gpu: nvgpu: detect vidmem configuration from HW

Read video memory size from hardware during initialization for devices
that support it.

JIRA DNVGPU-14

Change-Id: I84e1bca0eaac8dc204e1fb82628acc6b52c3e5cc
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1157212
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp106/hw_fb_gp106.h b/drivers/gpu/nvgpu/gp106/hw_fb_gp106.h
index 42d32ab3..1ab876cd 100644
--- a/drivers/gpu/nvgpu/gp106/hw_fb_gp106.h
+++ b/drivers/gpu/nvgpu/gp106/hw_fb_gp106.h
@@ -486,4 +486,20 @@ static inline u32 fb_niso_flush_sysmem_addr_r(void)
 {
         return 0x00100c10;
 }
+static inline u32 fb_mmu_local_memory_range_r(void)
+{
+        return 0x00100ce0;
+}
+static inline u32 fb_mmu_local_memory_range_lower_scale_v(u32 r)
+{
+        return (r >> 0) & 0xf;
+}
+static inline u32 fb_mmu_local_memory_range_lower_mag_v(u32 r)
+{
+        return (r >> 4) & 0x3f;
+}
+static inline u32 fb_mmu_local_memory_range_ecc_mode_v(u32 r)
+{
+        return (r >> 30) & 0x1;
+}
 #endif