Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-26 04:42:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915: Simplify PSR debugfs

Browse Source 
for igt test case.

v2: remove trailing spaces and fix conflicts

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
[danvet:
- make it comipile
- s/IS_HASWELL/HAS_PSR/]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Rodrigo Vivi 2013-10-03 16:15:06 -03:00 committed by Daniel Vetter
parent dd75fdc8c6
commit a031d709bb
3 changed files with 30 additions and 150 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

129
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -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;
}
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));
psrstat = I915_READ(EDP_PSR_STATUS_CTL(dev));
enabled = HAS_PSR(dev) &&
I915_READ(EDP_PSR_CTL(dev)) & EDP_PSR_ENABLE;
seq_printf(m, "Enabled: %s\n", yesno(enabled));
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, "Idle Count: %u\n",
psrstat & EDP_PSR_STATUS_IDLE_MASK);
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;
}

16
drivers/gpu/drm/i915/i915_drv.h
View File

@ -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;

35
drivers/gpu/drm/i915/intel_dp.c
View File

@ -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] &