Move dma_reset so we can use it for the upcoming sequencer
functionality.
Signed-off-by: Joel Fernandes <[email protected]>
---
drivers/gpu/nova-core/falcon.rs | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/nova-core/falcon.rs b/drivers/gpu/nova-core/falcon.rs
index 181347feb3ca..964033ded3f2 100644
--- a/drivers/gpu/nova-core/falcon.rs
+++ b/drivers/gpu/nova-core/falcon.rs
@@ -371,6 +371,12 @@ pub(crate) fn new(dev: &device::Device, chipset: Chipset)
-> Result<Self> {
})
}
+ /// Resets DMA-related registers.
+ pub(crate) fn dma_reset(&self, bar: &Bar0) {
+ regs::NV_PFALCON_FBIF_CTL::update(bar, &E::ID, |v|
v.set_allow_phys_no_ctx(true));
+ regs::NV_PFALCON_FALCON_DMACTL::default().write(bar, &E::ID);
+ }
+
/// Wait for memory scrubbing to complete.
fn reset_wait_mem_scrubbing(&self, bar: &Bar0) -> Result {
// TIMEOUT: memory scrubbing should complete in less than 20ms.
@@ -520,8 +526,7 @@ fn dma_wr<F: FalconFirmware<Target = E>>(
/// Perform a DMA load into `IMEM` and `DMEM` of `fw`, and prepare the
falcon to run it.
pub(crate) fn dma_load<F: FalconFirmware<Target = E>>(&self, bar: &Bar0,
fw: &F) -> Result {
- regs::NV_PFALCON_FBIF_CTL::update(bar, &E::ID, |v|
v.set_allow_phys_no_ctx(true));
- regs::NV_PFALCON_FALCON_DMACTL::default().write(bar, &E::ID);
+ self.dma_reset(bar);
regs::NV_PFALCON_FBIF_TRANSCFG::update(bar, &E::ID, 0, |v| {
v.set_target(FalconFbifTarget::CoherentSysmem)
.set_mem_type(FalconFbifMemType::Physical)
--
2.34.1
