gpu: nvgpu: Move FB size query to FB

Vidmem size query was in mm_xxx.c. It involves reading a register from
FB, so move the query to FB HAL.

JIRA NVGPU-1063

Change-Id: I30dfd2c4fdcdd6c841f85aaab7431d52473759bd
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1801425
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/fb/fb_gv100.h b/drivers/gpu/nvgpu/common/fb/fb_gv100.h
index 195baccf..d47fded2 100644
--- a/drivers/gpu/nvgpu/common/fb/fb_gv100.h
+++ b/drivers/gpu/nvgpu/common/fb/fb_gv100.h
@@ -33,4 +33,6 @@ void gv100_fb_disable_hub_intr(struct gk20a *g);
 int gv100_fb_memory_unlock(struct gk20a *g);
 int gv100_fb_init_nvlink(struct gk20a *g);
 int gv100_fb_enable_nvlink(struct gk20a *g);
+size_t gv100_fb_get_vidmem_size(struct gk20a *g);
+
 #endif