Hi Dave,
After merging the drm tree, today's linux-next build (powerpc
allyesconfig) failed like this:
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/tonga_thermal.c: In function
'tonga_fan_ctrl_get_fan_speed_percent':
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/tonga_thermal.c:84:2: error:
implicit declaration of function 'do_div'
[-Werror=implicit-function-declaration]
do_div(tmp64, duty100);
^
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/fiji_thermal.c: In function
'fiji_fan_ctrl_get_fan_speed_percent':
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/fiji_thermal.c:78:2: error:
implicit declaration of function 'do_div'
[-Werror=implicit-function-declaration]
do_div(tmp64, duty100);
^
Caused by commit
1e4854e96c35 ("drm/amdgpu/powerplay: implement thermal control for tonga.")
[I notice that that commit does not have a Signed-off-by from its
committer (Alex)]
I applied the following fix patch for today:
From: Stephen Rothwell <[email protected]>
Date: Thu, 31 Dec 2015 21:20:20 +1100
Subject: [PATCH] drm/amdgpu/powerplay: include asm/div64.h for do_div()
Fixes: 1e4854e96c35 ("drm/amdgpu/powerplay: implement thermal control for
tonga.")
Signed-off-by: Stephen Rothwell <[email protected]>
---
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.c | 2 +-
drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.c
b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.c
index def57d0675ed..e76a7de9aa32 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.c
@@ -20,7 +20,7 @@
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
-
+#include <asm/div64.h>
#include "fiji_thermal.h"
#include "fiji_hwmgr.h"
#include "fiji_smumgr.h"
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c
b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c
index 2e159b003e71..a188174747c9 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c
@@ -20,7 +20,7 @@
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
-
+#include <asm/div64.h>
#include "tonga_thermal.h"
#include "tonga_hwmgr.h"
#include "tonga_smumgr.h"
--
2.6.4
--
Cheers,
Stephen Rothwell [email protected]
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