Commit a103f347 authored by Masato Noguchi's avatar Masato Noguchi Committed by Arnd Bergmann

[CELL] spufs: limit saving MFC_CNTL bits

At save step 8, the mfc control register in the CSA should be written
_only_ with Sc and Sm bits (at least MFC_CNTL[Dh] should be set to 0)
Signed-off-by: default avatarMasato Noguchi <Masato.Noguchi@jp.sony.com>
Signed-off-by: default avatarJeremy Kerr <jk@ozlabs.org>
Signed-off-by: default avatarArnd Bergmann <arnd.bergmann@de.ibm.com>
parent d40a01d4
......@@ -180,7 +180,7 @@ static inline void save_mfc_cntl(struct spu_state *csa, struct spu *spu)
case MFC_CNTL_SUSPEND_COMPLETE:
if (csa) {
csa->priv2.mfc_control_RW =
in_be64(&priv2->mfc_control_RW) |
MFC_CNTL_SUSPEND_MASK |
MFC_CNTL_SUSPEND_DMA_QUEUE;
}
break;
......@@ -190,9 +190,7 @@ static inline void save_mfc_cntl(struct spu_state *csa, struct spu *spu)
MFC_CNTL_SUSPEND_DMA_STATUS_MASK) ==
MFC_CNTL_SUSPEND_COMPLETE);
if (csa) {
csa->priv2.mfc_control_RW =
in_be64(&priv2->mfc_control_RW) &
~MFC_CNTL_SUSPEND_DMA_QUEUE;
csa->priv2.mfc_control_RW = 0;
}
break;
}
......@@ -251,11 +249,8 @@ static inline void save_mfc_decr(struct spu_state *csa, struct spu *spu)
* Read MFC_CNTL[Ds]. Update saved copy of
* CSA.MFC_CNTL[Ds].
*/
if (in_be64(&priv2->mfc_control_RW) & MFC_CNTL_DECREMENTER_RUNNING) {
csa->priv2.mfc_control_RW |= MFC_CNTL_DECREMENTER_RUNNING;
} else {
csa->priv2.mfc_control_RW &= ~MFC_CNTL_DECREMENTER_RUNNING;
}
csa->priv2.mfc_control_RW |=
in_be64(&priv2->mfc_control_RW) & MFC_CNTL_DECREMENTER_RUNNING;
}
static inline void halt_mfc_decr(struct spu_state *csa, struct spu *spu)
......
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