korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-17 16:14:25 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/v3d: Stop trying to flush L2C on V3D 3.3+

Browse Source 
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>
This commit is contained in:
Eric Anholt 2018-12-03 14:24:37 -08:00
parent 51c1b6f9eb
commit 7b9d2fe435
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/v3d/v3d_gem.c
View File

@ -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);
}