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author | Richard Zhao <richard.zhao@freescale.com> | 2011-03-16 10:37:52 +0800 |
---|---|---|
committer | Richard Zhao <richard.zhao@freescale.com> | 2011-04-20 15:22:29 +0800 |
commit | 249e9a770f075845d0634b984a7e959d0c96acad (patch) | |
tree | badf3bb3eb4ec4b4c6cf9b65a627d87da400c5ef | |
parent | a56f8b32b75996e04b109243e9ad678b28295622 (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 cba9fc32ab8..ae2eb4a0b86 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); |