diff options
author | Alex Deucher <alexdeucher@gmail.com> | 2009-11-23 12:12:02 -0500 |
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committer | Alex Deucher <alexdeucher@gmail.com> | 2009-11-23 12:41:05 -0500 |
commit | b9eb2380df5145c85b2ef694a04628c055c47429 (patch) | |
tree | 88b219eb8c87506a2da978f2a9f135d70ba2840d /src/atombios_output.c | |
parent | d0dd5122d8d75b7c4a72df07dc7f562b2e75dd5e (diff) |
DCE3.2: fix uniphy2 dvi issues
In some cases the atom transmitter table sets the
golden value of this reg differently which some monitors
don't like. I haven't had time to dig further, so this
works around it for now.
Fixes fdo bug 24313
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Diffstat (limited to 'src/atombios_output.c')
-rw-r--r-- | src/atombios_output.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/atombios_output.c b/src/atombios_output.c index d85c3f6a..ac30fa31 100644 --- a/src/atombios_output.c +++ b/src/atombios_output.c @@ -1484,6 +1484,18 @@ atombios_apply_output_quirks(xf86OutputPtr output, DisplayModePtr mode) if (IS_AVIVO_VARIANT && (mode->Flags & V_INTERLACE)) OUTREG(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, AVIVO_D1MODE_INTERLEAVE_EN); } + + if (IS_DCE32_VARIANT && (radeon_output->active_device & (ATOM_DEVICE_DFP_SUPPORT))) { + radeon_encoder_ptr radeon_encoder = radeon_get_encoder(output); + if (radeon_encoder == NULL) + return; + /* XXX: need to sort out why transmitter control table sometimes sets this to a + * different golden value. + */ + if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY2) { + OUTREG(0x7ec4, 0x00824002); + } + } } void |