diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 229 |
1 files changed, 120 insertions, 109 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 5b0f708dd8c5..d8224156460e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -978,6 +978,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) /* Update the actual used number of crtc */ adev->mode_info.num_crtc = adev->dm.display_indexes_num; + /* create fake encoders for MST */ + dm_dp_create_fake_mst_encoders(adev); + /* TODO: Add_display_info? */ /* TODO use dynamic cursor width */ @@ -1001,6 +1004,12 @@ error: static void amdgpu_dm_fini(struct amdgpu_device *adev) { + int i; + + for (i = 0; i < adev->dm.display_indexes_num; i++) { + drm_encoder_cleanup(&adev->dm.mst_encoders[i].base); + } + amdgpu_dm_audio_fini(adev); amdgpu_dm_destroy_drm_device(&adev->dm); @@ -1076,6 +1085,7 @@ static int load_dmcu_fw(struct amdgpu_device *adev) case CHIP_RENOIR: #if defined(CONFIG_DRM_AMD_DC_DCN3_0) case CHIP_SIENNA_CICHLID: + case CHIP_NAVY_FLOUNDER: #endif return 0; case CHIP_NAVI12: @@ -1175,6 +1185,7 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev) break; #if defined(CONFIG_DRM_AMD_DC_DCN3_0) case CHIP_SIENNA_CICHLID: + case CHIP_NAVY_FLOUNDER: dmub_asic = DMUB_ASIC_DCN30; fw_name_dmub = FIRMWARE_SIENNA_CICHLID_DMUB; break; @@ -2019,6 +2030,7 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector) struct amdgpu_display_manager *dm; struct drm_connector *conn_base; struct amdgpu_device *adev; + struct dc_link *link = NULL; static const u8 pre_computed_values[] = { 50, 51, 52, 53, 55, 56, 57, 58, 59, 61, 62, 63, 65, 66, 68, 69, 71, 72, 74, 75, 77, 79, 81, 82, 84, 86, 88, 90, 92, 94, 96, 98}; @@ -2026,6 +2038,10 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector) if (!aconnector || !aconnector->dc_link) return; + link = aconnector->dc_link; + if (link->connector_signal != SIGNAL_TYPE_EDP) + return; + conn_base = &aconnector->base; adev = conn_base->dev->dev_private; dm = &adev->dm; @@ -3216,6 +3232,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) case CHIP_RENOIR: #if defined(CONFIG_DRM_AMD_DC_DCN3_0) case CHIP_SIENNA_CICHLID: + case CHIP_NAVY_FLOUNDER: #endif if (dcn10_register_irq_handlers(dm->adev)) { DRM_ERROR("DM: Failed to initialize IRQ\n"); @@ -3373,6 +3390,7 @@ static int dm_early_init(void *handle) case CHIP_NAVI12: #if defined(CONFIG_DRM_AMD_DC_DCN3_0) case CHIP_SIENNA_CICHLID: + case CHIP_NAVY_FLOUNDER: #endif adev->mode_info.num_crtc = 6; adev->mode_info.num_hpd = 6; @@ -3696,6 +3714,7 @@ fill_plane_buffer_attributes(struct amdgpu_device *adev, adev->asic_type == CHIP_NAVI12 || #if defined(CONFIG_DRM_AMD_DC_DCN3_0) adev->asic_type == CHIP_SIENNA_CICHLID || + adev->asic_type == CHIP_NAVY_FLOUNDER || #endif adev->asic_type == CHIP_RENOIR || adev->asic_type == CHIP_RAVEN) { @@ -3717,9 +3736,9 @@ fill_plane_buffer_attributes(struct amdgpu_device *adev, tiling_info->gfx9.shaderEnable = 1; #ifdef CONFIG_DRM_AMD_DC_DCN3_0 - if (adev->asic_type == CHIP_SIENNA_CICHLID) + if (adev->asic_type == CHIP_SIENNA_CICHLID || + adev->asic_type == CHIP_NAVY_FLOUNDER) tiling_info->gfx9.num_pkrs = adev->gfx.config.gb_addr_config_fields.num_pkrs; - #endif ret = fill_plane_dcc_attributes(adev, afb, format, rotation, plane_size, tiling_info, @@ -4556,24 +4575,20 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector, if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) mod_build_hf_vsif_infopacket(stream, &stream->vsp_infopacket, false, false); - if (stream->link->psr_settings.psr_feature_enabled) { - struct dc *core_dc = stream->link->ctx->dc; - - if (dc_is_dmcu_initialized(core_dc)) { - // - // should decide stream support vsc sdp colorimetry capability - // before building vsc info packet - // - stream->use_vsc_sdp_for_colorimetry = false; - if (aconnector->dc_sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { - stream->use_vsc_sdp_for_colorimetry = - aconnector->dc_sink->is_vsc_sdp_colorimetry_supported; - } else { - if (stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED) - stream->use_vsc_sdp_for_colorimetry = true; - } - mod_build_vsc_infopacket(stream, &stream->vsc_infopacket); + if (stream->link->psr_settings.psr_feature_enabled) { + // + // should decide stream support vsc sdp colorimetry capability + // before building vsc info packet + // + stream->use_vsc_sdp_for_colorimetry = false; + if (aconnector->dc_sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { + stream->use_vsc_sdp_for_colorimetry = + aconnector->dc_sink->is_vsc_sdp_colorimetry_supported; + } else { + if (stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED) + stream->use_vsc_sdp_for_colorimetry = true; } + mod_build_vsc_infopacket(stream, &stream->vsc_infopacket); } finish: dc_sink_release(sink); @@ -4639,7 +4654,6 @@ dm_crtc_duplicate_state(struct drm_crtc *crtc) } state->active_planes = cur->active_planes; - state->interrupts_enabled = cur->interrupts_enabled; state->vrr_params = cur->vrr_params; state->vrr_infopacket = cur->vrr_infopacket; state->abm_level = cur->abm_level; @@ -5300,29 +5314,19 @@ static int count_crtc_active_planes(struct drm_crtc_state *new_crtc_state) return num_active; } -/* - * Sets whether interrupts should be enabled on a specific CRTC. - * We require that the stream be enabled and that there exist active - * DC planes on the stream. - */ -static void -dm_update_crtc_interrupt_state(struct drm_crtc *crtc, - struct drm_crtc_state *new_crtc_state) +static void dm_update_crtc_active_planes(struct drm_crtc *crtc, + struct drm_crtc_state *new_crtc_state) { struct dm_crtc_state *dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); dm_new_crtc_state->active_planes = 0; - dm_new_crtc_state->interrupts_enabled = false; if (!dm_new_crtc_state->stream) return; dm_new_crtc_state->active_planes = count_crtc_active_planes(new_crtc_state); - - dm_new_crtc_state->interrupts_enabled = - dm_new_crtc_state->active_planes > 0; } static int dm_crtc_helper_atomic_check(struct drm_crtc *crtc, @@ -5333,13 +5337,7 @@ static int dm_crtc_helper_atomic_check(struct drm_crtc *crtc, struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(state); int ret = -EINVAL; - /* - * Update interrupt state for the CRTC. This needs to happen whenever - * the CRTC has changed or whenever any of its planes have changed. - * Atomic check satisfies both of these requirements since the CRTC - * is added to the state by DRM during drm_atomic_helper_check_planes. - */ - dm_update_crtc_interrupt_state(crtc, state); + dm_update_crtc_active_planes(crtc, state); if (unlikely(!dm_crtc_state->stream && modeset_required(state, NULL, dm_crtc_state->stream))) { @@ -5864,6 +5862,7 @@ static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm, uint32_t formats[32]; int num_formats; int res = -EPERM; + unsigned int supported_rotations; num_formats = get_plane_formats(plane, plane_cap, formats, ARRAY_SIZE(formats)); @@ -5898,6 +5897,13 @@ static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm, DRM_COLOR_YCBCR_BT709, DRM_COLOR_YCBCR_LIMITED_RANGE); } + supported_rotations = + DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 | + DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270; + + drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0, + supported_rotations); + drm_plane_helper_add(plane, &dm_plane_helper_funcs); /* Create (reset) the plane state */ @@ -6442,8 +6448,10 @@ static void manage_dm_interrupts(struct amdgpu_device *adev, bool enable) { /* - * this is not correct translation but will work as soon as VBLANK - * constant is the same as PFLIP + * We have no guarantee that the frontend index maps to the same + * backend index - some even map to more than one. + * + * TODO: Use a different interrupt or check DC itself for the mapping. */ int irq_type = amdgpu_display_crtc_idx_to_irq_type( @@ -6466,6 +6474,19 @@ static void manage_dm_interrupts(struct amdgpu_device *adev, } } +static void dm_update_pflip_irq_state(struct amdgpu_device *adev, + struct amdgpu_crtc *acrtc) +{ + int irq_type = + amdgpu_display_crtc_idx_to_irq_type(adev, acrtc->crtc_id); + + /** + * This reads the current state for the IRQ and force reapplies + * the setting to hardware. + */ + amdgpu_irq_update(adev, &adev->pageflip_irq, irq_type); +} + static bool is_scaling_state_different(const struct dm_connector_state *dm_state, const struct dm_connector_state *old_dm_state) @@ -7050,7 +7071,16 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, usleep_range(1000, 1100); } - if (acrtc_attach->base.state->event) { + /** + * Prepare the flip event for the pageflip interrupt to handle. + * + * This only works in the case where we've already turned on the + * appropriate hardware blocks (eg. HUBP) so in the transition case + * from 0 -> n planes we have to skip a hardware generated event + * and rely on sending it from software. + */ + if (acrtc_attach->base.state->event && + acrtc_state->active_planes > 0) { drm_crtc_vblank_get(pcrtc); spin_lock_irqsave(&pcrtc->dev->event_lock, flags); @@ -7119,6 +7149,24 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, &bundle->stream_update, dc_state); + /** + * Enable or disable the interrupts on the backend. + * + * Most pipes are put into power gating when unused. + * + * When power gating is enabled on a pipe we lose the + * interrupt enablement state when power gating is disabled. + * + * So we need to update the IRQ control state in hardware + * whenever the pipe turns on (since it could be previously + * power gated) or off (since some pipes can't be power gated + * on some ASICs). + */ + if (dm_old_crtc_state->active_planes != acrtc_state->active_planes) + dm_update_pflip_irq_state( + (struct amdgpu_device *)dev->dev_private, + acrtc_attach); + if ((acrtc_state->update_type > UPDATE_TYPE_FAST) && acrtc_state->stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED && !acrtc_state->stream->link->psr_settings.psr_feature_enabled) @@ -7220,64 +7268,6 @@ static void amdgpu_dm_commit_audio(struct drm_device *dev, } /* - * Enable interrupts on CRTCs that are newly active, undergone - * a modeset, or have active planes again. - * - * Done in two passes, based on the for_modeset flag: - * Pass 1: For CRTCs going through modeset - * Pass 2: For CRTCs going from 0 to n active planes - * - * Interrupts can only be enabled after the planes are programmed, - * so this requires a two-pass approach since we don't want to - * just defer the interrupts until after commit planes every time. - */ -static void amdgpu_dm_enable_crtc_interrupts(struct drm_device *dev, - struct drm_atomic_state *state, - bool for_modeset) -{ - struct amdgpu_device *adev = dev->dev_private; - struct drm_crtc *crtc; - struct drm_crtc_state *old_crtc_state, *new_crtc_state; - int i; -#ifdef CONFIG_DEBUG_FS - enum amdgpu_dm_pipe_crc_source source; -#endif - - for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, - new_crtc_state, i) { - struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); - struct dm_crtc_state *dm_new_crtc_state = - to_dm_crtc_state(new_crtc_state); - struct dm_crtc_state *dm_old_crtc_state = - to_dm_crtc_state(old_crtc_state); - bool modeset = drm_atomic_crtc_needs_modeset(new_crtc_state); - bool run_pass; - - run_pass = (for_modeset && modeset) || - (!for_modeset && !modeset && - !dm_old_crtc_state->interrupts_enabled); - - if (!run_pass) - continue; - - if (!dm_new_crtc_state->interrupts_enabled) - continue; - - manage_dm_interrupts(adev, acrtc, true); - -#ifdef CONFIG_DEBUG_FS - /* The stream has changed so CRC capture needs to re-enabled. */ - source = dm_new_crtc_state->crc_src; - if (amdgpu_dm_is_valid_crc_source(source)) { - amdgpu_dm_crtc_configure_crc_source( - crtc, dm_new_crtc_state, - dm_new_crtc_state->crc_src); - } -#endif - } -} - -/* * amdgpu_dm_crtc_copy_transient_flags - copy mirrored flags from DRM to DC * @crtc_state: the DRM CRTC state * @stream_state: the DC stream state. @@ -7316,12 +7306,10 @@ static int amdgpu_dm_atomic_commit(struct drm_device *dev, * in atomic check. */ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { - struct dm_crtc_state *dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); - struct dm_crtc_state *dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); - if (dm_old_crtc_state->interrupts_enabled && - (!dm_new_crtc_state->interrupts_enabled || + if (old_crtc_state->active && + (!new_crtc_state->active || drm_atomic_crtc_needs_modeset(new_crtc_state))) manage_dm_interrupts(adev, acrtc, false); } @@ -7600,8 +7588,34 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) dm_new_crtc_state); } - /* Enable interrupts for CRTCs going through a modeset. */ - amdgpu_dm_enable_crtc_interrupts(dev, state, true); + /** + * Enable interrupts for CRTCs that are newly enabled or went through + * a modeset. It was intentionally deferred until after the front end + * state was modified to wait until the OTG was on and so the IRQ + * handlers didn't access stale or invalid state. + */ + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { + struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); + + if (new_crtc_state->active && + (!old_crtc_state->active || + drm_atomic_crtc_needs_modeset(new_crtc_state))) { + manage_dm_interrupts(adev, acrtc, true); +#ifdef CONFIG_DEBUG_FS + /** + * Frontend may have changed so reapply the CRC capture + * settings for the stream. + */ + dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + + if (amdgpu_dm_is_valid_crc_source(dm_new_crtc_state->crc_src)) { + amdgpu_dm_crtc_configure_crc_source( + crtc, dm_new_crtc_state, + dm_new_crtc_state->crc_src); + } +#endif + } + } for_each_new_crtc_in_state(state, crtc, new_crtc_state, j) if (new_crtc_state->async_flip) @@ -7616,9 +7630,6 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) dm, crtc, wait_for_vblank); } - /* Enable interrupts for CRTCs going from 0 to n active planes. */ - amdgpu_dm_enable_crtc_interrupts(dev, state, false); - /* Update audio instances for each connector. */ amdgpu_dm_commit_audio(dev, state); |