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authorAlex Deucher <alexdeucher@gmail.com>2012-03-20 17:18:33 -0400
committerDave Airlie <airlied@redhat.com>2012-03-21 06:55:56 +0000
commit641998701b9e4265be5d2cc6cc645ffdf6cd9385 (patch)
tree27160e31262ac658b05639a684c14787249378df /drivers/gpu/drm
parent24e1f7947b1b93e77a60c8a88cf46ee5ae8f258a (diff)
downloadlinux-641998701b9e4265be5d2cc6cc645ffdf6cd9385.tar.bz2
drm/radeon/kms: disable PPLL0 on DCE6.1 when not in use
Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 92263af38f56..a5c4e3fa6bb2 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1646,6 +1646,8 @@ static void atombios_crtc_commit(struct drm_crtc *crtc)
static void atombios_crtc_disable(struct drm_crtc *crtc)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
struct radeon_atom_ss ss;
atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
@@ -1657,6 +1659,12 @@ static void atombios_crtc_disable(struct drm_crtc *crtc)
atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
break;
+ case ATOM_PPLL0:
+ /* disable the ppll */
+ if (ASIC_IS_DCE61(rdev))
+ atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
+ 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
+ break;
default:
break;
}