brcm2708: update to latest patches from RPi foundation

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0497-drm-v3d-Don-t-bother-flushing-L1TD-at-job-start.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0497-drm-v3d-Don-t-bother-flushing-L1TD-at-job-start.patch b/target/linux/brcm2708/patches-4.19/950-0497-drm-v3d-Don-t-bother-flushing-L1TD-at-job-start.patch
deleted file mode 100644 (file)
index 164e29f..0000000
--- a/target/linux/brcm2708/patches-4.19/950-0497-drm-v3d-Don-t-bother-flushing-L1TD-at-job-start.patch
+++ /dev/null
@@ -1,43 +0,0 @@
-From 4a6410a53059d6505680b70fc438b7cfbf8939ca Mon Sep 17 00:00:00 2001
-From: Eric Anholt <eric@anholt.net>
-Date: Mon, 3 Dec 2018 14:24:35 -0800
-Subject: [PATCH] drm/v3d: Don't bother flushing L1TD at job start.
-
-This is the write combiner for TMU writes.  You're supposed to flush
-that at job end if you had dirtied any cachelines.  Flushing it at job
-start then doesn't make any sense.
-
-Signed-off-by: Eric Anholt <eric@anholt.net>
-Fixes: 57692c94dcbe ("drm/v3d: Introduce a new DRM driver for Broadcom V3D V3.x+")
-Reviewed-by: Dave Emett <david.emett@broadcom.com>
-Link: https://patchwork.freedesktop.org/patch/msgid/20181203222438.25417-3-eric@anholt.net
-(cherry picked from commit 2e6dc3bd80478212e84addf1cafd6ec60674b884)
----
- drivers/gpu/drm/v3d/v3d_gem.c | 12 ------------
- 1 file changed, 12 deletions(-)
-
---- a/drivers/gpu/drm/v3d/v3d_gem.c
-+++ b/drivers/gpu/drm/v3d/v3d_gem.c
-@@ -139,22 +139,10 @@ v3d_invalidate_l2(struct v3d_dev *v3d, i
-                      V3D_L2CACTL_L2CENA);
- }
- 
--static void
--v3d_invalidate_l1td(struct v3d_dev *v3d, int core)
--{
--      V3D_CORE_WRITE(core, V3D_CTL_L2TCACTL, V3D_L2TCACTL_TMUWCF);
--      if (wait_for(!(V3D_CORE_READ(core, V3D_CTL_L2TCACTL) &
--                     V3D_L2TCACTL_L2TFLS), 100)) {
--              DRM_ERROR("Timeout waiting for L1T write combiner flush\n");
--      }
--}
--
- /* Invalidates texture L2 cachelines */
- static void
- v3d_flush_l2t(struct v3d_dev *v3d, int core)
- {
--      v3d_invalidate_l1td(v3d, core);
--
-       V3D_CORE_WRITE(core, V3D_CTL_L2TCACTL,
-                      V3D_L2TCACTL_L2TFLS |
-                      V3D_SET_FIELD(V3D_L2TCACTL_FLM_FLUSH, V3D_L2TCACTL_FLM));