diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 89cb6799b5..a9bf426f69 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -513,8 +513,19 @@ static int etnaviv_hw_reset(struct etnaviv_gpu *gpu) timeout = jiffies + msecs_to_jiffies(1000); while (time_is_after_jiffies(timeout)) { - /* enable clock */ unsigned int fscale = 1 << (6 - gpu->freq_scale); + u32 pulse_eater = 0x01590880; + + /* disable clock gating */ + gpu_write_power(gpu, VIVS_PM_POWER_CONTROLS, 0x0); + + /* disable pulse eater */ + pulse_eater |= BIT(17); + gpu_write_power(gpu, VIVS_PM_PULSE_EATER, pulse_eater); + pulse_eater |= BIT(0); + gpu_write_power(gpu, VIVS_PM_PULSE_EATER, pulse_eater); + + /* enable clock */ control = VIVS_HI_CLOCK_CONTROL_FSCALE_VAL(fscale); etnaviv_gpu_load_clock(gpu, control); |