| commit | cde10122dc126a223e783f0b40bdb08cc332ab17 | [log] [tgz] |
|---|---|---|
| author | Christian König <christian.koenig@amd.com> | Fri May 02 14:27:42 2014 +0200 |
| committer | Christian König <christian.koenig@amd.com> | Tue May 06 12:18:42 2014 +0200 |
| tree | d0072c3a7c8fd5eec362572240af3970beb349d1 | |
| parent | aa4c8b36e5fcf70ba5ec7d175da19dac4a33c51a [diff] |
drm/radeon: check that we have a clock before PLL setup Partially fixes: https://bugzilla.kernel.org/show_bug.cgi?id=75211 Signed-off-by: Christian König <christian.koenig@amd.com>
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 229be38..b7983aa 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1901,6 +1901,9 @@ (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) is_tvcv = true; + if (!radeon_crtc->adjusted_clock) + return -EINVAL; + atombios_crtc_set_pll(crtc, adjusted_mode); if (ASIC_IS_DCE4(rdev))