On 27/11/2025 11:44, Ashley Smith wrote: > Set the GLB_COUNTER_EN bit to enable coherent propagation of GPU > timestamp values to shader cores. This is a prerequisite for exposing > device-coherent timestamp queries. > > Bump the version to 1.6 so userspace can detect support. > > v2: > - GLB_COUNTER_EN is not a toggle bit move to panthor_fw_update_reqs > > Signed-off-by: Ashley Smith <[email protected]>
Reviewed-by: Steven Price <[email protected]> > --- > drivers/gpu/drm/panthor/panthor_drv.c | 3 ++- > drivers/gpu/drm/panthor/panthor_fw.c | 4 +++- > 2 files changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/panthor/panthor_drv.c > b/drivers/gpu/drm/panthor/panthor_drv.c > index d1d4c50da5bf..0b0ec3b978c6 100644 > --- a/drivers/gpu/drm/panthor/panthor_drv.c > +++ b/drivers/gpu/drm/panthor/panthor_drv.c > @@ -1604,6 +1604,7 @@ static void panthor_debugfs_init(struct drm_minor > *minor) > * - 1.3 - adds DRM_PANTHOR_GROUP_STATE_INNOCENT flag > * - 1.4 - adds DRM_IOCTL_PANTHOR_BO_SET_LABEL ioctl > * - 1.5 - adds DRM_PANTHOR_SET_USER_MMIO_OFFSET ioctl > + * - 1.6 - enables GLB_COUNTER_EN > */ > static const struct drm_driver panthor_drm_driver = { > .driver_features = DRIVER_RENDER | DRIVER_GEM | DRIVER_SYNCOBJ | > @@ -1617,7 +1618,7 @@ static const struct drm_driver panthor_drm_driver = { > .name = "panthor", > .desc = "Panthor DRM driver", > .major = 1, > - .minor = 5, > + .minor = 6, > > .gem_create_object = panthor_gem_create_object, > .gem_prime_import_sg_table = drm_gem_shmem_prime_import_sg_table, > diff --git a/drivers/gpu/drm/panthor/panthor_fw.c > b/drivers/gpu/drm/panthor/panthor_fw.c > index 38d87ab92eda..a55731e95884 100644 > --- a/drivers/gpu/drm/panthor/panthor_fw.c > +++ b/drivers/gpu/drm/panthor/panthor_fw.c > @@ -996,7 +996,9 @@ static void panthor_fw_init_global_iface(struct > panthor_device *ptdev) > GLB_IDLE_EN | > GLB_IDLE; > > - panthor_fw_update_reqs(glb_iface, req, GLB_IDLE_EN, GLB_IDLE_EN); > + panthor_fw_update_reqs(glb_iface, req, > + GLB_IDLE_EN | GLB_COUNTER_EN, > + GLB_IDLE_EN | GLB_COUNTER_EN); > panthor_fw_toggle_reqs(glb_iface, req, ack, > GLB_CFG_ALLOC_EN | > GLB_CFG_POWEROFF_TIMER | > > base-commit: 92c49b3f4df8f9acfa95551ef38fc00c675319fd
