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<body><span class="vcard"><a class="email" href="mailto:pmenzel+bugs.freedesktop@molgen.mpg.de" title="Paul Menzel <pmenzel+bugs.freedesktop@molgen.mpg.de>"> <span class="fn">Paul Menzel</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - radeon_gart_table_vram_pin takes 473 ms during ACPI S3 resume"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107328">bug 107328</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>WONTFIX
</td>
<td>INVALID
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - radeon_gart_table_vram_pin takes 473 ms during ACPI S3 resume"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107328#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - radeon_gart_table_vram_pin takes 473 ms during ACPI S3 resume"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107328">bug 107328</a>
from <span class="vcard"><a class="email" href="mailto:pmenzel+bugs.freedesktop@molgen.mpg.de" title="Paul Menzel <pmenzel+bugs.freedesktop@molgen.mpg.de>"> <span class="fn">Paul Menzel</span></a>
</span></b>
<pre>Just as a follow-up, the long time seems to have been caused by ftrace.
With the patch below on top of drm-tip from this morning, it only takes 7 ms.
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c
b/drivers/gpu/drm/radeon/radeon_gart.c
index 1cef155cc933..f79a2f8b8d8e 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -175,10 +175,13 @@ int radeon_gart_table_vram_pin(struct radeon_device
*rdev)
/* We might have dropped some GART table updates while it
wasn't
* mapped, restore all entries
*/
+ DRM_INFO("GART: Restore entries: num cpu pages %u, num gpu
pages %u\n",
+ rdev->gart.num_cpu_pages,
rdev->gart.num_gpu_pages);
for (i = 0; i < rdev->gart.num_gpu_pages; i++)
radeon_gart_set_page(rdev, i,
rdev->gart.pages_entry[i]);
mb();
radeon_gart_tlb_flush(rdev);
+ DRM_INFO("GART: Done restoring entries\n");
}
return r;</pre>
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