From 22f2447c04728665a26c63981db05d901537b833 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Mon, 6 Jul 2020 11:03:00 +0800 Subject: drm/amd/powerplay: widely share the API for data table retrieving Considering the data table retrieving can be more widely shared, amdgpu_atombios.c is the right place. Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index c687432da426..29f767e026e4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -2036,3 +2036,20 @@ int amdgpu_atombios_init(struct amdgpu_device *adev) return 0; } +int amdgpu_atombios_get_data_table(struct amdgpu_device *adev, + uint32_t table, + uint16_t *size, + uint8_t *frev, + uint8_t *crev, + uint8_t **addr) +{ + uint16_t data_start; + + if (!amdgpu_atom_parse_data_header(adev->mode_info.atom_context, table, + size, frev, crev, &data_start)) + return -EINVAL; + + *addr = (uint8_t *)adev->mode_info.atom_context->bios + data_start; + + return 0; +} -- cgit v1.2.3