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-rw-r--r--Documentation/EDID/edid.S17
1 files changed, 14 insertions, 3 deletions
diff --git a/Documentation/EDID/edid.S b/Documentation/EDID/edid.S
index ea97ae275fca..7ac03276d7a2 100644
--- a/Documentation/EDID/edid.S
+++ b/Documentation/EDID/edid.S
@@ -33,6 +33,17 @@
#define XY_RATIO_5_4 0b10
#define XY_RATIO_16_9 0b11
+/* Provide defaults for the timing bits */
+#ifndef ESTABLISHED_TIMING1_BITS
+#define ESTABLISHED_TIMING1_BITS 0x00
+#endif
+#ifndef ESTABLISHED_TIMING2_BITS
+#define ESTABLISHED_TIMING2_BITS 0x00
+#endif
+#ifndef ESTABLISHED_TIMING3_BITS
+#define ESTABLISHED_TIMING3_BITS 0x00
+#endif
+
#define mfgname2id(v1,v2,v3) \
((((v1-'@')&0x1f)<<10)+(((v2-'@')&0x1f)<<5)+((v3-'@')&0x1f))
#define swap16(v1) ((v1>>8)+((v1&0xff)<<8))
@@ -139,7 +150,7 @@ white_x_y_msb: .byte 0x50,0x54
Bit 2 640x480 @ 75 Hz
Bit 1 800x600 @ 56 Hz
Bit 0 800x600 @ 60 Hz */
-estbl_timing1: .byte 0x00
+estbl_timing1: .byte ESTABLISHED_TIMING1_BITS
/* Bit 7 800x600 @ 72 Hz
Bit 6 800x600 @ 75 Hz
@@ -149,11 +160,11 @@ estbl_timing1: .byte 0x00
Bit 2 1024x768 @ 72 Hz
Bit 1 1024x768 @ 75 Hz
Bit 0 1280x1024 @ 75 Hz */
-estbl_timing2: .byte ESTABLISHED_TIMINGS_BITS
+estbl_timing2: .byte ESTABLISHED_TIMING2_BITS
/* Bit 7 1152x870 @ 75 Hz (Apple Macintosh II)
Bits 6-0 Other manufacturer-specific display mod */
-estbl_timing3: .byte 0x00
+estbl_timing3: .byte ESTABLISHED_TIMING3_BITS
/* Standard timing */
/* X resolution, less 31, divided by 8 (256-2288 pixels) */