From: Alex Deucher Date: Fri, 27 Apr 2012 21:18:59 +0000 (-0400) Subject: drm/radeon/kms: need to set up ss on DP bridges as well X-Git-Tag: v3.3.5~56 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18f9f9c30e8094bcbf67cc25662d4d458997366b;p=thirdparty%2Fkernel%2Fstable.git drm/radeon/kms: need to set up ss on DP bridges as well commit 700698e7c303f5095107c62a81872c2c3dad1702 upstream. Makes Nutmeg DP to VGA bridges work for me. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=42490 Noticed by Jerome Glisse (after weeks of debugging). Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 24ed30649be96..2dab552d4c891 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -912,8 +912,8 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode break; } - if (radeon_encoder->active_device & - (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) { + if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || + (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) { struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);