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 9F911481DD; Wed, 5 Mar 2025 17:57:07 +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=1741197427; cv=none; b=R73igCoLmzQB3N7VBC1rTi8dNoCYXK4kj/Jto+7kBCYE3mZIPFd3jb2Xa/uE/80wJtwKwi3FvG+kzTmKSc1lhFmkEsy+LlHebsrTKZUVPTvFQjpwL0BDxtqfTCbbBht/tpGdT0h07GMErJlYmZVdEVnyerqJaj2d8HCA3XOXj4U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741197427; c=relaxed/simple; bh=0L1bvat81ZLmbFPYRzakrXpylx5C5HXKOvqTAgjozwI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=X/3dKKfL0ZNIokJDfG6LypsvInIG9SsjpAX+YZupedP6JXUjcEvE4D+EgWosZ97rBbLEkHB9uZAhf/BP+jzhzkIoWdo+KF/KaueQm2MC3sDX/pgb/WIkYhQMm6DY5dEQ0sT5aPTlv8f+2HmpQC7zsQdyTE2rSXb/lrSFuI9J4oQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=luxVqqEB; 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="luxVqqEB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B561C4CED1; Wed, 5 Mar 2025 17:57:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741197427; bh=0L1bvat81ZLmbFPYRzakrXpylx5C5HXKOvqTAgjozwI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=luxVqqEB4hyG8uDwZbyqoTJO88mM971TApJtMufxbBddMfG1kyEI9YFaBqbLWjJuF wnmbOQ9NQFz9u6cvcWKcLWnai/M3zr2r7WTF5GUgQn15TXutV7tLI/cGQbnOrQKPwJ kI57WrBXg4qkayZeF8uLCodHVLsWRprG9q5yWk5o= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mario Limonciello , Alex Deucher , Sun peng Li , Tom Chung , Roman Li , Daniel Wheeler Subject: [PATCH 6.1 153/176] drm/amd/display: Disable PSR-SU on eDP panels Date: Wed, 5 Mar 2025 18:48:42 +0100 Message-ID: <20250305174511.581727880@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250305174505.437358097@linuxfoundation.org> References: <20250305174505.437358097@linuxfoundation.org> User-Agent: quilt/0.68 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: Tom Chung commit e8863f8b0316d8ee1e7e5291e8f2f72c91ac967d upstream. [Why] PSR-SU may cause some glitching randomly on several panels. [How] Temporarily disable the PSR-SU and fallback to PSR1 for all eDP panels. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3388 Cc: Mario Limonciello Cc: Alex Deucher Reviewed-by: Sun peng Li Signed-off-by: Tom Chung Signed-off-by: Roman Li Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher (cherry picked from commit 6deeefb820d0efb0b36753622fb982d03b37b3ad) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c @@ -51,7 +51,8 @@ static bool link_supports_psrsu(struct d !link->dpcd_caps.psr_info.psr2_su_y_granularity_cap) return false; - return dc_dmub_check_min_version(dc->ctx->dmub_srv->dmub); + /* Temporarily disable PSR-SU to avoid glitches */ + return false; } /*