gpu: nvgpu: Delete VBIOS overlay support

VBIOS overlay support is not used anywhere, and it introduces a
dependency to Linux PCIe. Instead of fixing it, just delete the
code.

Change-Id: I751e490f8bb8271a19b917686f5d2c8a85d92cb7
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1541512
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sourab Gupta <sourabg@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 14 insertions, 44 deletions

diff --git a/drivers/gpu/nvgpu/gm206/bios_gm206.c b/drivers/gpu/nvgpu/gm206/bios_gm206.c
index b0626d19..62dce777 100644
--- a/drivers/gpu/nvgpu/gm206/bios_gm206.c
+++ b/drivers/gpu/nvgpu/gm206/bios_gm206.c
@@ -11,13 +11,10 @@
  * more details.
  */
 
-#include <linux/pci.h>
-
 #include <nvgpu/bios.h>
 #include <nvgpu/kmem.h>
 #include <nvgpu/nvgpu_common.h>
 #include <nvgpu/timers.h>
-#include <nvgpu/firmware.h>
 #include <nvgpu/falcon.h>
 #include <nvgpu/enabled.h>
 
@@ -176,48 +173,25 @@ int gm206_bios_init(struct gk20a *g)
         struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
         struct dentry *d;
 #endif
-        struct nvgpu_firmware *bios_fw;
         int err;
-        struct pci_dev *pdev = to_pci_dev(dev_from_gk20a(g));
-        char rom_name[sizeof(BIOS_OVERLAY_NAME_FORMATTED)];
 
         gk20a_dbg_fn("");
 
-        snprintf(rom_name, sizeof(rom_name), BIOS_OVERLAY_NAME, pdev->device);
-        gk20a_dbg_info("checking for VBIOS overlay %s", rom_name);
-        bios_fw = nvgpu_request_firmware(g, rom_name,
-                        NVGPU_REQUEST_FIRMWARE_NO_WARN |
-                        NVGPU_REQUEST_FIRMWARE_NO_SOC);
-        if (bios_fw) {
-                gk20a_dbg_info("using VBIOS overlay");
-                g->bios.size = bios_fw->size - ROM_FILE_PAYLOAD_OFFSET;
-                g->bios.data = vmalloc(g->bios.size);
-                if (!g->bios.data) {
-                        err = -ENOMEM;
-                        goto free_firmware;
-                }
-
-                memcpy(g->bios.data, &bios_fw->data[ROM_FILE_PAYLOAD_OFFSET],
-                       g->bios.size);
-
-                nvgpu_release_firmware(g, bios_fw);
-        } else {
-                gk20a_dbg_info("reading bios from EEPROM");
-                g->bios.size = BIOS_SIZE;
-                g->bios.data = nvgpu_vmalloc(g, BIOS_SIZE);
-                if (!g->bios.data)
-                        return -ENOMEM;
-                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));
-
-                        g->bios.data[(i*4)] = (val >> 24) & 0xff;
-                        g->bios.data[(i*4)+1] = (val >> 16) & 0xff;
-                        g->bios.data[(i*4)+2] = (val >> 8) & 0xff;
-                        g->bios.data[(i*4)+3] = val & 0xff;
-                }
-                g->ops.xve.enable_shadow_rom(g);
+        gk20a_dbg_info("reading bios from EEPROM");
+        g->bios.size = BIOS_SIZE;
+        g->bios.data = nvgpu_vmalloc(g, BIOS_SIZE);
+        if (!g->bios.data)
+                return -ENOMEM;
+        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));
+
+                g->bios.data[(i*4)] = (val >> 24) & 0xff;
+                g->bios.data[(i*4)+1] = (val >> 16) & 0xff;
+                g->bios.data[(i*4)+2] = (val >> 8) & 0xff;
+                g->bios.data[(i*4)+3] = val & 0xff;
         }
+        g->ops.xve.enable_shadow_rom(g);
 
         err = nvgpu_bios_parse_rom(g);
         if (err)
@@ -263,8 +237,4 @@ int gm206_bios_init(struct gk20a *g)
         }
 
         return 0;
-
-free_firmware:
-        nvgpu_release_firmware(g, bios_fw);
-        return err;
 }