diff options
| author | Eric Anholt <eric@anholt.net> | 2019-02-20 15:36:57 -0800 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2019-03-08 08:59:25 -0800 |
| commit | a7dde1b7a5c9adf13d422240d02b812952660a35 (patch) | |
| tree | 1d56ce05f44c2bb767f9a8126506a549aef9cfa8 /drivers/gpu/drm | |
| parent | d26f9c7f888d362f3ecd3ef029456b64b30a9164 (diff) | |
| download | linux-stable-a7dde1b7a5c9adf13d422240d02b812952660a35.tar.gz linux-stable-a7dde1b7a5c9adf13d422240d02b812952660a35.tar.bz2 linux-stable-a7dde1b7a5c9adf13d422240d02b812952660a35.zip | |
drm/v3d: Don't try to set OVRTMUOUT on V3D 4.x.
The old field is gone and the register now has a different field,
QRMAXCNT for how many TMU requests get serviced before thread switch.
We were accidentally reducing it from its default of 0x3 (4 requests)
to 0x0 (1).
v2: Skip setting the reg at all on 4.x, instead of trying to update
only the old field.
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190220233658.986-2-eric@anholt.net
Reviewed-by: Dave Emett <david.emett@broadcom.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_gem.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_regs.h | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c index 0d1e5e0b8042..0a83268dec0c 100644 --- a/drivers/gpu/drm/v3d/v3d_gem.c +++ b/drivers/gpu/drm/v3d/v3d_gem.c @@ -24,7 +24,8 @@ v3d_init_core(struct v3d_dev *v3d, int core) * type. If you want the default behavior, you can still put * "2" in the indirect texture state's output_type field. */ - V3D_CORE_WRITE(core, V3D_CTL_MISCCFG, V3D_MISCCFG_OVRTMUOUT); + if (v3d->ver < 40) + V3D_CORE_WRITE(core, V3D_CTL_MISCCFG, V3D_MISCCFG_OVRTMUOUT); /* Whenever we flush the L2T cache, we always want to flush * the whole thing. diff --git a/drivers/gpu/drm/v3d/v3d_regs.h b/drivers/gpu/drm/v3d/v3d_regs.h index 6ccdee9d47bd..8e88af237610 100644 --- a/drivers/gpu/drm/v3d/v3d_regs.h +++ b/drivers/gpu/drm/v3d/v3d_regs.h @@ -216,6 +216,8 @@ # define V3D_IDENT2_BCG_INT BIT(28) #define V3D_CTL_MISCCFG 0x00018 +# define V3D_CTL_MISCCFG_QRMAXCNT_MASK V3D_MASK(3, 1) +# define V3D_CTL_MISCCFG_QRMAXCNT_SHIFT 1 # define V3D_MISCCFG_OVRTMUOUT BIT(0) #define V3D_CTL_L2CACTL 0x00020 |