drm/i915/chv: Update Cherryview DPLL changes to support Port D. v2
The additional DPLL registers added to support Port D. Besides, add
some new PHY control and status registers based on B-spec.
v2: Based on Ville review
- Corrected DPIO_PHY_STATUS offset and name.
- Rebase based on upstream change after introduce enum dpio_phy and
enum dpio_channel.
v3: Rebased on top of Antti's 3-pipe prep patch. Note that the new offsets for
the DPLL registers aren't in place yet, so this introduces a slight regression.
But since 3 pipe support isn't fully enabled yet anyaway in -internal this
shouldn't matter too much.
Signed-off-by: Chon Ming Lee <chon.ming.lee@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 63055f1..c42593fd 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1535,21 +1535,28 @@
struct intel_digital_port *dport)
{
u32 port_mask;
+ int dpll_reg;
switch (dport->port) {
case PORT_B:
port_mask = DPLL_PORTB_READY_MASK;
+ dpll_reg = DPLL(0);
break;
case PORT_C:
port_mask = DPLL_PORTC_READY_MASK;
+ dpll_reg = DPLL(0);
+ break;
+ case PORT_D:
+ port_mask = DPLL_PORTD_READY_MASK;
+ dpll_reg = DPIO_PHY_STATUS;
break;
default:
BUG();
}
- if (wait_for((I915_READ(DPLL(0)) & port_mask) == 0, 1000))
+ if (wait_for((I915_READ(dpll_reg) & port_mask) == 0, 1000))
WARN(1, "timed out waiting for port %c ready: 0x%08x\n",
- port_name(dport->port), I915_READ(DPLL(0)));
+ port_name(dport->port), I915_READ(dpll_reg));
}
/**
