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 27A581B96D; Thu, 18 Jan 2024 10:54:45 +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=1705575285; cv=none; b=kIKBKQndnePmFLD9SdWWs1kgHwcNOi2TKhuSDwfqpqeYdw2RN/zxUcDqBqg/Qel4610isK+dWpdM4mvrShDneIeSlZc3D9hqGJbwSoavPZEGkIU1J9w1RLvgSOjurc1NcMUwMUdZseIBZyBtHa0mmwdDSp5H21E8eWD+QIwqr1U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705575285; c=relaxed/simple; bh=A3cfx0pnB4RnY+pkmSHSWeWk2HezMRniCcUhtpqdOFI=; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID: X-Mailer:In-Reply-To:References:User-Agent:X-stable: X-Patchwork-Hint:MIME-Version:Content-Transfer-Encoding; b=aN1G6rp7gWGpUDbFuDlUvgagWhHm1q1H0f/vrT+pj2WXdk1RbEAqqhvXGER3DMa3A46qexkOi92Z1EqCAUuA7B/BwDSHXoQvlpHcq5X6ukXGqfns/VvPm0Qjga61nCdCcq/aygzjMidW5skYre9Yh2xU2P+UCNY6UxRYPcg+mKU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=aG91Rawf; 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="aG91Rawf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D8A1C433F1; Thu, 18 Jan 2024 10:54:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705575285; bh=A3cfx0pnB4RnY+pkmSHSWeWk2HezMRniCcUhtpqdOFI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aG91Rawfbsfhek4BFmV+EETvFR7SrT2SP5iLCfpO7gSaQRVQZA+XKA9v1TlCqSrPZ k14S6vArmNjinAk3j7UPDDSGa5x0QJL7b0PlzP+eIHFmBrRdLGL+EtpVkSF1tu97tb s6cWU9muYrcqR/8JUn+afOV11jcy+SjD1focvq6U= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Daniel Wheeler , Sun peng Li , Rodrigo Siqueira , Ivan Lipski , Alex Deucher , Sasha Levin Subject: [PATCH 6.6 060/150] drm/amd/display: Add monitor patch for specific eDP Date: Thu, 18 Jan 2024 11:48:02 +0100 Message-ID: <20240118104322.764006328@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240118104320.029537060@linuxfoundation.org> References: <20240118104320.029537060@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev 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: Ivan Lipski [ Upstream commit 3d71a8726e05a35beb9de394e86ce896d69e563f ] [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 Signed-off-by: Sasha Levin --- 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/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index 4b230933b28e..87a1000b8572 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 @@ -63,6 +63,12 @@ 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_id); edid_caps->panel_patch.disable_fams = 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", panel_id); + edid_caps->panel_patch.remove_sink_ext_caps = true; + break; default: return; } -- 2.43.0