diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_tc.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index 24cee1b5629b..f9a09b1bb329 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -411,24 +411,29 @@ static u32 icl_tc_phy_hpd_live_status(struct intel_tc_port *tc) struct drm_i915_private *i915 = tc_to_i915(tc); struct intel_digital_port *dig_port = tc->dig_port; u32 isr_bit = i915->display.hotplug.pch_hpd[dig_port->base.hpd_pin]; + intel_wakeref_t wakeref; + u32 fia_isr; + u32 pch_isr; u32 mask = 0; - u32 val; - val = intel_de_read(i915, PORT_TX_DFLEXDPSP(tc->phy_fia)); + with_intel_display_power(i915, tc_phy_cold_off_domain(tc), wakeref) { + fia_isr = intel_de_read(i915, PORT_TX_DFLEXDPSP(tc->phy_fia)); + pch_isr = intel_de_read(i915, SDEISR); + } - if (val == 0xffffffff) { + if (fia_isr == 0xffffffff) { drm_dbg_kms(&i915->drm, "Port %s: PHY in TCCOLD, nothing connected\n", tc->port_name); return mask; } - if (val & TC_LIVE_STATE_TBT(tc->phy_fia_idx)) + if (fia_isr & TC_LIVE_STATE_TBT(tc->phy_fia_idx)) mask |= BIT(TC_PORT_TBT_ALT); - if (val & TC_LIVE_STATE_TC(tc->phy_fia_idx)) + if (fia_isr & TC_LIVE_STATE_TC(tc->phy_fia_idx)) mask |= BIT(TC_PORT_DP_ALT); - if (intel_de_read(i915, SDEISR) & isr_bit) + if (pch_isr & isr_bit) mask |= BIT(TC_PORT_LEGACY); return mask; @@ -691,16 +696,22 @@ static u32 adlp_tc_phy_hpd_live_status(struct intel_tc_port *tc) enum hpd_pin hpd_pin = dig_port->base.hpd_pin; u32 cpu_isr_bits = i915->display.hotplug.hpd[hpd_pin]; u32 pch_isr_bit = i915->display.hotplug.pch_hpd[hpd_pin]; + intel_wakeref_t wakeref; u32 cpu_isr; + u32 pch_isr; u32 mask = 0; - cpu_isr = intel_de_read(i915, GEN11_DE_HPD_ISR); + with_intel_display_power(i915, POWER_DOMAIN_DISPLAY_CORE, wakeref) { + cpu_isr = intel_de_read(i915, GEN11_DE_HPD_ISR); + pch_isr = intel_de_read(i915, SDEISR); + } + if (cpu_isr & (cpu_isr_bits & GEN11_DE_TC_HOTPLUG_MASK)) mask |= BIT(TC_PORT_DP_ALT); if (cpu_isr & (cpu_isr_bits & GEN11_DE_TBT_HOTPLUG_MASK)) mask |= BIT(TC_PORT_TBT_ALT); - if (intel_de_read(i915, SDEISR) & pch_isr_bit) + if (pch_isr & pch_isr_bit) mask |= BIT(TC_PORT_LEGACY); return mask; |