drm/i915: Remove redundant bit shifting from intel_gmbus_set_speed

Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>

2 files changed, 2 insertions, 8 deletions

diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index d98cee60b602..9ed5380e5a53 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -422,13 +422,7 @@ void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed)
 {
         struct intel_gmbus *bus = to_intel_gmbus(adapter);
 
-        /* speed:
-         * 0x0 = 100 KHz
-         * 0x1 = 50 KHz
-         * 0x2 = 400 KHz
-         * 0x3 = 1000 Khz
-         */
-        bus->reg0 = (bus->reg0 & ~(0x3 << 8)) | (speed << 8);
+        bus->reg0 = (bus->reg0 & ~(0x3 << 8)) | speed;
 }
 
 void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit)
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 643b5d72d9b7..1b97d1f48fb0 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1908,7 +1908,7 @@ intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
 
         if (pin < GMBUS_NUM_PORTS) {
                 sdvo->i2c = &dev_priv->gmbus[pin].adapter;
-                intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ >> 8);
+                intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
                 intel_gmbus_force_bit(sdvo->i2c, true);
         } else {
                 sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;