diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c | 68 |
1 files changed, 42 insertions, 26 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c index b1c9f77d6bf4..0e95bc5df4e7 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c @@ -77,7 +77,9 @@ enum dc_status dpcd_get_tunneling_device_data(struct dc_link *link) * @param[in] link_setting Lane count, link rate and downspread control. * @param[out] lt_settings Link settings and drive settings (voltage swing and pre-emphasis). */ -static enum link_training_result dpia_configure_link(struct dc_link *link, +static enum link_training_result dpia_configure_link( + struct dc_link *link, + const struct link_resource *link_res, const struct dc_link_settings *link_setting, struct link_training_settings *lt_settings) { @@ -94,25 +96,25 @@ static enum link_training_result dpia_configure_link(struct dc_link *link, lt_settings); status = dpcd_configure_channel_coding(link, lt_settings); - if (status != DC_OK && !link->hpd_status) + if (status != DC_OK && link->is_hpd_pending) return LINK_TRAINING_ABORT; /* Configure lttpr mode */ status = dpcd_configure_lttpr_mode(link, lt_settings); - if (status != DC_OK && !link->hpd_status) + if (status != DC_OK && link->is_hpd_pending) return LINK_TRAINING_ABORT; /* Set link rate, lane count and spread. */ status = dpcd_set_link_settings(link, lt_settings); - if (status != DC_OK && !link->hpd_status) + if (status != DC_OK && link->is_hpd_pending) return LINK_TRAINING_ABORT; if (link->preferred_training_settings.fec_enable) fec_enable = *link->preferred_training_settings.fec_enable; else fec_enable = true; - status = dp_set_fec_ready(link, fec_enable); - if (status != DC_OK && !link->hpd_status) + status = dp_set_fec_ready(link, link_res, fec_enable); + if (status != DC_OK && link->is_hpd_pending) return LINK_TRAINING_ABORT; return LINK_TRAINING_SUCCESS; @@ -252,7 +254,9 @@ static enum dc_status dpcd_set_lt_pattern(struct dc_link *link, * @param lt_settings link_setting and drive settings (voltage swing and pre-emphasis). * @param hop The Hop in display path. DPRX = 0. */ -static enum link_training_result dpia_training_cr_non_transparent(struct dc_link *link, +static enum link_training_result dpia_training_cr_non_transparent( + struct dc_link *link, + const struct link_resource *link_res, struct link_training_settings *lt_settings, uint32_t hop) { @@ -388,7 +392,7 @@ static enum link_training_result dpia_training_cr_non_transparent(struct dc_link } /* Abort link training if clock recovery failed due to HPD unplug. */ - if (!link->hpd_status) + if (link->is_hpd_pending) result = LINK_TRAINING_ABORT; DC_LOG_HW_LINK_TRAINING("%s\n DPIA(%d) clock recovery\n" @@ -411,7 +415,9 @@ static enum link_training_result dpia_training_cr_non_transparent(struct dc_link * @param link DPIA link being trained. * @param lt_settings link_setting and drive settings (voltage swing and pre-emphasis). */ -static enum link_training_result dpia_training_cr_transparent(struct dc_link *link, +static enum link_training_result dpia_training_cr_transparent( + struct dc_link *link, + const struct link_resource *link_res, struct link_training_settings *lt_settings) { enum link_training_result result = LINK_TRAINING_CR_FAIL_LANE0; @@ -490,7 +496,7 @@ static enum link_training_result dpia_training_cr_transparent(struct dc_link *li } /* Abort link training if clock recovery failed due to HPD unplug. */ - if (!link->hpd_status) + if (link->is_hpd_pending) result = LINK_TRAINING_ABORT; DC_LOG_HW_LINK_TRAINING("%s\n DPIA(%d) clock recovery\n" @@ -511,16 +517,18 @@ static enum link_training_result dpia_training_cr_transparent(struct dc_link *li * @param lt_settings link_setting and drive settings (voltage swing and pre-emphasis). * @param hop The Hop in display path. DPRX = 0. */ -static enum link_training_result dpia_training_cr_phase(struct dc_link *link, +static enum link_training_result dpia_training_cr_phase( + struct dc_link *link, + const struct link_resource *link_res, struct link_training_settings *lt_settings, uint32_t hop) { enum link_training_result result = LINK_TRAINING_CR_FAIL_LANE0; if (link->lttpr_mode == LTTPR_MODE_NON_TRANSPARENT) - result = dpia_training_cr_non_transparent(link, lt_settings, hop); + result = dpia_training_cr_non_transparent(link, link_res, lt_settings, hop); else - result = dpia_training_cr_transparent(link, lt_settings); + result = dpia_training_cr_transparent(link, link_res, lt_settings); return result; } @@ -561,7 +569,9 @@ static uint32_t dpia_get_eq_aux_rd_interval(const struct dc_link *link, * @param lt_settings link_setting and drive settings (voltage swing and pre-emphasis). * @param hop The Hop in display path. DPRX = 0. */ -static enum link_training_result dpia_training_eq_non_transparent(struct dc_link *link, +static enum link_training_result dpia_training_eq_non_transparent( + struct dc_link *link, + const struct link_resource *link_res, struct link_training_settings *lt_settings, uint32_t hop) { @@ -675,7 +685,7 @@ static enum link_training_result dpia_training_eq_non_transparent(struct dc_link } /* Abort link training if equalization failed due to HPD unplug. */ - if (!link->hpd_status) + if (link->is_hpd_pending) result = LINK_TRAINING_ABORT; DC_LOG_HW_LINK_TRAINING("%s\n DPIA(%d) equalization\n" @@ -700,7 +710,9 @@ static enum link_training_result dpia_training_eq_non_transparent(struct dc_link * @param lt_settings link_setting and drive settings (voltage swing and pre-emphasis). * @param hop The Hop in display path. DPRX = 0. */ -static enum link_training_result dpia_training_eq_transparent(struct dc_link *link, +static enum link_training_result dpia_training_eq_transparent( + struct dc_link *link, + const struct link_resource *link_res, struct link_training_settings *lt_settings) { enum link_training_result result = LINK_TRAINING_EQ_FAIL_EQ; @@ -758,7 +770,7 @@ static enum link_training_result dpia_training_eq_transparent(struct dc_link *li } /* Abort link training if equalization failed due to HPD unplug. */ - if (!link->hpd_status) + if (link->is_hpd_pending) result = LINK_TRAINING_ABORT; DC_LOG_HW_LINK_TRAINING("%s\n DPIA(%d) equalization\n" @@ -779,16 +791,18 @@ static enum link_training_result dpia_training_eq_transparent(struct dc_link *li * @param lt_settings link_setting and drive settings (voltage swing and pre-emphasis). * @param hop The Hop in display path. DPRX = 0. */ -static enum link_training_result dpia_training_eq_phase(struct dc_link *link, +static enum link_training_result dpia_training_eq_phase( + struct dc_link *link, + const struct link_resource *link_res, struct link_training_settings *lt_settings, uint32_t hop) { enum link_training_result result; if (link->lttpr_mode == LTTPR_MODE_NON_TRANSPARENT) - result = dpia_training_eq_non_transparent(link, lt_settings, hop); + result = dpia_training_eq_non_transparent(link, link_res, lt_settings, hop); else - result = dpia_training_eq_transparent(link, lt_settings); + result = dpia_training_eq_transparent(link, link_res, lt_settings); return result; } @@ -892,10 +906,10 @@ static void dpia_training_abort(struct dc_link *link, uint32_t hop) __func__, link->link_id.enum_id - ENUM_ID_1, link->lttpr_mode, - link->hpd_status); + link->is_hpd_pending); /* Abandon clean-up if sink unplugged. */ - if (!link->hpd_status) + if (link->is_hpd_pending) return; if (hop != DPRX) @@ -908,7 +922,9 @@ static void dpia_training_abort(struct dc_link *link, uint32_t hop) core_link_send_set_config(link, DPIA_SET_CFG_SET_LINK, data); } -enum link_training_result dc_link_dpia_perform_link_training(struct dc_link *link, +enum link_training_result dc_link_dpia_perform_link_training( + struct dc_link *link, + const struct link_resource *link_res, const struct dc_link_settings *link_setting, bool skip_video_pattern) { @@ -918,7 +934,7 @@ enum link_training_result dc_link_dpia_perform_link_training(struct dc_link *lin int8_t repeater_id; /* Current hop. */ /* Configure link as prescribed in link_setting and set LTTPR mode. */ - result = dpia_configure_link(link, link_setting, <_settings); + result = dpia_configure_link(link, link_res, link_setting, <_settings); if (result != LINK_TRAINING_SUCCESS) return result; @@ -930,12 +946,12 @@ enum link_training_result dc_link_dpia_perform_link_training(struct dc_link *lin */ for (repeater_id = repeater_cnt; repeater_id >= 0; repeater_id--) { /* Clock recovery. */ - result = dpia_training_cr_phase(link, <_settings, repeater_id); + result = dpia_training_cr_phase(link, link_res, <_settings, repeater_id); if (result != LINK_TRAINING_SUCCESS) break; /* Equalization. */ - result = dpia_training_eq_phase(link, <_settings, repeater_id); + result = dpia_training_eq_phase(link, link_res, <_settings, repeater_id); if (result != LINK_TRAINING_SUCCESS) break; |