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(parent: 45ec289) | patch
drm/amdgpu: Fix max_vblank_count value for current display engines
authorAlex Deucher <alexander.deucher@amd.com>
Tue, 22 Sep 2015 14:06:45 +0000 (10:06 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 23 Sep 2015 21:23:42 +0000 (17:23 -0400)
commitda6427e0ab910e6626a94dc9e953f97c37ad0b1c
tree811f19c8126353546d2ce07c4e5e4e278f5ea21atree | snapshot
parent45ec289b1fb72a49ce71746800cd11111a6d16c9commit | diff
drm/amdgpu: Fix max_vblank_count value for current display engines

The value was much too low, which could cause the userspace visible
vblank counter to move backwards when the hardware counter wrapped
around.

Ported from radeon commit:
29fd7a0d648e8489060f760ce992b5a6e8f41ee7

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c diff | blob | history
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