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
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit

2 files changed, 0 insertions, 59 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index 42b13c69c639..ad6f9b63a04c 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -1707,20 +1707,6 @@ 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 d2174f37f810..248b2e96fc72 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
@@ -3010,48 +3010,3 @@ bool gk20a_mm_mmu_debug_mode_enabled(struct gk20a *g)
 	return fb_mmu_debug_ctrl_debug_v(debug_ctrl) ==
 		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;
-}