From: Alex Deucher Date: Thu, 10 Oct 2013 15:47:01 +0000 (-0400) Subject: drm/radeon: re-enable sw ACR support on pre-DCE4 X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=d2e99b2fc1056d2c5f4bf7fd691d37ba216c1455;p=linux-edison.git drm/radeon: re-enable sw ACR support on pre-DCE4 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 --- diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index 7b3e1f1e8fb..635e8f2e84f 100644 --- 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_encoder *encoder, struct drm_display_mode *mod } 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,