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| author | Richard Zhao <richard.zhao@freescale.com> | 2011-03-16 10:37:52 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-01-09 20:08:20 +0800 |
| commit | e4d06e87fba91d37670dec3540dca25c6539a4eb (patch) | |
| tree | 3a131f18caa1fcdf6e5bfca167cb90461420c5ee | |
| parent | 649651fa5c4d02dd3fdff575f4932f7680b2b212 (diff) | |
ENGR00140700 GPU: fix tiger run the second time causing system hang
The root cause is endless GSL_INTR_BLOCK_YDX_CP interrupt.
Apply interrupt status read work around only when yamato started.
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
| -rw-r--r-- | drivers/mxc/amd-gpu/common/gsl_intrmgr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mxc/amd-gpu/common/gsl_intrmgr.c b/drivers/mxc/amd-gpu/common/gsl_intrmgr.c index cba9fc32ab8c..ae2eb4a0b864 100644 --- a/drivers/mxc/amd-gpu/common/gsl_intrmgr.c +++ b/drivers/mxc/amd-gpu/common/gsl_intrmgr.c @@ -59,7 +59,7 @@ kgsl_intr_decode(gsl_device_t *device, gsl_intrblock_t block_id) // read the block's interrupt status bits /* exclude CP block here to avoid hang in heavy loading with VPU+GPU */ - if (block_id == GSL_INTR_BLOCK_YDX_CP) { + if ((block_id == GSL_INTR_BLOCK_YDX_CP) && (device->flags & GSL_FLAGS_STARTED)) { status = 0x80000000; } else { device->ftbl.device_regread(device, block->status_reg, &status); |