Sink can support our PSR2 requirements but userspace can request a resolution that PSR2 hardware do not support, in this case it was overwritten the PSR2 sink support. Adding another flag here, this way if requested resolution changed to a value that PSR2 hardware can handle, PSR2 can be enabled.
Cc: Dhinakaran Pandiyan dhinakaran.pandiyan@intel.com Reviewed-by: Rodrigo Vivi rodrigo.vivi@intel.com Signed-off-by: José Roberto de Souza jose.souza@intel.com ---
v3: rebased
drivers/gpu/drm/i915/i915_debugfs.c | 4 ++-- drivers/gpu/drm/i915/i915_drv.h | 3 ++- drivers/gpu/drm/i915/intel_psr.c | 33 +++++++++++++++++---------------- 3 files changed, 21 insertions(+), 19 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index ff90577da450..1dba2c451255 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2630,7 +2630,7 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) yesno(work_busy(&dev_priv->psr.work.work)));
if (HAS_DDI(dev_priv)) { - if (dev_priv->psr.psr2_support) + 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; @@ -2678,7 +2678,7 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
seq_printf(m, "Performance_Counter: %u\n", psrperf); } - if (dev_priv->psr.psr2_support) { + if (dev_priv->psr.psr2_enabled) { u32 psr2 = I915_READ(EDP_PSR2_STATUS);
seq_printf(m, "EDP_PSR2_STATUS: %x [%s]\n", diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 92cf6f4e9e00..46cae097201c 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -602,11 +602,12 @@ struct i915_psr { bool active; struct delayed_work work; unsigned busy_frontbuffer_bits; - bool psr2_support; + bool sink_psr2_support; bool link_standby; bool colorimetry_support; bool alpm; bool has_hw_tracking; + bool psr2_enabled;
void (*enable_source)(struct intel_dp *, const struct intel_crtc_state *); diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 84e1f8be5c48..5efddd920681 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -148,11 +148,12 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) * Y-coordinate requirement panels we would need to enable * GTC first. */ - dev_priv->psr.psr2_support = intel_dp_get_y_coord_required(intel_dp); - DRM_DEBUG_KMS("PSR2 %s on sink", - dev_priv->psr.psr2_support ? "supported" : "not supported"); + dev_priv->psr.sink_psr2_support = + intel_dp_get_y_coord_required(intel_dp); + DRM_DEBUG_KMS("PSR2 %s on sink", dev_priv->psr.sink_psr2_support + ? "supported" : "not supported");
- if (dev_priv->psr.psr2_support) { + if (dev_priv->psr.sink_psr2_support) { dev_priv->psr.colorimetry_support = intel_dp_get_colorimetry_status(intel_dp); dev_priv->psr.alpm = @@ -193,7 +194,7 @@ static void hsw_psr_setup_vsc(struct intel_dp *intel_dp, struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev); struct edp_vsc_psr psr_vsc;
- if (dev_priv->psr.psr2_support) { + if (dev_priv->psr.psr2_enabled) { /* Prepare VSC Header for SU as per EDP 1.4 spec, Table 6.11 */ memset(&psr_vsc, 0, sizeof(psr_vsc)); psr_vsc.sdp_header.HB0 = 0; @@ -265,7 +266,7 @@ static void hsw_psr_enable_sink(struct intel_dp *intel_dp) struct drm_i915_private *dev_priv = to_i915(dev);
/* Enable ALPM at sink for psr2 */ - if (dev_priv->psr.psr2_support && dev_priv->psr.alpm) + if (dev_priv->psr.psr2_enabled && dev_priv->psr.alpm) drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, DP_ALPM_ENABLE); @@ -424,7 +425,7 @@ static void hsw_psr_activate(struct intel_dp *intel_dp) */
/* psr1 and psr2 are mutually exclusive.*/ - if (dev_priv->psr.psr2_support) + if (dev_priv->psr.psr2_enabled) hsw_activate_psr2(intel_dp); else hsw_activate_psr1(intel_dp); @@ -444,7 +445,7 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp, * dynamically during PSR enable, and extracted from sink * caps during eDP detection. */ - if (!dev_priv->psr.psr2_support) + if (!dev_priv->psr.sink_psr2_support) return false;
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) { @@ -543,7 +544,7 @@ static void intel_psr_activate(struct intel_dp *intel_dp) struct drm_device *dev = intel_dig_port->base.base.dev; struct drm_i915_private *dev_priv = to_i915(dev);
- if (dev_priv->psr.psr2_support) + if (dev_priv->psr.psr2_enabled) WARN_ON(I915_READ(EDP_PSR2_CTL) & EDP_PSR2_ENABLE); else WARN_ON(I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE); @@ -570,7 +571,7 @@ static void hsw_psr_enable_source(struct intel_dp *intel_dp, if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) hsw_psr_setup_aux(intel_dp);
- if (dev_priv->psr.psr2_support) { + if (dev_priv->psr.psr2_enabled) { u32 chicken = I915_READ(CHICKEN_TRANS(cpu_transcoder));
if (INTEL_GEN(dev_priv) == 9 && !IS_GEMINILAKE(dev_priv)) @@ -629,7 +630,7 @@ void intel_psr_enable(struct intel_dp *intel_dp, goto unlock; }
- dev_priv->psr.psr2_support = crtc_state->has_psr2; + dev_priv->psr.psr2_enabled = crtc_state->has_psr2; dev_priv->psr.busy_frontbuffer_bits = 0;
dev_priv->psr.setup_vsc(intel_dp, crtc_state); @@ -699,7 +700,7 @@ static void hsw_psr_disable(struct intel_dp *intel_dp, i915_reg_t psr_status; u32 psr_status_mask;
- if (dev_priv->psr.psr2_support) { + if (dev_priv->psr.psr2_enabled) { psr_status = EDP_PSR2_STATUS; psr_status_mask = EDP_PSR2_STATUS_STATE_MASK;
@@ -723,7 +724,7 @@ static void hsw_psr_disable(struct intel_dp *intel_dp,
dev_priv->psr.active = false; } else { - if (dev_priv->psr.psr2_support) + if (dev_priv->psr.psr2_enabled) WARN_ON(I915_READ(EDP_PSR2_CTL) & EDP_PSR2_ENABLE); else WARN_ON(I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE); @@ -783,7 +784,7 @@ static void intel_psr_work(struct work_struct *work) * and be ready for re-enable. */ if (HAS_DDI(dev_priv)) { - if (dev_priv->psr.psr2_support) { + if (dev_priv->psr.psr2_enabled) { if (intel_wait_for_register(dev_priv, EDP_PSR2_STATUS, EDP_PSR2_STATUS_STATE_MASK, @@ -842,7 +843,7 @@ static void intel_psr_exit(struct drm_i915_private *dev_priv) return;
if (HAS_DDI(dev_priv)) { - if (dev_priv->psr.psr2_support) { + 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); @@ -1011,7 +1012,7 @@ void intel_psr_flush(struct drm_i915_private *dev_priv,
/* By definition flush = invalidate + flush */ if (frontbuffer_bits) { - if (dev_priv->psr.psr2_support || + if (dev_priv->psr.psr2_enabled || IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { intel_psr_exit(dev_priv); } else {