diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-01-06 21:19:16 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-01-07 14:11:23 +1000 |
| commit | a572eaa3726968555451ba301ff8c61e90e8c278 (patch) | |
| tree | 5f0a155b4e4e34ad98f07a742aad1bacf86702ed /drivers/gpu | |
| parent | f82b3ddc5fac044a28ab841bfd4ae48e2e43a21b (diff) | |
drm/radeon/kms: DCE5 atom spread spectrum updates
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index b3e5e754900..b0ab185b86f 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -403,6 +403,7 @@ union atom_enable_ss { ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2; ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1; ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2; + ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3; }; static void atombios_crtc_program_ss(struct drm_crtc *crtc, @@ -417,7 +418,30 @@ static void atombios_crtc_program_ss(struct drm_crtc *crtc, memset(&args, 0, sizeof(args)); - if (ASIC_IS_DCE4(rdev)) { + if (ASIC_IS_DCE5(rdev)) { + args.v3.usSpreadSpectrumAmountFrac = 0; + args.v3.ucSpreadSpectrumType = ss->type; + switch (pll_id) { + case ATOM_PPLL1: + args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL; + args.v3.usSpreadSpectrumAmount = ss->amount; + args.v3.usSpreadSpectrumStep = ss->step; + break; + case ATOM_PPLL2: + args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL; + args.v3.usSpreadSpectrumAmount = ss->amount; + args.v3.usSpreadSpectrumStep = ss->step; + break; + case ATOM_DCPLL: + args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL; + args.v3.usSpreadSpectrumAmount = 0; + args.v3.usSpreadSpectrumStep = 0; + break; + case ATOM_PPLL_INVALID: + return; + } + args.v2.ucEnable = enable; + } else if (ASIC_IS_DCE4(rdev)) { args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); args.v2.ucSpreadSpectrumType = ss->type; switch (pll_id) { |