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    Subject[PATCH 3.5 39/88] drm/radeon: warn users when hw_i2c is enabled (v2)
    Date
    3.5.7.30 -stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Alex Deucher <alexander.deucher@amd.com>

    commit d195178297de9a91246519dbfa98952b70f9a9b6 upstream.

    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.

    v2: check for non-0 rather than 1

    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Reviewed-by: Christian König <christian.koenig@amd.com>
    Signed-off-by: Luis Henriques <luis.henriques@canonical.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 6076e85..19d68c5 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)
    + DRM_INFO("hw_i2c forced on, you may experience display detection problems!\n");
    +
    if (rdev->is_atom_bios)
    radeon_atombios_i2c_init(rdev);
    else
    --
    1.8.3.2
    --
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