Commit 27769789 authored Aug 20, 2020 by Nitheesh Muthuraj

msm: kgsl: Fix overflow issue to gpu_busy



gpu_busy is an unsigned 64 bit int and accumulates overtime
while running gpu intensive application(no slumber)
which eventually results in overflow.

Change-Id: Ifda376918ac58fa393a1958101d3d4b161bdd3c0
Signed-off-by: Nitheesh Muthuraj <nmuthuraj@codeaurora.org>

parent 1e4aef37

drivers/gpu/msm/adreno.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -3456,7 +3456,7 @@ static void adreno_power_stats(struct kgsl_device *device,

		if (busy->gpu_busy)
		gpu_busy = (val >= busy->gpu_busy) ? val - busy->gpu_busy :
		(~0UL - busy->gpu_busy) + val;
		(UINT_MAX - busy->gpu_busy) + val;

		busy->gpu_busy = val;