Hi,
Le mercredi 20 février 2019 à 13:03 -0800, Eric Anholt a écrit :
Otherwise, you sometimes decode the ident fields based on 0xdeadbeef register reads.
Reviewed-by: Paul Kocialkowski paul.kocialkowski@bootlin.com
Cheers,
Paul
Signed-off-by: Eric Anholt eric@anholt.net
drivers/gpu/drm/vc4/vc4_v3d.c | 29 +++++++++++++++++------------ 1 file changed, 17 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_v3d.c b/drivers/gpu/drm/vc4/vc4_v3d.c index 7820b8eaaa98..36e6c7086ecf 100644 --- a/drivers/gpu/drm/vc4/vc4_v3d.c +++ b/drivers/gpu/drm/vc4/vc4_v3d.c @@ -108,18 +108,23 @@ static int vc4_v3d_debugfs_ident(struct seq_file *m, void *unused) struct drm_info_node *node = (struct drm_info_node *)m->private; struct drm_device *dev = node->minor->dev; struct vc4_dev *vc4 = to_vc4_dev(dev);
- uint32_t ident1 = V3D_READ(V3D_IDENT1);
- uint32_t nslc = VC4_GET_FIELD(ident1, V3D_IDENT1_NSLC);
- uint32_t tups = VC4_GET_FIELD(ident1, V3D_IDENT1_TUPS);
- uint32_t qups = VC4_GET_FIELD(ident1, V3D_IDENT1_QUPS);
- seq_printf(m, "Revision: %d\n",
VC4_GET_FIELD(ident1, V3D_IDENT1_REV));- seq_printf(m, "Slices: %d\n", nslc);
- seq_printf(m, "TMUs: %d\n", nslc * tups);
- seq_printf(m, "QPUs: %d\n", nslc * qups);
- seq_printf(m, "Semaphores: %d\n",
VC4_GET_FIELD(ident1, V3D_IDENT1_NSEM));
int ret = vc4_v3d_pm_get(vc4);
if (ret == 0) {
uint32_t ident1 = V3D_READ(V3D_IDENT1);uint32_t nslc = VC4_GET_FIELD(ident1, V3D_IDENT1_NSLC);uint32_t tups = VC4_GET_FIELD(ident1, V3D_IDENT1_TUPS);uint32_t qups = VC4_GET_FIELD(ident1, V3D_IDENT1_QUPS);seq_printf(m, "Revision: %d\n",VC4_GET_FIELD(ident1, V3D_IDENT1_REV));seq_printf(m, "Slices: %d\n", nslc);seq_printf(m, "TMUs: %d\n", nslc * tups);seq_printf(m, "QPUs: %d\n", nslc * qups);seq_printf(m, "Semaphores: %d\n",VC4_GET_FIELD(ident1, V3D_IDENT1_NSEM));vc4_v3d_pm_put(vc4);}
return 0;
}