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Subjectlinux-next: build failure after merge of the drm tree
Hi all,

After merging the drm tree, today's linux-next build (powerpc
allyesconfig) failed like this:

drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c: In function 'smu7_notify_link_speed_change_after_state_change':
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:3830:7: error: implicit declaration of function 'amdgpu_acpi_pcie_performance_request'; did you mean 'smu7_pcie_performance_request'? [-Werror=implicit-function-declaration]
if (amdgpu_acpi_pcie_performance_request(hwmgr->adev, request, false)) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
smu7_pcie_performance_request

Caused by commit

e1deba285156 ("drm/amd/pp: Use amdgpu acpi helper functions in powerplay")

and commit

37a94791a097 ("drm/amd/pp: Add #ifdef checks for CONFIG_ACPI")

missed this instance.

I added this hack patch for today:

From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Tue, 13 Mar 2018 16:24:31 +1100
Subject: [PATCH] drm/amd/pp: add another CONFIG_ACPI check

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index d4d1d2e7e233..df2a312ca6c9 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -3827,12 +3827,14 @@ static int smu7_notify_link_speed_change_after_state_change(
smu7_get_current_pcie_speed(hwmgr) > 0)
return 0;

+#ifdef CONFIG_ACPI
if (amdgpu_acpi_pcie_performance_request(hwmgr->adev, request, false)) {
if (PP_PCIEGen2 == target_link_speed)
pr_info("PSPP request to switch to Gen2 from Gen3 Failed!");
else
pr_info("PSPP request to switch to Gen1 from Gen2 Failed!");
}
+#endif
}

return 0;
--
2.16.1
--
Cheers,
Stephen Rothwell
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