diff options
Diffstat (limited to 'drivers/gpu/drm/v3d/v3d_gem.c')
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_gem.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c index 1ea6d3832c22..d7d16da78db3 100644 --- a/drivers/gpu/drm/v3d/v3d_gem.c +++ b/drivers/gpu/drm/v3d/v3d_gem.c @@ -105,6 +105,22 @@ v3d_reset_v3d(struct v3d_dev *v3d) } void +v3d_reset_sms(struct v3d_dev *v3d) +{ + if (v3d->ver < V3D_GEN_71) + return; + + V3D_SMS_WRITE(V3D_SMS_REE_CS, V3D_SET_FIELD(0x4, V3D_SMS_STATE)); + + if (wait_for(!(V3D_GET_FIELD(V3D_SMS_READ(V3D_SMS_REE_CS), + V3D_SMS_STATE) == V3D_SMS_ISOLATING_FOR_RESET) && + !(V3D_GET_FIELD(V3D_SMS_READ(V3D_SMS_REE_CS), + V3D_SMS_STATE) == V3D_SMS_RESETTING), 100)) { + DRM_ERROR("Failed to wait for SMS reset\n"); + } +} + +void v3d_reset(struct v3d_dev *v3d) { struct drm_device *dev = &v3d->drm; @@ -119,6 +135,7 @@ v3d_reset(struct v3d_dev *v3d) v3d_idle_axi(v3d, 0); v3d_idle_gca(v3d); + v3d_reset_sms(v3d); v3d_reset_v3d(v3d); v3d_mmu_set_page_table(v3d); |