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kboot_gpu: Dummy t8112 power calculation

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This is wrong but it will do for now

Signed-off-by: Asahi Lina <lina@asahilina.net>
This commit is contained in:
Asahi Lina 2022-11-25 21:42:06 +09:00 committed by Hector Martin
parent 9ebc38ca73
commit 444c3c854b
1 changed files with 25 additions and 9 deletions
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34
src/kboot_gpu.c
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@ -22,14 +22,28 @@ struct perf_state {
u32 volt;
};
u32 t8103_pwr_scale[] = {0, 63, 80, 108, 150, 198, 210};
static u32 t8103_pwr_scale[] = {0, 63, 80, 108, 150, 198, 210};
int calc_power_t8103(int sgx, u32 count, u32 table_count, const struct perf_state *perf_states,
u32 *max_pwr)
// TODO this isn't a static table any more
static u32 t8112_pwr_scale[] = {0, 66, 92, 119, 153, 184, 214, 240, 240};
static int calc_power_t81xx(int sgx, u32 count, u32 table_count,
const struct perf_state *perf_states, u32 *max_pwr)
{
UNUSED(sgx);
u32 *pwr_scale;
u32 pwr_scale_count;
u32 pwr_scale_count = ARRAY_SIZE(t8103_pwr_scale);
switch (chip_id) {
case T8103:
pwr_scale = t8103_pwr_scale;
pwr_scale_count = ARRAY_SIZE(t8103_pwr_scale);
break;
case T8112:
pwr_scale = t8112_pwr_scale;
pwr_scale_count = ARRAY_SIZE(t8112_pwr_scale);
break;
}
if (table_count != 1)
bail("ADT: GPU: expected 1 perf state table but got %d\n", table_count);
@ -38,15 +52,16 @@ int calc_power_t8103(int sgx, u32 count, u32 table_count, const struct perf_stat
bail("ADT: GPU: expected %d perf states but got %d\n", pwr_scale_count, count);
for (u32 i = 0; i < pwr_scale_count; i++)
max_pwr[i] = (u32)perf_states[i].volt * (u32)t8103_pwr_scale[i] * 100;
max_pwr[i] = (u32)perf_states[i].volt * (u32)pwr_scale[i] * 100;
return 0;
}
u32 t6000_pwr_scale[] = {0, 15, 19, 25, 34, 50, 100};
// TODO
static u32 t6000_pwr_scale[] = {0, 15, 19, 25, 34, 50, 100};
int calc_power_t600x(int sgx, u32 count, u32 table_count, const struct perf_state *perf_states,
u32 *max_pwr)
static int calc_power_t600x(int sgx, u32 count, u32 table_count,
const struct perf_state *perf_states, u32 *max_pwr)
{
UNUSED(sgx);
UNUSED(perf_states);
@ -114,7 +129,8 @@ int dt_set_gpu(void *dt)
switch (chip_id) {
case T8103:
calc_power = calc_power_t8103;
case T8112:
calc_power = calc_power_t81xx;
break;
case T6000:
case T6001: