From: Rodrigo Vivi Date: Thu, 3 Oct 2013 19:15:06 +0000 (-0300) Subject: drm/i915: Simplify PSR debugfs X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a031d709bb90ce72cc016d242e8c1fef65ae9d5c;p=linux-beck.git drm/i915: Simplify PSR debugfs for igt test case. v2: remove trailing spaces and fix conflicts Signed-off-by: Rodrigo Vivi [danvet: - make it comipile - s/IS_HASWELL/HAS_PSR/] Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index bc5c04d5890f..61fd61969e21 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1666,127 +1666,20 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) struct drm_info_node *node = m->private; struct drm_device *dev = node->minor->dev; struct drm_i915_private *dev_priv = dev->dev_private; - u32 psrstat, psrperf; + u32 psrperf = 0; + bool enabled = false; - if (!HAS_PSR(dev)) { - seq_puts(m, "PSR not supported on this platform\n"); - } else if (HAS_PSR(dev) && - I915_READ(EDP_PSR_CTL(dev)) & EDP_PSR_ENABLE) { - seq_puts(m, "PSR enabled\n"); - } else { - seq_puts(m, "PSR disabled: "); - switch (dev_priv->no_psr_reason) { - case PSR_NO_SOURCE: - seq_puts(m, "not supported on this platform"); - break; - case PSR_NO_SINK: - seq_puts(m, "not supported by panel"); - break; - case PSR_MODULE_PARAM: - seq_puts(m, "disabled by flag"); - break; - case PSR_CRTC_NOT_ACTIVE: - seq_puts(m, "crtc not active"); - break; - case PSR_PWR_WELL_ENABLED: - seq_puts(m, "power well enabled"); - break; - case PSR_NOT_TILED: - seq_puts(m, "not tiled"); - break; - case PSR_SPRITE_ENABLED: - seq_puts(m, "sprite enabled"); - break; - case PSR_S3D_ENABLED: - seq_puts(m, "stereo 3d enabled"); - break; - case PSR_INTERLACED_ENABLED: - seq_puts(m, "interlaced enabled"); - break; - case PSR_HSW_NOT_DDIA: - seq_puts(m, "HSW ties PSR to DDI A (eDP)"); - break; - default: - seq_puts(m, "unknown reason"); - } - seq_puts(m, "\n"); - return 0; - } - - psrstat = I915_READ(EDP_PSR_STATUS_CTL(dev)); - - seq_puts(m, "PSR Current State: "); - switch (psrstat & EDP_PSR_STATUS_STATE_MASK) { - case EDP_PSR_STATUS_STATE_IDLE: - seq_puts(m, "Reset state\n"); - break; - case EDP_PSR_STATUS_STATE_SRDONACK: - seq_puts(m, "Wait for TG/Stream to send on frame of data after SRD conditions are met\n"); - break; - case EDP_PSR_STATUS_STATE_SRDENT: - seq_puts(m, "SRD entry\n"); - break; - case EDP_PSR_STATUS_STATE_BUFOFF: - seq_puts(m, "Wait for buffer turn off\n"); - break; - case EDP_PSR_STATUS_STATE_BUFON: - seq_puts(m, "Wait for buffer turn on\n"); - break; - case EDP_PSR_STATUS_STATE_AUXACK: - seq_puts(m, "Wait for AUX to acknowledge on SRD exit\n"); - break; - case EDP_PSR_STATUS_STATE_SRDOFFACK: - seq_puts(m, "Wait for TG/Stream to acknowledge the SRD VDM exit\n"); - break; - default: - seq_puts(m, "Unknown\n"); - break; - } - - seq_puts(m, "Link Status: "); - switch (psrstat & EDP_PSR_STATUS_LINK_MASK) { - case EDP_PSR_STATUS_LINK_FULL_OFF: - seq_puts(m, "Link is fully off\n"); - break; - case EDP_PSR_STATUS_LINK_FULL_ON: - seq_puts(m, "Link is fully on\n"); - break; - case EDP_PSR_STATUS_LINK_STANDBY: - seq_puts(m, "Link is in standby\n"); - break; - default: - seq_puts(m, "Unknown\n"); - break; - } - - seq_printf(m, "PSR Entry Count: %u\n", - psrstat >> EDP_PSR_STATUS_COUNT_SHIFT & - EDP_PSR_STATUS_COUNT_MASK); - - seq_printf(m, "Max Sleep Timer Counter: %u\n", - psrstat >> EDP_PSR_STATUS_MAX_SLEEP_TIMER_SHIFT & - EDP_PSR_STATUS_MAX_SLEEP_TIMER_MASK); - - seq_printf(m, "Had AUX error: %s\n", - yesno(psrstat & EDP_PSR_STATUS_AUX_ERROR)); - - seq_printf(m, "Sending AUX: %s\n", - yesno(psrstat & EDP_PSR_STATUS_AUX_SENDING)); - - seq_printf(m, "Sending Idle: %s\n", - yesno(psrstat & EDP_PSR_STATUS_SENDING_IDLE)); - - seq_printf(m, "Sending TP2 TP3: %s\n", - yesno(psrstat & EDP_PSR_STATUS_SENDING_TP2_TP3)); - - seq_printf(m, "Sending TP1: %s\n", - yesno(psrstat & EDP_PSR_STATUS_SENDING_TP1)); + seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support)); + seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok)); - seq_printf(m, "Idle Count: %u\n", - psrstat & EDP_PSR_STATUS_IDLE_MASK); + enabled = HAS_PSR(dev) && + I915_READ(EDP_PSR_CTL(dev)) & EDP_PSR_ENABLE; + seq_printf(m, "Enabled: %s\n", yesno(enabled)); - psrperf = (I915_READ(EDP_PSR_PERF_CNT(dev))) & EDP_PSR_PERF_CNT_MASK; - seq_printf(m, "Performance Counter: %u\n", psrperf); + if (HAS_PSR(dev)) + psrperf = I915_READ(EDP_PSR_PERF_CNT(dev)) & + EDP_PSR_PERF_CNT_MASK; + seq_printf(m, "Performance_Counter: %u\n", psrperf); return 0; } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 5118ac300c42..ed8653fd97ad 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -644,17 +644,9 @@ struct i915_fbc { } no_fbc_reason; }; -enum no_psr_reason { - PSR_NO_SOURCE, /* Not supported on platform */ - PSR_NO_SINK, /* Not supported by panel */ - PSR_MODULE_PARAM, - PSR_CRTC_NOT_ACTIVE, - PSR_PWR_WELL_ENABLED, - PSR_NOT_TILED, - PSR_SPRITE_ENABLED, - PSR_S3D_ENABLED, - PSR_INTERLACED_ENABLED, - PSR_HSW_NOT_DDIA, +struct i915_psr { + bool sink_support; + bool source_ok; }; enum intel_pch { @@ -1356,7 +1348,7 @@ typedef struct drm_i915_private { /* Haswell power well */ struct i915_power_well power_well; - enum no_psr_reason no_psr_reason; + struct i915_psr psr; struct i915_gpu_error gpu_error; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 5614365465c9..0f77b8ce64d1 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1494,10 +1494,11 @@ static void intel_dp_get_config(struct intel_encoder *encoder, pipe_config->adjusted_mode.crtc_clock = dotclock; } -static bool is_edp_psr(struct intel_dp *intel_dp) +static bool is_edp_psr(struct drm_device *dev) { - return is_edp(intel_dp) && - intel_dp->psr_dpcd[0] & DP_PSR_IS_SUPPORTED; + struct drm_i915_private *dev_priv = dev->dev_private; + + return dev_priv->psr.sink_support; } static bool intel_edp_is_psr_enabled(struct drm_device *dev) @@ -1624,42 +1625,33 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp) struct drm_i915_gem_object *obj = to_intel_framebuffer(crtc->fb)->obj; struct intel_encoder *intel_encoder = &dp_to_dig_port(intel_dp)->base; + dev_priv->psr.source_ok = false; + if (!HAS_PSR(dev)) { DRM_DEBUG_KMS("PSR not supported on this platform\n"); - dev_priv->no_psr_reason = PSR_NO_SOURCE; return false; } if ((intel_encoder->type != INTEL_OUTPUT_EDP) || (dig_port->port != PORT_A)) { DRM_DEBUG_KMS("HSW ties PSR to DDI A (eDP)\n"); - dev_priv->no_psr_reason = PSR_HSW_NOT_DDIA; - return false; - } - - if (!is_edp_psr(intel_dp)) { - DRM_DEBUG_KMS("PSR not supported by this panel\n"); - dev_priv->no_psr_reason = PSR_NO_SINK; return false; } if (!i915_enable_psr) { DRM_DEBUG_KMS("PSR disable by flag\n"); - dev_priv->no_psr_reason = PSR_MODULE_PARAM; return false; } crtc = dig_port->base.base.crtc; if (crtc == NULL) { DRM_DEBUG_KMS("crtc not active for PSR\n"); - dev_priv->no_psr_reason = PSR_CRTC_NOT_ACTIVE; return false; } intel_crtc = to_intel_crtc(crtc); if (!intel_crtc_active(crtc)) { DRM_DEBUG_KMS("crtc not active for PSR\n"); - dev_priv->no_psr_reason = PSR_CRTC_NOT_ACTIVE; return false; } @@ -1667,29 +1659,26 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp) if (obj->tiling_mode != I915_TILING_X || obj->fence_reg == I915_FENCE_REG_NONE) { DRM_DEBUG_KMS("PSR condition failed: fb not tiled or fenced\n"); - dev_priv->no_psr_reason = PSR_NOT_TILED; return false; } if (I915_READ(SPRCTL(intel_crtc->pipe)) & SPRITE_ENABLE) { DRM_DEBUG_KMS("PSR condition failed: Sprite is Enabled\n"); - dev_priv->no_psr_reason = PSR_SPRITE_ENABLED; return false; } if (I915_READ(HSW_STEREO_3D_CTL(intel_crtc->config.cpu_transcoder)) & S3D_ENABLE) { DRM_DEBUG_KMS("PSR condition failed: Stereo 3D is Enabled\n"); - dev_priv->no_psr_reason = PSR_S3D_ENABLED; return false; } if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { DRM_DEBUG_KMS("PSR condition failed: Interlaced is Enabled\n"); - dev_priv->no_psr_reason = PSR_INTERLACED_ENABLED; return false; } + dev_priv->psr.source_ok = true; return true; } @@ -1746,7 +1735,7 @@ void intel_edp_psr_update(struct drm_device *dev) if (encoder->type == INTEL_OUTPUT_EDP) { intel_dp = enc_to_intel_dp(&encoder->base); - if (!is_edp_psr(intel_dp)) + if (!is_edp_psr(dev)) return; if (!intel_edp_psr_match_conditions(intel_dp)) @@ -2725,6 +2714,10 @@ intel_dp_link_down(struct intel_dp *intel_dp) static bool intel_dp_get_dpcd(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 = dev->dev_private; + char dpcd_hex_dump[sizeof(intel_dp->dpcd) * 3]; if (intel_dp_aux_native_read_retry(intel_dp, 0x000, intel_dp->dpcd, @@ -2744,8 +2737,10 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) intel_dp_aux_native_read_retry(intel_dp, DP_PSR_SUPPORT, intel_dp->psr_dpcd, sizeof(intel_dp->psr_dpcd)); - if (is_edp_psr(intel_dp)) + if (intel_dp->psr_dpcd[0] & DP_PSR_IS_SUPPORTED) { + dev_priv->psr.sink_support = true; DRM_DEBUG_KMS("Detected EDP PSR Panel.\n"); + } } if (!(intel_dp->dpcd[DP_DOWNSTREAMPORT_PRESENT] &