summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/radeon_encoders.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_encoders.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_encoders.c252
1 files changed, 207 insertions, 45 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index b4274883227..1b557554696 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -229,6 +229,22 @@ radeon_get_connector_for_encoder(struct drm_encoder *encoder)
return NULL;
}
+static struct drm_connector *
+radeon_get_connector_for_encoder_init(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ radeon_connector = to_radeon_connector(connector);
+ if (radeon_encoder->devices & radeon_connector->devices)
+ return connector;
+ }
+ return NULL;
+}
+
struct drm_encoder *radeon_atom_get_external_encoder(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
@@ -250,6 +266,25 @@ struct drm_encoder *radeon_atom_get_external_encoder(struct drm_encoder *encoder
return NULL;
}
+bool radeon_encoder_is_dp_bridge(struct drm_encoder *encoder)
+{
+ struct drm_encoder *other_encoder = radeon_atom_get_external_encoder(encoder);
+
+ if (other_encoder) {
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder);
+
+ switch (radeon_encoder->encoder_id) {
+ case ENCODER_OBJECT_ID_TRAVIS:
+ case ENCODER_OBJECT_ID_NUTMEG:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ return false;
+}
+
void radeon_panel_mode_fixup(struct drm_encoder *encoder,
struct drm_display_mode *adjusted_mode)
{
@@ -621,6 +656,10 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
struct radeon_connector *radeon_connector;
struct radeon_connector_atom_dig *dig_connector;
+ /* dp bridges are always DP */
+ if (radeon_encoder_is_dp_bridge(encoder))
+ return ATOM_ENCODER_MODE_DP;
+
connector = radeon_get_connector_for_encoder(encoder);
if (!connector) {
switch (radeon_encoder->encoder_id) {
@@ -668,7 +707,6 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
return ATOM_ENCODER_MODE_LVDS;
break;
case DRM_MODE_CONNECTOR_DisplayPort:
- case DRM_MODE_CONNECTOR_eDP:
dig_connector = radeon_connector->con_priv;
if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
(dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
@@ -682,6 +720,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
} else
return ATOM_ENCODER_MODE_DVI;
break;
+ case DRM_MODE_CONNECTOR_eDP:
+ return ATOM_ENCODER_MODE_DP;
case DRM_MODE_CONNECTOR_DVIA:
case DRM_MODE_CONNECTOR_VGA:
return ATOM_ENCODER_MODE_CRT;
@@ -747,7 +787,7 @@ union dig_encoder_control {
};
void
-atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
+atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
@@ -760,6 +800,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
int dp_clock = 0;
int dp_lane_count = 0;
int hpd_id = RADEON_HPD_NONE;
+ int bpc = 8;
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
@@ -769,6 +810,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
dp_clock = dig_connector->dp_clock;
dp_lane_count = dig_connector->dp_lane_count;
hpd_id = radeon_connector->hpd.hpd;
+ bpc = connector->display_info.bpc;
}
/* no dig encoder assigned */
@@ -791,7 +833,10 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
args.v1.ucAction = action;
args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
- args.v1.ucEncoderMode = atombios_get_encoder_mode(encoder);
+ if (action == ATOM_ENCODER_CMD_SETUP_PANEL_MODE)
+ args.v3.ucPanelMode = panel_mode;
+ else
+ args.v1.ucEncoderMode = atombios_get_encoder_mode(encoder);
if ((args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP) ||
(args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP_MST))
@@ -810,7 +855,27 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_5_40GHZ;
}
args.v4.acConfig.ucDigSel = dig->dig_encoder;
- args.v4.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+ switch (bpc) {
+ case 0:
+ args.v4.ucBitPerColor = PANEL_BPC_UNDEFINE;
+ break;
+ case 6:
+ args.v4.ucBitPerColor = PANEL_6BIT_PER_COLOR;
+ break;
+ case 8:
+ default:
+ args.v4.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+ break;
+ case 10:
+ args.v4.ucBitPerColor = PANEL_10BIT_PER_COLOR;
+ break;
+ case 12:
+ args.v4.ucBitPerColor = PANEL_12BIT_PER_COLOR;
+ break;
+ case 16:
+ args.v4.ucBitPerColor = PANEL_16BIT_PER_COLOR;
+ break;
+ }
if (hpd_id == RADEON_HPD_NONE)
args.v4.ucHPD_ID = 0;
else
@@ -819,7 +884,27 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
if ((args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP) && (dp_clock == 270000))
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V3_DPLINKRATE_2_70GHZ;
args.v3.acConfig.ucDigSel = dig->dig_encoder;
- args.v3.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+ switch (bpc) {
+ case 0:
+ args.v3.ucBitPerColor = PANEL_BPC_UNDEFINE;
+ break;
+ case 6:
+ args.v3.ucBitPerColor = PANEL_6BIT_PER_COLOR;
+ break;
+ case 8:
+ default:
+ args.v3.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+ break;
+ case 10:
+ args.v3.ucBitPerColor = PANEL_10BIT_PER_COLOR;
+ break;
+ case 12:
+ args.v3.ucBitPerColor = PANEL_12BIT_PER_COLOR;
+ break;
+ case 16:
+ args.v3.ucBitPerColor = PANEL_16BIT_PER_COLOR;
+ break;
+ }
} else {
if ((args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP) && (dp_clock == 270000))
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
@@ -859,7 +944,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
- struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
+ struct drm_connector *connector;
union dig_transmitter_control args;
int index = 0;
uint8_t frev, crev;
@@ -870,6 +955,11 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
int connector_object_id = 0;
int igp_lane_info = 0;
+ if (action == ATOM_TRANSMITTER_ACTION_INIT)
+ connector = radeon_get_connector_for_encoder_init(encoder);
+ else
+ connector = radeon_get_connector_for_encoder(encoder);
+
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector =
@@ -931,10 +1021,10 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
else
args.v3.ucLaneNum = 4;
- if (dig->linkb) {
+ if (dig->linkb)
args.v3.acConfig.ucLinkSel = 1;
+ if (dig->dig_encoder & 1)
args.v3.acConfig.ucEncoderSel = 1;
- }
/* Select the PLL for the PHY
* DP PHY should be clocked from external src if there is
@@ -946,11 +1036,16 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
}
if (ASIC_IS_DCE5(rdev)) {
- if (is_dp && rdev->clock.dp_extclk)
- args.v4.acConfig.ucRefClkSource = 3; /* external src */
- else
+ /* On DCE5 DCPLL usually generates the DP ref clock */
+ if (is_dp) {
+ if (rdev->clock.dp_extclk)
+ args.v4.acConfig.ucRefClkSource = ENCODER_REFCLK_SRC_EXTCLK;
+ else
+ args.v4.acConfig.ucRefClkSource = ENCODER_REFCLK_SRC_DCPLL;
+ } else
args.v4.acConfig.ucRefClkSource = pll_id;
} else {
+ /* On DCE4, if there is an external clock, it generates the DP ref clock */
if (is_dp && rdev->clock.dp_extclk)
args.v3.acConfig.ucRefClkSource = 2; /* external src */
else
@@ -1047,7 +1142,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
-void
+bool
atombios_set_edp_panel_power(struct drm_connector *connector, int action)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
@@ -1058,23 +1153,37 @@ atombios_set_edp_panel_power(struct drm_connector *connector, int action)
uint8_t frev, crev;
if (connector->connector_type != DRM_MODE_CONNECTOR_eDP)
- return;
+ goto done;
if (!ASIC_IS_DCE4(rdev))
- return;
+ goto done;
if ((action != ATOM_TRANSMITTER_ACTION_POWER_ON) &&
(action != ATOM_TRANSMITTER_ACTION_POWER_OFF))
- return;
+ goto done;
if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
- return;
+ goto done;
memset(&args, 0, sizeof(args));
args.v1.ucAction = action;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+
+ /* wait for the panel to power up */
+ if (action == ATOM_TRANSMITTER_ACTION_POWER_ON) {
+ int i;
+
+ for (i = 0; i < 300; i++) {
+ if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
+ return true;
+ mdelay(1);
+ }
+ return false;
+ }
+done:
+ return true;
}
union external_encoder_control {
@@ -1092,13 +1201,19 @@ atombios_external_encoder_setup(struct drm_encoder *encoder,
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);
+ struct drm_connector *connector;
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;
+ int bpc = 8;
+
+ if (action == EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT)
+ connector = radeon_get_connector_for_encoder_init(encoder);
+ else
+ connector = radeon_get_connector_for_encoder(encoder);
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
@@ -1109,6 +1224,7 @@ atombios_external_encoder_setup(struct drm_encoder *encoder,
dp_lane_count = dig_connector->dp_lane_count;
connector_object_id =
(radeon_connector->connector_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
+ bpc = connector->display_info.bpc;
}
memset(&args, 0, sizeof(args));
@@ -1166,7 +1282,27 @@ atombios_external_encoder_setup(struct drm_encoder *encoder,
args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER3;
break;
}
- args.v3.sExtEncoder.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+ switch (bpc) {
+ case 0:
+ args.v3.sExtEncoder.ucBitPerColor = PANEL_BPC_UNDEFINE;
+ break;
+ case 6:
+ args.v3.sExtEncoder.ucBitPerColor = PANEL_6BIT_PER_COLOR;
+ break;
+ case 8:
+ default:
+ args.v3.sExtEncoder.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+ break;
+ case 10:
+ args.v3.sExtEncoder.ucBitPerColor = PANEL_10BIT_PER_COLOR;
+ break;
+ case 12:
+ args.v3.sExtEncoder.ucBitPerColor = PANEL_12BIT_PER_COLOR;
+ break;
+ case 16:
+ args.v3.sExtEncoder.ucBitPerColor = PANEL_16BIT_PER_COLOR;
+ break;
+ }
break;
default:
DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
@@ -1307,9 +1443,11 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
ATOM_TRANSMITTER_ACTION_POWER_ON);
radeon_dig_connector->edp_on = true;
}
- dp_link_train(encoder, connector);
if (ASIC_IS_DCE4(rdev))
- atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON);
+ atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
+ radeon_dp_link_train(encoder, connector);
+ if (ASIC_IS_DCE4(rdev))
+ atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0);
}
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
@@ -1322,7 +1460,7 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
if (ASIC_IS_DCE4(rdev))
- atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF);
+ atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
if (connector &&
(connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
@@ -1601,12 +1739,9 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
/* DCE4/5 */
if (ASIC_IS_DCE4(rdev)) {
dig = radeon_encoder->enc_priv;
- if (ASIC_IS_DCE41(rdev)) {
- if (dig->linkb)
- return 1;
- else
- return 0;
- } else {
+ if (ASIC_IS_DCE41(rdev))
+ return radeon_crtc->crtc_id;
+ else {
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
if (dig->linkb)
@@ -1662,6 +1797,34 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
return 1;
}
+/* This only needs to be called once at startup */
+void
+radeon_atom_encoder_init(struct radeon_device *rdev)
+{
+ struct drm_device *dev = rdev->ddev;
+ struct drm_encoder *encoder;
+
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct drm_encoder *ext_encoder = radeon_atom_get_external_encoder(encoder);
+
+ switch (radeon_encoder->encoder_id) {
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+ case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+ break;
+ default:
+ break;
+ }
+
+ if (ext_encoder && ASIC_IS_DCE41(rdev))
+ atombios_external_encoder_setup(encoder, ext_encoder,
+ EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT);
+ }
+}
+
static void
radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
@@ -1696,19 +1859,17 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
/* disable the transmitter */
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
/* setup and enable the encoder */
- atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP);
+ atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
- /* init and enable the transmitter */
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+ /* enable the transmitter */
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
} else {
/* disable the encoder and transmitter */
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
- atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
+ atombios_dig_encoder_setup(encoder, ATOM_DISABLE, 0);
/* setup and enable the encoder and transmitter */
- atombios_dig_encoder_setup(encoder, ATOM_ENABLE);
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+ atombios_dig_encoder_setup(encoder, ATOM_ENABLE, 0);
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
}
@@ -1733,12 +1894,10 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
}
if (ext_encoder) {
- if (ASIC_IS_DCE41(rdev)) {
- atombios_external_encoder_setup(encoder, ext_encoder,
- EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT);
+ if (ASIC_IS_DCE41(rdev))
atombios_external_encoder_setup(encoder, ext_encoder,
EXTERNAL_ENCODER_ACTION_V3_ENCODER_SETUP);
- } else
+ else
atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);
}
@@ -1845,8 +2004,9 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
- if (radeon_encoder->active_device &
- (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) {
+ if ((radeon_encoder->active_device &
+ (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
+ radeon_encoder_is_dp_bridge(encoder)) {
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
if (dig)
dig->dig_encoder = radeon_atom_pick_dig_encoder(encoder);
@@ -1855,11 +2015,17 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
radeon_atom_output_lock(encoder, true);
radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
- /* select the clock/data port if it uses a router */
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+
+ /* select the clock/data port if it uses a router */
if (radeon_connector->router.cd_valid)
radeon_router_select_cd_port(radeon_connector);
+
+ /* turn eDP panel on for mode set */
+ if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
+ atombios_set_edp_panel_power(connector,
+ ATOM_TRANSMITTER_ACTION_POWER_ON);
}
/* this is needed for the pll/ss setup to work correctly in some cases */
@@ -1914,7 +2080,7 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder)
else {
/* disable the encoder and transmitter */
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
- atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
+ atombios_dig_encoder_setup(encoder, ATOM_DISABLE, 0);
}
break;
case ENCODER_OBJECT_ID_INTERNAL_DDI:
@@ -2116,8 +2282,6 @@ radeon_add_atom_encoder(struct drm_device *dev,
} else {
drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_TMDS);
radeon_encoder->enc_priv = radeon_atombios_set_dig_info(radeon_encoder);
- if (ASIC_IS_AVIVO(rdev))
- radeon_encoder->underscan_type = UNDERSCAN_AUTO;
}
drm_encoder_helper_add(encoder, &radeon_atom_dig_helper_funcs);
break;
@@ -2150,8 +2314,6 @@ radeon_add_atom_encoder(struct drm_device *dev,
} else {
drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_TMDS);
radeon_encoder->enc_priv = radeon_atombios_set_dig_info(radeon_encoder);
- if (ASIC_IS_AVIVO(rdev))
- radeon_encoder->underscan_type = UNDERSCAN_AUTO;
}
drm_encoder_helper_add(encoder, &radeon_atom_dig_helper_funcs);
break;