diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm')
6 files changed, 578 insertions, 127 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index e727f1dd2a9a..2f0b14f8f833 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -624,7 +624,7 @@ static void dm_dcn_vertical_interrupt0_high_irq(void *interrupt_params) #endif /* CONFIG_DRM_AMD_SECURE_DISPLAY */ /** - * dmub_aux_setconfig_reply_callback - Callback for AUX or SET_CONFIG command. + * dmub_aux_setconfig_callback - Callback for AUX or SET_CONFIG command. * @adev: amdgpu_device pointer * @notify: dmub notification structure * @@ -632,7 +632,8 @@ static void dm_dcn_vertical_interrupt0_high_irq(void *interrupt_params) * Copies dmub notification to DM which is to be read by AUX command. * issuing thread and also signals the event to wake up the thread. */ -void dmub_aux_setconfig_callback(struct amdgpu_device *adev, struct dmub_notification *notify) +static void dmub_aux_setconfig_callback(struct amdgpu_device *adev, + struct dmub_notification *notify) { if (adev->dm.dmub_notify) memcpy(adev->dm.dmub_notify, notify, sizeof(struct dmub_notification)); @@ -648,7 +649,8 @@ void dmub_aux_setconfig_callback(struct amdgpu_device *adev, struct dmub_notific * Dmub Hpd interrupt processing callback. Gets displayindex through the * ink index and calls helper to do the processing. */ -void dmub_hpd_callback(struct amdgpu_device *adev, struct dmub_notification *notify) +static void dmub_hpd_callback(struct amdgpu_device *adev, + struct dmub_notification *notify) { struct amdgpu_dm_connector *aconnector; struct amdgpu_dm_connector *hpd_aconnector = NULL; @@ -705,8 +707,10 @@ void dmub_hpd_callback(struct amdgpu_device *adev, struct dmub_notification *not * to dmub interrupt handling thread * Return: true if successfully registered, false if there is existing registration */ -bool register_dmub_notify_callback(struct amdgpu_device *adev, enum dmub_notification_type type, -dmub_notify_interrupt_callback_t callback, bool dmub_int_thread_offload) +static bool register_dmub_notify_callback(struct amdgpu_device *adev, + enum dmub_notification_type type, + dmub_notify_interrupt_callback_t callback, + bool dmub_int_thread_offload) { if (callback != NULL && type < ARRAY_SIZE(adev->dm.dmub_thread_offload)) { adev->dm.dmub_callback[type] = callback; @@ -790,8 +794,7 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params) plink = adev->dm.dc->links[notify.link_index]; if (plink) { plink->hpd_status = - notify.hpd_status == - DP_HPD_PLUG ? true : false; + notify.hpd_status == DP_HPD_PLUG; } } queue_work(adev->dm.delayed_hpd_wq, &dmub_hpd_wrk->handle_hpd_work); @@ -1459,8 +1462,21 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) if (amdgpu_dc_feature_mask & DC_EDP_NO_POWER_SEQUENCING) init_data.flags.edp_no_power_sequencing = true; +#ifdef CONFIG_DRM_AMD_DC_DCN + if (amdgpu_dc_feature_mask & DC_DISABLE_LTTPR_DP1_4A) + init_data.flags.allow_lttpr_non_transparent_mode.bits.DP1_4A = true; + if (amdgpu_dc_feature_mask & DC_DISABLE_LTTPR_DP2_0) + init_data.flags.allow_lttpr_non_transparent_mode.bits.DP2_0 = true; +#endif + init_data.flags.power_down_display_on_boot = true; + if (check_seamless_boot_capability(adev)) { + init_data.flags.power_down_display_on_boot = false; + init_data.flags.allow_seamless_boot_optimization = true; + DRM_INFO("Seamless boot condition check passed\n"); + } + INIT_LIST_HEAD(&adev->dm.da_list); /* Display Core create. */ adev->dm.dc = dc_create(&init_data); @@ -1485,8 +1501,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) if (amdgpu_dc_debug_mask & DC_DISABLE_STUTTER) adev->dm.dc->debug.disable_stutter = true; - if (amdgpu_dc_debug_mask & DC_DISABLE_DSC) + if (amdgpu_dc_debug_mask & DC_DISABLE_DSC) { adev->dm.dc->debug.disable_dsc = true; + adev->dm.dc->debug.disable_dsc_edp = true; + } if (amdgpu_dc_debug_mask & DC_DISABLE_CLOCK_GATING) adev->dm.dc->debug.disable_clock_gate = true; @@ -2309,14 +2327,6 @@ static enum dc_status amdgpu_dm_commit_zero_streams(struct dc *dc) goto fail; } - - res = dc_validate_global_state(dc, context, false); - - if (res != DC_OK) { - DRM_ERROR("%s:resource validation failed, dc_status:%d\n", __func__, res); - goto fail; - } - res = dc_commit_state(dc, context); fail: @@ -2600,15 +2610,6 @@ static int dm_resume(void *handle) = 0xffffffff; } } -#if defined(CONFIG_DRM_AMD_DC_DCN) - /* - * Resource allocation happens for link encoders for newer ASIC in - * dc_validate_global_state, so we need to revalidate it. - * - * This shouldn't fail (it passed once before), so warn if it does. - */ - WARN_ON(dc_validate_global_state(dm->dc, dc_state, false) != DC_OK); -#endif WARN_ON(!dc_commit_state(dm->dc, dc_state)); @@ -2965,13 +2966,12 @@ void amdgpu_dm_update_connector_after_detect( aconnector->edid = (struct edid *)sink->dc_edid.raw_edid; - drm_connector_update_edid_property(connector, - aconnector->edid); if (aconnector->dc_link->aux_mode) drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux, aconnector->edid); } + drm_connector_update_edid_property(connector, aconnector->edid); amdgpu_dm_update_freesync_caps(connector, aconnector->edid); update_connector_ext_caps(aconnector); } else { @@ -3039,7 +3039,7 @@ static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector) drm_modeset_unlock_all(dev); if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } else if (dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD)) { if (new_connection_type == dc_connection_none && @@ -3054,7 +3054,7 @@ static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector) drm_modeset_unlock_all(dev); if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } mutex_unlock(&aconnector->hpd_lock); @@ -3248,7 +3248,7 @@ out: dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } else if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) { if (aconnector->fake_enable) @@ -3261,7 +3261,7 @@ out: dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } } #ifdef CONFIG_DRM_AMD_DC_HDCP @@ -4281,6 +4281,14 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) } + /* + * Disable vblank IRQs aggressively for power-saving. + * + * TODO: Fix vblank control helpers to delay PSR entry to allow this when PSR + * is also supported. + */ + adev_to_drm(adev)->vblank_disable_immediate = !psr_feature_enabled; + /* Software is initialized. Now we can register interrupt handlers. */ switch (adev->asic_type) { #if defined(CONFIG_DRM_AMD_DC_SI) @@ -6066,11 +6074,72 @@ static void update_dsc_caps(struct amdgpu_dm_connector *aconnector, { stream->timing.flags.DSC = 0; - if (aconnector->dc_link && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT) { - dc_dsc_parse_dsc_dpcd(aconnector->dc_link->ctx->dc, - aconnector->dc_link->dpcd_caps.dsc_caps.dsc_basic_caps.raw, - aconnector->dc_link->dpcd_caps.dsc_caps.dsc_branch_decoder_caps.raw, - dsc_caps); + if (aconnector->dc_link && (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT || + sink->sink_signal == SIGNAL_TYPE_EDP)) { + if (sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_NONE || + sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) + dc_dsc_parse_dsc_dpcd(aconnector->dc_link->ctx->dc, + aconnector->dc_link->dpcd_caps.dsc_caps.dsc_basic_caps.raw, + aconnector->dc_link->dpcd_caps.dsc_caps.dsc_branch_decoder_caps.raw, + dsc_caps); + } +} + +static void apply_dsc_policy_for_edp(struct amdgpu_dm_connector *aconnector, + struct dc_sink *sink, struct dc_stream_state *stream, + struct dsc_dec_dpcd_caps *dsc_caps, + uint32_t max_dsc_target_bpp_limit_override) +{ + const struct dc_link_settings *verified_link_cap = NULL; + uint32_t link_bw_in_kbps; + uint32_t edp_min_bpp_x16, edp_max_bpp_x16; + struct dc *dc = sink->ctx->dc; + struct dc_dsc_bw_range bw_range = {0}; + struct dc_dsc_config dsc_cfg = {0}; + + verified_link_cap = dc_link_get_link_cap(stream->link); + link_bw_in_kbps = dc_link_bandwidth_kbps(stream->link, verified_link_cap); + edp_min_bpp_x16 = 8 * 16; + edp_max_bpp_x16 = 8 * 16; + + if (edp_max_bpp_x16 > dsc_caps->edp_max_bits_per_pixel) + edp_max_bpp_x16 = dsc_caps->edp_max_bits_per_pixel; + + if (edp_max_bpp_x16 < edp_min_bpp_x16) + edp_min_bpp_x16 = edp_max_bpp_x16; + + if (dc_dsc_compute_bandwidth_range(dc->res_pool->dscs[0], + dc->debug.dsc_min_slice_height_override, + edp_min_bpp_x16, edp_max_bpp_x16, + dsc_caps, + &stream->timing, + &bw_range)) { + + if (bw_range.max_kbps < link_bw_in_kbps) { + if (dc_dsc_compute_config(dc->res_pool->dscs[0], + dsc_caps, + dc->debug.dsc_min_slice_height_override, + max_dsc_target_bpp_limit_override, + 0, + &stream->timing, + &dsc_cfg)) { + stream->timing.dsc_cfg = dsc_cfg; + stream->timing.flags.DSC = 1; + stream->timing.dsc_cfg.bits_per_pixel = edp_max_bpp_x16; + } + return; + } + } + + if (dc_dsc_compute_config(dc->res_pool->dscs[0], + dsc_caps, + dc->debug.dsc_min_slice_height_override, + max_dsc_target_bpp_limit_override, + link_bw_in_kbps, + &stream->timing, + &dsc_cfg)) { + stream->timing.dsc_cfg = dsc_cfg; + stream->timing.flags.DSC = 1; } } @@ -6081,6 +6150,9 @@ static void apply_dsc_policy_for_stream(struct amdgpu_dm_connector *aconnector, struct drm_connector *drm_connector = &aconnector->base; uint32_t link_bandwidth_kbps; uint32_t max_dsc_target_bpp_limit_override = 0; + struct dc *dc = sink->ctx->dc; + uint32_t max_supported_bw_in_kbps, timing_bw_in_kbps; + uint32_t dsc_max_supported_bw_in_kbps; link_bandwidth_kbps = dc_link_bandwidth_kbps(aconnector->dc_link, dc_link_get_link_cap(aconnector->dc_link)); @@ -6093,17 +6165,43 @@ static void apply_dsc_policy_for_stream(struct amdgpu_dm_connector *aconnector, dc_dsc_policy_set_enable_dsc_when_not_needed( aconnector->dsc_settings.dsc_force_enable == DSC_CLK_FORCE_ENABLE); - if (aconnector->dc_link && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT) { + if (aconnector->dc_link && sink->sink_signal == SIGNAL_TYPE_EDP && !dc->debug.disable_dsc_edp && + dc->caps.edp_dsc_support && aconnector->dsc_settings.dsc_force_enable != DSC_CLK_FORCE_DISABLE) { + + apply_dsc_policy_for_edp(aconnector, sink, stream, dsc_caps, max_dsc_target_bpp_limit_override); - if (dc_dsc_compute_config(aconnector->dc_link->ctx->dc->res_pool->dscs[0], + } else if (aconnector->dc_link && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT) { + if (sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_NONE) { + if (dc_dsc_compute_config(aconnector->dc_link->ctx->dc->res_pool->dscs[0], dsc_caps, aconnector->dc_link->ctx->dc->debug.dsc_min_slice_height_override, max_dsc_target_bpp_limit_override, link_bandwidth_kbps, &stream->timing, &stream->timing.dsc_cfg)) { - stream->timing.flags.DSC = 1; - DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from SST RX\n", __func__, drm_connector->name); + stream->timing.flags.DSC = 1; + DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from SST RX\n", + __func__, drm_connector->name); + } + } else if (sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) { + timing_bw_in_kbps = dc_bandwidth_in_kbps_from_timing(&stream->timing); + max_supported_bw_in_kbps = link_bandwidth_kbps; + dsc_max_supported_bw_in_kbps = link_bandwidth_kbps; + + if (timing_bw_in_kbps > max_supported_bw_in_kbps && + max_supported_bw_in_kbps > 0 && + dsc_max_supported_bw_in_kbps > 0) + if (dc_dsc_compute_config(aconnector->dc_link->ctx->dc->res_pool->dscs[0], + dsc_caps, + aconnector->dc_link->ctx->dc->debug.dsc_min_slice_height_override, + max_dsc_target_bpp_limit_override, + dsc_max_supported_bw_in_kbps, + &stream->timing, + &stream->timing.dsc_cfg)) { + stream->timing.flags.DSC = 1; + DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from DP-HDMI PCON\n", + __func__, drm_connector->name); + } } } @@ -8247,15 +8345,8 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, break; case DRM_MODE_CONNECTOR_DisplayPort: aconnector->base.polled = DRM_CONNECTOR_POLL_HPD; - if (link->is_dig_mapping_flexible && - link->dc->res_pool->funcs->link_encs_assign) { - link->link_enc = - link_enc_cfg_get_link_enc_used_by_link(link->ctx->dc, link); - if (!link->link_enc) - link->link_enc = - link_enc_cfg_get_next_avail_link_enc(link->ctx->dc); - } - + link->link_enc = dp_get_link_enc(link); + ASSERT(link->link_enc); if (link->link_enc) aconnector->base.ycbcr_420_allowed = link->link_enc->features.dp_ycbcr420_supported ? true : false; @@ -10658,6 +10749,24 @@ static int dm_update_plane_state(struct dc *dc, return ret; } +static void dm_get_oriented_plane_size(struct drm_plane_state *plane_state, + int *src_w, int *src_h) +{ + switch (plane_state->rotation & DRM_MODE_ROTATE_MASK) { + case DRM_MODE_ROTATE_90: + case DRM_MODE_ROTATE_270: + *src_w = plane_state->src_h >> 16; + *src_h = plane_state->src_w >> 16; + break; + case DRM_MODE_ROTATE_0: + case DRM_MODE_ROTATE_180: + default: + *src_w = plane_state->src_w >> 16; + *src_h = plane_state->src_h >> 16; + break; + } +} + static int dm_check_crtc_cursor(struct drm_atomic_state *state, struct drm_crtc *crtc, struct drm_crtc_state *new_crtc_state) @@ -10666,6 +10775,8 @@ static int dm_check_crtc_cursor(struct drm_atomic_state *state, struct drm_plane_state *new_cursor_state, *new_underlying_state; int i; int cursor_scale_w, cursor_scale_h, underlying_scale_w, underlying_scale_h; + int cursor_src_w, cursor_src_h; + int underlying_src_w, underlying_src_h; /* On DCE and DCN there is no dedicated hardware cursor plane. We get a * cursor per pipe but it's going to inherit the scaling and @@ -10677,10 +10788,9 @@ static int dm_check_crtc_cursor(struct drm_atomic_state *state, return 0; } - cursor_scale_w = new_cursor_state->crtc_w * 1000 / - (new_cursor_state->src_w >> 16); - cursor_scale_h = new_cursor_state->crtc_h * 1000 / - (new_cursor_state->src_h >> 16); + dm_get_oriented_plane_size(new_cursor_state, &cursor_src_w, &cursor_src_h); + cursor_scale_w = new_cursor_state->crtc_w * 1000 / cursor_src_w; + cursor_scale_h = new_cursor_state->crtc_h * 1000 / cursor_src_h; for_each_new_plane_in_state_reverse(state, underlying, new_underlying_state, i) { /* Narrow down to non-cursor planes on the same CRTC as the cursor */ @@ -10691,10 +10801,10 @@ static int dm_check_crtc_cursor(struct drm_atomic_state *state, if (!new_underlying_state->fb) continue; - underlying_scale_w = new_underlying_state->crtc_w * 1000 / - (new_underlying_state->src_w >> 16); - underlying_scale_h = new_underlying_state->crtc_h * 1000 / - (new_underlying_state->src_h >> 16); + dm_get_oriented_plane_size(new_underlying_state, + &underlying_src_w, &underlying_src_h); + underlying_scale_w = new_underlying_state->crtc_w * 1000 / underlying_src_w; + underlying_scale_h = new_underlying_state->crtc_h * 1000 / underlying_src_h; if (cursor_scale_w != underlying_scale_w || cursor_scale_h != underlying_scale_h) { @@ -10789,8 +10899,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, trace_amdgpu_dm_atomic_check_begin(state); ret = drm_atomic_helper_check_modeset(dev, state); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("drm_atomic_helper_check_modeset() failed\n"); goto fail; + } /* Check connector changes */ for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { @@ -10806,6 +10918,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, new_crtc_state = drm_atomic_get_crtc_state(state, new_con_state->crtc); if (IS_ERR(new_crtc_state)) { + DRM_DEBUG_DRIVER("drm_atomic_get_crtc_state() failed\n"); ret = PTR_ERR(new_crtc_state); goto fail; } @@ -10820,8 +10933,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { if (drm_atomic_crtc_needs_modeset(new_crtc_state)) { ret = add_affected_mst_dsc_crtcs(state, crtc); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("add_affected_mst_dsc_crtcs() failed\n"); goto fail; + } } } } @@ -10836,19 +10951,25 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, continue; ret = amdgpu_dm_verify_lut_sizes(new_crtc_state); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("amdgpu_dm_verify_lut_sizes() failed\n"); goto fail; + } if (!new_crtc_state->enable) continue; ret = drm_atomic_add_affected_connectors(state, crtc); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("drm_atomic_add_affected_connectors() failed\n"); goto fail; + } ret = drm_atomic_add_affected_planes(state, crtc); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("drm_atomic_add_affected_planes() failed\n"); goto fail; + } if (dm_old_crtc_state->dsc_force_changed) new_crtc_state->mode_changed = true; @@ -10885,6 +11006,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, if (IS_ERR(new_plane_state)) { ret = PTR_ERR(new_plane_state); + DRM_DEBUG_DRIVER("new_plane_state is BAD\n"); goto fail; } } @@ -10897,8 +11019,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, new_plane_state, false, &lock_and_validation_needed); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("dm_update_plane_state() failed\n"); goto fail; + } } /* Disable all crtcs which require disable */ @@ -10908,8 +11032,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, new_crtc_state, false, &lock_and_validation_needed); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("DISABLE: dm_update_crtc_state() failed\n"); goto fail; + } } /* Enable all crtcs which require enable */ @@ -10919,8 +11045,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, new_crtc_state, true, &lock_and_validation_needed); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("ENABLE: dm_update_crtc_state() failed\n"); goto fail; + } } /* Add new/modified planes */ @@ -10930,20 +11058,26 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, new_plane_state, true, &lock_and_validation_needed); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("dm_update_plane_state() failed\n"); goto fail; + } } /* Run this here since we want to validate the streams we created */ ret = drm_atomic_helper_check_planes(dev, state); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("drm_atomic_helper_check_planes() failed\n"); goto fail; + } /* Check cursor planes scaling */ for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { ret = dm_check_crtc_cursor(state, crtc, new_crtc_state); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("dm_check_crtc_cursor() failed\n"); goto fail; + } } if (state->legacy_cursor_update) { @@ -11030,20 +11164,28 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, */ if (lock_and_validation_needed) { ret = dm_atomic_get_state(state, &dm_state); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("dm_atomic_get_state() failed\n"); goto fail; + } ret = do_aquire_global_lock(dev, state); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("do_aquire_global_lock() failed\n"); goto fail; + } #if defined(CONFIG_DRM_AMD_DC_DCN) - if (!compute_mst_dsc_configs_for_state(state, dm_state->context, vars)) + if (!compute_mst_dsc_configs_for_state(state, dm_state->context, vars)) { + DRM_DEBUG_DRIVER("compute_mst_dsc_configs_for_state() failed\n"); goto fail; + } ret = dm_update_mst_vcpi_slots_for_dsc(state, dm_state->context, vars); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("dm_update_mst_vcpi_slots_for_dsc() failed\n"); goto fail; + } #endif /* @@ -11053,12 +11195,13 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, * to get stuck in an infinite loop and hang eventually. */ ret = drm_dp_mst_atomic_check(state); - if (ret) + if (ret) { + DRM_DEBUG_DRIVER("drm_dp_mst_atomic_check() failed\n"); goto fail; - status = dc_validate_global_state(dc, dm_state->context, false); + } + status = dc_validate_global_state(dc, dm_state->context, true); if (status != DC_OK) { - drm_dbg_atomic(dev, - "DC global validation failure: %s (%d)", + DRM_DEBUG_DRIVER("DC global validation failure: %s (%d)", dc_status_to_str(status), status); ret = -EINVAL; goto fail; @@ -11180,7 +11323,7 @@ static bool dm_edid_parser_send_cea(struct amdgpu_display_manager *dm, sizeof(cmd.edid_cea) - sizeof(cmd.edid_cea.header); input->offset = offset; input->length = length; - input->total_length = total_length; + input->cea_total_length = total_length; memcpy(input->payload, data, length); res = dc_dmub_srv_cmd_with_reply_data(dm->dc->ctx->dmub_srv, &cmd); @@ -11487,8 +11630,10 @@ uint32_t dm_read_reg_func(const struct dc_context *ctx, uint32_t address, return value; } -int amdgpu_dm_set_dmub_async_sync_status(bool is_cmd_aux, struct dc_context *ctx, - uint8_t status_type, uint32_t *operation_result) +static int amdgpu_dm_set_dmub_async_sync_status(bool is_cmd_aux, + struct dc_context *ctx, + uint8_t status_type, + uint32_t *operation_result) { struct amdgpu_device *adev = ctx->driver_context; int return_status = -1; @@ -11559,3 +11704,24 @@ int amdgpu_dm_process_dmub_aux_transfer_sync(bool is_cmd_aux, struct dc_context ctx, DMUB_ASYNC_TO_SYNC_ACCESS_SUCCESS, (uint32_t *)operation_result); } + +/* + * Check whether seamless boot is supported. + * + * So far we only support seamless boot on CHIP_VANGOGH. + * If everything goes well, we may consider expanding + * seamless boot to other ASICs. + */ +bool check_seamless_boot_capability(struct amdgpu_device *adev) +{ + switch (adev->asic_type) { + case CHIP_VANGOGH: + if (!adev->mman.keep_stolen_vga_memory) + return true; + break; + default: + break; + } + + return false; +} diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index 37e61a88d49e..c98e402eab0c 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -50,9 +50,9 @@ #define AMDGPU_DMUB_NOTIFICATION_MAX 5 -/** +/* * DMUB Async to Sync Mechanism Status - **/ + */ #define DMUB_ASYNC_TO_SYNC_ACCESS_FAIL 1 #define DMUB_ASYNC_TO_SYNC_ACCESS_TIMEOUT 2 #define DMUB_ASYNC_TO_SYNC_ACCESS_SUCCESS 3 @@ -731,4 +731,7 @@ extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs; int amdgpu_dm_process_dmub_aux_transfer_sync(bool is_cmd_aux, struct dc_context *ctx, unsigned int link_index, void *payload, void *operation_result); + +bool check_seamless_boot_capability(struct amdgpu_device *adev); + #endif /* __AMDGPU_DM_H__ */ diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c index a022e5bb30a5..a71177305bcd 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c @@ -285,8 +285,12 @@ static int __set_input_tf(struct dc_transfer_func *func, } /** + * amdgpu_dm_verify_lut_sizes + * @crtc_state: the DRM CRTC state + * * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of * the expected size. + * * Returns 0 on success. */ int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index 9d43ecb1f692..26719efa5396 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -824,6 +824,48 @@ static int dmub_fw_state_show(struct seq_file *m, void *data) return seq_write(m, state_base, state_size); } +/* psr_capability_show() - show eDP panel PSR capability + * + * The read function: sink_psr_capability_show + * Shows if sink has PSR capability or not. + * If yes - the PSR version is appended + * + * cat /sys/kernel/debug/dri/0/eDP-X/psr_capability + * + * Expected output: + * "Sink support: no\n" - if panel doesn't support PSR + * "Sink support: yes [0x01]\n" - if panel supports PSR1 + * "Driver support: no\n" - if driver doesn't support PSR + * "Driver support: yes [0x01]\n" - if driver supports PSR1 + */ +static int psr_capability_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + struct dc_link *link = aconnector->dc_link; + + if (!link) + return -ENODEV; + + if (link->type == dc_connection_none) + return -ENODEV; + + if (!(link->connector_signal & SIGNAL_TYPE_EDP)) + return -ENODEV; + + seq_printf(m, "Sink support: %s", yesno(link->dpcd_caps.psr_caps.psr_version != 0)); + if (link->dpcd_caps.psr_caps.psr_version) + seq_printf(m, " [0x%02x]", link->dpcd_caps.psr_caps.psr_version); + seq_puts(m, "\n"); + + seq_printf(m, "Driver support: %s", yesno(link->psr_settings.psr_feature_enabled)); + if (link->psr_settings.psr_version) + seq_printf(m, " [0x%02x]", link->psr_settings.psr_version); + seq_puts(m, "\n"); + + return 0; +} + /* * Returns the current and maximum output bpc for the connector. * Example usage: cat /sys/kernel/debug/dri/0/DP-1/output_bpc @@ -1243,7 +1285,7 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf, dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } else if (param[0] == 0) { if (!aconnector->dc_link) goto unlock; @@ -1265,7 +1307,7 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf, dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } unlock: @@ -2467,6 +2509,7 @@ DEFINE_SHOW_ATTRIBUTE(dp_lttpr_status); DEFINE_SHOW_ATTRIBUTE(hdcp_sink_capability); #endif DEFINE_SHOW_ATTRIBUTE(internal_display); +DEFINE_SHOW_ATTRIBUTE(psr_capability); static const struct file_operations dp_dsc_clock_en_debugfs_fops = { .owner = THIS_MODULE, @@ -2712,6 +2755,138 @@ static const struct { {"internal_display", &internal_display_fops} }; +/* + * Returns supported customized link rates by this eDP panel. + * Example usage: cat /sys/kernel/debug/dri/0/eDP-x/ilr_setting + */ +static int edp_ilr_show(struct seq_file *m, void *unused) +{ + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(m->private); + struct dc_link *link = aconnector->dc_link; + uint8_t supported_link_rates[16]; + uint32_t link_rate_in_khz; + uint32_t entry = 0; + uint8_t dpcd_rev; + + memset(supported_link_rates, 0, sizeof(supported_link_rates)); + dm_helpers_dp_read_dpcd(link->ctx, link, DP_SUPPORTED_LINK_RATES, + supported_link_rates, sizeof(supported_link_rates)); + + dpcd_rev = link->dpcd_caps.dpcd_rev.raw; + + if (dpcd_rev >= DP_DPCD_REV_13 && + (supported_link_rates[entry+1] != 0 || supported_link_rates[entry] != 0)) { + + for (entry = 0; entry < 16; entry += 2) { + link_rate_in_khz = (supported_link_rates[entry+1] * 0x100 + + supported_link_rates[entry]) * 200; + seq_printf(m, "[%d] %d kHz\n", entry/2, link_rate_in_khz); + } + } else { + seq_printf(m, "ILR is not supported by this eDP panel.\n"); + } + + return 0; +} + +/* + * Set supported customized link rate to eDP panel. + * + * echo <lane_count> <link_rate option> > ilr_setting + * + * for example, supported ILR : [0] 1620000 kHz [1] 2160000 kHz [2] 2430000 kHz ... + * echo 4 1 > /sys/kernel/debug/dri/0/eDP-x/ilr_setting + * to set 4 lanes and 2.16 GHz + */ +static ssize_t edp_ilr_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *connector = file_inode(f)->i_private; + struct dc_link *link = connector->dc_link; + struct amdgpu_device *adev = drm_to_adev(connector->base.dev); + struct dc *dc = (struct dc *)link->dc; + struct dc_link_settings prefer_link_settings; + char *wr_buf = NULL; + const uint32_t wr_buf_size = 40; + /* 0: lane_count; 1: link_rate */ + int max_param_num = 2; + uint8_t param_nums = 0; + long param[2]; + bool valid_input = true; + + if (size == 0) + return -EINVAL; + + wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); + if (!wr_buf) + return -ENOMEM; + + if (parse_write_buffer_into_params(wr_buf, wr_buf_size, + (long *)param, buf, + max_param_num, + ¶m_nums)) { + kfree(wr_buf); + return -EINVAL; + } + + if (param_nums <= 0) { + kfree(wr_buf); + return -EINVAL; + } + + switch (param[0]) { + case LANE_COUNT_ONE: + case LANE_COUNT_TWO: + case LANE_COUNT_FOUR: + break; + default: + valid_input = false; + break; + } + + if (param[1] >= link->dpcd_caps.edp_supported_link_rates_count) + valid_input = false; + + if (!valid_input) { + kfree(wr_buf); + DRM_DEBUG_DRIVER("Invalid Input value. No HW will be programmed\n"); + prefer_link_settings.use_link_rate_set = false; + dc_link_set_preferred_training_settings(dc, NULL, NULL, link, true); + return size; + } + + /* save user force lane_count, link_rate to preferred settings + * spread spectrum will not be changed + */ + prefer_link_settings.link_spread = link->cur_link_settings.link_spread; + prefer_link_settings.lane_count = param[0]; + prefer_link_settings.use_link_rate_set = true; + prefer_link_settings.link_rate_set = param[1]; + prefer_link_settings.link_rate = link->dpcd_caps.edp_supported_link_rates[param[1]]; + + mutex_lock(&adev->dm.dc_lock); + dc_link_set_preferred_training_settings(dc, &prefer_link_settings, + NULL, link, false); + mutex_unlock(&adev->dm.dc_lock); + + kfree(wr_buf); + return size; +} + +static int edp_ilr_open(struct inode *inode, struct file *file) +{ + return single_open(file, edp_ilr_show, inode->i_private); +} + +static const struct file_operations edp_ilr_debugfs_fops = { + .owner = THIS_MODULE, + .open = edp_ilr_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = edp_ilr_write +}; + void connector_debugfs_init(struct amdgpu_dm_connector *connector) { int i; @@ -2726,11 +2901,14 @@ void connector_debugfs_init(struct amdgpu_dm_connector *connector) } } if (connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) { + debugfs_create_file_unsafe("psr_capability", 0444, dir, connector, &psr_capability_fops); debugfs_create_file_unsafe("psr_state", 0444, dir, connector, &psr_fops); debugfs_create_file("amdgpu_current_backlight_pwm", 0444, dir, connector, ¤t_backlight_fops); debugfs_create_file("amdgpu_target_backlight_pwm", 0444, dir, connector, &target_backlight_fops); + debugfs_create_file("ilr_setting", 0644, dir, connector, + &edp_ilr_debugfs_fops); } for (i = 0; i < ARRAY_SIZE(connector_debugfs_entries); i++) { @@ -2909,10 +3087,13 @@ static int crc_win_update_set(void *data, u64 val) struct amdgpu_device *adev = drm_to_adev(new_crtc->dev); struct crc_rd_work *crc_rd_wrk = adev->dm.crc_rd_wrk; + if (!crc_rd_wrk) + return 0; + if (val) { spin_lock_irq(&adev_to_drm(adev)->event_lock); spin_lock_irq(&crc_rd_wrk->crc_rd_work_lock); - if (crc_rd_wrk && crc_rd_wrk->crtc) { + if (crc_rd_wrk->crtc) { old_crtc = crc_rd_wrk->crtc; old_acrtc = to_amdgpu_crtc(old_crtc); } @@ -3190,6 +3371,32 @@ static int disable_hpd_get(void *data, u64 *val) DEFINE_DEBUGFS_ATTRIBUTE(disable_hpd_ops, disable_hpd_get, disable_hpd_set, "%llu\n"); +#if defined(CONFIG_DRM_AMD_DC_DCN) +/* + * Temporary w/a to force sst sequence in M42D DP2 mst receiver + * Example usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_dp_set_mst_en_for_sst + */ +static int dp_force_sst_set(void *data, u64 val) +{ + struct amdgpu_device *adev = data; + + adev->dm.dc->debug.set_mst_en_for_sst = val; + + return 0; +} + +static int dp_force_sst_get(void *data, u64 *val) +{ + struct amdgpu_device *adev = data; + + *val = adev->dm.dc->debug.set_mst_en_for_sst; + + return 0; +} +DEFINE_DEBUGFS_ATTRIBUTE(dp_set_mst_en_for_sst_ops, dp_force_sst_get, + dp_force_sst_set, "%llu\n"); +#endif + /* * Sets the DC visual confirm debug option from the given string. * Example usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_visual_confirm @@ -3299,6 +3506,10 @@ void dtn_debugfs_init(struct amdgpu_device *adev) adev, &mst_topo_fops); debugfs_create_file("amdgpu_dm_dtn_log", 0644, root, adev, &dtn_log_fops); +#if defined(CONFIG_DRM_AMD_DC_DCN) + debugfs_create_file("amdgpu_dm_dp_set_mst_en_for_sst", 0644, root, adev, + &dp_set_mst_en_for_sst_ops); +#endif debugfs_create_file_unsafe("amdgpu_dm_visual_confirm", 0644, root, adev, &visual_confirm_fops); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index 8cbeeb7c986d..29f07c26d080 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -83,16 +83,17 @@ static int amdgpu_dm_patch_edid_caps(struct dc_edid_caps *edid_caps) * void * */ enum dc_edid_status dm_helpers_parse_edid_caps( - struct dc_context *ctx, + struct dc_link *link, const struct dc_edid *edid, struct dc_edid_caps *edid_caps) { + struct amdgpu_dm_connector *aconnector = link->priv; + struct drm_connector *connector = &aconnector->base; struct edid *edid_buf = (struct edid *) edid->raw_edid; struct cea_sad *sads; int sad_count = -1; int sadb_count = -1; int i = 0; - int j = 0; uint8_t *sadb = NULL; enum dc_edid_status result = EDID_OK; @@ -111,23 +112,11 @@ enum dc_edid_status dm_helpers_parse_edid_caps( edid_caps->manufacture_week = edid_buf->mfg_week; edid_caps->manufacture_year = edid_buf->mfg_year; - /* One of the four detailed_timings stores the monitor name. It's - * stored in an array of length 13. */ - for (i = 0; i < 4; i++) { - if (edid_buf->detailed_timings[i].data.other_data.type == 0xfc) { - while (j < 13 && edid_buf->detailed_timings[i].data.other_data.data.str.str[j]) { - if (edid_buf->detailed_timings[i].data.other_data.data.str.str[j] == '\n') - break; - - edid_caps->display_name[j] = - edid_buf->detailed_timings[i].data.other_data.data.str.str[j]; - j++; - } - } - } + drm_edid_get_monitor_name(edid_buf, + edid_caps->display_name, + AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS); - edid_caps->edid_hdmi = drm_detect_hdmi_monitor( - (struct edid *) edid->raw_edid); + edid_caps->edid_hdmi = connector->display_info.is_hdmi; sad_count = drm_edid_to_sad((struct edid *) edid->raw_edid, &sads); if (sad_count <= 0) @@ -584,9 +573,18 @@ bool dm_helpers_dp_write_dsc_enable( ret = drm_dp_dpcd_write(aconnector->dsc_aux, DP_DSC_ENABLE, &enable_dsc, 1); } - if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT) { - ret = dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1); - DC_LOG_DC("Send DSC %s to sst display\n", enable_dsc ? "enable" : "disable"); + if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT || stream->signal == SIGNAL_TYPE_EDP) { +#if defined(CONFIG_DRM_AMD_DC_DCN) + if (stream->sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_NONE) { +#endif + ret = dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1); + DC_LOG_DC("Send DSC %s to SST RX\n", enable_dsc ? "enable" : "disable"); +#if defined(CONFIG_DRM_AMD_DC_DCN) + } else if (stream->sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) { + ret = dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1); + DC_LOG_DC("Send DSC %s to DP-HDMI PCON\n", enable_dsc ? "enable" : "disable"); + } +#endif } return (ret > 0); @@ -650,14 +648,8 @@ enum dc_edid_status dm_helpers_read_local_edid( /* We don't need the original edid anymore */ kfree(edid); - /* connector->display_info will be parsed from EDID and saved - * into drm_connector->display_info from edid by call stack - * below: - * drm_parse_ycbcr420_deep_color_info - * drm_parse_hdmi_forum_vsdb - * drm_parse_cea_ext - * drm_add_display_info - * drm_connector_update_edid_property + /* connector->display_info is parsed from EDID and saved + * into drm_connector->display_info * * drm_connector->display_info will be used by amdgpu_dm funcs, * like fill_stream_properties_from_drm_display_mode @@ -665,7 +657,7 @@ enum dc_edid_status dm_helpers_read_local_edid( amdgpu_dm_update_connector_after_detect(aconnector); edid_status = dm_helpers_parse_edid_caps( - ctx, + link, &sink->dc_edid, &sink->edid_caps); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c index c022e56f9459..c510638b4f99 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c @@ -26,6 +26,73 @@ #include "amdgpu_dm_psr.h" #include "dc.h" #include "dm_helpers.h" +#include "amdgpu_dm.h" + +static bool link_get_psr_caps(struct dc_link *link) +{ + uint8_t psr_dpcd_data[EDP_PSR_RECEIVER_CAP_SIZE]; + uint8_t edp_rev_dpcd_data; + + + + if (!dm_helpers_dp_read_dpcd(NULL, link, DP_PSR_SUPPORT, + psr_dpcd_data, sizeof(psr_dpcd_data))) + return false; + + if (!dm_helpers_dp_read_dpcd(NULL, link, DP_EDP_DPCD_REV, + &edp_rev_dpcd_data, sizeof(edp_rev_dpcd_data))) + return false; + + link->dpcd_caps.psr_caps.psr_version = psr_dpcd_data[0]; + link->dpcd_caps.psr_caps.edp_revision = edp_rev_dpcd_data; + +#ifdef CONFIG_DRM_AMD_DC_DCN + if (link->dpcd_caps.psr_caps.psr_version > 0x1) { + uint8_t alpm_dpcd_data; + uint8_t su_granularity_dpcd_data; + + if (!dm_helpers_dp_read_dpcd(NULL, link, DP_RECEIVER_ALPM_CAP, + &alpm_dpcd_data, sizeof(alpm_dpcd_data))) + return false; + + if (!dm_helpers_dp_read_dpcd(NULL, link, DP_PSR2_SU_Y_GRANULARITY, + &su_granularity_dpcd_data, sizeof(su_granularity_dpcd_data))) + return false; + + link->dpcd_caps.psr_caps.y_coordinate_required = psr_dpcd_data[1] & DP_PSR2_SU_Y_COORDINATE_REQUIRED; + link->dpcd_caps.psr_caps.su_granularity_required = psr_dpcd_data[1] & DP_PSR2_SU_GRANULARITY_REQUIRED; + + link->dpcd_caps.psr_caps.alpm_cap = alpm_dpcd_data & DP_ALPM_CAP; + link->dpcd_caps.psr_caps.standby_support = alpm_dpcd_data & (1 << 1); + + link->dpcd_caps.psr_caps.su_y_granularity = su_granularity_dpcd_data; + } +#endif + return true; +} + +#ifdef CONFIG_DRM_AMD_DC_DCN +static bool link_supports_psrsu(struct dc_link *link) +{ + struct dc *dc = link->ctx->dc; + + if (!dc->caps.dmcub_support) + return false; + + if (dc->ctx->dce_version < DCN_VERSION_3_1) + return false; + + if (!link->dpcd_caps.psr_caps.alpm_cap || + !link->dpcd_caps.psr_caps.y_coordinate_required) + return false; + + if (link->dpcd_caps.psr_caps.su_granularity_required && + !link->dpcd_caps.psr_caps.su_y_granularity) + return false; + + return true; +} +#endif /* * amdgpu_dm_set_psr_caps() - set link psr capabilities @@ -34,26 +101,34 @@ */ void amdgpu_dm_set_psr_caps(struct dc_link *link) { - uint8_t dpcd_data[EDP_PSR_RECEIVER_CAP_SIZE]; - if (!(link->connector_signal & SIGNAL_TYPE_EDP)) return; + if (link->type == dc_connection_none) return; - if (dm_helpers_dp_read_dpcd(NULL, link, DP_PSR_SUPPORT, - dpcd_data, sizeof(dpcd_data))) { - link->dpcd_caps.psr_caps.psr_version = dpcd_data[0]; - - if (dpcd_data[0] == 0) { - link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED; - link->psr_settings.psr_feature_enabled = false; - } else { + + if (!link_get_psr_caps(link)) { + DRM_ERROR("amdgpu: Failed to read PSR Caps!\n"); + return; + } + + if (link->dpcd_caps.psr_caps.psr_version == 0) { + link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED; + link->psr_settings.psr_feature_enabled = false; + + } else { +#ifdef CONFIG_DRM_AMD_DC_DCN + if (link_supports_psrsu(link)) + link->psr_settings.psr_version = DC_PSR_VERSION_SU_1; + else +#endif link->psr_settings.psr_version = DC_PSR_VERSION_1; - link->psr_settings.psr_feature_enabled = true; - } - DRM_INFO("PSR support:%d\n", link->psr_settings.psr_feature_enabled); + link->psr_settings.psr_feature_enabled = true; } + + DRM_INFO("PSR support:%d\n", link->psr_settings.psr_feature_enabled); + } /* |