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authorAlex Deucher <alexdeucher@gmail.com>2011-05-20 04:34:22 -0400
committerDave Airlie <airlied@redhat.com>2011-05-20 20:02:29 +1000
commiteac4dff6d3edc0aea1941db16c03ae19aa628a3c (patch)
tree64298dcef86d900624abb1490e79cdf43bd94036 /drivers/gpu/drm/radeon/atombios_crtc.c
parent834b2904bbfde3d85b5e984688777d56e9c7bf80 (diff)
downloadop-kernel-dev-eac4dff6d3edc0aea1941db16c03ae19aa628a3c.zip
op-kernel-dev-eac4dff6d3edc0aea1941db16c03ae19aa628a3c.tar.gz
drm/radeon/kms: handle DP bridges
Fusion hardware often has DP to VGA/LVDS/TMDS bridges to handle non-DP encoders. Internally we treat them mostly like DP. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 9770aff..dab06fb 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -557,7 +557,8 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
if (connector)
bpc = connector->display_info.bpc;
encoder_mode = atombios_get_encoder_mode(encoder);
- if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
+ if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
+ radeon_encoder_is_dp_bridge(encoder)) {
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector =
@@ -637,7 +638,8 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
if (ss_enabled && ss->percentage)
args.v3.sInput.ucDispPllConfig |=
DISPPLL_CONFIG_SS_ENABLE;
- if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
+ if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT) ||
+ radeon_encoder_is_dp_bridge(encoder)) {
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
if (encoder_mode == ATOM_ENCODER_MODE_DP) {
args.v3.sInput.ucDispPllConfig |=
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