| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 09/48] drm/amdgpu: Fix SDMA HQD destroy error on gfx_v7 | Date | Thu, 18 Oct 2018 19:54:44 +0200 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Amber Lin <Amber.Lin@amd.com>
[ Upstream commit caaa4c8a6be2a275bd14f2369ee364978ff74704 ]
A wrong register bit was examinated for checking SDMA status so it reports false failures. This typo only appears on gfx_v7. gfx_v8 checks the correct bit.
Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Amber Lin <Amber.Lin@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c @@ -504,7 +504,7 @@ static int kgd_hqd_sdma_destroy(struct k while (true) { temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS); - if (temp & SDMA0_STATUS_REG__RB_CMD_IDLE__SHIFT) + if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) break; if (timeout == 0) return -ETIME;
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