Am 07.01.2014 16:14, schrieb Alex Deucher:
> The hw i2c engines are disabled by default as the
> current implementation is still experimental. Print
> a warning when users enable it so that it's obvious
> when the option is enabled.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> Cc: stable at vger.kernel.org
Reviewed-by: Christian K?nig <christian.koenig at amd.com>
> ---
> drivers/gpu/drm/radeon/radeon_i2c.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c
> b/drivers/gpu/drm/radeon/radeon_i2c.c
> index fc60b74..74bfbf8 100644
> --- a/drivers/gpu/drm/radeon/radeon_i2c.c
> +++ b/drivers/gpu/drm/radeon/radeon_i2c.c
> @@ -1020,6 +1020,9 @@ void radeon_i2c_destroy(struct radeon_i2c_chan *i2c)
> /* Add the default buses */
> void radeon_i2c_init(struct radeon_device *rdev)
> {
> + if (radeon_hw_i2c == 1)
> + DRM_INFO("hw_i2c forced on, you may experience display
> detection problems!\n");
> +
> if (rdev->is_atom_bios)
> radeon_atombios_i2c_init(rdev);
> else
