drm/radeon/cik: properly set compute ring status on disable
When we disable the rings, set the status properly. If not other code pathes may try and use the rings which are not functional at this point. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
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1 changed files with 4 additions and 1 deletions
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@ -4134,8 +4134,11 @@ static void cik_cp_compute_enable(struct radeon_device *rdev, bool enable)
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{
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if (enable)
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WREG32(CP_MEC_CNTL, 0);
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else
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else {
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WREG32(CP_MEC_CNTL, (MEC_ME1_HALT | MEC_ME2_HALT));
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rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
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rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
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}
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udelay(50);
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}
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