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drm/radeon/kms/atom/dce3: fix up usPixelClock calculation for Transmi…
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…tter tables

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Alex Deucher authored and Dave Airlie committed Nov 6, 2009
1 parent ee59f2b commit 4170a6c
Showing 1 changed file with 6 additions and 3 deletions.
9 changes: 6 additions & 3 deletions drivers/gpu/drm/radeon/radeon_encoders.c
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Original file line number Diff line number Diff line change
Expand Up @@ -725,10 +725,10 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action)

if (ASIC_IS_DCE32(rdev)) {
if (radeon_encoder->pixel_clock > 165000) {
args.v2.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock * 10 * 2) / 100);
args.v2.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock / 2) / 10);
args.v2.acConfig.fDualLinkConnector = 1;
} else {
args.v2.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock * 10 * 4) / 100);
args.v2.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
}
if (dig->dig_block)
args.v2.acConfig.ucEncoderSel = 1;
Expand All @@ -754,7 +754,10 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action)
}
} else {
args.v1.ucConfig = ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL;
args.v1.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock) / 10);
if (radeon_encoder->pixel_clock > 165000)
args.v1.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock / 2) / 10);
else
args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);

switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
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