static int a2xx_drawctxt_create(struct adreno_device *adreno_dev,
struct adreno_context *drawctxt)
{
int ret;
ret = kgsl_allocate(&drawctxt->gpustate,
drawctxt->pagetable, _context_size(adreno_dev));
if (ret)
return ret;
kgsl_sharedmem_set(&drawctxt->gpustate, 0, 0,
_context_size(adreno_dev));
tmp_ctx.cmd = tmp_ctx.start
= (unsigned int *)((char *)drawctxt->gpustate.hostptr + CMD_OFFSET);
if (!(drawctxt->flags & CTXT_FLAGS_PREAMBLE)) {
ret = a2xx_create_gpustate_shadow(adreno_dev, drawctxt);
if (ret)
goto done;
drawctxt->flags |= CTXT_FLAGS_SHADER_SAVE;
}
if (!(drawctxt->flags & CTXT_FLAGS_NOGMEMALLOC)) {
ret = a2xx_create_gmem_shadow(adreno_dev, drawctxt);
if (ret)
goto done;
}
kgsl_cache_range_op(&drawctxt->gpustate,
KGSL_CACHE_OP_FLUSH);
kgsl_cffdump_syncmem(NULL, &drawctxt->gpustate,
drawctxt->gpustate.gpuaddr,
drawctxt->gpustate.size, false);
done:
if (ret)
kgsl_sharedmem_free(&drawctxt->gpustate);
return ret;
}
/* create buffers for saving/restoring registers, constants, & GMEM */
static int a2xx_ctxt_gpustate_shadow(struct adreno_device *adreno_dev,
struct adreno_context *drawctxt)
{
int result;
/* Allocate vmalloc memory to store the gpustate */
result = kgsl_allocate(&drawctxt->gpustate,
drawctxt->pagetable, _context_size(adreno_dev));
if (result)
return result;
drawctxt->flags |= CTXT_FLAGS_STATE_SHADOW;
/* Blank out h/w register, constant, and command buffer shadows. */
kgsl_sharedmem_set(&drawctxt->gpustate, 0, 0,
_context_size(adreno_dev));
/* set-up command and vertex buffer pointers */
tmp_ctx.cmd = tmp_ctx.start
= (unsigned int *)((char *)drawctxt->gpustate.hostptr + CMD_OFFSET);
/* build indirect command buffers to save & restore regs/constants */
adreno_idle(&adreno_dev->dev, KGSL_TIMEOUT_DEFAULT);
build_regrestore_cmds(adreno_dev, drawctxt);
build_regsave_cmds(adreno_dev, drawctxt);
build_shader_save_restore_cmds(adreno_dev, drawctxt);
kgsl_cache_range_op(&drawctxt->gpustate,
KGSL_CACHE_OP_FLUSH);
kgsl_cffdump_syncmem(NULL, &drawctxt->gpustate,
drawctxt->gpustate.gpuaddr,
drawctxt->gpustate.size, false);
return 0;
}