| From | Kamal Mostafa <> | Subject | [PATCH 3.8 044/152] drm/radeon: don't share PPLLs on DCE4.1 | Date | Fri, 6 Dec 2013 15:09:28 -0800 |
| |
3.8.13.14 -stable review patch. If anyone has any objections, please let me know.
------------------
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: Kamal Mostafa <kamal@canonical.com> --- 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 6d6fdb3..ef32bf6 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1683,7 +1683,7 @@ 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) -- 1.8.3.2
|