diff options
author | Terje Bergstrom <tbergstrom@nvidia.com> | 2014-05-09 13:15:51 -0400 |
---|---|---|
committer | Dan Willemsen <dwillemsen@nvidia.com> | 2015-03-18 15:09:21 -0400 |
commit | 9a6cc07c556b282da413e2d13d59de1661d7d7ae (patch) | |
tree | 7edd181128e9f909b97ce65ef8420bfddb369f30 /drivers/gpu/nvgpu/gk20a | |
parent | 3cebc5758ade2a99ac31ba06276c3f3eb6f96cf7 (diff) |
gpu: nvgpu: Do not enable lbreq interrupt
Lbreq interrupt can assert when there is memory back pressure. Do not
enable it as either stalling or nonstalling interrupt.
Bug 1498688
Change-Id: I02f94a64ab9df82402d80a632450d87457644d50
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/408040
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/gk20a')
-rw-r--r-- | drivers/gpu/nvgpu/gk20a/fifo_gk20a.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c index 2d2dad2c..8be2176d 100644 --- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c | |||
@@ -398,9 +398,10 @@ int gk20a_init_fifo_reset_enable_hw(struct gk20a *g) | |||
398 | gk20a_writel(g, pbdma_intr_stall_r(i), intr_stall); | 398 | gk20a_writel(g, pbdma_intr_stall_r(i), intr_stall); |
399 | gk20a_writel(g, pbdma_intr_0_r(i), 0xFFFFFFFF); | 399 | gk20a_writel(g, pbdma_intr_0_r(i), 0xFFFFFFFF); |
400 | gk20a_writel(g, pbdma_intr_en_0_r(i), | 400 | gk20a_writel(g, pbdma_intr_en_0_r(i), |
401 | (~0) & ~pbdma_intr_en_0_lbreq_enabled_f()); | 401 | ~pbdma_intr_en_0_lbreq_enabled_f()); |
402 | gk20a_writel(g, pbdma_intr_1_r(i), 0xFFFFFFFF); | 402 | gk20a_writel(g, pbdma_intr_1_r(i), 0xFFFFFFFF); |
403 | gk20a_writel(g, pbdma_intr_en_1_r(i), 0xFFFFFFFF); | 403 | gk20a_writel(g, pbdma_intr_en_1_r(i), |
404 | ~pbdma_intr_en_0_lbreq_enabled_f()); | ||
404 | } | 405 | } |
405 | 406 | ||
406 | /* TBD: apply overrides */ | 407 | /* TBD: apply overrides */ |