gpu: nvgpu: gp10b: Define compressible page size

gp10b can compress 4k pages.

Bug 1605769

Change-Id: I15cf4b9ead0fefdfc430cfc4919dcb16721f5cb2
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/725794
GVS: Gerrit_Virtual_Submit

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/fb_gp10b.c b/drivers/gpu/nvgpu/gp10b/fb_gp10b.c
index bd1b7bf0..3a143ced 100644
--- a/drivers/gpu/nvgpu/gp10b/fb_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/fb_gp10b.c
@@ -92,10 +92,16 @@ static int gp10b_fb_compression_page_size(struct gk20a *g)
         return SZ_64K;
 }
 
+static int gp10b_fb_compressible_page_size(struct gk20a *g)
+{
+        return SZ_4K;
+}
+
 void gp10b_init_fb(struct gpu_ops *gops)
 {
         gm20b_init_fb(gops);
         gops->fb.compression_page_size = gp10b_fb_compression_page_size;
+        gops->fb.compressible_page_size = gp10b_fb_compressible_page_size;
 
         gp10b_init_uncompressed_kind_map();
         gp10b_init_kind_attr();