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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [AMDGPU][TAHITI XT] linux unable to boot since rc3 rebase"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108920#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [AMDGPU][TAHITI XT] linux unable to boot since rc3 rebase"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108920">bug 108920</a>
from <span class="vcard"><a class="email" href="mailto:sylvain.bertrand@gmail.com" title="Sylvain BERTRAND <sylvain.bertrand@gmail.com>"> <span class="fn">Sylvain BERTRAND</span></a>
</span></b>
<pre>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 <<a href="mailto:ozeng@amd.com">ozeng@amd.com</a>>
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 <<a href="mailto:ozeng@amd.com">ozeng@amd.com</a>>
Suggested-by: Felix Kuehling <<a href="mailto:Felix.Kuehling@amd.com">Felix.Kuehling@amd.com</a>>
Suggested-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
Reviewed-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
commit 971dbfb07e6ab4c5113898df25f39815c867a49c
Author: Oak Zeng <<a href="mailto:ozeng@amd.com">ozeng@amd.com</a>>
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 <<a href="mailto:ozeng@amd.com">ozeng@amd.com</a>>
Suggested-by: Felix Kuehling <<a href="mailto:Felix.Kuehling@amd.com">Felix.Kuehling@amd.com</a>>
Suggested-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
Reviewed-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
commit 103fcde3210ae17101bc1c64a78d074d61cf5cf7
Author: Oak Zeng <<a href="mailto:ozeng@amd.com">ozeng@amd.com</a>>
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 <<a href="mailto:ozeng@amd.com">ozeng@amd.com</a>>
Suggested-by: Felix Kuehling <<a href="mailto:Felix.Kuehling@amd.com">Felix.Kuehling@amd.com</a>>
Suggested-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
Reviewed-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
commit 85d5f3312d67bf8def41110447d19de3a0665754
Author: Oak Zeng <<a href="mailto:ozeng@amd.com">ozeng@amd.com</a>>
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 <<a href="mailto:ozeng@amd.com">ozeng@amd.com</a>>
Suggested-by: Felix Kuehling <<a href="mailto:Felix.Kuehling@amd.com">Felix.Kuehling@amd.com</a>>
Suggested-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
Reviewed-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
commit 0bf89d5dd1ee497df340ce932f0726d499cf9316
Author: Oak Zeng <<a href="mailto:ozeng@amd.com">ozeng@amd.com</a>>
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 <<a href="mailto:ozeng@amd.com">ozeng@amd.com</a>>
Suggested-by: Felix Kuehling <<a href="mailto:Felix.Kuehling@amd.com">Felix.Kuehling@amd.com</a>>
Suggested-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
Reviewed-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>></pre>
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