gpu: nvgpu: remove unused vpr refetch functions

VPR resize is done by forcing GPU to idle and then updating
VPR size from TLK.
There is no need now to call vpr_resize funtion from kernel
and hence these functions can be removed.

Bug 1487804

Change-Id: I758a6e0a99a58757866f1138b0a89594e2a33908
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/421703
(cherry picked from commit 391d9bacf053fe0dacffc76c36768f82912ad1f4)
Reviewed-on: http://git-master/r/419612
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

2 files changed, 0 insertions, 59 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index 12c36d33..8e142e6e 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -1738,20 +1738,6 @@ int gk20a_init_gpu_characteristics(struct gk20a *g)
         return 0;
 }
 
-int nvhost_vpr_info_fetch(void)
-{
-        struct gk20a *g = get_gk20a(to_platform_device(
-                        bus_find_device_by_name(&platform_bus_type,
-                        NULL, "gk20a.0")));
-
-        if (!g) {
-                pr_info("gk20a ins't ready yet\n");
-                return 0;
-        }
-
-        return gk20a_mm_mmu_vpr_info_fetch(g);
-}
-
 static const struct firmware *
 do_request_firmware(struct device *dev, const char *prefix, const char *fw_name)
 {
diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
index 3b0b020d..6f62e1cb 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
@@ -3020,51 +3020,6 @@ bool gk20a_mm_mmu_debug_mode_enabled(struct gk20a *g)
                 fb_mmu_debug_ctrl_debug_enabled_v();
 }
 
-static int gk20a_mm_mmu_vpr_info_fetch_wait(struct gk20a *g,
-                                            const unsigned int msec)
-{
-        unsigned long timeout;
-
-        timeout = jiffies + msecs_to_jiffies(msec);
-        while (1) {
-                u32 val;
-
-                val = gk20a_readl(g, fb_mmu_vpr_info_r());
-                if (fb_mmu_vpr_info_fetch_v(val) ==
-                    fb_mmu_vpr_info_fetch_false_v())
-                        break;
-
-                if (tegra_platform_is_silicon() &&
-                                WARN_ON(time_after(jiffies, timeout)))
-                        return -ETIME;
-        }
-
-        return 0;
-}
-
-int gk20a_mm_mmu_vpr_info_fetch(struct gk20a *g)
-{
-        int ret = 0;
-
-        gk20a_busy_noresume(g->dev);
-        if (!pm_runtime_active(&g->dev->dev))
-                goto fail;
-
-        if (gk20a_mm_mmu_vpr_info_fetch_wait(g, 5)) {
-                ret = -ETIME;
-                goto fail;
-        }
-
-        gk20a_writel(g, fb_mmu_vpr_info_r(),
-                     fb_mmu_vpr_info_fetch_true_v());
-
-        ret = gk20a_mm_mmu_vpr_info_fetch_wait(g, 5);
-
- fail:
-        gk20a_idle(g->dev);
-        return ret;
-}
-
 void gk20a_init_mm(struct gpu_ops *gops)
 {
         gops->mm.set_sparse = gk20a_vm_put_empty;