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msm: kgsl: Write the retired timestamp on resume

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Write the retired timestamp into the expected location. This fixes
userspace crashes after resume when the retired timestamp is read
as 0 instead of the expected last timestamp.
This commit is contained in:
securecrt 2012-07-23 18:59:50 +08:00
parent 148ebef127
commit ee339b2bcb
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/msm/adreno_ringbuffer.c
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@ -309,6 +309,11 @@ int adreno_ringbuffer_start(struct adreno_ringbuffer *rb, unsigned int init_ram)
adreno_regwrite(device, REG_SCRATCH_UMSK,
GSL_RB_MEMPTRS_SCRATCH_MASK);
/* update the eoptimestamp field with the last retired timestamp */
kgsl_sharedmem_writel(&device->memstore,
KGSL_DEVICE_MEMSTORE_OFFSET(eoptimestamp),
rb->timestamp);
/* load the CP ucode */
status = adreno_ringbuffer_load_pm4_ucode(device);