diff options
| author | Maxime Ripard <[email protected]> | 2022-03-28 14:43:04 +0200 |
|---|---|---|
| committer | Maxime Ripard <[email protected]> | 2022-03-31 10:19:45 +0200 |
| commit | 66bfe59dd307b0b601ef721d348d850c8bf2396e (patch) | |
| tree | dc880b1fee1a4c5e1ac843bdb2de41da8e610745 | |
| parent | 220f125cd5153f570022b11a89d2f96b0e0979cf (diff) | |
drm/vc4: Implement atomic_print_state for HVS channel state
The HVS state configuration is useful when debugging what's going on in
the vc4 hardware pipeline. Add an implementation of .atomic_print_state.
Acked-by: Daniel Vetter <[email protected]>
Signed-off-by: Maxime Ripard <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_kms.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index 26b771c919b1..bffd81d4bfcf 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -701,9 +701,26 @@ static void vc4_hvs_channels_destroy_state(struct drm_private_obj *obj, kfree(hvs_state); } +static void vc4_hvs_channels_print_state(struct drm_printer *p, + const struct drm_private_state *state) +{ + struct vc4_hvs_state *hvs_state = to_vc4_hvs_state(state); + unsigned int i; + + drm_printf(p, "HVS State\n"); + drm_printf(p, "\tCore Clock Rate: %lu\n", hvs_state->core_clock_rate); + + for (i = 0; i < HVS_NUM_CHANNELS; i++) { + drm_printf(p, "\tChannel %d\n", i); + drm_printf(p, "\t\tin use=%d\n", hvs_state->fifo_state[i].in_use); + drm_printf(p, "\t\tload=%lu\n", hvs_state->fifo_state[i].fifo_load); + } +} + static const struct drm_private_state_funcs vc4_hvs_state_funcs = { .atomic_duplicate_state = vc4_hvs_channels_duplicate_state, .atomic_destroy_state = vc4_hvs_channels_destroy_state, + .atomic_print_state = vc4_hvs_channels_print_state, }; static void vc4_hvs_channels_obj_fini(struct drm_device *dev, void *unused) |