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Commit 70471860 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: don't share PPLLs on DCE4.1 

Sharing PPLLs seems to cause problems on some boards.

Bug:
https://bugs.freedesktop.org/show_bug.cgi?id=45334



Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 6960394f

drivers/gpu/drm/radeon/atombios_crtc.c

+1 −1
Original line number Diff line number Diff line
@@ -1753,7 +1753,7 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) 
				if (pll != ATOM_PPLL_INVALID)

					return pll;

			}

		} else {

		} else if (!ASIC_IS_DCE41(rdev)) { /* Don't share PLLs on DCE4.1 chips */

			/* use the same PPLL for all monitors with the same clock */

			pll = radeon_get_shared_nondp_ppll(crtc);

			if (pll != ATOM_PPLL_INVALID)