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authorAlex Deucher <alexdeucher@gmail.com>2009-11-04 18:48:03 -0500
committerAlex Deucher <alexdeucher@gmail.com>2009-11-04 18:48:03 -0500
commit3028374488cc0f34942ac372c8d05cf15898a613 (patch)
tree054a7c31b68eb150b2e7d013b7ed42208912d98f
parent52973e8f2c4104de60d00c0e5c29a31f77bf3de7 (diff)
ATOM/DCE3+: fix up usPixelClock calculation for Transmitter tables
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
-rw-r--r--src/atombios_output.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/atombios_output.c b/src/atombios_output.c
index bf26c1ba..4db5d0c9 100644
--- a/src/atombios_output.c
+++ b/src/atombios_output.c
@@ -651,10 +651,10 @@ atombios_output_dig_transmitter_setup(xf86OutputPtr output, int action)
cpu_to_le16(dp_link_clock_for_mode_clock(clock));
disp_data.v2.acConfig.fDPConnector = 1;
} else if (clock > 165000) {
- disp_data.v2.usPixelClock = cpu_to_le16((clock * 10 * 2) / 100);
+ disp_data.v2.usPixelClock = cpu_to_le16((clock / 2) / 10);
disp_data.v2.acConfig.fDualLinkConnector = 1;
} else {
- disp_data.v2.usPixelClock = cpu_to_le16((clock * 10 * 4) / 100);
+ disp_data.v2.usPixelClock = cpu_to_le16(clock / 10);
}
if (dig_block)
disp_data.v2.acConfig.ucEncoderSel = 1;
@@ -687,8 +687,10 @@ atombios_output_dig_transmitter_setup(xf86OutputPtr output, int action)
if (radeon_output->MonType == MT_DP)
disp_data.v1.usPixelClock =
cpu_to_le16(dp_link_clock_for_mode_clock(clock));
+ else if (clock > 165000)
+ disp_data.v1.usPixelClock = cpu_to_le16((clock / 2) / 10);
else
- disp_data.v1.usPixelClock = cpu_to_le16((clock) / 10);
+ disp_data.v1.usPixelClock = cpu_to_le16(clock / 10);
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: