static void setup_save(struct host1x_hwctx_handler *p, u32 *ptr)
{
int pipe, i;
unsigned int old_restore_count, incr_count;
struct gpu_info gpu_info;
struct save_info info = {
ptr,
SAVE_BEGIN_V1_SIZE,
RESTORE_BEGIN_SIZE,
SAVE_INCRS,
1
};
if (info.ptr) {
save_begin_v1(p, info.ptr);
info.ptr += SAVE_BEGIN_V1_SIZE;
}
tegra_gpu_get_info(&gpu_info);
/* save regs for per pixel pipe, this has to be before the global
* one. Advance the rest of the pipes' output pointer to match with
* the pipe 0's.
*/
for (pipe = 1; pipe < gpu_info.num_pixel_pipes; pipe++)
incr_mem_output_pointer(&info, pipe, RESTORE_BEGIN_SIZE);
for (pipe = gpu_info.num_pixel_pipes - 1; pipe >= 0; pipe--) {
old_restore_count = info.restore_count;
setup_save_regs(&info,
ctxsave_regs_3d_per_pipe,
ARRAY_SIZE(ctxsave_regs_3d_per_pipe),
(unsigned int) pipe);
/* Advance the rest of the pipes' output pointer to match with
* the current pipe's one.
*/
incr_count = info.restore_count - old_restore_count;
for (i = 0; i < pipe; i++)
incr_mem_output_pointer(&info, (unsigned int) i,
incr_count);
}
/* save regs for global. Use pipe 0 to do the save */
setup_save_regs(&info,
ctxsave_regs_3d_global,
ARRAY_SIZE(ctxsave_regs_3d_global), 0);
if (info.ptr) {
save_end_v1(p, info.ptr);
info.ptr += SAVE_END_V1_SIZE;
}
wmb();
p->save_size = info.save_count + SAVE_END_V1_SIZE;
p->restore_size = info.restore_count + RESTORE_END_SIZE;
p->save_incrs = info.save_incrs;
p->h.save_thresh = p->save_incrs;
p->restore_incrs = info.restore_incrs;
}
static void setup_save(struct host1x_hwctx_handler *p, u32 *ptr)
{
struct save_info info = {
ptr,
SAVE_BEGIN_V1_SIZE,
RESTORE_BEGIN_SIZE,
SAVE_INCRS,
1
};
int save_end_size = SAVE_END_V1_SIZE;
if (info.ptr) {
save_begin_v1(p, info.ptr);
info.ptr += SAVE_BEGIN_V1_SIZE;
}
/* read from set0, write cmds through set0, restore to set0 and 1 */
switch_gpu(&info, 0, 1, 3);
/* save regs that are common to both sets */
setup_save_regs(&info,
ctxsave_regs_3d_global,
ARRAY_SIZE(ctxsave_regs_3d_global));
/* read from set 0, write cmds through set0, restore to set0 */
switch_gpu(&info, 0, 1, 1);
/* save set 0 specific regs */
setup_save_regs(&info,
ctxsave_regs_3d_perset,
ARRAY_SIZE(ctxsave_regs_3d_perset));
/* read from set1, write cmds through set1, restore to set1 */
switch_gpu(&info, 1, 2, 2);
/* note offset at which set 1 restore starts */
restore_set1_offset = info.restore_count;
/* save set 1 specific regs */
setup_save_regs(&info,
ctxsave_regs_3d_perset,
ARRAY_SIZE(ctxsave_regs_3d_perset));
/* read from set0, write cmds through set1, restore to set0 and 1 */
switch_gpu(&info, 0, 2, 3);
if (info.ptr) {
save_end_v1(p, info.ptr);
info.ptr += SAVE_END_V1_SIZE;
}
wmb();
p->save_size = info.save_count + save_end_size;
p->restore_size = info.restore_count + RESTORE_END_SIZE;
p->save_incrs = info.save_incrs;
p->save_thresh = p->save_incrs - SAVE_THRESH_OFFSET;
p->restore_incrs = info.restore_incrs;
}
static void __init setup_save(u32 *ptr)
{
struct save_info info = {
ptr,
SAVE_BEGIN_V1_SIZE,
RESTORE_BEGIN_SIZE,
SAVE_INCRS,
1
};
int save_end_size = SAVE_END_V1_SIZE;
BUG_ON(register_sets > 2);
if (info.ptr) {
save_begin_v1(info.ptr);
info.ptr += SAVE_BEGIN_V1_SIZE;
}
/* read from set0, write cmds through set0, restore to set0 and 1 */
if (register_sets == 2)
switch_gpu(&info, 0, 1, 3);
/* save regs that are common to both sets */
setup_save_regs(&info,
ctxsave_regs_3d_global,
ARRAY_SIZE(ctxsave_regs_3d_global));
/* read from set 0, write cmds through set0, restore to set0 */
if (register_sets == 2)
switch_gpu(&info, 0, 1, 1);
/* save set 0 specific regs */
setup_save_regs(&info,
ctxsave_regs_3d_perset,
ARRAY_SIZE(ctxsave_regs_3d_perset));
if (register_sets == 2) {
/* read from set1, write cmds through set1, restore to set1 */
switch_gpu(&info, 1, 2, 2);
/* note offset at which set 1 restore starts */
restore_set1_offset = info.restore_count;
/* save set 1 specific regs */
setup_save_regs(&info,
ctxsave_regs_3d_perset,
ARRAY_SIZE(ctxsave_regs_3d_perset));
}
/* read from set0, write cmds through set1, restore to set0 and 1 */
if (register_sets == 2)
switch_gpu(&info, 0, 2, 3);
if (info.ptr) {
save_end_v1(info.ptr);
info.ptr += SAVE_END_V1_SIZE;
}
wmb();
save_size = info.save_count + save_end_size;
nvhost_3dctx_restore_size = info.restore_count + RESTORE_END_SIZE;
nvhost_3dctx_save_incrs = info.save_incrs;
nvhost_3dctx_save_thresh = nvhost_3dctx_save_incrs
- SAVE_THRESH_OFFSET;
nvhost_3dctx_restore_incrs = info.restore_incrs;
}
