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drm/amdgpu: Increase IH soft ring size for GFX v9.4.3 dGPU

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[ Upstream commit bcfb9cee61 ]

On GFX v9.4.3 dGPU, applications have random timeout failure when XNACK
on, dmesg log has "amdgpu: IH soft ring buffer overflow 0x900, 0x900",
because dGPU mode has 272 cam entries. After increasing IH soft ring
to 512 entries, no more IH soft ring overflow message and application
passed.

Fixes: bf80d34b6c ("drm/amdgpu: Increase soft IH ring size")
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Philip Yang 2023-09-15 15:13:48 -04:00 committed by Greg Kroah-Hartman
parent 69f03be1fa
commit 03b98d789a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
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@ -28,7 +28,7 @@
#define AMDGPU_IH_MAX_NUM_IVS 32
#define IH_RING_SIZE (256 * 1024)
#define IH_SW_RING_SIZE (8 * 1024) /* enough for 256 CAM entries */
#define IH_SW_RING_SIZE (16 * 1024) /* enough for 512 CAM entries */
struct amdgpu_device;
struct amdgpu_iv_entry;