Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu: add helper to load ip_discovery binary from file
To be used when ip_discovery binary is not carried by vbios
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Hawking Zhang
and committed by
Alex Deucher
43a80bd5
c40bdfb2
+30
-1
+30
-1
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+30
-1
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
···
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#include "smuio_v11_0_6.h"
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#include "smuio_v13_0.h"
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-
MODULE_FIRMWARE("amdgpu/ip_discovery.bin");
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#define FIRMWARE_IP_DISCOVERY "amdgpu/ip_discovery.bin"
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MODULE_FIRMWARE(FIRMWARE_IP_DISCOVERY);
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#define mmRCC_CONFIG_MEMSIZE 0xde3
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#define mmMM_INDEX 0x0
···
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amdgpu_device_vram_access(adev, pos, (uint32_t *)binary,
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adev->mman.discovery_tmr_size, false);
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return 0;
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}
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static int amdgpu_discovery_read_binary_from_file(struct amdgpu_device *adev, uint8_t *binary)
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{
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const struct firmware *fw;
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const char *fw_name;
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int r;
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switch (amdgpu_discovery) {
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case 2:
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fw_name = FIRMWARE_IP_DISCOVERY;
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break;
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default:
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dev_warn(adev->dev, "amdgpu_discovery is not set properly\n");
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return -EINVAL;
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}
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r = request_firmware(&fw, fw_name, adev->dev);
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if (r) {
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dev_err(adev->dev, "can't load firmware \"%s\"\n",
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fw_name);
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return r;
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}
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memcpy((u8 *)binary, (u8 *)fw->data, adev->mman.discovery_tmr_size);
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release_firmware(fw);
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return 0;
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}
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