drm/kms: Simplify setup of the initial I2C encoder config.
In most use cases the driver will be using the same static config all
the time: interpreting i2c_board_info::platform_data as the default
config we can can save the GPU driver a redundant set_config() call.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/drm_encoder_slave.c b/drivers/gpu/drm/drm_encoder_slave.c
index f018469..d62c064 100644
--- a/drivers/gpu/drm/drm_encoder_slave.c
+++ b/drivers/gpu/drm/drm_encoder_slave.c
@@ -41,6 +41,9 @@
* &drm_encoder_slave. The @slave_funcs field will be initialized with
* the hooks provided by the slave driver.
*
+ * If @info->platform_data is non-NULL it will be used as the initial
+ * slave config.
+ *
* Returns 0 on success or a negative errno on failure, in particular,
* -ENODEV is returned when no matching driver is found.
*/
@@ -85,6 +88,10 @@
if (err)
goto fail_unregister;
+ if (info->platform_data)
+ encoder->slave_funcs->set_config(&encoder->base,
+ info->platform_data);
+
return 0;
fail_unregister: