]> bbs.cooldavid.org Git - net-next-2.6.git/commitdiff
drm/radeon/kms: rework encoder handling
authorAlex Deucher <alexdeucher@gmail.com>
Thu, 12 Aug 2010 22:58:47 +0000 (18:58 -0400)
committerDave Airlie <airlied@redhat.com>
Thu, 19 Aug 2010 22:44:05 +0000 (08:44 +1000)
On most newer asics, digital encoders have two links each
and they can be used independantly.  As such, treat them as
separate encoders otherwise the individual links will not
get programmed properly at modeset time.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/atombios_dp.c
drivers/gpu/drm/radeon/radeon_atombios.c
drivers/gpu/drm/radeon/radeon_combios.c
drivers/gpu/drm/radeon/radeon_connectors.c
drivers/gpu/drm/radeon/radeon_encoders.c
drivers/gpu/drm/radeon/radeon_legacy_encoders.c
drivers/gpu/drm/radeon/radeon_mode.h

index 36e0d4b545e60b674380746496525fed8b88ad39..4e7778d44b8d36fa4491c97de47aa5f4d400919f 100644 (file)
@@ -610,7 +610,7 @@ void dp_link_train(struct drm_encoder *encoder,
                enc_id |= ATOM_DP_CONFIG_DIG2_ENCODER;
        else
                enc_id |= ATOM_DP_CONFIG_DIG1_ENCODER;
-       if (dig_connector->linkb)
+       if (dig->linkb)
                enc_id |= ATOM_DP_CONFIG_LINK_B;
        else
                enc_id |= ATOM_DP_CONFIG_LINK_A;
index 4a4225e601fb8b7abacf932ba0332b79c0b3bb3a..b015915441ba094111add8383435e9558914103c 100644 (file)
 
 /* from radeon_encoder.c */
 extern uint32_t
-radeon_get_encoder_id(struct drm_device *dev, uint32_t supported_device,
-                     uint8_t dac);
+radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
+                       uint8_t dac);
 extern void radeon_link_encoder_connector(struct drm_device *dev);
 extern void
-radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id,
+radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum,
                        uint32_t supported_device);
 
 /* from radeon_connector.c */
@@ -46,14 +46,14 @@ radeon_add_atom_connector(struct drm_device *dev,
                          uint32_t supported_device,
                          int connector_type,
                          struct radeon_i2c_bus_rec *i2c_bus,
-                         bool linkb, uint32_t igp_lane_info,
+                         uint32_t igp_lane_info,
                          uint16_t connector_object_id,
                          struct radeon_hpd *hpd,
                          struct radeon_router *router);
 
 /* from radeon_legacy_encoder.c */
 extern void
-radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id,
+radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
                          uint32_t supported_device);
 
 union atom_supported_devices {
@@ -479,7 +479,6 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
        int i, j, k, path_size, device_support;
        int connector_type;
        u16 igp_lane_info, conn_id, connector_object_id;
-       bool linkb;
        struct radeon_i2c_bus_rec ddc_bus;
        struct radeon_router router;
        struct radeon_gpio_rec gpio;
@@ -512,7 +511,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                addr += path_size;
                path = (ATOM_DISPLAY_OBJECT_PATH *) addr;
                path_size += le16_to_cpu(path->usSize);
-               linkb = false;
+
                if (device_support & le16_to_cpu(path->usDeviceTag)) {
                        uint8_t con_obj_id, con_obj_num, con_obj_type;
 
@@ -603,13 +602,10 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                                     OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
 
                                if (grph_obj_type == GRAPH_OBJECT_TYPE_ENCODER) {
-                                       if (grph_obj_num == 2)
-                                               linkb = true;
-                                       else
-                                               linkb = false;
+                                       u16 encoder_obj = le16_to_cpu(path->usGraphicObjIds[j]);
 
                                        radeon_add_atom_encoder(dev,
-                                                               grph_obj_id,
+                                                               encoder_obj,
                                                                le16_to_cpu
                                                                (path->
                                                                 usDeviceTag));
@@ -746,7 +742,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                                                  le16_to_cpu(path->
                                                              usDeviceTag),
                                                  connector_type, &ddc_bus,
-                                                 linkb, igp_lane_info,
+                                                 igp_lane_info,
                                                  connector_object_id,
                                                  &hpd,
                                                  &router);
@@ -935,13 +931,13 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
 
                if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom)
                        radeon_add_atom_encoder(dev,
-                                               radeon_get_encoder_id(dev,
+                                               radeon_get_encoder_enum(dev,
                                                                      (1 << i),
                                                                      dac),
                                                (1 << i));
                else
                        radeon_add_legacy_encoder(dev,
-                                                 radeon_get_encoder_id(dev,
+                                                 radeon_get_encoder_enum(dev,
                                                                        (1 << i),
                                                                        dac),
                                                  (1 << i));
@@ -998,7 +994,7 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
                                                  bios_connectors[i].
                                                  connector_type,
                                                  &bios_connectors[i].ddc_bus,
-                                                 false, 0,
+                                                 0,
                                                  connector_object_id,
                                                  &bios_connectors[i].hpd,
                                                  &router);
@@ -1307,6 +1303,7 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
        union lvds_info *lvds_info;
        uint8_t frev, crev;
        struct radeon_encoder_atom_dig *lvds = NULL;
+       int encoder_enum = (encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
 
        if (atom_parse_data_header(mode_info->atom_context, index, NULL,
                                   &frev, &crev, &data_offset)) {
@@ -1370,6 +1367,12 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
                }
 
                encoder->native_mode = lvds->native_mode;
+
+               if (encoder_enum == 2)
+                       lvds->linkb = true;
+               else
+                       lvds->linkb = false;
+
        }
        return lvds;
 }
index 885dcfac1838e89367487760aa717d54d7d7f978..bd74e428bd147d0df444cc64858f28acbed0d8ed 100644 (file)
@@ -39,8 +39,8 @@
 
 /* from radeon_encoder.c */
 extern uint32_t
-radeon_get_encoder_id(struct drm_device *dev, uint32_t supported_device,
-                     uint8_t dac);
+radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
+                       uint8_t dac);
 extern void radeon_link_encoder_connector(struct drm_device *dev);
 
 /* from radeon_connector.c */
@@ -55,7 +55,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
 
 /* from radeon_legacy_encoder.c */
 extern void
-radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id,
+radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
                          uint32_t supported_device);
 
 /* old legacy ATI BIOS routines */
@@ -1505,7 +1505,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                        ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
                        hpd.hpd = RADEON_HPD_NONE;
                        radeon_add_legacy_encoder(dev,
-                                                 radeon_get_encoder_id(dev,
+                                                 radeon_get_encoder_enum(dev,
                                                                        ATOM_DEVICE_CRT1_SUPPORT,
                                                                        1),
                                                  ATOM_DEVICE_CRT1_SUPPORT);
@@ -1520,7 +1520,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                        ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
                        hpd.hpd = RADEON_HPD_NONE;
                        radeon_add_legacy_encoder(dev,
-                                                 radeon_get_encoder_id(dev,
+                                                 radeon_get_encoder_enum(dev,
                                                                        ATOM_DEVICE_LCD1_SUPPORT,
                                                                        0),
                                                  ATOM_DEVICE_LCD1_SUPPORT);
@@ -1535,7 +1535,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                        ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
                        hpd.hpd = RADEON_HPD_NONE;
                        radeon_add_legacy_encoder(dev,
-                                                 radeon_get_encoder_id(dev,
+                                                 radeon_get_encoder_enum(dev,
                                                                        ATOM_DEVICE_CRT1_SUPPORT,
                                                                        1),
                                                  ATOM_DEVICE_CRT1_SUPPORT);
@@ -1550,12 +1550,12 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                        ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
                        hpd.hpd = RADEON_HPD_1;
                        radeon_add_legacy_encoder(dev,
-                                                 radeon_get_encoder_id(dev,
+                                                 radeon_get_encoder_enum(dev,
                                                                        ATOM_DEVICE_DFP1_SUPPORT,
                                                                        0),
                                                  ATOM_DEVICE_DFP1_SUPPORT);
                        radeon_add_legacy_encoder(dev,
-                                                 radeon_get_encoder_id(dev,
+                                                 radeon_get_encoder_enum(dev,
                                                                        ATOM_DEVICE_CRT2_SUPPORT,
                                                                        2),
                                                  ATOM_DEVICE_CRT2_SUPPORT);
@@ -1571,7 +1571,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                        ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
                        hpd.hpd = RADEON_HPD_NONE;
                        radeon_add_legacy_encoder(dev,
-                                                 radeon_get_encoder_id(dev,
+                                                 radeon_get_encoder_enum(dev,
                                                                        ATOM_DEVICE_CRT1_SUPPORT,
                                                                        1),
                                                  ATOM_DEVICE_CRT1_SUPPORT);
@@ -1588,7 +1588,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                        ddc_i2c.valid = false;
                        hpd.hpd = RADEON_HPD_NONE;
                        radeon_add_legacy_encoder(dev,
-                                                 radeon_get_encoder_id(dev,
+                                                 radeon_get_encoder_enum(dev,
                                                                        ATOM_DEVICE_TV1_SUPPORT,
                                                                        2),
                                                  ATOM_DEVICE_TV1_SUPPORT);
@@ -1607,7 +1607,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_LCD1_SUPPORT,
                                                                0),
                                          ATOM_DEVICE_LCD1_SUPPORT);
@@ -1619,7 +1619,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_CRT2_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_CRT2_SUPPORT);
@@ -1631,7 +1631,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c.valid = false;
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_TV1_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_TV1_SUPPORT);
@@ -1648,7 +1648,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_LCD1_SUPPORT,
                                                                0),
                                          ATOM_DEVICE_LCD1_SUPPORT);
@@ -1660,12 +1660,12 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
                hpd.hpd = RADEON_HPD_2; /* ??? */
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_DFP2_SUPPORT,
                                                                0),
                                          ATOM_DEVICE_DFP2_SUPPORT);
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_CRT1_SUPPORT,
                                                                1),
                                          ATOM_DEVICE_CRT1_SUPPORT);
@@ -1680,7 +1680,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c.valid = false;
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_TV1_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_TV1_SUPPORT);
@@ -1697,7 +1697,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_LCD1_SUPPORT,
                                                                0),
                                          ATOM_DEVICE_LCD1_SUPPORT);
@@ -1709,12 +1709,12 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
                hpd.hpd = RADEON_HPD_1; /* ??? */
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_DFP1_SUPPORT,
                                                                0),
                                          ATOM_DEVICE_DFP1_SUPPORT);
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_CRT1_SUPPORT,
                                                                1),
                                          ATOM_DEVICE_CRT1_SUPPORT);
@@ -1728,7 +1728,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c.valid = false;
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_TV1_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_TV1_SUPPORT);
@@ -1745,7 +1745,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_LCD1_SUPPORT,
                                                                0),
                                          ATOM_DEVICE_LCD1_SUPPORT);
@@ -1757,7 +1757,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_CRT1_SUPPORT,
                                                                1),
                                          ATOM_DEVICE_CRT1_SUPPORT);
@@ -1769,7 +1769,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c.valid = false;
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_TV1_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_TV1_SUPPORT);
@@ -1786,12 +1786,12 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
                hpd.hpd = RADEON_HPD_2; /* ??? */
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_DFP2_SUPPORT,
                                                                0),
                                          ATOM_DEVICE_DFP2_SUPPORT);
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_CRT2_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_CRT2_SUPPORT);
@@ -1806,7 +1806,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c.valid = false;
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_TV1_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_TV1_SUPPORT);
@@ -1823,12 +1823,12 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
                hpd.hpd = RADEON_HPD_1; /* ??? */
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_DFP1_SUPPORT,
                                                                0),
                                          ATOM_DEVICE_DFP1_SUPPORT);
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_CRT2_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_CRT2_SUPPORT);
@@ -1842,7 +1842,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c.valid = false;
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_TV1_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_TV1_SUPPORT);
@@ -1859,7 +1859,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
                hpd.hpd = RADEON_HPD_1; /* ??? */
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_DFP1_SUPPORT,
                                                                0),
                                          ATOM_DEVICE_DFP1_SUPPORT);
@@ -1871,7 +1871,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_CRT2_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_CRT2_SUPPORT);
@@ -1883,7 +1883,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c.valid = false;
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_TV1_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_TV1_SUPPORT);
@@ -1900,7 +1900,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_CRT1_SUPPORT,
                                                                1),
                                          ATOM_DEVICE_CRT1_SUPPORT);
@@ -1912,7 +1912,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_CRT2_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_CRT2_SUPPORT);
@@ -1924,7 +1924,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c.valid = false;
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_TV1_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_TV1_SUPPORT);
@@ -1941,7 +1941,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_CRT1_SUPPORT,
                                                                1),
                                          ATOM_DEVICE_CRT1_SUPPORT);
@@ -1952,7 +1952,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
                hpd.hpd = RADEON_HPD_NONE;
                radeon_add_legacy_encoder(dev,
-                                         radeon_get_encoder_id(dev,
+                                         radeon_get_encoder_enum(dev,
                                                                ATOM_DEVICE_CRT2_SUPPORT,
                                                                2),
                                          ATOM_DEVICE_CRT2_SUPPORT);
@@ -2109,7 +2109,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                                else
                                        devices = ATOM_DEVICE_DFP1_SUPPORT;
                                radeon_add_legacy_encoder(dev,
-                                                         radeon_get_encoder_id
+                                                         radeon_get_encoder_enum
                                                          (dev, devices, 0),
                                                          devices);
                                radeon_add_legacy_connector(dev, i, devices,
@@ -2123,7 +2123,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                                if (tmp & 0x1) {
                                        devices = ATOM_DEVICE_CRT2_SUPPORT;
                                        radeon_add_legacy_encoder(dev,
-                                                                 radeon_get_encoder_id
+                                                                 radeon_get_encoder_enum
                                                                  (dev,
                                                                   ATOM_DEVICE_CRT2_SUPPORT,
                                                                   2),
@@ -2131,7 +2131,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                                } else {
                                        devices = ATOM_DEVICE_CRT1_SUPPORT;
                                        radeon_add_legacy_encoder(dev,
-                                                                 radeon_get_encoder_id
+                                                                 radeon_get_encoder_enum
                                                                  (dev,
                                                                   ATOM_DEVICE_CRT1_SUPPORT,
                                                                   1),
@@ -2151,7 +2151,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                                if (tmp & 0x1) {
                                        devices |= ATOM_DEVICE_CRT2_SUPPORT;
                                        radeon_add_legacy_encoder(dev,
-                                                                 radeon_get_encoder_id
+                                                                 radeon_get_encoder_enum
                                                                  (dev,
                                                                   ATOM_DEVICE_CRT2_SUPPORT,
                                                                   2),
@@ -2159,7 +2159,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                                } else {
                                        devices |= ATOM_DEVICE_CRT1_SUPPORT;
                                        radeon_add_legacy_encoder(dev,
-                                                                 radeon_get_encoder_id
+                                                                 radeon_get_encoder_enum
                                                                  (dev,
                                                                   ATOM_DEVICE_CRT1_SUPPORT,
                                                                   1),
@@ -2168,7 +2168,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                                if ((tmp >> 4) & 0x1) {
                                        devices |= ATOM_DEVICE_DFP2_SUPPORT;
                                        radeon_add_legacy_encoder(dev,
-                                                                 radeon_get_encoder_id
+                                                                 radeon_get_encoder_enum
                                                                  (dev,
                                                                   ATOM_DEVICE_DFP2_SUPPORT,
                                                                   0),
@@ -2177,7 +2177,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                                } else {
                                        devices |= ATOM_DEVICE_DFP1_SUPPORT;
                                        radeon_add_legacy_encoder(dev,
-                                                                 radeon_get_encoder_id
+                                                                 radeon_get_encoder_enum
                                                                  (dev,
                                                                   ATOM_DEVICE_DFP1_SUPPORT,
                                                                   0),
@@ -2202,7 +2202,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                                        connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
                                }
                                radeon_add_legacy_encoder(dev,
-                                                         radeon_get_encoder_id
+                                                         radeon_get_encoder_enum
                                                          (dev, devices, 0),
                                                          devices);
                                radeon_add_legacy_connector(dev, i, devices,
@@ -2215,7 +2215,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                        case CONNECTOR_CTV_LEGACY:
                        case CONNECTOR_STV_LEGACY:
                                radeon_add_legacy_encoder(dev,
-                                                         radeon_get_encoder_id
+                                                         radeon_get_encoder_enum
                                                          (dev,
                                                           ATOM_DEVICE_TV1_SUPPORT,
                                                           2),
@@ -2242,12 +2242,12 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                        DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
 
                        radeon_add_legacy_encoder(dev,
-                                                 radeon_get_encoder_id(dev,
+                                                 radeon_get_encoder_enum(dev,
                                                                        ATOM_DEVICE_CRT1_SUPPORT,
                                                                        1),
                                                  ATOM_DEVICE_CRT1_SUPPORT);
                        radeon_add_legacy_encoder(dev,
-                                                 radeon_get_encoder_id(dev,
+                                                 radeon_get_encoder_enum(dev,
                                                                        ATOM_DEVICE_DFP1_SUPPORT,
                                                                        0),
                                                  ATOM_DEVICE_DFP1_SUPPORT);
@@ -2268,7 +2268,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                        DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
                        if (crt_info) {
                                radeon_add_legacy_encoder(dev,
-                                                         radeon_get_encoder_id(dev,
+                                                         radeon_get_encoder_enum(dev,
                                                                                ATOM_DEVICE_CRT1_SUPPORT,
                                                                                1),
                                                          ATOM_DEVICE_CRT1_SUPPORT);
@@ -2297,7 +2297,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                                                     COMBIOS_LCD_DDC_INFO_TABLE);
 
                        radeon_add_legacy_encoder(dev,
-                                                 radeon_get_encoder_id(dev,
+                                                 radeon_get_encoder_enum(dev,
                                                                        ATOM_DEVICE_LCD1_SUPPORT,
                                                                        0),
                                                  ATOM_DEVICE_LCD1_SUPPORT);
@@ -2351,7 +2351,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
                                        hpd.hpd = RADEON_HPD_NONE;
                                        ddc_i2c.valid = false;
                                        radeon_add_legacy_encoder(dev,
-                                                                 radeon_get_encoder_id
+                                                                 radeon_get_encoder_enum
                                                                  (dev,
                                                                   ATOM_DEVICE_TV1_SUPPORT,
                                                                   2),
index 47c4b276d30c5fc4c0cd1fdbb9b7cdd5aa7bd634..20c353c86ce48aae370a041ff28ff4fa32c17454 100644 (file)
@@ -1037,7 +1037,6 @@ radeon_add_atom_connector(struct drm_device *dev,
                          uint32_t supported_device,
                          int connector_type,
                          struct radeon_i2c_bus_rec *i2c_bus,
-                         bool linkb,
                          uint32_t igp_lane_info,
                          uint16_t connector_object_id,
                          struct radeon_hpd *hpd,
@@ -1128,7 +1127,6 @@ radeon_add_atom_connector(struct drm_device *dev,
                radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
                if (!radeon_dig_connector)
                        goto failed;
-               radeon_dig_connector->linkb = linkb;
                radeon_dig_connector->igp_lane_info = igp_lane_info;
                radeon_connector->con_priv = radeon_dig_connector;
                drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
@@ -1158,7 +1156,6 @@ radeon_add_atom_connector(struct drm_device *dev,
                radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
                if (!radeon_dig_connector)
                        goto failed;
-               radeon_dig_connector->linkb = linkb;
                radeon_dig_connector->igp_lane_info = igp_lane_info;
                radeon_connector->con_priv = radeon_dig_connector;
                drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
@@ -1182,7 +1179,6 @@ radeon_add_atom_connector(struct drm_device *dev,
                radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
                if (!radeon_dig_connector)
                        goto failed;
-               radeon_dig_connector->linkb = linkb;
                radeon_dig_connector->igp_lane_info = igp_lane_info;
                radeon_connector->con_priv = radeon_dig_connector;
                drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
@@ -1229,7 +1225,6 @@ radeon_add_atom_connector(struct drm_device *dev,
                radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
                if (!radeon_dig_connector)
                        goto failed;
-               radeon_dig_connector->linkb = linkb;
                radeon_dig_connector->igp_lane_info = igp_lane_info;
                radeon_connector->con_priv = radeon_dig_connector;
                drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
index 263c8098d7dd279447ebba20e408c25f791f0b7d..404320f9c9b048024219100a326a25861061894d 100644 (file)
@@ -81,7 +81,7 @@ void radeon_setup_encoder_clones(struct drm_device *dev)
 }
 
 uint32_t
-radeon_get_encoder_id(struct drm_device *dev, uint32_t supported_device, uint8_t dac)
+radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac)
 {
        struct radeon_device *rdev = dev->dev_private;
        uint32_t ret = 0;
@@ -97,59 +97,59 @@ radeon_get_encoder_id(struct drm_device *dev, uint32_t supported_device, uint8_t
                        if ((rdev->family == CHIP_RS300) ||
                            (rdev->family == CHIP_RS400) ||
                            (rdev->family == CHIP_RS480))
-                               ret = ENCODER_OBJECT_ID_INTERNAL_DAC2;
+                               ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
                        else if (ASIC_IS_AVIVO(rdev))
-                               ret = ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1;
+                               ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1;
                        else
-                               ret = ENCODER_OBJECT_ID_INTERNAL_DAC1;
+                               ret = ENCODER_INTERNAL_DAC1_ENUM_ID1;
                        break;
                case 2: /* dac b */
                        if (ASIC_IS_AVIVO(rdev))
-                               ret = ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2;
+                               ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1;
                        else {
                                /*if (rdev->family == CHIP_R200)
-                                 ret = ENCODER_OBJECT_ID_INTERNAL_DVO1;
+                                 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
                                  else*/
-                               ret = ENCODER_OBJECT_ID_INTERNAL_DAC2;
+                               ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
                        }
                        break;
                case 3: /* external dac */
                        if (ASIC_IS_AVIVO(rdev))
-                               ret = ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1;
+                               ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
                        else
-                               ret = ENCODER_OBJECT_ID_INTERNAL_DVO1;
+                               ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
                        break;
                }
                break;
        case ATOM_DEVICE_LCD1_SUPPORT:
                if (ASIC_IS_AVIVO(rdev))
-                       ret = ENCODER_OBJECT_ID_INTERNAL_LVTM1;
+                       ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
                else
-                       ret = ENCODER_OBJECT_ID_INTERNAL_LVDS;
+                       ret = ENCODER_INTERNAL_LVDS_ENUM_ID1;
                break;
        case ATOM_DEVICE_DFP1_SUPPORT:
                if ((rdev->family == CHIP_RS300) ||
                    (rdev->family == CHIP_RS400) ||
                    (rdev->family == CHIP_RS480))
-                       ret = ENCODER_OBJECT_ID_INTERNAL_DVO1;
+                       ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
                else if (ASIC_IS_AVIVO(rdev))
-                       ret = ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1;
+                       ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1;
                else
-                       ret = ENCODER_OBJECT_ID_INTERNAL_TMDS1;
+                       ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1;
                break;
        case ATOM_DEVICE_LCD2_SUPPORT:
        case ATOM_DEVICE_DFP2_SUPPORT:
                if ((rdev->family == CHIP_RS600) ||
                    (rdev->family == CHIP_RS690) ||
                    (rdev->family == CHIP_RS740))
-                       ret = ENCODER_OBJECT_ID_INTERNAL_DDI;
+                       ret = ENCODER_INTERNAL_DDI_ENUM_ID1;
                else if (ASIC_IS_AVIVO(rdev))
-                       ret = ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1;
+                       ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
                else
-                       ret = ENCODER_OBJECT_ID_INTERNAL_DVO1;
+                       ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
                break;
        case ATOM_DEVICE_DFP3_SUPPORT:
-               ret = ENCODER_OBJECT_ID_INTERNAL_LVTM1;
+               ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
                break;
        }
 
@@ -562,7 +562,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
                                if (dig->lvds_misc & ATOM_PANEL_MISC_888RGB)
                                        args.v1.ucMisc |= (1 << 1);
                        } else {
-                               if (dig_connector->linkb)
+                               if (dig->linkb)
                                        args.v1.ucMisc |= PANEL_ENCODER_MISC_TMDS_LINKB;
                                if (radeon_encoder->pixel_clock > 165000)
                                        args.v1.ucMisc |= PANEL_ENCODER_MISC_DUAL;
@@ -601,7 +601,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
                                                args.v2.ucTemporal |= PANEL_ENCODER_TEMPORAL_LEVEL_4;
                                }
                        } else {
-                               if (dig_connector->linkb)
+                               if (dig->linkb)
                                        args.v2.ucMisc |= PANEL_ENCODER_MISC_TMDS_LINKB;
                                if (radeon_encoder->pixel_clock > 165000)
                                        args.v2.ucMisc |= PANEL_ENCODER_MISC_DUAL;
@@ -781,7 +781,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
                        args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER3;
                        break;
                }
-               if (dig_connector->linkb)
+               if (dig->linkb)
                        args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKB;
                else
                        args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKA;
@@ -864,7 +864,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
                else
                        args.v3.ucLaneNum = 4;
 
-               if (dig_connector->linkb) {
+               if (dig->linkb) {
                        args.v3.acConfig.ucLinkSel = 1;
                        args.v3.acConfig.ucEncoderSel = 1;
                }
@@ -904,7 +904,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
                }
        } else if (ASIC_IS_DCE32(rdev)) {
                args.v2.acConfig.ucEncoderSel = dig->dig_encoder;
-               if (dig_connector->linkb)
+               if (dig->linkb)
                        args.v2.acConfig.ucLinkSel = 1;
 
                switch (radeon_encoder->encoder_id) {
@@ -954,7 +954,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
                        }
                }
 
-               if (dig_connector->linkb)
+               if (dig->linkb)
                        args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LINKB;
                else
                        args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LINKA;
@@ -1290,24 +1290,22 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
        uint32_t dig_enc_in_use = 0;
 
        if (ASIC_IS_DCE4(rdev)) {
-               struct radeon_connector_atom_dig *dig_connector =
-                       radeon_get_atom_connector_priv_from_encoder(encoder);
-
+               dig = radeon_encoder->enc_priv;
                switch (radeon_encoder->encoder_id) {
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
-                       if (dig_connector->linkb)
+                       if (dig->linkb)
                                return 1;
                        else
                                return 0;
                        break;
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
-                       if (dig_connector->linkb)
+                       if (dig->linkb)
                                return 3;
                        else
                                return 2;
                        break;
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
-                       if (dig_connector->linkb)
+                       if (dig->linkb)
                                return 5;
                        else
                                return 4;
@@ -1641,6 +1639,7 @@ radeon_atombios_set_dac_info(struct radeon_encoder *radeon_encoder)
 struct radeon_encoder_atom_dig *
 radeon_atombios_set_dig_info(struct radeon_encoder *radeon_encoder)
 {
+       int encoder_enum = (radeon_encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
        struct radeon_encoder_atom_dig *dig = kzalloc(sizeof(struct radeon_encoder_atom_dig), GFP_KERNEL);
 
        if (!dig)
@@ -1650,11 +1649,16 @@ radeon_atombios_set_dig_info(struct radeon_encoder *radeon_encoder)
        dig->coherent_mode = true;
        dig->dig_encoder = -1;
 
+       if (encoder_enum == 2)
+               dig->linkb = true;
+       else
+               dig->linkb = false;
+
        return dig;
 }
 
 void
-radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t supported_device)
+radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t supported_device)
 {
        struct radeon_device *rdev = dev->dev_private;
        struct drm_encoder *encoder;
@@ -1663,7 +1667,7 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t su
        /* see if we already added it */
        list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
                radeon_encoder = to_radeon_encoder(encoder);
-               if (radeon_encoder->encoder_id == encoder_id) {
+               if (radeon_encoder->encoder_enum == encoder_enum) {
                        radeon_encoder->devices |= supported_device;
                        return;
                }
@@ -1691,7 +1695,8 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t su
 
        radeon_encoder->enc_priv = NULL;
 
-       radeon_encoder->encoder_id = encoder_id;
+       radeon_encoder->encoder_enum = encoder_enum;
+       radeon_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
        radeon_encoder->devices = supported_device;
        radeon_encoder->rmx_type = RMX_OFF;
        radeon_encoder->underscan_type = UNDERSCAN_OFF;
index b8149cbc0c70ca3511f748d13e05cb85c16073e9..0b8397000f4c68ae98e80df717a652cb2ddf6253 100644 (file)
@@ -1345,7 +1345,7 @@ static struct radeon_encoder_ext_tmds *radeon_legacy_get_ext_tmds_info(struct ra
 }
 
 void
-radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t supported_device)
+radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t supported_device)
 {
        struct radeon_device *rdev = dev->dev_private;
        struct drm_encoder *encoder;
@@ -1354,7 +1354,7 @@ radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t
        /* see if we already added it */
        list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
                radeon_encoder = to_radeon_encoder(encoder);
-               if (radeon_encoder->encoder_id == encoder_id) {
+               if (radeon_encoder->encoder_enum == encoder_enum) {
                        radeon_encoder->devices |= supported_device;
                        return;
                }
@@ -1374,7 +1374,8 @@ radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t
 
        radeon_encoder->enc_priv = NULL;
 
-       radeon_encoder->encoder_id = encoder_id;
+       radeon_encoder->encoder_enum = encoder_enum;
+       radeon_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
        radeon_encoder->devices = supported_device;
        radeon_encoder->rmx_type = RMX_OFF;
 
index 5bbc086b9267bb16e6d324de5af25977cdf76dae..8f93e2b4b0c821153ca9969255e22e1f95c95513 100644 (file)
@@ -342,6 +342,7 @@ struct radeon_atom_ss {
 };
 
 struct radeon_encoder_atom_dig {
+       bool linkb;
        /* atom dig */
        bool coherent_mode;
        int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB */
@@ -360,6 +361,7 @@ struct radeon_encoder_atom_dac {
 
 struct radeon_encoder {
        struct drm_encoder base;
+       uint32_t encoder_enum;
        uint32_t encoder_id;
        uint32_t devices;
        uint32_t active_device;
@@ -378,7 +380,6 @@ struct radeon_encoder {
 
 struct radeon_connector_atom_dig {
        uint32_t igp_lane_info;
-       bool linkb;
        /* displayport */
        struct radeon_i2c_chan *dp_i2c_bus;
        u8 dpcd[8];