gpu: nvgpu: add remove_gr_sysfs gpu op

Add remove_gr_sys() op to gpu_ops to reverse steps
done in create_gr_sysfs().

Make gv11b_tegra_remove() specific to gv11b instead
to properly remove sysfs nodes. This also helps in
having gv11b specific remove steps.

Also, update platform remove function of dGPU i.e.
nvgpu_pci_tegra_remove() to remove sysfs nodes. This
adds parity with iGPU platform remove.

Bug 1987855

Change-Id: Ibbaffac5c24346709347f86444a951461894354d
Signed-off-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1735987
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
index 61634668..31e1e6e9 100644
--- a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
+++ b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
@@ -60,6 +60,7 @@ int gr_gp10b_init_fs_state(struct gk20a *g);
 int gr_gp10b_alloc_buffer(struct vm_gk20a *vm, size_t size,
                         struct nvgpu_mem *mem);
 void gr_gp10b_create_sysfs(struct gk20a *g);
+void gr_gp10b_remove_sysfs(struct gk20a *g);
 int gr_gp10b_handle_fecs_error(struct gk20a *g,
                         struct channel_gk20a *__ch,
                         struct gr_gk20a_isr_data *isr_data);
diff --git a/drivers/gpu/nvgpu/gp10b/hal_gp10b.c b/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
index d8e69dd8..2430be79 100644
--- a/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
@@ -341,6 +341,7 @@ static const struct gpu_ops gp10b_ops = {
                 .set_bes_crop_debug3 = gr_gp10b_set_bes_crop_debug3,
 #ifdef CONFIG_SYSFS
                 .create_gr_sysfs = gr_gp10b_create_sysfs,
+                .remove_gr_sysfs = gr_gp10b_remove_sysfs,
 #endif
                 .set_ctxsw_preemption_mode = gr_gp10b_set_ctxsw_preemption_mode,
                 .init_ctxsw_hdr_data = gr_gp10b_init_ctxsw_hdr_data,