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authorRob Clark <robdclark@gmail.com>2014-11-07 18:10:04 -0500
committerRob Clark <robdclark@gmail.com>2014-11-16 14:27:35 -0500
commit69193e5060dd1c8f7cd614bad05f33f3e042ae6d (patch)
tree94f8c5ab7e2847e8955cbd6323c7365dbf83e918 /drivers/gpu/drm/msm/msm_gem.h
parenta8cecf33249b80d8a3c2ca5df1c45eb3b5231b28 (diff)
downloadtalos-obmc-linux-69193e5060dd1c8f7cd614bad05f33f3e042ae6d.tar.gz
talos-obmc-linux-69193e5060dd1c8f7cd614bad05f33f3e042ae6d.zip
drm/msm: small fence cleanup
Give ourselves a way to wait for certain fence #.. makes it easier to wait on a set of bo's, which we'll need for atomic. Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.h')
-rw-r--r--drivers/gpu/drm/msm/msm_gem.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h
index bfb052688f8e..8fbbd0594c46 100644
--- a/drivers/gpu/drm/msm/msm_gem.h
+++ b/drivers/gpu/drm/msm/msm_gem.h
@@ -70,6 +70,19 @@ static inline bool is_active(struct msm_gem_object *msm_obj)
return msm_obj->gpu != NULL;
}
+static inline uint32_t msm_gem_fence(struct msm_gem_object *msm_obj,
+ uint32_t op)
+{
+ uint32_t fence = 0;
+
+ if (op & MSM_PREP_READ)
+ fence = msm_obj->write_fence;
+ if (op & MSM_PREP_WRITE)
+ fence = max(fence, msm_obj->read_fence);
+
+ return fence;
+}
+
#define MAX_CMDS 4
/* Created per submit-ioctl, to track bo's and cmdstream bufs, etc,
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