diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index e0b9fa4..8d3e3d2 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -392,37 +392,6 @@ void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell) __clear_bit(doorbell, rdev->doorbell.used); } -/** - * radeon_doorbell_get_kfd_info - Report doorbell configuration required to - * setup KFD - * - * @rdev: radeon_device pointer - * @aperture_base: output returning doorbell aperture base physical address - * @aperture_size: output returning doorbell aperture size in bytes - * @start_offset: output returning # of doorbell bytes reserved for radeon. - * - * Radeon and the KFD share the doorbell aperture. Radeon sets it up, - * takes doorbells required for its own rings and reports the setup to KFD. - * Radeon reserved doorbells are at the start of the doorbell aperture. - */ -void radeon_doorbell_get_kfd_info(struct radeon_device *rdev, - phys_addr_t *aperture_base, - size_t *aperture_size, - size_t *start_offset) -{ - /* The first num_doorbells are used by radeon. - * KFD takes whatever's left in the aperture. */ - if (rdev->doorbell.size > rdev->doorbell.num_doorbells * sizeof(u32)) { - *aperture_base = rdev->doorbell.base; - *aperture_size = rdev->doorbell.size; - *start_offset = rdev->doorbell.num_doorbells * sizeof(u32); - } else { - *aperture_base = 0; - *aperture_size = 0; - *start_offset = 0; - } -} - /* * radeon_wb_*() * Writeback is the the method by which the the GPU updates special pages |
