Found-by: Coccinelle
Signed-off-by: NEdward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: NTom St Denis <tom.stdenis@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

It is only used locally in amdgpu_get_bios
Signed-off-by: NNils Wallménius <nils.wallmenius@gmail.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

Read the vbios directly from the rom.  In some cases,
e.g., virtualization, the rom is not available via
the BAR or other means.  Access it directly.

This is an updated version of Monks original patch which
uses family specific callbacks and unifies some of the
validation checking.
Reviewed-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NJammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: NMonk Liu <Monk.Liu@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

This was added to two radeon files even though they don't use any
vga_switcheroo symbols, the amdgpu fork inherited them:

Added to amdgpu_acpi.c by commit d7a2952f ("drm/radeon: Add
support for the ATIF ACPI method to the radeon driver").

Added to amdgpu_bios.c by commit 6a9ee8af ("vga_switcheroo:
initial implementation (v15)").
Signed-off-by: NLukas Wunner <lukas@wunner.de>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

Make the definitions common for all driver components

v2: fix kfd
Signed-off-by: NJammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>

Use readb() and memcpy_fromio() accessors instead.

Ported from radeon commit:
f2c9e560Acked-by: NChristian König <christian.koenig@amd.com>
Acked-by: NJammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

This adds the non-asic specific core driver code.

v2: remove extra kconfig option
v3: implement minor fixes from Fengguang Wu
v4: fix cast in amdgpu_ucode.c
Acked-by: NChristian König <christian.koenig@amd.com>
Acked-by: NJammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>