diff options
| author | Wenjing Liu <wenjing.liu@amd.com> | 2022-12-10 11:40:18 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-01-13 14:57:33 -0500 |
| commit | 4370f72e3845a1741c6db8ba149c483f57352fd5 (patch) | |
| tree | e9370b537aefe4c7462a2f93956a84293bb9ed1c /drivers/gpu/drm/amd/display/dc/dc_link.h | |
| parent | 689932a8dd7df9e1361871f01a9e676fe3496322 (diff) | |
drm/amd/display: refactor hpd logic from dc_link to link_hpd
[why]
Factor out hpd handling logic from generic dc link file.
Tested-by: Daniel Wheeler <Daniel.Wheeler@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_link.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 1226ecb625b4..fbd6f11a63db 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -479,10 +479,6 @@ enum link_training_result dc_link_dp_sync_lt_attempt( bool dc_link_dp_sync_lt_end(struct dc_link *link, bool link_down); -void dc_link_dp_enable_hpd(const struct dc_link *link); - -void dc_link_dp_disable_hpd(const struct dc_link *link); - bool dc_link_dp_set_test_pattern( struct dc_link *link, enum dp_test_pattern test_pattern, @@ -493,6 +489,21 @@ bool dc_link_dp_set_test_pattern( bool dc_link_dp_get_max_link_enc_cap(const struct dc_link *link, struct dc_link_settings *max_link_enc_cap); +/** + ***************************************************************************** + * Function: dc_link_enable_hpd_filter + * + * @brief + * If enable is true, programs HPD filter on associated HPD line to default + * values dependent on link->connector_signal + * + * If enable is false, programs HPD filter on associated HPD line with no + * delays on connect or disconnect + * + * @param [in] link: pointer to the dc link + * @param [in] enable: boolean specifying whether to enable hbd + ***************************************************************************** + */ void dc_link_enable_hpd_filter(struct dc_link *link, bool enable); bool dc_link_is_dp_sink_present(struct dc_link *link); @@ -565,9 +576,6 @@ void dc_get_cur_link_res_map(const struct dc *dc, uint32_t *map); /* restore link resource allocation state from a snapshot */ void dc_restore_link_res_map(const struct dc *dc, uint32_t *map); void dc_link_clear_dprx_states(struct dc_link *link); -struct gpio *get_hpd_gpio(struct dc_bios *dcb, - struct graphics_object_id link_id, - struct gpio_service *gpio_service); void dp_trace_reset(struct dc_link *link); bool dc_dp_trace_is_initialized(struct dc_link *link); unsigned long long dc_dp_trace_get_lt_end_timestamp(struct dc_link *link, |