drm/i915/icl: fix gmbus gpio pin mapping

ICP has GPIO pin 1/2 mapped to combo-phy ports & GPIO pins 9/10/11/12
mapped to tc ports[1-4].
This patch defines GPIOCTL registers for GPIO pins 9-12 & uses them in GPIO
pin mapping table.

Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180612002512.29783-1-paulo.r.zanoni@intel.com

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 987def2..c96a3ae 100644 (file)
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2988,6 +2988,10 @@ enum i915_power_well_id {
 #define GPIOF                  _MMIO(0x5024)
 #define GPIOG                  _MMIO(0x5028)
 #define GPIOH                  _MMIO(0x502c)
+#define GPIOJ                  _MMIO(0x5034)
+#define GPIOK                  _MMIO(0x5038)
+#define GPIOL                  _MMIO(0x503C)
+#define GPIOM                  _MMIO(0x5040)
 # define GPIO_CLOCK_DIR_MASK           (1 << 0)
 # define GPIO_CLOCK_DIR_IN             (0 << 1)
 # define GPIO_CLOCK_DIR_OUT            (1 << 1)

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index ba5ea61..ef4de5a 100644 (file)
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -2234,7 +2234,7 @@ static u8 intel_hdmi_ddc_pin(struct drm_i915_private *dev_priv,
                ddc_pin = bxt_port_to_ddc_pin(dev_priv, port);
        else if (HAS_PCH_CNP(dev_priv))
                ddc_pin = cnp_port_to_ddc_pin(dev_priv, port);
-       else if (IS_ICELAKE(dev_priv))
+       else if (HAS_PCH_ICP(dev_priv))
                ddc_pin = icl_port_to_ddc_pin(dev_priv, port);
        else
                ddc_pin = g4x_port_to_ddc_pin(dev_priv, port);

diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index 61729bf..97606c1 100644 (file)
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -77,12 +77,12 @@ static const struct gmbus_pin gmbus_pins_cnp[] = {
 };
 
 static const struct gmbus_pin gmbus_pins_icp[] = {
-       [GMBUS_PIN_1_BXT] = { "dpa", GPIOA },
-       [GMBUS_PIN_2_BXT] = { "dpb", GPIOB },
-       [GMBUS_PIN_9_TC1_ICP] = { "tc1", GPIOC },
-       [GMBUS_PIN_10_TC2_ICP] = { "tc2", GPIOD },
-       [GMBUS_PIN_11_TC3_ICP] = { "tc3", GPIOE },
-       [GMBUS_PIN_12_TC4_ICP] = { "tc4", GPIOF },
+       [GMBUS_PIN_1_BXT] = { "dpa", GPIOB },
+       [GMBUS_PIN_2_BXT] = { "dpb", GPIOC },
+       [GMBUS_PIN_9_TC1_ICP] = { "tc1", GPIOJ },
+       [GMBUS_PIN_10_TC2_ICP] = { "tc2", GPIOK },
+       [GMBUS_PIN_11_TC3_ICP] = { "tc3", GPIOL },
+       [GMBUS_PIN_12_TC4_ICP] = { "tc4", GPIOM },
 };
 
 /* pin is expected to be valid */