AMD M56 Reference Manual page 293

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D2CRTC_PIXEL_DATA_BLUE_CB (R)
D2CRTC_PIXEL_DATA_GREEN_Y (R)
D2CRTC_PIXEL_DATA_RED_CR (R)
Read back of the CRTC2 pixel data sent to DISPOUT. This is a debug register. Intended for use in one shot clocking mode.
Field Name
D2CRTC_STEREO_FORCE_NEXT_EYE (W)
Force Next Eye register
Field Name
D2CRTC_MASTER_EN
D2CRTC_SYNC_RESET_SEL
D2CRTC_DISABLE_POINT_CNTL
D2CRTC_CURRENT_MASTER_EN_STATE (R)
D2CRTC_DISP_READ_REQUEST_DISABLE
Controls CRTC2 timing generator and data read request to display2
Field Name
D2CRTC_CURRENT_BLANK_STATE (R)
© 2007 Advanced Micro Devices, Inc.
Proprietary
9:0
19:10
29:20
D2CRTC_STEREO_FORCE_NEXT_EYE - RW - 32 bits - DISPDEC:0x687C
Bits
1:0
D2CRTC_CONTROL - RW - 32 bits - DISPDEC:0x6880
Bits
0
4
9:8
16
24
D2CRTC_BLANK_CONTROL - RW - 32 bits - DISPDEC:0x6884
Bits
0
0x0
B/Cb component sent to DISPOUT
0x0
G/Y component sent to DISPOUT
0x0
R/Cr component sent to DISPOUT
Default
0x0
Force next frame eye view - One shot.
00: No force - next eye opposite of current eye
01: Right eye force - force right eye next field/frame
10: Left eye force - force right eye next field/frame
11: Reserved
After a force has occurred, readback of this register will be 00
Default
0x0
Enables/Disables CRTC2. H counter is at H_TOTAL and V counter is
at first line of blank when CRTC is disabled.
0 = disabled
1 = enabled
0x0
Allows power management to lower CRTC2 enable.
0x1
When D2CRTC_MASTER_EN is set to 0, delay the disabling of
CRTC2 until certain point within the frame
00 = disable CRTC immediately
01 = delay disable CRTC until the end of the current line
10 = reserved
11 = delay disable CRTC until end of the first line in the vertical blank
region
0x0
Read-only field indicates the current status of the timing generator.
Can be used to poll for when a delayed disable takes effect.
0 = CRTC is disabled
1 = CRTC is enabled
0x0
Disables data read request from the display controller. Can be used
to stop display reads from system memory but keep display timing
generation running. Has no effect if CRTC is disabled.
0 = do not disable data read request
1 = disable data read request
Default
0x0
Read only status indicating current state of display blanking.
0 = screen not blanked
1 = screen is blanked
CRTC Registers
Description
Description
Description
M56 Register Reference Manual
2-287

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