diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 42 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_pci.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_frontbuffer.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_psr.c | 248 |
6 files changed, 27 insertions, 270 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index e9b1b8df6ef5..a8e7761cdc7d 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2643,8 +2643,6 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) { struct drm_i915_private *dev_priv = node_to_i915(m->private); u32 psrperf = 0; - u32 stat[3]; - enum pipe pipe; bool enabled = false; bool sink_support; @@ -2665,47 +2663,17 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) seq_printf(m, "Re-enable work scheduled: %s\n", yesno(work_busy(&dev_priv->psr.work.work))); - if (HAS_DDI(dev_priv)) { - if (dev_priv->psr.psr2_enabled) - enabled = I915_READ(EDP_PSR2_CTL) & EDP_PSR2_ENABLE; - else - enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE; - } else { - for_each_pipe(dev_priv, pipe) { - enum transcoder cpu_transcoder = - intel_pipe_to_cpu_transcoder(dev_priv, pipe); - enum intel_display_power_domain power_domain; - - power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); - if (!intel_display_power_get_if_enabled(dev_priv, - power_domain)) - continue; - - stat[pipe] = I915_READ(VLV_PSRSTAT(pipe)) & - VLV_EDP_PSR_CURR_STATE_MASK; - if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || - (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) - enabled = true; - - intel_display_power_put(dev_priv, power_domain); - } - } + if (dev_priv->psr.psr2_enabled) + enabled = I915_READ(EDP_PSR2_CTL) & EDP_PSR2_ENABLE; + else + enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE; seq_printf(m, "Main link in standby mode: %s\n", yesno(dev_priv->psr.link_standby)); - seq_printf(m, "HW Enabled & Active bit: %s", yesno(enabled)); - - if (!HAS_DDI(dev_priv)) - for_each_pipe(dev_priv, pipe) { - if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || - (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) - seq_printf(m, " pipe %c", pipe_name(pipe)); - } - seq_puts(m, "\n"); + seq_printf(m, "HW Enabled & Active bit: %s\n", yesno(enabled)); /* - * VLV/CHV PSR has no kind of performance counter * SKL+ Perf counter is reset to 0 everytime DC state is entered */ if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) { diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a7a563ed0fd8..487922f88b76 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -607,7 +607,6 @@ struct i915_psr { bool link_standby; bool colorimetry_support; bool alpm; - bool has_hw_tracking; bool psr2_enabled; u8 sink_sync_latency; bool debug; diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 4364922e935d..97a91e6af7e3 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -340,7 +340,6 @@ static const struct intel_device_info intel_valleyview_info = { GEN(7), .is_lp = 1, .num_pipes = 2, - .has_psr = 1, .has_runtime_pm = 1, .has_rc6 = 1, .has_gmch_display = 1, @@ -433,7 +432,6 @@ static const struct intel_device_info intel_cherryview_info = { .is_lp = 1, .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, .has_64bit_reloc = 1, - .has_psr = 1, .has_runtime_pm = 1, .has_resource_streamer = 1, .has_rc6 = 1, diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 2855363f5b6c..fd6256632482 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1917,8 +1917,6 @@ void intel_psr_flush(struct drm_i915_private *dev_priv, unsigned frontbuffer_bits, enum fb_op_origin origin); void intel_psr_init(struct drm_i915_private *dev_priv); -void intel_psr_single_frame_update(struct drm_i915_private *dev_priv, - unsigned frontbuffer_bits); void intel_psr_compute_config(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state); void intel_psr_irq_control(struct drm_i915_private *dev_priv, bool debug); diff --git a/drivers/gpu/drm/i915/intel_frontbuffer.c b/drivers/gpu/drm/i915/intel_frontbuffer.c index 7fff0a0eceb4..c3379bde266f 100644 --- a/drivers/gpu/drm/i915/intel_frontbuffer.c +++ b/drivers/gpu/drm/i915/intel_frontbuffer.c @@ -153,8 +153,6 @@ void intel_frontbuffer_flip_prepare(struct drm_i915_private *dev_priv, /* Remove stale busy bits due to the old buffer. */ dev_priv->fb_tracking.busy_bits &= ~frontbuffer_bits; spin_unlock(&dev_priv->fb_tracking.lock); - - intel_psr_single_frame_update(dev_priv, frontbuffer_bits); } /** diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index d64f03949d9a..c08e4b4c07e1 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -97,10 +97,6 @@ void intel_psr_irq_control(struct drm_i915_private *dev_priv, bool debug) { u32 debug_mask, mask; - /* No PSR interrupts on VLV/CHV */ - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - return; - mask = EDP_PSR_ERROR(TRANSCODER_EDP); debug_mask = EDP_PSR_POST_EXIT(TRANSCODER_EDP) | EDP_PSR_PRE_ENTRY(TRANSCODER_EDP); @@ -284,31 +280,6 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) } } -static bool vlv_is_psr_active_on_pipe(struct drm_device *dev, int pipe) -{ - struct drm_i915_private *dev_priv = to_i915(dev); - uint32_t val; - - val = I915_READ(VLV_PSRSTAT(pipe)) & - VLV_EDP_PSR_CURR_STATE_MASK; - return (val == VLV_EDP_PSR_ACTIVE_NORFB_UP) || - (val == VLV_EDP_PSR_ACTIVE_SF_UPDATE); -} - -static void vlv_psr_setup_vsc(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - uint32_t val; - - /* VLV auto-generate VSC package as per EDP 1.3 spec, Table 3.10 */ - val = I915_READ(VLV_VSCSDP(crtc->pipe)); - val &= ~VLV_EDP_PSR_SDP_FREQ_MASK; - val |= VLV_EDP_PSR_SDP_FREQ_EVFRAME; - I915_WRITE(VLV_VSCSDP(crtc->pipe), val); -} - static void hsw_psr_setup_vsc(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { @@ -341,12 +312,6 @@ static void hsw_psr_setup_vsc(struct intel_dp *intel_dp, DP_SDP_VSC, &psr_vsc, sizeof(psr_vsc)); } -static void vlv_psr_enable_sink(struct intel_dp *intel_dp) -{ - drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, - DP_PSR_ENABLE | DP_PSR_MAIN_LINK_ACTIVE); -} - static void hsw_psr_setup_aux(struct intel_dp *intel_dp) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); @@ -403,38 +368,6 @@ static void hsw_psr_enable_sink(struct intel_dp *intel_dp) drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, DP_SET_POWER_D0); } -static void vlv_psr_enable_source(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); - - /* Transition from PSR_state 0 (disabled) to PSR_state 1 (inactive) */ - I915_WRITE(VLV_PSRCTL(crtc->pipe), - VLV_EDP_PSR_MODE_SW_TIMER | - VLV_EDP_PSR_SRC_TRANSMITTER_STATE | - VLV_EDP_PSR_ENABLE); -} - -static void vlv_psr_activate(struct intel_dp *intel_dp) -{ - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct drm_device *dev = dig_port->base.base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - struct drm_crtc *crtc = dig_port->base.base.crtc; - enum pipe pipe = to_intel_crtc(crtc)->pipe; - - /* - * Let's do the transition from PSR_state 1 (inactive) to - * PSR_state 2 (transition to active - static frame transmission). - * Then Hardware is responsible for the transition to - * PSR_state 3 (active - no Remote Frame Buffer (RFB) update). - */ - I915_WRITE(VLV_PSRCTL(pipe), I915_READ(VLV_PSRCTL(pipe)) | - VLV_EDP_PSR_ACTIVE_ENTRY); -} - static void hsw_activate_psr1(struct intel_dp *intel_dp) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); @@ -603,17 +536,11 @@ void intel_psr_compute_config(struct intel_dp *intel_dp, * ones. Since by Display design transcoder EDP is tied to port A * we can safely escape based on the port A. */ - if (HAS_DDI(dev_priv) && dig_port->base.port != PORT_A) { + if (dig_port->base.port != PORT_A) { DRM_DEBUG_KMS("PSR condition failed: Port not supported\n"); return; } - if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) && - !dev_priv->psr.link_standby) { - DRM_ERROR("PSR condition failed: Link off requested but not supported on this platform\n"); - return; - } - if (IS_HASWELL(dev_priv) && I915_READ(HSW_STEREO_3D_CTL(crtc_state->cpu_transcoder)) & S3D_ENABLE) { @@ -761,7 +688,6 @@ void intel_psr_enable(struct intel_dp *intel_dp, * enabled. * However on some platforms we face issues when first * activation follows a modeset so quickly. - * - On VLV/CHV we get bank screen on first activation * - On HSW/BDW we get a recoverable frozen screen until * next exit-activate sequence. */ @@ -773,36 +699,6 @@ unlock: mutex_unlock(&dev_priv->psr.lock); } -static void vlv_psr_disable(struct intel_dp *intel_dp, - const struct intel_crtc_state *old_crtc_state) -{ - struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); - struct drm_device *dev = intel_dig_port->base.base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); - uint32_t val; - - if (dev_priv->psr.active) { - /* Put VLV PSR back to PSR_state 0 (disabled). */ - if (intel_wait_for_register(dev_priv, - VLV_PSRSTAT(crtc->pipe), - VLV_EDP_PSR_IN_TRANS, - 0, - 1)) - WARN(1, "PSR transition took longer than expected\n"); - - val = I915_READ(VLV_PSRCTL(crtc->pipe)); - val &= ~VLV_EDP_PSR_ACTIVE_ENTRY; - val &= ~VLV_EDP_PSR_ENABLE; - val &= ~VLV_EDP_PSR_MODE_MASK; - I915_WRITE(VLV_PSRCTL(crtc->pipe), val); - - dev_priv->psr.active = false; - } else { - WARN_ON(vlv_is_psr_active_on_pipe(dev, crtc->pipe)); - } -} - static void hsw_psr_disable(struct intel_dp *intel_dp, const struct intel_crtc_state *old_crtc_state) { @@ -895,21 +791,12 @@ static bool psr_wait_for_idle(struct drm_i915_private *dev_priv) if (!intel_dp) return false; - if (HAS_DDI(dev_priv)) { - if (dev_priv->psr.psr2_enabled) { - reg = EDP_PSR2_STATUS; - mask = EDP_PSR2_STATUS_STATE_MASK; - } else { - reg = EDP_PSR_STATUS; - mask = EDP_PSR_STATUS_STATE_MASK; - } + if (dev_priv->psr.psr2_enabled) { + reg = EDP_PSR2_STATUS; + mask = EDP_PSR2_STATUS_STATE_MASK; } else { - struct drm_crtc *crtc = - dp_to_dig_port(intel_dp)->base.base.crtc; - enum pipe pipe = to_intel_crtc(crtc)->pipe; - - reg = VLV_PSRSTAT(pipe); - mask = VLV_EDP_PSR_IN_TRANS; + reg = EDP_PSR_STATUS; + mask = EDP_PSR_STATUS_STATE_MASK; } mutex_unlock(&dev_priv->psr.lock); @@ -954,103 +841,24 @@ unlock: static void intel_psr_exit(struct drm_i915_private *dev_priv) { - struct intel_dp *intel_dp = dev_priv->psr.enabled; - struct drm_crtc *crtc = dp_to_dig_port(intel_dp)->base.base.crtc; - enum pipe pipe = to_intel_crtc(crtc)->pipe; u32 val; if (!dev_priv->psr.active) return; - if (HAS_DDI(dev_priv)) { - if (dev_priv->psr.psr2_enabled) { - val = I915_READ(EDP_PSR2_CTL); - WARN_ON(!(val & EDP_PSR2_ENABLE)); - I915_WRITE(EDP_PSR2_CTL, val & ~EDP_PSR2_ENABLE); - } else { - val = I915_READ(EDP_PSR_CTL); - WARN_ON(!(val & EDP_PSR_ENABLE)); - I915_WRITE(EDP_PSR_CTL, val & ~EDP_PSR_ENABLE); - } + if (dev_priv->psr.psr2_enabled) { + val = I915_READ(EDP_PSR2_CTL); + WARN_ON(!(val & EDP_PSR2_ENABLE)); + I915_WRITE(EDP_PSR2_CTL, val & ~EDP_PSR2_ENABLE); } else { - val = I915_READ(VLV_PSRCTL(pipe)); - - /* - * Here we do the transition drirectly from - * PSR_state 3 (active - no Remote Frame Buffer (RFB) update) to - * PSR_state 5 (exit). - * PSR State 4 (active with single frame update) can be skipped. - * On PSR_state 5 (exit) Hardware is responsible to transition - * back to PSR_state 1 (inactive). - * Now we are at Same state after vlv_psr_enable_source. - */ - val &= ~VLV_EDP_PSR_ACTIVE_ENTRY; - I915_WRITE(VLV_PSRCTL(pipe), val); - - /* - * Send AUX wake up - Spec says after transitioning to PSR - * active we have to send AUX wake up by writing 01h in DPCD - * 600h of sink device. - * XXX: This might slow down the transition, but without this - * HW doesn't complete the transition to PSR_state 1 and we - * never get the screen updated. - */ - drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, - DP_SET_POWER_D0); + val = I915_READ(EDP_PSR_CTL); + WARN_ON(!(val & EDP_PSR_ENABLE)); + I915_WRITE(EDP_PSR_CTL, val & ~EDP_PSR_ENABLE); } - dev_priv->psr.active = false; } /** - * intel_psr_single_frame_update - Single Frame Update - * @dev_priv: i915 device - * @frontbuffer_bits: frontbuffer plane tracking bits - * - * Some platforms support a single frame update feature that is used to - * send and update only one frame on Remote Frame Buffer. - * So far it is only implemented for Valleyview and Cherryview because - * hardware requires this to be done before a page flip. - */ -void intel_psr_single_frame_update(struct drm_i915_private *dev_priv, - unsigned frontbuffer_bits) -{ - struct drm_crtc *crtc; - enum pipe pipe; - u32 val; - - if (!CAN_PSR(dev_priv)) - return; - - /* - * Single frame update is already supported on BDW+ but it requires - * many W/A and it isn't really needed. - */ - if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv)) - return; - - mutex_lock(&dev_priv->psr.lock); - if (!dev_priv->psr.enabled) { - mutex_unlock(&dev_priv->psr.lock); - return; - } - - crtc = dp_to_dig_port(dev_priv->psr.enabled)->base.base.crtc; - pipe = to_intel_crtc(crtc)->pipe; - - if (frontbuffer_bits & INTEL_FRONTBUFFER_ALL_MASK(pipe)) { - val = I915_READ(VLV_PSRCTL(pipe)); - - /* - * We need to set this bit before writing registers for a flip. - * This bit will be self-clear when it gets to the PSR active state. - */ - I915_WRITE(VLV_PSRCTL(pipe), val | VLV_EDP_PSR_SINGLE_FRAME_UPDATE); - } - mutex_unlock(&dev_priv->psr.lock); -} - -/** * intel_psr_invalidate - Invalidade PSR * @dev_priv: i915 device * @frontbuffer_bits: frontbuffer plane tracking bits @@ -1072,7 +880,7 @@ void intel_psr_invalidate(struct drm_i915_private *dev_priv, if (!CAN_PSR(dev_priv)) return; - if (dev_priv->psr.has_hw_tracking && origin == ORIGIN_FLIP) + if (origin == ORIGIN_FLIP) return; mutex_lock(&dev_priv->psr.lock); @@ -1115,7 +923,7 @@ void intel_psr_flush(struct drm_i915_private *dev_priv, if (!CAN_PSR(dev_priv)) return; - if (dev_priv->psr.has_hw_tracking && origin == ORIGIN_FLIP) + if (origin == ORIGIN_FLIP) return; mutex_lock(&dev_priv->psr.lock); @@ -1132,8 +940,7 @@ void intel_psr_flush(struct drm_i915_private *dev_priv, /* By definition flush = invalidate + flush */ if (frontbuffer_bits) { - if (dev_priv->psr.psr2_enabled || - IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { + if (dev_priv->psr.psr2_enabled) { intel_psr_exit(dev_priv); } else { /* @@ -1185,9 +992,6 @@ void intel_psr_init(struct drm_i915_private *dev_priv) if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) /* HSW and BDW require workarounds that we don't implement. */ dev_priv->psr.link_standby = false; - else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - /* On VLV and CHV only standby mode is supported. */ - dev_priv->psr.link_standby = true; else /* For new platforms let's respect VBT back again */ dev_priv->psr.link_standby = dev_priv->vbt.psr.full_link; @@ -1205,18 +1009,10 @@ void intel_psr_init(struct drm_i915_private *dev_priv) INIT_DELAYED_WORK(&dev_priv->psr.work, intel_psr_work); mutex_init(&dev_priv->psr.lock); - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { - dev_priv->psr.enable_source = vlv_psr_enable_source; - dev_priv->psr.disable_source = vlv_psr_disable; - dev_priv->psr.enable_sink = vlv_psr_enable_sink; - dev_priv->psr.activate = vlv_psr_activate; - dev_priv->psr.setup_vsc = vlv_psr_setup_vsc; - } else { - dev_priv->psr.has_hw_tracking = true; - dev_priv->psr.enable_source = hsw_psr_enable_source; - dev_priv->psr.disable_source = hsw_psr_disable; - dev_priv->psr.enable_sink = hsw_psr_enable_sink; - dev_priv->psr.activate = hsw_psr_activate; - dev_priv->psr.setup_vsc = hsw_psr_setup_vsc; - } + dev_priv->psr.enable_source = hsw_psr_enable_source; + dev_priv->psr.disable_source = hsw_psr_disable; + dev_priv->psr.enable_sink = hsw_psr_enable_sink; + dev_priv->psr.activate = hsw_psr_activate; + dev_priv->psr.setup_vsc = hsw_psr_setup_vsc; + } |