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 4245918D65C; Wed, 5 Mar 2025 18:10:03 +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=1741198204; cv=none; b=lDkyZMXGS7eGF2me3t1Xt537C06c31cMs/fN6NIm4UxAssMKpdeeuzD0J/1C1zSneRSnCJxIJwNy6PbI2k++MNuswd4SlWaoyiXjS8yOAMap5EoXhxlt0dLEUIWmGE2N5DmWBfidl7rGOMstwmU/saQa6InW1f3pBotozkJxJvY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741198204; c=relaxed/simple; bh=UAWBMUlS02RoNT1ir+yGhOVUjntPg16eBzbqaFa+khY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fvQ/woCJcckC9WxRA4lgf+Jz96jau8CHWpxSBwJ56hixuG1gtRtMCoUOM5nti6suvY6pNeDwSkFoAvIUSSTT3853I58O2Nkj3b3PY634TVYxOXwA3YTLpoCKM2EqkvwuYR3GSwd22pVtV6kJVzw3JGA2R3CaRfU1F5XV3kjuz+8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qMXZ6hlt; 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="qMXZ6hlt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47CBBC4CEE0; Wed, 5 Mar 2025 18:10:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741198203; bh=UAWBMUlS02RoNT1ir+yGhOVUjntPg16eBzbqaFa+khY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qMXZ6hltRSXP1JdrDNW9gwosyeDs1vpO5K3yr7BRY2K4a6w7MNXkORKbBKbg4tw4g 8aZFk/yT5BlN7CWeSsFOC0MO1ef8rDQcVw2IUWcWedqrfjcDLskRck7rSx8FJjgf37 03S1bjd6RjWhrvov1o4knv16a6/Cxbqflh98mu3o= 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 6.12 099/150] drm/amd/display: Disable PSR-SU on eDP panels Date: Wed, 5 Mar 2025 18:48:48 +0100 Message-ID: <20250305174507.787545088@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250305174503.801402104@linuxfoundation.org> References: <20250305174503.801402104@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 6.12-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 @@ -54,7 +54,8 @@ static bool link_supports_psrsu(struct d if (amdgpu_dc_debug_mask & DC_DISABLE_PSR_SU) return false; - return dc_dmub_check_min_version(dc->ctx->dmub_srv->dmub); + /* Temporarily disable PSR-SU to avoid glitches */ + return false; } /*