diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-02-03 03:00:24 -0500 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2010-02-03 03:00:24 -0500 |
| commit | 710a2fd07235349f084ec40626cc28fbae523d27 (patch) | |
| tree | 7b3370e90956685e1d7cd542f6527c1ba4f5644e /src/atombios_crtc.c | |
| parent | 9ab2377ee23c5dc360ba135a77aa6b181a1862e6 (diff) | |
evergreen: pll fixes
SetPixelClock needs to be called for DP outputs with a
valid PLL.
Diffstat (limited to 'src/atombios_crtc.c')
| -rw-r--r-- | src/atombios_crtc.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/src/atombios_crtc.c b/src/atombios_crtc.c index da76df2b..5a88bad2 100644 --- a/src/atombios_crtc.c +++ b/src/atombios_crtc.c @@ -324,12 +324,13 @@ atombios_pick_pll(xf86CrtcPtr crtc) } } } + /* All DP ports need to use the same PPLL */ if (is_dp) - radeon_crtc->pll_id = 2; + radeon_crtc->pll_id = ATOM_PPLL2; else if (!(pll_use_mask & 1)) - radeon_crtc->pll_id = 0; + radeon_crtc->pll_id = ATOM_PPLL1; else - radeon_crtc->pll_id = 1; + radeon_crtc->pll_id = ATOM_PPLL2; } else radeon_crtc->pll_id = radeon_crtc->crtc_id; @@ -388,6 +389,7 @@ atombios_crtc_set_dcpll(xf86CrtcPtr crtc) switch(minor) { case 5: args.ucCRTC = ATOM_CRTC_INVALID; + /* XXX: get this from the firmwareinfo table */ args.usPixelClock = 60000; // 600 Mhz args.ucPostDiv = info->pll.pll_out_max / 60000; if (info->pll.reference_freq == 10000) { @@ -452,9 +454,6 @@ atombios_crtc_set_pll(xf86CrtcPtr crtc, DisplayModePtr mode) AtomBiosArgRec data; unsigned char *space; - if (IS_DCE4_VARIANT) - atombios_crtc_set_dcpll(crtc); - memset(&spc_param, 0, sizeof(spc_param)); if (IS_AVIVO_VARIANT) { if ((info->ChipFamily == CHIP_FAMILY_RS600) || @@ -482,12 +481,15 @@ atombios_crtc_set_pll(xf86CrtcPtr crtc, DisplayModePtr mode) /* disable spread spectrum clocking for now -- thanks Hedy Lamarr */ if (IS_DCE4_VARIANT) { /* XXX 6 crtcs, but only 2 plls */ - if (radeon_crtc->crtc_id == 0) { + switch (radeon_crtc->pll_id) { + case ATOM_PPLL1: temp = INREG(EVERGREEN_P1PLL_SS_CNTL); OUTREG(EVERGREEN_P1PLL_SS_CNTL, temp & ~EVERGREEN_PxPLL_SS_EN); - } else { + break; + case ATOM_PPLL2: temp = INREG(EVERGREEN_P2PLL_SS_CNTL); OUTREG(EVERGREEN_P2PLL_SS_CNTL, temp & ~EVERGREEN_PxPLL_SS_EN); + break; } } else { if (radeon_crtc->crtc_id == 0) { @@ -531,11 +533,6 @@ atombios_crtc_set_pll(xf86CrtcPtr crtc, DisplayModePtr mode) if (output->crtc == crtc) { radeon_output = output->driver_private; radeon_encoder = radeon_get_encoder(output); - /* no need to set pll for DP */ - if (IS_DCE4_VARIANT) { - if (atombios_get_encoder_mode(output) == ATOM_ENCODER_MODE_DP) - return; - } break; } } @@ -973,6 +970,8 @@ atombios_crtc_mode_set(xf86CrtcPtr crtc, RADEONInitMemMapRegisters(pScrn, info->ModeReg, info); RADEONRestoreMemMapRegisters(pScrn, info->ModeReg); + if (IS_DCE4_VARIANT) + atombios_crtc_set_dcpll(crtc); atombios_pick_pll(crtc); atombios_crtc_set_pll(crtc, adjusted_mode); if (IS_DCE4_VARIANT) |