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Commit 3e4b9982 authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
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drm/radeon/kms/atom: add proper external encoders support 

These are external encoder chips connected via DVO or DP.
The actual external encoder programming is handled by the
kms encoder functions for primary encoder.
Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 99999aaa
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Showing with 184 additions and 0 deletions
drivers/gpu/drm/radeon/radeon_encoders.c
View file @ 3e4b9982
......@@ -229,6 +229,27 @@ radeon_get_connector_for_encoder(struct drm_encoder *encoder)
return NULL;
}
struct drm_encoder *radeon_atom_get_external_encoder(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_encoder *other_encoder;
struct radeon_encoder *other_radeon_encoder;
if (radeon_encoder->is_ext_encoder)
return NULL;
list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) {
if (other_encoder == encoder)
continue;
other_radeon_encoder = to_radeon_encoder(other_encoder);
if (other_radeon_encoder->is_ext_encoder &&
(radeon_encoder->devices & other_radeon_encoder->devices))
return other_encoder;
}
return NULL;
}
void radeon_panel_mode_fixup(struct drm_encoder *encoder,
struct drm_display_mode *adjusted_mode)
{
......@@ -1021,6 +1042,75 @@ atombios_set_edp_panel_power(struct drm_connector *connector, int action)
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
union external_encoder_control {
EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION v1;
};
static void
atombios_external_encoder_setup(struct drm_encoder *encoder,
struct drm_encoder *ext_encoder,
int action)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(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;
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector =
radeon_connector->con_priv;
dp_clock = dig_connector->dp_clock;
dp_lane_count = dig_connector->dp_lane_count;
connector_object_id =
(radeon_connector->connector_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
}
memset(&args, 0, sizeof(args));
if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
return;
switch (frev) {
case 1:
/* no params on frev 1 */
break;
case 2:
switch (crev) {
case 1:
case 2:
args.v1.sDigEncoder.ucAction = action;
args.v1.sDigEncoder.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
args.v1.sDigEncoder.ucEncoderMode = atombios_get_encoder_mode(encoder);
if (args.v1.sDigEncoder.ucEncoderMode == ATOM_ENCODER_MODE_DP) {
if (dp_clock == 270000)
args.v1.sDigEncoder.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
args.v1.sDigEncoder.ucLaneNum = dp_lane_count;
} else if (radeon_encoder->pixel_clock > 165000)
args.v1.sDigEncoder.ucLaneNum = 8;
else
args.v1.sDigEncoder.ucLaneNum = 4;
break;
default:
DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
return;
}
break;
default:
DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
return;
}
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
static void
atombios_yuv_setup(struct drm_encoder *encoder, bool enable)
{
......@@ -1064,6 +1154,7 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_encoder *ext_encoder = radeon_atom_get_external_encoder(encoder);
DISPLAY_DEVICE_OUTPUT_CONTROL_PS_ALLOCATION args;
int index = 0;
bool is_dig = false;
......@@ -1191,6 +1282,24 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
break;
}
}
if (ext_encoder) {
int action;
switch (mode) {
case DRM_MODE_DPMS_ON:
default:
action = ATOM_ENABLE;
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
action = ATOM_DISABLE;
break;
}
atombios_external_encoder_setup(encoder, ext_encoder, action);
}
radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
}
......@@ -1438,6 +1547,7 @@ radeon_atom_encoder_mode_set(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 drm_encoder *ext_encoder = radeon_atom_get_external_encoder(encoder);
radeon_encoder->pixel_clock = adjusted_mode->clock;
......@@ -1498,6 +1608,11 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
}
break;
}
if (ext_encoder) {
atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);
}
atombios_apply_encoder_quirks(encoder, adjusted_mode);
if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
......@@ -1698,6 +1813,53 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder)
radeon_encoder->active_device = 0;
}
/* these are handled by the primary encoders */
static void radeon_atom_ext_prepare(struct drm_encoder *encoder)
{
}
static void radeon_atom_ext_commit(struct drm_encoder *encoder)
{
}
static void
radeon_atom_ext_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
}
static void radeon_atom_ext_disable(struct drm_encoder *encoder)
{
}
static void
radeon_atom_ext_dpms(struct drm_encoder *encoder, int mode)
{
}
static bool radeon_atom_ext_mode_fixup(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
return true;
}
static const struct drm_encoder_helper_funcs radeon_atom_ext_helper_funcs = {
.dpms = radeon_atom_ext_dpms,
.mode_fixup = radeon_atom_ext_mode_fixup,
.prepare = radeon_atom_ext_prepare,
.mode_set = radeon_atom_ext_mode_set,
.commit = radeon_atom_ext_commit,
.disable = radeon_atom_ext_disable,
/* no detect for TMDS/LVDS yet */
};
static const struct drm_encoder_helper_funcs radeon_atom_dig_helper_funcs = {
.dpms = radeon_atom_encoder_dpms,
.mode_fixup = radeon_atom_mode_fixup,
......@@ -1807,6 +1969,7 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t
radeon_encoder->devices = supported_device;
radeon_encoder->rmx_type = RMX_OFF;
radeon_encoder->underscan_type = UNDERSCAN_OFF;
radeon_encoder->is_ext_encoder = false;
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_LVDS:
......@@ -1848,6 +2011,9 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t
radeon_encoder->rmx_type = RMX_FULL;
drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_LVDS);
radeon_encoder->enc_priv = radeon_atombios_get_lvds_info(radeon_encoder);
} else if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_DAC);
radeon_encoder->enc_priv = radeon_atombios_set_dig_info(radeon_encoder);
} 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);
......@@ -1856,5 +2022,22 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t
}
drm_encoder_helper_add(encoder, &radeon_atom_dig_helper_funcs);
break;
case ENCODER_OBJECT_ID_SI170B:
case ENCODER_OBJECT_ID_CH7303:
case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
case ENCODER_OBJECT_ID_TITFP513:
case ENCODER_OBJECT_ID_VT1623:
case ENCODER_OBJECT_ID_HDMI_SI1930:
/* these are handled by the primary encoders */
radeon_encoder->is_ext_encoder = true;
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_LVDS);
else if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_DAC);
else
drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(encoder, &radeon_atom_ext_helper_funcs);
break;
}
}
drivers/gpu/drm/radeon/radeon_mode.h
View file @ 3e4b9982
......@@ -375,6 +375,7 @@ struct radeon_encoder {
int hdmi_config_offset;
int hdmi_audio_workaround;
int hdmi_buffer_status;
bool is_ext_encoder;
};
struct radeon_connector_atom_dig {
......
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