diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 4364f42cac6b..64f20175a6dc 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -760,6 +760,31 @@ parse_psr(struct drm_i915_private *dev_priv, const struct bdb_header *bdb) dev_priv->vbt.psr.tp1_wakeup_time_us = psr_table->tp1_wakeup_time * 100; dev_priv->vbt.psr.tp2_tp3_wakeup_time_us = psr_table->tp2_tp3_wakeup_time * 100; } + + if (bdb->version >= 226) { + u32 wakeup_time = psr_table->psr2_tp2_tp3_wakeup_time; + + wakeup_time = (wakeup_time >> (2 * panel_type)) & 0x3; + switch (wakeup_time) { + case 0: + wakeup_time = 500; + break; + case 1: + wakeup_time = 100; + break; + case 3: + wakeup_time = 50; + break; + default: + case 2: + wakeup_time = 2500; + break; + } + dev_priv->vbt.psr.psr2_tp2_tp3_wakeup_time_us = wakeup_time; + } else { + /* Reusing PSR1 wakeup time for PSR2 in older VBTs */ + dev_priv->vbt.psr.psr2_tp2_tp3_wakeup_time_us = dev_priv->vbt.psr.tp2_tp3_wakeup_time_us; + } } static void parse_dsi_backlight_ports(struct drm_i915_private *dev_priv, @@ -2094,8 +2119,8 @@ bool intel_bios_is_dsi_present(struct drm_i915_private *dev_priv, dvo_port = child->dvo_port; if (dvo_port == DVO_PORT_MIPIA || - (dvo_port == DVO_PORT_MIPIB && IS_ICELAKE(dev_priv)) || - (dvo_port == DVO_PORT_MIPIC && !IS_ICELAKE(dev_priv))) { + (dvo_port == DVO_PORT_MIPIB && INTEL_GEN(dev_priv) >= 11) || + (dvo_port == DVO_PORT_MIPIC && INTEL_GEN(dev_priv) < 11)) { if (port) *port = dvo_port - DVO_PORT_MIPIA; return true; |