From a9f5db9ca7a92aa00af82b3d10416e34b31a9493 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Wed, 7 Dec 2016 09:56:46 +0800 Subject: [PATCH] drm/amd/amdgpu: stored bios_size It's necessary if we want to export vbios image out. Reviewed-by: Edward O'Callaghan Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Reviewed-by: Christian Koenig Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 29d3a914fc88..f31936b65a58 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1330,6 +1330,7 @@ struct amdgpu_device { /* BIOS */ uint8_t *bios; + uint32_t bios_size; bool is_atom_bios; struct amdgpu_bo *stollen_vga_memory; uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH]; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c index b7e2762fcdd2..4f973a9c7b87 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c @@ -74,6 +74,7 @@ static bool igp_read_bios_from_vram(struct amdgpu_device *adev) iounmap(bios); return false; } + adev->bios_size = size; memcpy_fromio(adev->bios, bios, size); iounmap(bios); return true; @@ -103,6 +104,7 @@ bool amdgpu_read_bios(struct amdgpu_device *adev) pci_unmap_rom(adev->pdev, bios); return false; } + adev->bios_size = size; memcpy_fromio(adev->bios, bios, size); pci_unmap_rom(adev->pdev, bios); return true; @@ -135,6 +137,7 @@ static bool amdgpu_read_bios_from_rom(struct amdgpu_device *adev) DRM_ERROR("no memory to allocate for BIOS\n"); return false; } + adev->bios_size = len; /* read complete BIOS */ return amdgpu_asic_read_bios_from_rom(adev, adev->bios, len); @@ -159,6 +162,7 @@ static bool amdgpu_read_platform_bios(struct amdgpu_device *adev) if (adev->bios == NULL) { return false; } + adev->bios_size = size; return true; } @@ -273,6 +277,7 @@ static bool amdgpu_atrm_get_bios(struct amdgpu_device *adev) kfree(adev->bios); return false; } + adev->bios_size = size; return true; } #else @@ -334,6 +339,7 @@ static bool amdgpu_acpi_vfct_bios(struct amdgpu_device *adev) } adev->bios = kmemdup(&vbios->VbiosContent, vhdr->ImageLength, GFP_KERNEL); + adev->bios_size = vhdr->ImageLength; ret = !!adev->bios; out_unmap: -- GitLab