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| author | Eric Anholt <eric@anholt.net> | 2018-12-04 01:24:37 +0300 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2018-12-07 21:56:36 +0300 |
| commit | 7b9d2fe4350a9c12f66ad8cc78c1098226f6c3c2 (patch) | |
| tree | 27c1e9108d97cf99e3d3771566392c7767b96f9d | |
| parent | 51c1b6f9eb3dbdec91b0e3c89f623e634c996bbb (diff) | |
| download | linux-7b9d2fe4350a9c12f66ad8cc78c1098226f6c3c2.tar.xz | |
drm/v3d: Stop trying to flush L2C on V3D 3.3+
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@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20181203222438.25417-5-eric@anholt.net
Reviewed-by: Dave Emett <david.emett@broadcom.com>
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_gem.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c index 2b378de23fbd..06525ea9ec50 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); } |