Comment # 1
on bug 108920
from Sylvain BERTRAND
Bisected: due to many compilation errors, git say any of the following commit could be the culprit: 663480d4e1460943de83ef14e86b8d2b0776edc6 971dbfb07e6ab4c5113898df25f39815c867a49c 103fcde3210ae17101bc1c64a78d074d61cf5cf7 85d5f3312d67bf8def41110447d19de3a0665754 0bf89d5dd1ee497df340ce932f0726d499cf9316 Seems the new doorbell support code has a broken SI(TAHITI XT) code path: commit 663480d4e1460943de83ef14e86b8d2b0776edc6 Author: Oak Zeng <ozeng@amd.com> Date: Mon Nov 19 09:51:20 2018 -0600 drm/amdgpu: Doorbell index initialization for ASICs before vega10 Initialize doorbell index for asics vi and cik v2: Use enum definition instead of hardcoded number Change-Id: Id64eb98f5b1c24b51eb2fd5a083086fc3515813d Signed-off-by: Oak Zeng <ozeng@amd.com> Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com> Suggested-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> commit 971dbfb07e6ab4c5113898df25f39815c867a49c Author: Oak Zeng <ozeng@amd.com> Date: Mon Nov 19 15:59:53 2018 -0600 drm/amdgpu: Doorbell layout for vega20 and future asic This introduces new doorbell layout for vega20 and future asics v2: Use enum definition instead of hardcoded value Change-Id: I04d22fb717ac50483c0835f160a2e860e344f358 Signed-off-by: Oak Zeng <ozeng@amd.com> Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com> Suggested-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> commit 103fcde3210ae17101bc1c64a78d074d61cf5cf7 Author: Oak Zeng <ozeng@amd.com> Date: Mon Nov 19 09:25:37 2018 -0600 drm/amdgpu: Vega10 doorbell index initialization v2: Use enum definition instead of hardcoded value v3: Remove unused enum definition Change-Id: Ib72058337f0aa53adfc6c6aae5341a7cd665111a Signed-off-by: Oak Zeng <ozeng@amd.com> Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com> Suggested-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> commit 85d5f3312d67bf8def41110447d19de3a0665754 Author: Oak Zeng <ozeng@amd.com> Date: Mon Nov 19 14:36:09 2018 -0600 drm/amdgpu: Call doorbell index init on device initialization Also call functioin amdgpu_device_doorbell_init after amdgpu_device_ip_early_init because the former depends on the later to set up asic-specific init_doorbell_index function Change-Id: I2f004bbbe2565035460686f4fc16e86b77a2a9b5 Signed-off-by: Oak Zeng <ozeng@amd.com> Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com> Suggested-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> commit 0bf89d5dd1ee497df340ce932f0726d499cf9316 Author: Oak Zeng <ozeng@amd.com> Date: Mon Nov 19 15:20:07 2018 -0600 drm/amdgpu: Use asic specific doorbell index instead of macro definition ASIC specific doorbell layout is used instead of enum definition Change-Id: Iffff84475efcfb482c474fccb133010abb5df5f4 Signed-off-by: Oak Zeng <ozeng@amd.com> Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com> Suggested-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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