[Intel-gfx] [PATCH 3/3] drm/i915: Fix for PHY_MISC_TC1 offset

[Ramalingam C]

From: Jouni Högander <jouni.hogander at intel.com>

Currently ICL_PHY_MISC macro is returning offset 0x64C10 for PHY_E
port. Correct offset is 0x64C14.

Fix this by handling PHY_E port seprately.

Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
Signed-off-by: Ramalingam C <ramalingam.c at intel.com>
---
 drivers/gpu/drm/i915/display/intel_snps_phy.c | 2 +-
 drivers/gpu/drm/i915/i915_reg.h               | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_snps_phy.c b/drivers/gpu/drm/i915/display/intel_snps_phy.c
index c60575cb5368..f08061c748b3 100644
--- a/drivers/gpu/drm/i915/display/intel_snps_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_snps_phy.c
@@ -32,7 +32,7 @@ void intel_snps_phy_wait_for_calibration(struct drm_i915_private *i915)
 		if (!intel_phy_is_snps(i915, phy))
 			continue;
 
-		if (intel_de_wait_for_clear(i915, ICL_PHY_MISC(phy),
+		if (intel_de_wait_for_clear(i915, DG2_PHY_MISC(phy),
 					    DG2_PHY_DP_TX_ACK_MASK, 25))
 			drm_err(&i915->drm, "SNPS PHY %c failed to calibrate after 25ms.\n",
 				phy);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 4d12abb2d7ff..354c25f483cb 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9559,8 +9559,10 @@ enum skl_power_gate {
 
 #define _ICL_PHY_MISC_A		0x64C00
 #define _ICL_PHY_MISC_B		0x64C04
-#define ICL_PHY_MISC(port)	_MMIO_PORT(port, _ICL_PHY_MISC_A, \
-						 _ICL_PHY_MISC_B)
+#define _DG2_PHY_MISC_TC1	0x64C14 /* TC1="PHY E" but offset as if "PHY F" */
+#define ICL_PHY_MISC(port)	_MMIO_PORT(port, _ICL_PHY_MISC_A, _ICL_PHY_MISC_B)
+#define DG2_PHY_MISC(port)	((port) == PHY_E ? _MMIO(_DG2_PHY_MISC_TC1) : \
+				 ICL_PHY_MISC(port))
 #define  ICL_PHY_MISC_MUX_DDID			(1 << 28)
 #define  ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN	(1 << 23)
 #define  DG2_PHY_DP_TX_ACK_MASK			REG_GENMASK(23, 20)
-- 
2.20.1