[AMD Official Use Only - Internal Distribution Only] Acked-by: Evan Quan <[email protected]>
From: amd-gfx <[email protected]> On Behalf Of Guo Lei Sent: Monday, June 15, 2020 3:14 PM To: [email protected] Subject: [PATCH] drm/amdgpu: Fix incorrect firmware size calculation >From 014162f69b909a59c241e7f73c3630d1da34696c Mon Sep 17 00:00:00 2001 From: Lei Guo <[email protected]<mailto:[email protected]>> Date: Mon, 15 Jun 2020 13:54:26 +0800 Subject: [PATCH] drm/amdgpu: Fix incorrect firmware size calculation [WHY] The memcpy() function copies n bytes from memory area src to memory area dest. So specify the firmware size in bytes. [How] Correct the calculation. Signed-off-by: Lei Guo <[email protected]<mailto:[email protected]>> Reviewed-by: Junwei Zhang <[email protected]<mailto:[email protected]>> --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 6b94587df407..c3e59b765268 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -1960,7 +1960,7 @@ static int gfx_v9_0_mec_init(struct amdgpu_device *adev) fw_data = (const __le32 *) (adev->gfx.mec_fw->data + le32_to_cpu(mec_hdr->header.ucode_array_offset_bytes)); - fw_size = le32_to_cpu(mec_hdr->header.ucode_size_bytes) / 4; + fw_size = le32_to_cpu(mec_hdr->header.ucode_size_bytes); r = amdgpu_bo_create_reserved(adev, mec_hdr->header.ucode_size_bytes, PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, -- 2.17.1
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