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>

parent aa4c8b36

drivers/gpu/drm/radeon/atombios_crtc.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1901,6 +1901,9 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc,
		(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))