It will be needed for the CSD, which does not have a way to clean the L1T/L2T before reporting completion. In any case it's unused now, so I don't see a problem with removing it.
On Sat, 1 Dec 2018 at 00:58, Eric Anholt eric@anholt.net wrote:
Now that I've specified how the end-of-pipeline flushing should work, we're never going to use this function.
Signed-off-by: Eric Anholt eric@anholt.net
Reviewed-by: Dave Emett david.emett@broadcom.com
drivers/gpu/drm/v3d/v3d_drv.h | 1 - drivers/gpu/drm/v3d/v3d_gem.c | 21 --------------------- 2 files changed, 22 deletions(-)
diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h index bcd3d567bec2..239b56d76f3e 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.h +++ b/drivers/gpu/drm/v3d/v3d_drv.h @@ -314,7 +314,6 @@ void v3d_exec_put(struct v3d_exec_info *exec); void v3d_tfu_job_put(struct v3d_tfu_job *exec); void v3d_reset(struct v3d_dev *v3d); void v3d_invalidate_caches(struct v3d_dev *v3d); -void v3d_flush_caches(struct v3d_dev *v3d);
/* v3d_irq.c */ void v3d_irq_init(struct v3d_dev *v3d); diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c index 8b4af512450f..34103205b7cb 100644 --- a/drivers/gpu/drm/v3d/v3d_gem.c +++ b/drivers/gpu/drm/v3d/v3d_gem.c @@ -175,20 +175,6 @@ v3d_invalidate_slices(struct v3d_dev *v3d, int core) V3D_SET_FIELD(0xf, V3D_SLCACTL_ICC)); }
-/* Invalidates texture L2 cachelines */ -static void -v3d_invalidate_l2t(struct v3d_dev *v3d, int core) -{
V3D_CORE_WRITE(core,
V3D_CTL_L2TCACTL,
V3D_L2TCACTL_L2TFLS |
V3D_SET_FIELD(V3D_L2TCACTL_FLM_CLEAR, V3D_L2TCACTL_FLM));
if (wait_for(!(V3D_CORE_READ(core, V3D_CTL_L2TCACTL) &
V3D_L2TCACTL_L2TFLS), 100)) {
DRM_ERROR("Timeout waiting for L2T invalidate\n");
}
-}
void v3d_invalidate_caches(struct v3d_dev *v3d) { @@ -199,13 +185,6 @@ v3d_invalidate_caches(struct v3d_dev *v3d) v3d_flush_l2t(v3d, 0); }
-void -v3d_flush_caches(struct v3d_dev *v3d) -{
v3d_invalidate_l1td(v3d, 0);
v3d_invalidate_l2t(v3d, 0);
-}
static void v3d_attach_object_fences(struct v3d_bo **bos, int bo_count, struct dma_fence *fence) -- 2.20.0.rc1