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msm: kgsl: Fix snapshot collection for gmu wrapper registers

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Use adreno_read_gmu_wrapper for reading gmu wrapper registers
region for a619_holi target.

Change-Id: Ia9451c2dbc81958f80931a99db5a95a106995e50
Signed-off-by: Pankaj Gupta <gpankaj@codeaurora.org>
This commit is contained in:
Pankaj Gupta 2020-08-04 17:31:17 +05:30
commit dbe9fa886d
1 changed files with 54 additions and 1 deletions
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55
drivers/gpu/msm/adreno_a6xx_snapshot.c
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@ -1636,6 +1636,50 @@ static size_t a6xx_snapshot_isense_registers(struct kgsl_device *device,
return (count * 8) + sizeof(*header);
}
/* Snapshot gmu wrapper registers */
static size_t a6xx_snapshot_gmu_wrapper_registers(struct kgsl_device *device,
u8 *buf, size_t remain, void *priv)
{
struct kgsl_snapshot_regs *header = (struct kgsl_snapshot_regs *)buf;
struct kgsl_snapshot_registers *regs = priv;
unsigned int *data = (unsigned int *)(buf + sizeof(*header));
int count = 0, j, k;
struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
/* Figure out how many registers we are going to dump */
for (j = 0; j < regs->count; j++) {
int start = regs->regs[j * 2];
int end = regs->regs[j * 2 + 1];
count += (end - start + 1);
}
if (remain < (count * 8) + sizeof(*header)) {
SNAPSHOT_ERR_NOMEM(device, "GMU WRAPPER REGS");
return 0;
}
for (j = 0; j < regs->count; j++) {
unsigned int start = regs->regs[j * 2];
unsigned int end = regs->regs[j * 2 + 1];
for (k = start; k <= end; k++) {
unsigned int val;
adreno_read_gmu_wrapper(adreno_dev, k, &val);
*data++ = k;
*data++ = val;
}
}
header->count = count;
/* Return the size of the section */
return (count * 8) + sizeof(*header);
}
/* Snapshot the preemption related buffers */
static size_t snapshot_preemption_record(struct kgsl_device *device,
u8 *buf, size_t remain, void *priv)
@ -1700,10 +1744,19 @@ void a6xx_snapshot(struct adreno_device *adreno_dev,
snapshot, a6xx_snapshot_isense_registers, &r);
}
if (!gmu_core_isenabled(device))
if (adreno_is_a619_holi(adreno_dev)) {
struct kgsl_snapshot_registers r;
r.regs = a6xx_gmu_wrapper_registers;
r.count = ARRAY_SIZE(a6xx_gmu_wrapper_registers) / 2;
kgsl_snapshot_add_section(device, KGSL_SNAPSHOT_SECTION_REGS,
snapshot, a6xx_snapshot_gmu_wrapper_registers, &r);
} else if (!gmu_core_isenabled(device)) {
adreno_snapshot_registers(device, snapshot,
a6xx_gmu_wrapper_registers,
ARRAY_SIZE(a6xx_gmu_wrapper_registers) / 2);
}
sptprac_on = gpudev->sptprac_is_on(adreno_dev);