diff options
| author | Christian König <[email protected]> | 2022-05-05 09:03:51 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2022-05-06 20:57:21 +0000 |
| commit | d54762cc3e6abb08f5ae31e3fa6a249768c07617 (patch) | |
| tree | 99abd972695ff3e4e4f675e20ae2e1121fdb2d94 /drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | |
| parent | drm/amdgpu: simplify nv and soc21 read_register functions (diff) | |
| download | kernel-d54762cc3e6abb08f5ae31e3fa6a249768c07617.tar.gz kernel-d54762cc3e6abb08f5ae31e3fa6a249768c07617.zip | |
drm/amdgpu: nuke dynamic gfx scratch reg allocation
It's over a decade ago that this was actually used for more than ring and
IB tests. Just use the static register directly where needed and nuke the
now useless infrastructure.
Signed-off-by: Christian König <[email protected]>
Acked-by: Lang Yu <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index 5d6b04fc6206..ede2fa56f6c9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -99,42 +99,6 @@ bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, } /** - * amdgpu_gfx_scratch_get - Allocate a scratch register - * - * @adev: amdgpu_device pointer - * @reg: scratch register mmio offset - * - * Allocate a CP scratch register for use by the driver (all asics). - * Returns 0 on success or -EINVAL on failure. - */ -int amdgpu_gfx_scratch_get(struct amdgpu_device *adev, uint32_t *reg) -{ - int i; - - i = ffs(adev->gfx.scratch.free_mask); - if (i != 0 && i <= adev->gfx.scratch.num_reg) { - i--; - adev->gfx.scratch.free_mask &= ~(1u << i); - *reg = adev->gfx.scratch.reg_base + i; - return 0; - } - return -EINVAL; -} - -/** - * amdgpu_gfx_scratch_free - Free a scratch register - * - * @adev: amdgpu_device pointer - * @reg: scratch register mmio offset - * - * Free a CP scratch register allocated for use by the driver (all asics) - */ -void amdgpu_gfx_scratch_free(struct amdgpu_device *adev, uint32_t reg) -{ - adev->gfx.scratch.free_mask |= 1u << (reg - adev->gfx.scratch.reg_base); -} - -/** * amdgpu_gfx_parse_disable_cu - Parse the disable_cu module parameter * * @mask: array in which the per-shader array disable masks will be stored |