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gpu: nvgpu: vgpu: remove bar1 support

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All vgpu supported chips don't support bar1 anymore.

Jira GVSCI-15779

Change-Id: Ia2dc4a69f3cb96df6650e663d2a40302fc826dd2
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2884174
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Santosh BS <santoshb@nvidia.com>
Reviewed-by: Austin Tajiri <atajiri@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Richard Zhao
2023-03-27 16:54:18 -07:00
committed by mobile promotions
parent 4e6be49eee
commit 678df244b9
1 changed files with 4 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
drivers/gpu/nvgpu/os/linux/vgpu/vgpu_linux.c
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@@ -72,18 +72,6 @@ struct vgpu_priv_data *vgpu_get_priv_data(struct gk20a *g)
return (struct vgpu_priv_data *)plat->vgpu_priv;
}
static void vgpu_remove_support(struct gk20a *g)
{
vgpu_remove_support_common(g);
/* free mappings to registers, etc*/
if (g->bar1) {
iounmap((void __iomem *)g->bar1);
g->bar1 = 0U;
}
}
static void vgpu_init_vars(struct gk20a *g, struct gk20a_platform *platform)
{
struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
@@ -103,7 +91,6 @@ static void vgpu_init_vars(struct gk20a *g, struct gk20a_platform *platform)
nvgpu_init_list_node(&l->ctrl_privs);
g->regs_saved = g->regs;
g->bar1_saved = g->bar1;
nvgpu_atomic_set(&g->clk_arb_global_nr, 0);
@@ -125,31 +112,11 @@ static void vgpu_init_vars(struct gk20a *g, struct gk20a_platform *platform)
}
}
static int vgpu_init_support(struct platform_device *pdev)
static int vgpu_init_support(struct gk20a *g)
{
struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
struct gk20a *g = get_gk20a(&pdev->dev);
struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
void __iomem *regs;
int err = 0;
if (!r) {
nvgpu_err(g, "failed to get gk20a bar1");
err = -ENXIO;
goto fail;
}
if (r->name && !strcmp(r->name, "/vgpu")) {
regs = devm_ioremap_resource(&pdev->dev, r);
if (IS_ERR(regs)) {
nvgpu_err(g, "failed to remap gk20a bar1");
err = PTR_ERR(regs);
goto fail;
}
g->bar1 = (uintptr_t)regs;
l->bar1_mem = r;
}
nvgpu_mutex_init(&g->dbg_sessions_lock);
#if defined(CONFIG_NVGPU_CYCLESTATS)
nvgpu_mutex_init(&g->cs_lock);
@@ -169,11 +136,11 @@ static int vgpu_init_support(struct platform_device *pdev)
SZ_4K / sizeof(g->dbg_regops_tmp_buf[0]);
#endif
g->remove_support = vgpu_remove_support;
g->remove_support = vgpu_remove_support_common;
return 0;
fail:
vgpu_remove_support(g);
vgpu_remove_support_common(g);
return err;
}
@@ -394,7 +361,7 @@ int vgpu_probe(struct platform_device *pdev)
platform->g = gk20a;
platform->vgpu_priv = priv;
err = vgpu_init_support(pdev);
err = vgpu_init_support(gk20a);
if (err != 0) {
kfree(l);
return -ENOMEM;