diff options
Diffstat (limited to 'src/amd')
| -rw-r--r-- | src/amd/common/sid.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/amd/common/sid.h b/src/amd/common/sid.h index 7f598cad9a0..3b3983fe277 100644 --- a/src/amd/common/sid.h +++ b/src/amd/common/sid.h @@ -151,7 +151,11 @@ #define PKT3_COND_WRITE 0x45 #define PKT3_EVENT_WRITE 0x46 #define PKT3_EVENT_WRITE_EOP 0x47 -#define PKT3_EVENT_WRITE_EOS 0x48 +/* CP DMA bug: Any use of CP_DMA.DST_SEL=TC must be avoided when EOS packets + * are used. Use DST_SEL=MC instead. For prefetch, use SRC_SEL=TC and + * DST_SEL=MC. Only CIK chips are affected. + */ +/*#define PKT3_EVENT_WRITE_EOS 0x48*/ /* fix CP DMA before uncommenting */ #define PKT3_ONE_REG_WRITE 0x57 /* not on CIK */ #define PKT3_ACQUIRE_MEM 0x58 /* new for CIK */ #define PKT3_SET_CONFIG_REG 0x68 |