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Revert "drm/radeon: Report doorbell configuration to amdkfd"

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This reverts commit ebff8453d3. Unused
since amdkfd is no longer supported with radeon.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2017-12-20 10:45:36 +01:00 committed by Alex Deucher
parent 4c0ab318a1
commit 8214ddae31
2 changed files with 0 additions and 35 deletions
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4
drivers/gpu/drm/radeon/radeon.h
View File

@ -731,10 +731,6 @@ struct radeon_doorbell {
int radeon_doorbell_get(struct radeon_device *rdev, u32 *page);
void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell);
void radeon_doorbell_get_kfd_info(struct radeon_device *rdev,
phys_addr_t *aperture_base,
size_t *aperture_size,
size_t *start_offset);
/*
* IRQS.

31
drivers/gpu/drm/radeon/radeon_device.c
View File

@ -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