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drm/radeon: warn users when hw_i2c is enabled (v2) 

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>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2014-01-07 10:05:02 -05:00
parent 1590f72d8c
commit d195178297
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/radeon/radeon_i2c.c
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@ -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