gpu: nvgpu: fix update hwpm ctxsw mode

- Depending on main context or subcontext,
ctxheader and gr_mem should be updated
with pm mode and buffer addresss accordingly

Bug 2404093

Change-Id: Iba16c762c09b2a420570d4f528205e258ff27e8f
Signed-off-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1849396
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index 6c885b59..0250e97e 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -1853,11 +1853,11 @@ int gr_gk20a_update_hwpm_ctxsw_mode(struct gk20a *g,
 
         data |= pm_ctx->pm_mode;
 
-        nvgpu_mem_wr(g, gr_mem, ctxsw_prog_main_image_pm_o(), data);
-
         if (ctxheader->gpu_va) {
+                nvgpu_mem_wr(g, ctxheader, ctxsw_prog_main_image_pm_o(), data);
                 g->ops.gr.write_pm_ptr(g, ctxheader, virt_addr);
         } else {
+                nvgpu_mem_wr(g, gr_mem, ctxsw_prog_main_image_pm_o(), data);
                 g->ops.gr.write_pm_ptr(g, gr_mem, virt_addr);
         }