This cache was replaced with the slice accessing the L2T in the newer
generations. Noted by Dave during review.
Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
---
drivers/gpu/drm/v3d/v3d_gem.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
index c268c7c79566..8a4be9515179 100644
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -130,10 +130,15 @@ v3d_flush_l3(struct v3d_dev *v3d)
}
}
-/* Invalidates the (read-only) L2 cache. */
+/* Invalidates the (read-only) L2C cache. This was the L2 cache for
+ * uniforms and instructions on V3D 3.2.
+ */
static void
-v3d_invalidate_l2(struct v3d_dev *v3d, int core)
+v3d_invalidate_l2c(struct v3d_dev *v3d, int core)
{
+ if (v3d->ver > 32)
+ return;
+
V3D_CORE_WRITE(core, V3D_CTL_L2CACTL,
V3D_L2CACTL_L2CCLR |
V3D_L2CACTL_L2CENA);
@@ -168,7 +173,7 @@ v3d_invalidate_caches(struct v3d_dev *v3d)
{
v3d_flush_l3(v3d);
- v3d_invalidate_l2(v3d, 0);
+ v3d_invalidate_l2c(v3d, 0);
v3d_invalidate_slices(v3d, 0);
v3d_flush_l2t(v3d, 0);
}
--
2.20.0.rc1
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