drm/v3d: Drop unused v3d_flush_caches().

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>
Link: https://patchwork.freedesktop.org/patch/msgid/20181203222438.25417-2-eric@anholt.net

diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h
index dcb772a..fdda303 100644 (file)
--- a/drivers/gpu/drm/v3d/v3d_drv.h
+++ b/drivers/gpu/drm/v3d/v3d_drv.h
@@ -308,7 +308,6 @@ 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 05ca631..dec94dc 100644 (file)
--- 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)