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 072101386B4; Wed, 5 Mar 2025 18:01:39 +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=1741197699; cv=none; b=uXt7fJXYo6OJzF38lhDMo90Wzobqh/NmysAEbsMOPDiyHXeYc1KfTBNopDSPOSlgZg08VFnPeeawDuswacQdvQXX0AtFwa7HPDf7zYJc3I+BtunMgWnk5DPJoGE/37mPoBHk2/YvLHjjFwvhW0RogS2BxERaF7/3Atw22lS7HjE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741197699; c=relaxed/simple; bh=SWdDIKYmJmALrMntqQK2pHTGyj8Mx6j4SF5lEFDjZtA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M9rSoRtEtTI/vaQ5U/d58ll4gFdIvNbvkEwLLKXtXVStk4FZ7l2oXYMpZgEnkT+KiOc8iZ5BNK8qYoONGg9zgCT6iq411YKuhXHr15B5SU3dH5UW2Ss8LGTlmZCrNAJzWdxHjeUoRytMmAfyPq8GRJ8Et5xYzn0AY/qjTgCOs7k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=JDCZf885; 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="JDCZf885" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7FA3BC4CED1; Wed, 5 Mar 2025 18:01:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741197698; bh=SWdDIKYmJmALrMntqQK2pHTGyj8Mx6j4SF5lEFDjZtA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JDCZf885E33hqnrq4hOqgURnChDiXuTseKh4J/KM+hwDeoDd60hFusuhtG2HmmA+q AAFaI2UnBTguNB5YcmsrvfSqQno5P6lor3ACO+Ww8GLrGbdRxMhIJ/duaZf3xVshZu qSez6yAuP9UXQ4w4hua3sZjZju0+XTsI+mlhx+8o= 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 6.6 068/142] drm/amd/display: Disable PSR-SU on eDP panels Date: Wed, 5 Mar 2025 18:48:07 +0100 Message-ID: <20250305174503.068281882@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250305174500.327985489@linuxfoundation.org> References: <20250305174500.327985489@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 6.6-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; } /*