gpu: nvgpu: vgpu: add vgpu private data and helper functions

Move vgpu private data to a dedicated structure and allocate it
at probe time. Also add virt_handle helper function which is used
everywhere.

JIRA VFND-2103

Change-Id: I125911420be72ca9be948125d8357fa85d1d3afd
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1185206
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>

1 files changed, 6 insertions, 9 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/ltc_vgpu.c b/drivers/gpu/nvgpu/vgpu/ltc_vgpu.c
index 1adb8b22..3e3f67c6 100644
--- a/drivers/gpu/nvgpu/vgpu/ltc_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/ltc_vgpu.c
@@ -17,12 +17,11 @@
 
 static int vgpu_determine_L2_size_bytes(struct gk20a *g)
 {
-        struct gk20a_platform *platform = gk20a_get_platform(g->dev);
         u32 cache_size = 0;
 
         gk20a_dbg_fn("");
 
-        if (vgpu_get_attribute(platform->virt_handle,
+        if (vgpu_get_attribute(vgpu_get_handle(g),
                         TEGRA_VGPU_ATTRIB_L2_SIZE, &cache_size))
                 dev_err(dev_from_gk20a(g), "unable to get L2 size\n");
 
@@ -31,22 +30,21 @@ static int vgpu_determine_L2_size_bytes(struct gk20a *g)
 
 static int vgpu_ltc_init_comptags(struct gk20a *g, struct gr_gk20a *gr)
 {
-        struct gk20a_platform *platform = gk20a_get_platform(g->dev);
         u32 max_comptag_lines = 0;
         int err;
 
         gk20a_dbg_fn("");
 
-        err = vgpu_get_attribute(platform->virt_handle,
+        err = vgpu_get_attribute(vgpu_get_handle(g),
                         TEGRA_VGPU_ATTRIB_CACHELINE_SIZE,
                         &gr->cacheline_size);
-        err |= vgpu_get_attribute(platform->virt_handle,
+        err |= vgpu_get_attribute(vgpu_get_handle(g),
                         TEGRA_VGPU_ATTRIB_COMPTAGS_PER_CACHELINE,
                         &gr->comptags_per_cacheline);
-        err |= vgpu_get_attribute(platform->virt_handle,
+        err |= vgpu_get_attribute(vgpu_get_handle(g),
                         TEGRA_VGPU_ATTRIB_SLICES_PER_LTC,
                         &gr->slices_per_ltc);
-        err |= vgpu_get_attribute(platform->virt_handle,
+        err |= vgpu_get_attribute(vgpu_get_handle(g),
                         TEGRA_VGPU_ATTRIB_COMPTAG_LINES, &max_comptag_lines);
         if (err) {
                 dev_err(dev_from_gk20a(g), "failed to get ctags atributes\n");
@@ -65,13 +63,12 @@ static int vgpu_ltc_init_comptags(struct gk20a *g, struct gr_gk20a *gr)
 
 static void vgpu_ltc_init_fs_state(struct gk20a *g)
 {
-        struct gk20a_platform *platform = gk20a_get_platform(g->dev);
         u32 ltc_count = 0;
         int err;
 
         gk20a_dbg_fn("");
 
-        err = vgpu_get_attribute(platform->virt_handle,
+        err = vgpu_get_attribute(vgpu_get_handle(g),
                         TEGRA_VGPU_ATTRIB_LTC_COUNT, &ltc_count);
         WARN_ON(err);
         g->ltc_count = ltc_count;