From 69193e5060dd1c8f7cd614bad05f33f3e042ae6d Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Fri, 7 Nov 2014 18:10:04 -0500 Subject: 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 --- drivers/gpu/drm/msm/msm_gem.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'drivers/gpu/drm/msm/msm_gem.h') 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, -- cgit v1.2.3