diff options
| author |   Alex Deucher <alexander.deucher@amd.com> | 2012-10-05 10:22:02 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-10-15 13:21:00 -0400 |
| commit | 29dbe3bcd2e28e71823febdca989d63d5c27d152 (patch) | |
| tree | 167612c387fdc175e2b8aa9d74da30d9a751339e /drivers/gpu | |
| parent | drm/radeon: fix compilation with backlight disabled (diff) | |
| download | linux-dev-29dbe3bcd2e28e71823febdca989d63d5c27d152.tar.xz linux-dev-29dbe3bcd2e28e71823febdca989d63d5c27d152.zip | |
drm/radeon: allocate PPLLs from low to high
The order shouldn't matter, but there have been problems
reported on certain older asics. This behaves more
like the original code before the PPLL allocation
rework.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 96184d02c8d9..2e566e123e9e 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1690,10 +1690,10 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) } /* all other cases */ pll_in_use = radeon_get_pll_use_mask(crtc); - if (!(pll_in_use & (1 << ATOM_PPLL2))) - return ATOM_PPLL2; if (!(pll_in_use & (1 << ATOM_PPLL1))) return ATOM_PPLL1; + if (!(pll_in_use & (1 << ATOM_PPLL2))) + return ATOM_PPLL2; DRM_ERROR("unable to allocate a PPLL\n"); return ATOM_PPLL_INVALID; } else { @@ -1715,10 +1715,10 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) } /* all other cases */ pll_in_use = radeon_get_pll_use_mask(crtc); - if (!(pll_in_use & (1 << ATOM_PPLL2))) - return ATOM_PPLL2; if (!(pll_in_use & (1 << ATOM_PPLL1))) return ATOM_PPLL1; + if (!(pll_in_use & (1 << ATOM_PPLL2))) + return ATOM_PPLL2; DRM_ERROR("unable to allocate a PPLL\n"); return ATOM_PPLL_INVALID; } else { |