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Allows us to detect subsequent IH ring buffer overflows as well.
Cc: Joshua Ashton <joshua@froggi.es>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Friedrich Vock <friedrich.vock@gmx.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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There is no reason to call return at the end of function that
returns void.
Fixes the below:
WARNING: void function return statements are not generally useful
Thus remove such a statement in the affected functions.
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Fix the following errors reported by checkpatch:
ERROR: trailing statements should be on next line
ERROR: that open brace { should be on the previous line
Signed-off-by: Ran Sun <sunran001@208suo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Retry faults are delegated to soft IH ring and then processed by
deferred worker. Current soft IH ring size PAGE_SIZE can store 128
entries, which may overflow and drop retry faults, causes HW stucks
because the retry fault is not recovered.
Increase soft IH ring size to 8KB, enough to store 256 CAM entries
because we clear the CAM entry after handling the retry fault from soft
ring.
Define macro IH_RING_SIZE and IH_SW_RING_SIZE to remove duplicate
constant.
Show warning message if soft IH ring overflows with CAM enabled because
this should not happen.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/amd/amdgpu/ih_v6_0.c:392: warning: Function parameter or member 'ih' not described in 'ih_v6_0_get_wptr'
drivers/gpu/drm/amd/amdgpu/ih_v6_0.c:432: warning: Function parameter or member 'ih' not described in 'ih_v6_0_irq_rearm'
drivers/gpu/drm/amd/amdgpu/ih_v6_0.c:458: warning: Function parameter or member 'ih' not described in 'ih_v6_0_set_rptr'
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
With L1 Policy applied, IH_RB_CNTL/RING cannot be accessed by VF.
[How]
Use PSP program IH_RB_CNTL in VF.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Yifan Zha <Yifan.Zha@amd.com>
Signed-off-by: Horace Chen <horace.chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Was missing. Add it.
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This adds ih v6_0 ip block support. IH is the
interrupt handler.
Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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