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drm/radeon/kms/atom: fix PHY init 

The PHY was not initialized correctly after
ac89af1e10 since
the function bailed early as an encoder was not
assigned.  The encoder isn't necessary for PHY init
so just assign to 0 for init so that the table
is executed.

Reported-by: Ari Savolainen <ari.m.savolainen@gmail.com>
Tested-by: Ari Savolainen <ari.m.savolainen@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-06-03 16:39:06 -04:00 committed by Dave Airlie
parent fe6f0bd03d
commit f3aeceac61
1 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/gpu/drm/radeon/radeon_encoders.c
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@ -954,10 +954,15 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
int dp_lane_count = 0; int dp_lane_count = 0;
int connector_object_id = 0; int connector_object_id = 0;
int igp_lane_info = 0; int igp_lane_info = 0;
int dig_encoder = dig->dig_encoder;
if (action == ATOM_TRANSMITTER_ACTION_INIT) if (action == ATOM_TRANSMITTER_ACTION_INIT) {
connector = radeon_get_connector_for_encoder_init(encoder); connector = radeon_get_connector_for_encoder_init(encoder);
else /* just needed to avoid bailing in the encoder check. the encoder
* isn't used for init
*/
dig_encoder = 0;
} else
connector = radeon_get_connector_for_encoder(encoder); connector = radeon_get_connector_for_encoder(encoder);
if (connector) { if (connector) {
@ -973,7 +978,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
} }
/* no dig encoder assigned */ /* no dig encoder assigned */
if (dig->dig_encoder == -1) if (dig_encoder == -1)
return; return;
if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP) if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP)
@ -1023,7 +1028,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
if (dig->linkb) if (dig->linkb)
args.v3.acConfig.ucLinkSel = 1; args.v3.acConfig.ucLinkSel = 1;
if (dig->dig_encoder & 1) if (dig_encoder & 1)
args.v3.acConfig.ucEncoderSel = 1; args.v3.acConfig.ucEncoderSel = 1;
/* Select the PLL for the PHY /* Select the PLL for the PHY
@ -1073,7 +1078,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
args.v3.acConfig.fDualLinkConnector = 1; args.v3.acConfig.fDualLinkConnector = 1;
} }
} else if (ASIC_IS_DCE32(rdev)) { } else if (ASIC_IS_DCE32(rdev)) {
args.v2.acConfig.ucEncoderSel = dig->dig_encoder; args.v2.acConfig.ucEncoderSel = dig_encoder;
if (dig->linkb) if (dig->linkb)
args.v2.acConfig.ucLinkSel = 1; args.v2.acConfig.ucLinkSel = 1;
@ -1100,7 +1105,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
} else { } else {
args.v1.ucConfig = ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL; args.v1.ucConfig = ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL;
if (dig->dig_encoder) if (dig_encoder)
args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG2_ENCODER; args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG2_ENCODER;
else else
args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG1_ENCODER; args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG1_ENCODER;