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Commit 8272170f authored by Philipp Zabel's avatar Philipp Zabel Committed by Lucas Stach
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drm/etnaviv: remove unnecessary clock stabilization delay 



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: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
parent 40462179

drivers/gpu/drm/etnaviv/etnaviv_gpu.c

+0 −3
Original line number Diff line number Diff line
@@ -444,9 +444,6 @@ static int etnaviv_hw_reset(struct etnaviv_gpu *gpu) 
		control = VIVS_HI_CLOCK_CONTROL_FSCALE_VAL(fscale);

		etnaviv_gpu_load_clock(gpu, 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);