From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alex Deucher , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Subject: [PATCH 3.10 167/173] drm/radeon: re-enable sw ACR support on pre-DCE4 Date: Mon, 2 Dec 2013 11:12:30 -0800 Message-Id: <20131202191202.236756330@linuxfoundation.org> In-Reply-To: <20131202191142.873808297@linuxfoundation.org> References: <20131202191142.873808297@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher commit b852c985010a77c850b7548d64bbb964ca462b02 upstream. HW ACR support may have issues on some older chips, so use SW ACR for now until we've tested further. Signed-off-by: Alex Deucher CC: Rafał Miłecki Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/r600_hdmi.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -320,6 +320,7 @@ void r600_hdmi_setmode(struct drm_encode } WREG32(HDMI0_ACR_PACKET_CONTROL + offset, + HDMI0_ACR_SOURCE | /* select SW CTS value - XXX verify that hw CTS works on all families */ HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ WREG32(HDMI0_VBI_PACKET_CONTROL + offset,