gpu: nvgpu: gv11b: set preempt timeout

For pbdma/eng/runlist preempt polling use
fifo_eng_timeout_us converted to ms.

Bug 200426402

Change-Id: I2137bb9c5517d27c514ddd7ef0c601230a1ddb16
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1775442
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

3 files changed, 7 insertions, 9 deletions

diff --git a/drivers/gpu/nvgpu/gv100/fifo_gv100.c b/drivers/gpu/nvgpu/gv100/fifo_gv100.c
index 0227720d..f5e43ea7 100644
--- a/drivers/gpu/nvgpu/gv100/fifo_gv100.c
+++ b/drivers/gpu/nvgpu/gv100/fifo_gv100.c
@@ -38,7 +38,7 @@ u32 gv100_fifo_get_num_fifos(struct gk20a *g)
 
 u32 gv100_fifo_get_preempt_timeout(struct gk20a *g)
 {
-        return DEFAULT_FIFO_PREEMPT_TIMEOUT;
+        return g->fifo_eng_timeout_us / 1000 ;
 }
 
 void gv100_apply_ctxsw_timeout_intr(struct gk20a *g)
diff --git a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
index fcf05306..7e0bbf81 100644
--- a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
@@ -387,13 +387,12 @@ u32 gv11b_fifo_intr_0_error_mask(struct gk20a *g)
 
 u32 gv11b_fifo_get_preempt_timeout(struct gk20a *g)
 {
-        /* if timeouts are enabled, using 3000ms timeout
-         * for polling pdma/eng/runlist might kick in
-         * timeout handler in the cases where preempt
-         * is stuck. Use 1000ms timeout for polling when
-         * timeouts are enabled */
-        return nvgpu_is_timeouts_enabled(g) ? PREEMPT_TIMEOUT_1000_MS :
-                g->gr_idle_timeout_default;
+        /* using gr_idle_timeout for polling pdma/eng/runlist
+         * might kick in timeout handler in the cases where
+         * preempt is stuck. Use fifo_eng_timeout converted to ms
+         * for preempt polling */
+
+        return g->fifo_eng_timeout_us / 1000 ;
 }
 
 static int gv11b_fifo_poll_pbdma_chan_status(struct gk20a *g, u32 id,
diff --git a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h
index aee7aef2..ec89bc5b 100644
--- a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h
+++ b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h
@@ -51,7 +51,6 @@
 #define CHANNEL_INFO_VEID0              0
 
 #define MAX_PRE_SI_RETRIES              200000  /* 1G/500KHz * 100 */
-#define PREEMPT_TIMEOUT_1000_MS         1000
 
 struct gpu_ops;