diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-10-27 11:39:06 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2009-10-27 11:39:06 -0400 |
| commit | 5a0019126a57138ee506d9a66738c9e8b75cbb96 (patch) | |
| tree | 3f5cddab19cf311b793c604da4bc109233ba9a22 | |
| parent | 2a6eeec72d6bb04a32225883f431c1d2e8cff123 (diff) | |
radeon: fix DVO on AVIVO chips
DVO generally requires 2x ppll on AVIVO cards due to the
way the tmds chip is wired up. Because of this, disable
cloning of DVO outputs.
fixes fdo bug 21857.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
| -rw-r--r-- | src/atombios_crtc.c | 10 | ||||
| -rw-r--r-- | src/radeon_output.c | 7 |
2 files changed, 16 insertions, 1 deletions
diff --git a/src/atombios_crtc.c b/src/atombios_crtc.c index d513c13..fb7728f 100644 --- a/src/atombios_crtc.c +++ b/src/atombios_crtc.c @@ -324,6 +324,16 @@ atombios_crtc_set_pll(xf86CrtcPtr crtc, DisplayModePtr mode) else pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; + for (i = 0; i < xf86_config->num_output; i++) { + xf86OutputPtr output = xf86_config->output[i]; + if (output->crtc == crtc) { + radeon_encoder = radeon_get_encoder(output); + /* DVO seems to want 2x pixel clock */ + if (radeon_encoder && (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)) + sclock *= 2; + } + } + /* disable spread spectrum clocking for now -- thanks Hedy Lamarr */ if (radeon_crtc->crtc_id == 0) { temp = INREG(AVIVO_P1PLL_INT_SS_CNTL); diff --git a/src/radeon_output.c b/src/radeon_output.c index a252363..6e00ab8 100644 --- a/src/radeon_output.c +++ b/src/radeon_output.c @@ -2634,16 +2634,21 @@ radeon_output_clones (ScrnInfoPtr pScrn, xf86OutputPtr output) int index_mask = 0; /* DIG routing gets problematic */ - if (IS_DCE32_VARIANT) + if (info->ChipFamily >= CHIP_FAMILY_R600) return index_mask; /* LVDS is too wacky */ if (radeon_output->devices & (ATOM_DEVICE_LCD_SUPPORT)) return index_mask; + /* TV requires very specific timing */ if (radeon_output->devices & (ATOM_DEVICE_TV_SUPPORT)) return index_mask; + /* DVO requires 2x ppll clocks depending on the tmds chip */ + if (radeon_output->devices & (ATOM_DEVICE_DFP2_SUPPORT)) + return index_mask; + for (o = 0; o < config->num_output; o++) { xf86OutputPtr clone = config->output[o]; RADEONOutputPrivatePtr radeon_clone = clone->driver_private; |