There is no reason to wait for clock stabilization here, as the clock framework guarantees that PLL clock sources are stable before clk_enable returns.
Signed-off-by: Philipp Zabel p.zabel@pengutronix.de --- drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 9f7999552cc31..561a955ee4022 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -449,9 +449,6 @@ static int etnaviv_hw_reset(struct etnaviv_gpu *gpu)
control = gpu_read(gpu, VIVS_HI_CLOCK_CONTROL);
- /* Wait for stable clock. Vivante's code waited for 1ms */ - usleep_range(1000, 10000); - /* isolate the GPU. */ control |= VIVS_HI_CLOCK_CONTROL_ISOLATE_GPU; gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, control);