Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-02 02:01:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/radeon/kms/atom: fix PHY init

Browse Source 
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
View File

@ -954,10 +954,15 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
int dp_lane_count = 0;
int connector_object_id = 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);
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);
if (connector) {
@ -973,7 +978,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
}
/* no dig encoder assigned */
if (dig->dig_encoder == -1)
if (dig_encoder == -1)
return;
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)
args.v3.acConfig.ucLinkSel = 1;
if (dig->dig_encoder & 1)
if (dig_encoder & 1)
args.v3.acConfig.ucEncoderSel = 1;
/* 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;
}
} else if (ASIC_IS_DCE32(rdev)) {
args.v2.acConfig.ucEncoderSel = dig->dig_encoder;
args.v2.acConfig.ucEncoderSel = dig_encoder;
if (dig->linkb)
args.v2.acConfig.ucLinkSel = 1;
@ -1100,7 +1105,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
} else {
args.v1.ucConfig = ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL;
if (dig->dig_encoder)
if (dig_encoder)
args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG2_ENCODER;
else
args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG1_ENCODER;