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drm/i915/gmbus: reduce gmbus pin lookups in gmbus setup 

Avoid separate pin lookups for validity and name.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220303181931.1661767-2-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2022-03-03 20:19:28 +02:00
parent 69e807a5a9
commit 39a8c428fe
1 changed files with 5 additions and 3 deletions
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8
drivers/gpu/drm/i915/display/intel_gmbus.c
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@ -876,7 +876,10 @@ int intel_gmbus_setup(struct drm_i915_private *dev_priv)
init_waitqueue_head(&dev_priv->gmbus_wait_queue);
for (pin = 0; pin < ARRAY_SIZE(dev_priv->gmbus); pin++) {
if (!intel_gmbus_is_valid_pin(dev_priv, pin))
const struct gmbus_pin *gmbus_pin;
gmbus_pin = get_gmbus_pin(dev_priv, pin);
if (!gmbus_pin)
continue;
bus = &dev_priv->gmbus[pin];
@ -885,8 +888,7 @@ int intel_gmbus_setup(struct drm_i915_private *dev_priv)
bus->adapter.class = I2C_CLASS_DDC;
snprintf(bus->adapter.name,
sizeof(bus->adapter.name),
"i915 gmbus %s",
get_gmbus_pin(dev_priv, pin)->name);
"i915 gmbus %s", gmbus_pin->name);
bus->adapter.dev.parent = &pdev->dev;
bus->dev_priv = dev_priv;