From e63d6c95079174e1d91628066e5c31e034649c58 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 31 Oct 2013 16:43:27 -0400 Subject: [PATCH] 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: Alex Deucher Cc: stable@vger.kernel.org --- drivers/gpu/drm/radeon/atombios_crtc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index bf87f6d..86d9ee0 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -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) -- 1.8.3.1