Xiaojie Yuan 05051496b2 drm/amdgpu/sdma5: fix wptr overwritten in ->get_wptr() ... "u64 *wptr" points to the the wptr value in write back buffer and "*wptr = (*wptr) >> 2;" results in the value being overwritten each time when ->get_wptr() is called. umr uses /sys/kernel/debug/dri/0/amdgpu_ring_sdma0 to get rptr/wptr and decode ring content and it is affected by this issue. fix and simplify the logic similar as sdma_v4_0_ring_get_wptr(). v2: fix for sdma5.2 as well v3: drop sdma 5.2 changes for 5.8 and stable Suggested-by: Le Ma <le.ma@amd.com> Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org		2020-07-14 15:42:17 -04:00
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drm	drm/amdgpu/sdma5: fix wptr overwritten in ->get_wptr()	2020-07-14 15:42:17 -04:00
host1x	gpu: host1x: Detach driver on unregister	2020-06-16 18:59:46 +02:00
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