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drm/radeon/kms: Add support for external encoders on fusion APUs
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Alex Deucher authored and Dave Airlie committed Nov 22, 2010
1 parent 4e8c65a commit bf982eb
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Showing 2 changed files with 54 additions and 4 deletions.
4 changes: 3 additions & 1 deletion drivers/gpu/drm/radeon/radeon_display.c
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Original file line number Diff line number Diff line change
Expand Up @@ -225,7 +225,7 @@ static void radeon_crtc_init(struct drm_device *dev, int index)
radeon_legacy_init_crtc(dev, radeon_crtc);
}

static const char *encoder_names[34] = {
static const char *encoder_names[36] = {
"NONE",
"INTERNAL_LVDS",
"INTERNAL_TMDS1",
Expand Down Expand Up @@ -260,6 +260,8 @@ static const char *encoder_names[34] = {
"INTERNAL_KLDSCP_LVTMA",
"INTERNAL_UNIPHY1",
"INTERNAL_UNIPHY2",
"NUTMEG",
"TRAVIS",
};

static const char *connector_names[15] = {
Expand Down
54 changes: 51 additions & 3 deletions drivers/gpu/drm/radeon/radeon_encoders.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1056,6 +1056,7 @@ atombios_set_edp_panel_power(struct drm_connector *connector, int action)

union external_encoder_control {
EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION v1;
EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION_V3 v3;
};

static void
Expand All @@ -1066,13 +1067,15 @@ atombios_external_encoder_setup(struct drm_encoder *encoder,
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder *ext_radeon_encoder = to_radeon_encoder(ext_encoder);
union external_encoder_control args;
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
int index = GetIndexIntoMasterTable(COMMAND, ExternalEncoderControl);
u8 frev, crev;
int dp_clock = 0;
int dp_lane_count = 0;
int connector_object_id = 0;
u32 ext_enum = (ext_radeon_encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;

if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
Expand Down Expand Up @@ -1111,6 +1114,37 @@ atombios_external_encoder_setup(struct drm_encoder *encoder,
else
args.v1.sDigEncoder.ucLaneNum = 4;
break;
case 3:
args.v3.sExtEncoder.ucAction = action;
if (action == EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT)
args.v3.sExtEncoder.usConnectorId = connector_object_id;
else
args.v3.sExtEncoder.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
args.v3.sExtEncoder.ucEncoderMode = atombios_get_encoder_mode(encoder);

if (args.v3.sExtEncoder.ucEncoderMode == ATOM_ENCODER_MODE_DP) {
if (dp_clock == 270000)
args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_DPLINKRATE_2_70GHZ;
else if (dp_clock == 540000)
args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_DPLINKRATE_5_40GHZ;
args.v3.sExtEncoder.ucLaneNum = dp_lane_count;
} else if (radeon_encoder->pixel_clock > 165000)
args.v3.sExtEncoder.ucLaneNum = 8;
else
args.v3.sExtEncoder.ucLaneNum = 4;
switch (ext_enum) {
case GRAPH_OBJECT_ENUM_ID1:
args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER1;
break;
case GRAPH_OBJECT_ENUM_ID2:
args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER2;
break;
case GRAPH_OBJECT_ENUM_ID3:
args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER3;
break;
}
args.v3.sExtEncoder.ucBitPerColor = PANEL_8BIT_PER_COLOR;
break;
default:
DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
return;
Expand Down Expand Up @@ -1301,12 +1335,18 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
switch (mode) {
case DRM_MODE_DPMS_ON:
default:
action = ATOM_ENABLE;
if (ASIC_IS_DCE41(rdev) && (rdev->flags & RADEON_IS_IGP))
action = EXTERNAL_ENCODER_ACTION_V3_ENABLE_OUTPUT;
else
action = ATOM_ENABLE;
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
action = ATOM_DISABLE;
if (ASIC_IS_DCE41(rdev) && (rdev->flags & RADEON_IS_IGP))
action = EXTERNAL_ENCODER_ACTION_V3_DISABLE_OUTPUT;
else
action = ATOM_DISABLE;
break;
}
atombios_external_encoder_setup(encoder, ext_encoder, action);
Expand Down Expand Up @@ -1627,7 +1667,13 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
}

if (ext_encoder) {
atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);
if (ASIC_IS_DCE41(rdev) && (rdev->flags & RADEON_IS_IGP)) {
atombios_external_encoder_setup(encoder, ext_encoder,
EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT);
atombios_external_encoder_setup(encoder, ext_encoder,
EXTERNAL_ENCODER_ACTION_V3_ENCODER_SETUP);
} else
atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);
}

atombios_apply_encoder_quirks(encoder, adjusted_mode);
Expand Down Expand Up @@ -2046,6 +2092,8 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t
case ENCODER_OBJECT_ID_TITFP513:
case ENCODER_OBJECT_ID_VT1623:
case ENCODER_OBJECT_ID_HDMI_SI1930:
case ENCODER_OBJECT_ID_TRAVIS:
case ENCODER_OBJECT_ID_NUTMEG:
/* these are handled by the primary encoders */
radeon_encoder->is_ext_encoder = true;
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
Expand Down

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