[Intel-gfx] [PATCH 1/8] drm/i915/dsi: refer to gpio index instead of gpio to avoid confusion
Jani Nikula
jani.nikula at intel.com
Thu Mar 17 15:04:39 UTC 2016
The DSI sequence blocks contain gpio index references, not actual gpio
numbers. No functional changes.
Signed-off-by: Jani Nikula <jani.nikula at 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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