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drm/i915/dsi: refer to gpio index instead of gpio to avoid confusion 

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

Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/4a54778e56b507e8a0bd635ba02ed2a4734b00ac.1458299160.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2016-03-18 13:11:09 +02:00
parent 11b538cd6d
commit e37788fdb2
1 changed files with 8 additions and 8 deletions
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16
drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
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@ -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;