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authorAlex Deucher <alexander.deucher@amd.com>2013-10-31 16:43:27 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-11-01 15:25:55 -0400
commit70471860ff9f335c60c004d42ebd48945bfa5403 (patch)
tree7cb65052ce26429ca4406e5817d54e3a437cd7ff /drivers/gpu/drm/radeon/atombios_crtc.c
parent6960394fe24b1ae93a4a2136862790140b0ad157 (diff)
downloadop-kernel-dev-70471860ff9f335c60c004d42ebd48945bfa5403.zip
op-kernel-dev-70471860ff9f335c60c004d42ebd48945bfa5403.tar.gz
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 <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c2
1 files changed, 1 insertions, 1 deletions
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)
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