From: José Roberto de Souza <jose.souza@xxxxxxxxx>
Alderlake P have modular FIA like TGL but it is always modular in all
skus, not like TGL that we had to read a register to check if it is
monolithic or modular.
BSpec: 55480
BSpec: 50572
Cc: Imre Deak <imre.deak@xxxxxxxxx>
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
Signed-off-by: Clinton Taylor <Clinton.A.Taylor@xxxxxxxxx>
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
Reviewed-by: Imre Deak <imre.deak@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_tc.c | 4 ++++
drivers/gpu/drm/i915/i915_pci.c | 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index d2d524329509..e325463acddd 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -624,6 +624,10 @@ tc_has_modular_fia(struct drm_i915_private *i915, struct intel_digital_port *dig
if (!INTEL_INFO(i915)->display.has_modular_fia)
return false;
+ /* TODO: check if in real HW MODULAR_FIA_MASK is set, if so remove this block */
+ if (IS_ALDERLAKE_P(i915))
+ return true;
+
wakeref = tc_cold_block(dig_port);
val = intel_uncore_read(&i915->uncore, PORT_TX_DFLEXDPSP(FIA1));
tc_cold_unblock(dig_port, wakeref);
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 3a1cec2ba8ca..574881c0e339 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -954,6 +954,7 @@ static const struct intel_device_info adl_p_info = {
XE_LPD_FEATURES,
PLATFORM(INTEL_ALDERLAKE_P),
.require_force_probe = 1,
+ .display.has_modular_fia = 1,
.platform_engine_mask =
BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
.ppgtt_size = 48,
--
2.25.4
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