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Derive lvds_dual_channel from EDID timings.

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Based on the info by Felix Held.

Change-Id: Iab84dd8a0e3c942da20a6e21db5510e4ad16cadd
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/11857
Tested-by: build bot (Jenkins)
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This commit is contained in:
Vladimir Serbinenko
2015-10-10 23:58:08 +02:00
parent 68c70994e5
commit 551cff08d5
22 changed files with 51 additions and 49 deletions
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1
util/autoport/sandybridge.go
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@@ -54,7 +54,6 @@ func (i sandybridgemc) Scan(ctx Context, addr PCIDevData) {
"gpu_cpu_backlight": FormatHex32(inteltool.IGD[0x48254]),
"gpu_pch_backlight": FormatHex32((inteltool.IGD[0xc8254] >> 16) * 0x10001),
"gfx.use_spread_spectrum_clock": FormatBool((inteltool.IGD[0xc6200]>>12)&1 != 0),
"gfx.lvds_dual_channel": FormatBool(dualChannel),
"gfx.lvds_num_lanes": FormatInt32(num_lanes),
"gfx.link_frequency_270_mhz": FormatBool(link_frequency > 200000),
/* FIXME:XX hardcoded. */