[Bug 68451] [regression] Baytrail/T video no longer works on ASUS T100TA

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=68451

--- Comment #16 from Alan <alan at lxorguk.ukuu.org.uk> ---
The differences are small between the 3.13 ones

-                     DPLL_A_MD: 0x04c75adf
+                     DPLL_A_MD: 0x0c875a9f


-                        DPLL_B: 0x04c75adf (disabled, non-dvo, VGA, TV B/C
cloc
k, DAC/serial mode, p1 = 1, p2 = 10)
+                        DPLL_B: 0x0c875a9f (disabled, non-dvo, VGA, TV B/C
cloc
k, unknown mode, p1 = 1, p2 = 0)

 pipe B dot 0 n 0 m1 0 m2 0 p1 1 p2 10
-                 FENCE START 0: 0x00c5b003
-                   FENCE END 0: 0x0105a01f
-                 FENCE START 1: 0x010e9001
-                   FENCE END 1: 0x013e801f
-                 FENCE START 2: 0x00393001
-                   FENCE END 2: 0x0069201f
+                 FENCE START 0: 0x006e1001
+                   FENCE END 0: 0x00b0002b
+                 FENCE START 1: 0x00000000
+                   FENCE END 1: 0x00000000
+                 FENCE START 2: 0x00000000
+                   FENCE END 2: 0x00000000


Comparing 3.11 with vga= with 3.13 in workig form is similar differences (DPLL
and fences) but also

-                    GEN6_PMIMR: 0x00000000
-                GEN6_PMINTRMSK: 0x00000000
+                    GEN6_PMIMR: 0xffffff8f
+                GEN6_PMINTRMSK: 0x0000000a

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