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-rw-r--r--src/atombios_output.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/atombios_output.c b/src/atombios_output.c
index 57345b34..66a86f47 100644
--- a/src/atombios_output.c
+++ b/src/atombios_output.c
@@ -1472,6 +1472,18 @@ atombios_apply_output_quirks(xf86OutputPtr output, DisplayModePtr mode)
/* set scaler clears this on some chips */
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