/0/Mf3OlLIHgREek65J/2Qyq7KVwA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ov1AxE6uJiHxIQpORLel90A/AX4cxsM1WFXeN1heKfDFBJJaW+SQ2TFpVCNXfR3b0 0pTPUFCeHto8mutpMinka1wIop663AWaojLVSlWhD9qBkiwZorzmiRZ9YTMS/pAcSv 0uVOqzEgUxTwl46F6Sw0bT+kz7GsqD4+j4J1QouU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alex Deucher , amd-gfx@lists.freedesktop.org, Erhard Furtner , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Subject: [PATCH 5.15 49/82] drm/radeon: Fix encoder->possible_clones Date: Mon, 21 Oct 2024 12:25:30 +0200 Message-ID: <20241021102249.178621227@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241021102247.209765070@linuxfoundation.org> References: <20241021102247.209765070@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-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ville Syrjälä commit 28127dba64d8ae1a0b737b973d6d029908599611 upstream. Include the encoder itself in its possible_clones bitmask. In the past nothing validated that drivers were populating possible_clones correctly, but that changed in commit 74d2aacbe840 ("drm: Validate encoder->possible_clones"). Looks like radeon never got the memo and is still not following the rules 100% correctly. This results in some warnings during driver initialization: Bogus possible_clones: [ENCODER:46:TV-46] possible_clones=0x4 (full encoder mask=0x7) WARNING: CPU: 0 PID: 170 at drivers/gpu/drm/drm_mode_config.c:615 drm_mode_config_validate+0x113/0x39c ... Cc: Alex Deucher Cc: amd-gfx@lists.freedesktop.org Fixes: 74d2aacbe840 ("drm: Validate encoder->possible_clones") Reported-by: Erhard Furtner Closes: https://lore.kernel.org/dri-devel/20241009000321.418e4294@yea/ Tested-by: Erhard Furtner Signed-off-by: Ville Syrjälä Signed-off-by: Alex Deucher (cherry picked from commit 3b6e7d40649c0d75572039aff9d0911864c689db) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/radeon_encoders.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -41,7 +41,7 @@ static uint32_t radeon_encoder_clones(st struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_encoder *clone_encoder; - uint32_t index_mask = 0; + uint32_t index_mask = drm_encoder_mask(encoder); int count; /* DIG routing gets problematic */