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authorAlex Deucher <alexdeucher@gmail.com>2010-11-08 16:08:29 +0000
committerDave Airlie <airlied@redhat.com>2010-11-09 13:43:32 +1000
commitfb939dfcf2a3a70357000617799925b6a11f9348 (patch)
tree7b307b6edbd6e6c6f7b8a93a9fc95e1d87abcc8f /drivers/gpu/drm/radeon/radeon_atombios.c
parentdccb2a952b1f0b51978fcb3f9899c7f46ffd4b28 (diff)
drm/radeon/kms: add support for clock/data path routers
This is a follow on to: 26b5bc986423cf3887e09188cb662ed651c5374d (drm/radeon/kms: add support for router objects) That patch added support for systems that use a mux to control the ddc line routing between the connectors. This patch adds support for systems that use a mux to control the encoder clock and data path routing to the connectors. Should fix: https://bugs.freedesktop.org/show_bug.cgi?id=31339 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 04cac7ec9039..a1de975eec30 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -526,7 +526,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
if (crev < 2)
return false;
- router.valid = false;
+ router.ddc_valid = false;
+ router.cd_valid = false;
obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
@@ -647,7 +648,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
usDeviceTag));
} else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) {
- router.valid = false;
+ router.ddc_valid = false;
+ router.cd_valid = false;
for (k = 0; k < router_obj->ucNumberOfObjects; k++) {
u16 router_obj_id = le16_to_cpu(router_obj->asObjects[j].usObjectID);
if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) {
@@ -657,6 +659,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
ATOM_I2C_RECORD *i2c_record;
ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path;
+ ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path;
ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table =
(ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *)
(ctx->bios + data_offset +
@@ -690,10 +693,18 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE:
ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *)
record;
- router.valid = true;
- router.mux_type = ddc_path->ucMuxType;
- router.mux_control_pin = ddc_path->ucMuxControlPin;
- router.mux_state = ddc_path->ucMuxState[enum_id];
+ router.ddc_valid = true;
+ router.ddc_mux_type = ddc_path->ucMuxType;
+ router.ddc_mux_control_pin = ddc_path->ucMuxControlPin;
+ router.ddc_mux_state = ddc_path->ucMuxState[enum_id];
+ break;
+ case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE:
+ cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *)
+ record;
+ router.cd_valid = true;
+ router.cd_mux_type = cd_path->ucMuxType;
+ router.cd_mux_control_pin = cd_path->ucMuxControlPin;
+ router.cd_mux_state = cd_path->ucMuxState[enum_id];
break;
}
record = (ATOM_COMMON_RECORD_HEADER *)
@@ -860,7 +871,8 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
size_t bc_size = sizeof(*bios_connectors) * ATOM_MAX_SUPPORTED_DEVICE;
struct radeon_router router;
- router.valid = false;
+ router.ddc_valid = false;
+ router.cd_valid = false;
bios_connectors = kzalloc(bc_size, GFP_KERNEL);
if (!bios_connectors)