| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.12 136/212] drm/radeon: dont share PPLLs on DCE4.1 | Date | Mon, 2 Dec 2013 11:15:27 -0800 |
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3.12-stable review patch. If anyone has any objections, please let me know.
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From: Alex Deucher <alexander.deucher@amd.com>
commit 70471860ff9f335c60c004d42ebd48945bfa5403 upstream.
Sharing PPLLs seems to cause problems on some boards.
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=45334
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/radeon/atombios_crtc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- 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 d 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)
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