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gpu: nvgpu: remove unused vpr refetch functions

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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>
This commit is contained in:
Deepak Nibade
2014-06-05 17:15:58 +05:30
committed by Dan Willemsen
parent 3227958a5e
commit 6cd26db477
2 changed files with 0 additions and 59 deletions
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14
drivers/gpu/nvgpu/gk20a/gk20a.c
View File

@@ -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)
{

45
drivers/gpu/nvgpu/gk20a/mm_gk20a.c
View File

@@ -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;