diff options
| author | Nils Wallménius <nils.wallmenius@gmail.com> | 2017-01-16 21:56:48 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-01-27 11:13:32 -0500 |
| commit | 50261151a13176a99ee6117dbbb2e557fd0b608b (patch) | |
| tree | fb6fe0437e2e5e44fa25edc4dd1f6df169da066d /drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | |
| parent | cb341a319f7e66f879d69af929c3dadfc1a8f31e (diff) | |
| download | linux-50261151a13176a99ee6117dbbb2e557fd0b608b.tar.bz2 | |
drm/amdgpu: simplify allocation of scratch regs
The scratch regs are sequential so there's no need to keep
them in an array, we can just return the index of the first
free register + the base register. Also change the array
of bools for keeping track of the free regs to a bitfield.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Nils Wallménius <nils.wallmenius@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index c8c45ba952c8..69543d4eef34 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -749,14 +749,9 @@ static void gfx_v8_0_init_golden_registers(struct amdgpu_device *adev) static void gfx_v8_0_scratch_init(struct amdgpu_device *adev) { - int i; - adev->gfx.scratch.num_reg = 7; adev->gfx.scratch.reg_base = mmSCRATCH_REG0; - for (i = 0; i < adev->gfx.scratch.num_reg; i++) { - adev->gfx.scratch.free[i] = true; - adev->gfx.scratch.reg[i] = adev->gfx.scratch.reg_base + i; - } + adev->gfx.scratch.free_mask = (1u << adev->gfx.scratch.num_reg) - 1; } static int gfx_v8_0_ring_test_ring(struct amdgpu_ring *ring) |