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gpu: nvgpu: add NULL check for enable/disable_shadow_rom HALs

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gops.xve.enable_shadow_rom and gops.xve.disable_shadow_rom HALs could be NULL
on some platforms
Execute them only if they are defined

Jira NVGPUT-120

Change-Id: I683d74a850372f442291a419951a2376805eb1e5
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1772559
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Deepak Nibade
2018-07-06 14:58:34 +05:30
committed by mobile promotions
parent 46a66efb0e
commit 5f8bb126a0
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/nvgpu/gp106/bios_gp106.c
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@@ -196,7 +196,9 @@ int gp106_bios_init(struct gk20a *g)
g->bios.data = nvgpu_vmalloc(g, BIOS_SIZE);
if (!g->bios.data)
return -ENOMEM;
g->ops.xve.disable_shadow_rom(g);
if (g->ops.xve.disable_shadow_rom)
g->ops.xve.disable_shadow_rom(g);
for (i = 0; i < g->bios.size/4; i++) {
u32 val = be32_to_cpu(gk20a_readl(g, 0x300000 + i*4));
@@ -205,7 +207,8 @@ int gp106_bios_init(struct gk20a *g)
g->bios.data[(i*4)+2] = (val >> 8) & 0xff;
g->bios.data[(i*4)+3] = val & 0xff;
}
g->ops.xve.enable_shadow_rom(g);
if (g->ops.xve.enable_shadow_rom)
g->ops.xve.enable_shadow_rom(g);
err = nvgpu_bios_parse_rom(g);
if (err)