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Correct a couple of packet length calculations.

main
Keith Whitwell 2004-07-23 16:12:27 +00:00
parent 6ed7e36f4c
commit 1e5354e867
2 changed files with 16 additions and 2 deletions
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9
shared-core/i915_dma.c
View File

@ -306,7 +306,14 @@ static int do_validate_cmd( int cmd )
case 0x1c: case 0x1c:
return 1; return 1;
case 0x1d: case 0x1d:
return (cmd & 0xffff) + 2; switch ((cmd>>16)&0xff) {
case 0x3:
return (cmd & 0x1f) + 2;
case 0x4:
return (cmd & 0xf) + 2;
default:
return (cmd & 0xffff) + 2;
}
case 0x1e: case 0x1e:
if (cmd & (1<<23)) if (cmd & (1<<23))
return (cmd & 0xffff) + 1; return (cmd & 0xffff) + 1;

9
shared/i915_dma.c
View File

@ -306,7 +306,14 @@ static int do_validate_cmd( int cmd )
case 0x1c: case 0x1c:
return 1; return 1;
case 0x1d: case 0x1d:
return (cmd & 0xffff) + 2; switch ((cmd>>16)&0xff) {
case 0x3:
return (cmd & 0x1f) + 2;
case 0x4:
return (cmd & 0xf) + 2;
default:
return (cmd & 0xffff) + 2;
}
case 0x1e: case 0x1e:
if (cmd & (1<<23)) if (cmd & (1<<23))
return (cmd & 0xffff) + 1; return (cmd & 0xffff) + 1;