From nobody Sun Feb 8 12:39:07 2026 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 33F5F1422D9; Wed, 27 Mar 2024 12:27:54 +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=1711542475; cv=none; b=vEE11FnntXOtvFO3KkP0ovEz/nxu9+wKkiKCtm3Yu/tb3mM6fXNiFzePiR0BIi1qPXEL+JD73h7XE4Vjv9BO4Ss/GYrgRIOu3ihNOOGmQs88iuEmho9of2RTKZFCr/QOigzeYCXffmdsv1DzHPjCFAIRooIHna9FKBJxzFBRJFo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711542475; c=relaxed/simple; bh=rTBPWU1aiDp3tF/LT+tV3R1tLt7v/O3Bw1EJvWaFZWc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=OQRup9ppZ7hlkplOeVQUdPLw7oYuAQCo2tsSveYhqdrGCF3qc4PB6d3yXyXsq1KtFqzmfPDVPS6kndsXg0DMDL82O0dH9nA5wLD6aT5iSBSkx8mQ56YC3loFu/SspXYjhBA2JYRKQy+SBXW8ePvQcLy4eWf5+jgAA4mdcxgV4/I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OpoesEO2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OpoesEO2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AF4B2C43390; Wed, 27 Mar 2024 12:27:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711542474; bh=rTBPWU1aiDp3tF/LT+tV3R1tLt7v/O3Bw1EJvWaFZWc=; h=From:To:Cc:Subject:Date:From; b=OpoesEO2e9TUeKTAPeDBfVh/qD+pMPBWuofvBN5Q93fNfF+AqGhpRxMw7jNtHoa2V p0OVS78ZjuKC6v6lKcKNnR8iEyeUY3vdrun0ZHUj4Zotl+Rd3OzQ0prHN6O+hHDLnj QRNCPHY/LuRY8WgjxocIYx5OE2KhZz/ii1eickcip7U6oKanznW7NiTw6XLjAcNXgR YVsf/+Tqqlhn3J5WmkS31aDl3CBgUHOkEd+VW6eQB9/67r3jR0gX9JqaKXyMzf0O58 1Ig9sjQ57Xlsv8R8lokVFyEmyl+Q0pKU73cONNfoefq66ox8zEUvmvXuvsrHx0fQgo olVJsNixcQLLw== From: Sasha Levin To: stable@vger.kernel.org, ivlipski@amd.com Cc: Daniel Wheeler , Sun peng Li , Rodrigo Siqueira , Alex Deucher , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: FAILED: Patch "drm/amd/display: Add monitor patch for specific eDP" failed to apply to 4.19-stable tree Date: Wed, 27 Mar 2024 08:27:52 -0400 Message-ID: <20240327122752.2842291-1-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha Acked-by: Rodrigo Siqueira Reviewed-by: Sun peng Li Tested-by: Daniel Wheeler ------------------ original commit in Linus's tree ------------------ From 21afc872fbc29cd68cfde816d1df4d55848c3f61 Mon Sep 17 00:00:00 2001 From: Ivan Lipski Date: Fri, 1 Dec 2023 06:25:16 -0700 Subject: [PATCH] drm/amd/display: Add monitor patch for specific eDP [WHY] Some eDP panels's ext caps don't write initial value cause the value of dpcd_addr(0x317) is random. It means that sometimes the eDP will clarify it is OLED, miniLED...etc cause the backlight control interface is incorrect. [HOW] Add a new panel patch to remove sink ext caps(HDR,OLED...etc) Tested-by: Daniel Wheeler Reviewed-by: Sun peng Li Acked-by: Rodrigo Siqueira Signed-off-by: Ivan Lipski Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/dr= ivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index b4696ec621c45..eaf8d9f482446 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -64,6 +64,12 @@ static void apply_edid_quirks(struct edid *edid, struct = dc_edid_caps *edid_caps) DRM_DEBUG_DRIVER("Disabling FAMS on monitor with panel id %X\n", panel_i= d); edid_caps->panel_patch.disable_fams =3D true; break; + /* Workaround for some monitors that do not clear DPCD 0x317 if FreeSync = is unsupported */ + case drm_edid_encode_panel_id('A', 'U', 'O', 0xA7AB): + case drm_edid_encode_panel_id('A', 'U', 'O', 0xE69B): + DRM_DEBUG_DRIVER("Clearing DPCD 0x317 on monitor with panel id %X\n", pa= nel_id); + edid_caps->panel_patch.remove_sink_ext_caps =3D true; + break; default: return; } --=20 2.43.0