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Display Controller Registers
2.7.15 Secondary Display Video Overlay Gamma Correction Registers
Field Name
D2OVL_PWL_TRANSFORM_EN
Secondary overlay gamma correction enable.
Field Name
D2OVL_PWL_0TOF_OFFSET
D2OVL_PWL_0TOF_SLOPE
Secondary overlay gamma correction non-linear offset and slope for input 0x0-0xF
Field Name
D2OVL_PWL_10TO1F_OFFSET
D2OVL_PWL_10TO1F_SLOPE
Secondary overlay gamma correction non-linear offset and slope for input 0x10-0x1F
Field Name
D2OVL_PWL_20TO3F_OFFSET
D2OVL_PWL_20TO3F_SLOPE
Secondary overlay gamma correction non-linear offset and slope for input 0x20-0x3F
Field Name
D2OVL_PWL_40TO7F_OFFSET
D2OVL_PWL_40TO7F_SLOPE
Secondary overlay gamma correction non-linear offset and slope for input 40-7F.
M56 Register Reference Manual
2-242
D2OVL_PWL_TRANSFORM_EN - RW - 32 bits - DISPDEC:0x6A80
Bits
0
D2OVL_PWL_0TOF - RW - 32 bits - DISPDEC:0x6A84
Bits
8:0
26:16
D2OVL_PWL_10TO1F - RW - 32 bits - DISPDEC:0x6A88
Bits
8:0
26:16
D2OVL_PWL_20TO3F - RW - 32 bits - DISPDEC:0x6A8C
Bits
9:0
25:16
D2OVL_PWL_40TO7F - RW - 32 bits - DISPDEC:0x6A90
Bits
9:0
24:16
Default
0x0
Secondary overlay gamma correction enable.
0=disable
1=enable
Default
0x0
Secondary overlay gamma correction non-linear offset for input
0x0-0xF. Format fix-point 8.1 (0.0 to +255.5).
0x100
Secondary overlay gamma correction non-linear slope for input
0x0-0xF. Format fix-point 3.8 (0.00 to +7.99).
Default
0x20
Secondary overlay gamma correction non-linear offset for input
0x10-0x1F. Format fix-point 8.1 (0.0 to +255.5).
0x100
Secondary overlay gamma correction non-linear slope for input
0x10-0x1F. Format fix-point 3.8 (0.00 to +7.99).
Default
0x40
Secondary overlay gamma correction non-linear offset for input
0x20-0x3F. Format fix-point 9.1 (0.0 to +511.5).
0x100
Secondary overlay gamma correction non-linear slope for input
0x20-0x3F. Format fix-point 2.8 (0.00 to +3.99).
Default
0x80
Secondary overlay gamma correction non-linear offset for input
40-7F. Format fix-point 9.1 (0.0 to +511.5).
0x100
Secondary overlay gamma correction non-linear slope for input
40-7F. Format fix-point 1.8 (0.00 to +1.99).
Description
Description
Description
Description
Description
© 2007 Advanced Micro Devices, Inc.
Proprietary
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