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authorAlex Deucher <alexdeucher@gmail.com>2009-11-05 01:16:23 -0500
committerDave Airlie <airlied@redhat.com>2009-11-06 11:35:24 +1000
commit4170a6c1bc106d7fcf94f5842224ac4dac61006b (patch)
treed80e49a6ee44f11ee72df43debdba7b4aaa8bc3f /drivers/gpu
parentee59f2b462b0a7d2eb57ae59340d016589fa8e42 (diff)
downloadlinux-4170a6c1bc106d7fcf94f5842224ac4dac61006b.tar.bz2
drm/radeon/kms/atom/dce3: fix up usPixelClock calculation for Transmitter tables
Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/radeon_encoders.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 2aa5994a29d5..355b0fbed927 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -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;
@@ -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: