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FROMLIST: drm/msm: adreno: fix deferencing ifpc_reglist when not decl… #524

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Merged
quic-rajeshk merged 1 commit into from
Jan 28, 2026
Merged

FROMLIST: drm/msm: adreno: fix deferencing ifpc_reglist when not decl… #524

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18 changes: 10 additions & 8 deletions drivers/gpu/drm/msm/adreno/a6xx_gpu.c
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Original file line number Diff line number Diff line change
Expand Up @@ -873,15 +873,17 @@ static void a7xx_patch_pwrup_reglist(struct msm_gpu *gpu)
lock->gpu_req = lock->cpu_req = lock->turn = 0;

reglist = adreno_gpu->info->a6xx->ifpc_reglist;
lock->ifpc_list_len = reglist->count;
if (reglist) {
lock->ifpc_list_len = reglist->count;

/*
* For each entry in each of the lists, write the offset and the current
* register value into the GPU buffer
*/
for (i = 0; i < reglist->count; i++) {
*dest++ = reglist->regs[i];
*dest++ = gpu_read(gpu, reglist->regs[i]);
/*
* For each entry in each of the lists, write the offset and the current
* register value into the GPU buffer
*/
for (i = 0; i < reglist->count; i++) {
*dest++ = reglist->regs[i];
*dest++ = gpu_read(gpu, reglist->regs[i]);
}
}

reglist = adreno_gpu->info->a6xx->pwrup_reglist;
Expand Down