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-rw-r--r--drivers/gpu/drm/i915/display/intel_display.h6
-rw-r--r--drivers/gpu/drm/i915/display/intel_tc.c47
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h13
-rw-r--r--drivers/gpu/drm/i915/intel_device_info.h1
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h1
5 files changed, 56 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index 67743eea4a50..d2c718f25478 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -260,6 +260,12 @@ enum phy {
#define phy_name(a) ((a) + 'A')
+enum phy_fia {
+ FIA1,
+ FIA2,
+ FIA3,
+};
+
#define for_each_pipe(__dev_priv, __p) \
for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++)
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index f44ee4bfe7c8..c96a81c2416c 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -22,6 +22,28 @@ static const char *tc_port_mode_name(enum tc_port_mode mode)
return names[mode];
}
+static bool has_modular_fia(struct drm_i915_private *i915)
+{
+ if (!INTEL_INFO(i915)->display.has_modular_fia)
+ return false;
+
+ return intel_uncore_read(&i915->uncore,
+ PORT_TX_DFLEXDPSP(FIA1)) & MODULAR_FIA_MASK;
+}
+
+static enum phy_fia tc_port_to_fia(struct drm_i915_private *i915,
+ enum tc_port tc_port)
+{
+ if (!has_modular_fia(i915))
+ return FIA1;
+
+ /*
+ * Each Modular FIA instance houses 2 TC ports. In SOC that has more
+ * than two TC ports, there are multiple instances of Modular FIA.
+ */
+ return tc_port / 2;
+}
+
u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port)
{
struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
@@ -29,7 +51,8 @@ u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port)
struct intel_uncore *uncore = &i915->uncore;
u32 lane_mask;
- lane_mask = intel_uncore_read(uncore, PORT_TX_DFLEXDPSP);
+ lane_mask = intel_uncore_read(uncore,
+ PORT_TX_DFLEXDPSP(dig_port->tc_phy_fia));
WARN_ON(lane_mask == 0xffffffff);
@@ -78,7 +101,8 @@ void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
WARN_ON(lane_reversal && dig_port->tc_mode != TC_PORT_LEGACY);
- val = intel_uncore_read(uncore, PORT_TX_DFLEXDPMLE1);
+ val = intel_uncore_read(uncore,
+ PORT_TX_DFLEXDPMLE1(dig_port->tc_phy_fia));
val &= ~DFLEXDPMLE1_DPMLETC_MASK(tc_port);
switch (required_lanes) {
@@ -97,7 +121,8 @@ void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
MISSING_CASE(required_lanes);
}
- intel_uncore_write(uncore, PORT_TX_DFLEXDPMLE1, val);
+ intel_uncore_write(uncore,
+ PORT_TX_DFLEXDPMLE1(dig_port->tc_phy_fia), val);
}
static void tc_port_fixup_legacy_flag(struct intel_digital_port *dig_port,
@@ -129,7 +154,8 @@ static u32 tc_port_live_status_mask(struct intel_digital_port *dig_port)
u32 mask = 0;
u32 val;
- val = intel_uncore_read(uncore, PORT_TX_DFLEXDPSP);
+ val = intel_uncore_read(uncore,
+ PORT_TX_DFLEXDPSP(dig_port->tc_phy_fia));
if (val == 0xffffffff) {
DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, nothing connected\n",
@@ -159,7 +185,8 @@ static bool icl_tc_phy_status_complete(struct intel_digital_port *dig_port)
struct intel_uncore *uncore = &i915->uncore;
u32 val;
- val = intel_uncore_read(uncore, PORT_TX_DFLEXDPPMS);
+ val = intel_uncore_read(uncore,
+ PORT_TX_DFLEXDPPMS(dig_port->tc_phy_fia));
if (val == 0xffffffff) {
DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, assuming not complete\n",
dig_port->tc_port_name);
@@ -177,7 +204,8 @@ static bool icl_tc_phy_set_safe_mode(struct intel_digital_port *dig_port,
struct intel_uncore *uncore = &i915->uncore;
u32 val;
- val = intel_uncore_read(uncore, PORT_TX_DFLEXDPCSSS);
+ val = intel_uncore_read(uncore,
+ PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia));
if (val == 0xffffffff) {
DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, can't set safe-mode to %s\n",
dig_port->tc_port_name,
@@ -190,7 +218,8 @@ static bool icl_tc_phy_set_safe_mode(struct intel_digital_port *dig_port,
if (!enable)
val |= DP_PHY_MODE_STATUS_NOT_SAFE(tc_port);
- intel_uncore_write(uncore, PORT_TX_DFLEXDPCSSS, val);
+ intel_uncore_write(uncore,
+ PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia), val);
if (enable && wait_for(!icl_tc_phy_status_complete(dig_port), 10))
DRM_DEBUG_KMS("Port %s: PHY complete clear timed out\n",
@@ -206,7 +235,8 @@ static bool icl_tc_phy_is_in_safe_mode(struct intel_digital_port *dig_port)
struct intel_uncore *uncore = &i915->uncore;
u32 val;
- val = intel_uncore_read(uncore, PORT_TX_DFLEXDPCSSS);
+ val = intel_uncore_read(uncore,
+ PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia));
if (val == 0xffffffff) {
DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, assume safe mode\n",
dig_port->tc_port_name);
@@ -503,4 +533,5 @@ void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy)
mutex_init(&dig_port->tc_lock);
dig_port->tc_legacy_port = is_legacy;
dig_port->tc_link_refcount = 0;
+ dig_port->tc_phy_fia = tc_port_to_fia(i915, tc_port);
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index e14c9b76c2d0..0dd4506323f2 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2204,9 +2204,13 @@ enum i915_power_well_id {
#define DW6_OLDO_DYN_PWR_DOWN_EN (1 << 28)
#define FIA1_BASE 0x163000
+#define FIA2_BASE 0x16E000
+#define FIA3_BASE 0x16F000
+#define _FIA(fia) _PICK((fia), FIA1_BASE, FIA2_BASE, FIA3_BASE)
+#define _MMIO_FIA(fia, off) _MMIO(_FIA(fia) + (off))
/* ICL PHY DFLEX registers */
-#define PORT_TX_DFLEXDPMLE1 _MMIO(FIA1_BASE + 0x008C0)
+#define PORT_TX_DFLEXDPMLE1(fia) _MMIO_FIA((fia), 0x008C0)
#define DFLEXDPMLE1_DPMLETC_MASK(tc_port) (0xf << (4 * (tc_port)))
#define DFLEXDPMLE1_DPMLETC_ML0(tc_port) (1 << (4 * (tc_port)))
#define DFLEXDPMLE1_DPMLETC_ML1_0(tc_port) (3 << (4 * (tc_port)))
@@ -11535,17 +11539,18 @@ enum skl_power_gate {
_ICL_DSC1_RC_BUF_THRESH_1_UDW_PB, \
_ICL_DSC1_RC_BUF_THRESH_1_UDW_PC)
-#define PORT_TX_DFLEXDPSP _MMIO(FIA1_BASE + 0x008A0)
+#define PORT_TX_DFLEXDPSP(fia) _MMIO_FIA((fia), 0x008A0)
+#define MODULAR_FIA_MASK (1 << 4)
#define TC_LIVE_STATE_TBT(tc_port) (1 << ((tc_port) * 8 + 6))
#define TC_LIVE_STATE_TC(tc_port) (1 << ((tc_port) * 8 + 5))
#define DP_LANE_ASSIGNMENT_SHIFT(tc_port) ((tc_port) * 8)
#define DP_LANE_ASSIGNMENT_MASK(tc_port) (0xf << ((tc_port) * 8))
#define DP_LANE_ASSIGNMENT(tc_port, x) ((x) << ((tc_port) * 8))
-#define PORT_TX_DFLEXDPPMS _MMIO(FIA1_BASE + 0x00890)
+#define PORT_TX_DFLEXDPPMS(fia) _MMIO_FIA((fia), 0x00890)
#define DP_PHY_MODE_STATUS_COMPLETED(tc_port) (1 << (tc_port))
-#define PORT_TX_DFLEXDPCSSS _MMIO(FIA1_BASE + 0x00894)
+#define PORT_TX_DFLEXDPCSSS(fia) _MMIO_FIA((fia), 0x00894)
#define DP_PHY_MODE_STATUS_NOT_SAFE(tc_port) (1 << (tc_port))
#endif /* _I915_REG_H_ */
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 468582484758..45a9badc9b8e 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -138,6 +138,7 @@ enum intel_ppgtt_type {
func(has_gmch); \
func(has_hotplug); \
func(has_ipc); \
+ func(has_modular_fia); \
func(has_overlay); \
func(has_psr); \
func(overlay_needs_physical); \
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 770f9f6aad84..e8ecbd55476e 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1245,6 +1245,7 @@ struct intel_digital_port {
bool tc_legacy_port:1;
char tc_port_name[8];
enum tc_port_mode tc_mode;
+ enum phy_fia tc_phy_fia;
void (*write_infoframe)(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 13:40:00 +0000