On Fri, 13 Mar 2026 12:16:41 +0300 Onur Özkan <[email protected]> wrote:
> Clear RESET_COMPLETED before writing GPU_CMD_SOFT_RESET. > > This is also used in > drivers/gpu/drm/panfrost/panfrost_gpu.c::panfrost_gpu_soft_reset > and avoids seeing old reset-complete status from a previous reset. > > Tested-by: Deborah Brouwer <[email protected]> > Signed-off-by: Onur Özkan <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> > --- > drivers/gpu/drm/tyr/driver.rs | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/tyr/driver.rs b/drivers/gpu/drm/tyr/driver.rs > index 69eff2a9e116..f7951804e4e0 100644 > --- a/drivers/gpu/drm/tyr/driver.rs > +++ b/drivers/gpu/drm/tyr/driver.rs > @@ -91,6 +91,8 @@ unsafe impl Send for TyrDrmDeviceData {} > unsafe impl Sync for TyrDrmDeviceData {} > > fn issue_soft_reset(dev: &Device<Bound>, iomem: &Devres<IoMem>) -> Result { > + // Clear any stale reset-complete IRQ state before issuing a new soft > reset. > + regs::GPU_IRQ_CLEAR.write(dev, iomem, > regs::GPU_IRQ_RAWSTAT_RESET_COMPLETED)?; > regs::GPU_CMD.write(dev, iomem, regs::GPU_CMD_SOFT_RESET)?; > > poll::read_poll_timeout(
