From 641998701b9e4265be5d2cc6cc645ffdf6cd9385 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 20 Mar 2012 17:18:33 -0400 Subject: [PATCH] drm/radeon/kms: disable PPLL0 on DCE6.1 when not in use Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/atombios_crtc.c | 8 ++++++++ 1 file changed, 8 insertions(+) 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; } -- GitLab