[Intel-gfx] [PATCH v2 1/9] drm/i915/dsi: refer to gpio index instead of gpio to avoid confusion

[Jani Nikula]

The DSI sequence blocks contain gpio index references, not actual gpio
numbers. No functional changes.

Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c 
b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
index 8302a972d2d4..f687b2e9d8ca 100644
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -198,7 +198,7 @@ static const u8 *mipi_exec_delay(struct intel_dsi 
*intel_dsi, const u8 *data)
 
 static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)
 {
-       u8 gpio, action;
+       u8 gpio_index, action;
        u16 function, pad;
        u32 val;
        struct drm_device *dev = intel_dsi->base.base.dev;
@@ -207,13 +207,13 @@ static const u8 *mipi_exec_gpio(struct intel_dsi 
*intel_dsi, const u8 *data)
        if (dev_priv->vbt.dsi.seq_version >= 3)
                data++;
 
-       gpio = *data++;
+       gpio_index = *data++;
 
        /* pull up/down */
        action = *data++ & 1;
 
-       if (gpio >= ARRAY_SIZE(gtable)) {
-               DRM_DEBUG_KMS("unknown gpio %u\n", gpio);
+       if (gpio_index >= ARRAY_SIZE(gtable)) {
+               DRM_DEBUG_KMS("unknown gpio index %u\n", gpio_index);
                goto out;
        }
 
@@ -227,16 +227,16 @@ static const u8 *mipi_exec_gpio(struct intel_dsi 
*intel_dsi, const u8 *data)
                goto out;
        }
 
-       function = gtable[gpio].function_reg;
-       pad = gtable[gpio].pad_reg;
+       function = gtable[gpio_index].function_reg;
+       pad = gtable[gpio_index].pad_reg;
 
        mutex_lock(&dev_priv->sb_lock);
-       if (!gtable[gpio].init) {
+       if (!gtable[gpio_index].init) {
                /* program the function */
                /* FIXME: remove constant below */
                vlv_iosf_sb_write(dev_priv, IOSF_PORT_GPIO_NC, function,
                                  0x2000CC00);
-               gtable[gpio].init = 1;
+               gtable[gpio_index].init = 1;
        }
 
        val = 0x4 | action;
-- 
2.1.4

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