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| author | abdoulaye berthe <abdoulaye.berthe@amd.com> | 2019-07-18 15:58:25 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-17 16:24:56 -0400 |
| commit | f6040a439f9b6d9f90b7d4ef56762f412dfd1f9d (patch) | |
| tree | 9168e1e74f552b70435d6cf3ff569c2616342d8b /drivers/gpu/drm/amd/display/dc/inc | |
| parent | 8276dd871fd4240037cffb3904eda2dfe028fd85 (diff) | |
| download | linux-f6040a439f9b6d9f90b7d4ef56762f412dfd1f9d.tar.gz linux-f6040a439f9b6d9f90b7d4ef56762f412dfd1f9d.tar.bz2 linux-f6040a439f9b6d9f90b7d4ef56762f412dfd1f9d.zip | |
drm/amd/display: configurable aux timeout support
[Description]
1-add configurable timeout support to aux engine.
2-add timeout support field to dc_caps
3-add reg_key to override extended timeout support
Signed-off-by: abdoulaye berthe <abdoulaye.berthe@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/aux_engine.h | 3 |
3 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h index 7d35d03a2d43..14716ba35662 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h +++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h @@ -105,6 +105,9 @@ int dc_link_aux_transfer_raw(struct ddc_service *ddc, bool dc_link_aux_transfer_with_retries(struct ddc_service *ddc, struct aux_payload *payload); +enum dc_status dc_link_aux_configure_timeout(struct ddc_service *ddc, + uint32_t timeout); + void dal_ddc_service_write_scdc_data( struct ddc_service *ddc_service, uint32_t pix_clk, diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h index 967706e7898e..045138dbdccb 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h @@ -28,6 +28,8 @@ #define LINK_TRAINING_ATTEMPTS 4 #define LINK_TRAINING_RETRY_DELAY 50 /* ms */ +#define LINK_AUX_DEFAULT_EXTENDED_TIMEOUT_PERIOD 32000 /*us*/ +#define LINK_AUX_DEFAULT_TIMEOUT_PERIOD 400 /*us*/ struct dc_link; struct dc_stream_state; diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/aux_engine.h b/drivers/gpu/drm/amd/display/dc/inc/hw/aux_engine.h index e79cd4e92919..e77b3a76766d 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/aux_engine.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/aux_engine.h @@ -140,6 +140,9 @@ struct write_command_context { struct aux_engine_funcs { + bool (*configure_timeout)( + struct ddc_service *ddc, + uint32_t timeout); void (*destroy)( struct aux_engine **ptr); bool (*acquire_engine)( |