diff options
| author | Christian König <christian.koenig@amd.com> | 2022-05-05 11:03:51 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-05-06 16:57:21 -0400 |
| commit | d54762cc3e6abb08f5ae31e3fa6a249768c07617 (patch) | |
| tree | 99abd972695ff3e4e4f675e20ae2e1121fdb2d94 /drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | |
| parent | bf1781e17f30a594f959671af59a253e9313a9b9 (diff) | |
| download | linux-d54762cc3e6abb08f5ae31e3fa6a249768c07617.tar.bz2 | |
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 <christian.koenig@amd.com>
Acked-by: Lang Yu <Lang.Yu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.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 | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index e4e779a19c20..90f64219d291 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -835,37 +835,25 @@ static void gfx_v8_0_init_golden_registers(struct amdgpu_device *adev) } } -static void gfx_v8_0_scratch_init(struct amdgpu_device *adev) -{ - adev->gfx.scratch.num_reg = 8; - adev->gfx.scratch.reg_base = mmSCRATCH_REG0; - adev->gfx.scratch.free_mask = (1u << adev->gfx.scratch.num_reg) - 1; -} - static int gfx_v8_0_ring_test_ring(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; - uint32_t scratch; uint32_t tmp = 0; unsigned i; int r; - r = amdgpu_gfx_scratch_get(adev, &scratch); - if (r) - return r; - - WREG32(scratch, 0xCAFEDEAD); + WREG32(mmSCRATCH_REG0, 0xCAFEDEAD); r = amdgpu_ring_alloc(ring, 3); if (r) - goto error_free_scratch; + return r; amdgpu_ring_write(ring, PACKET3(PACKET3_SET_UCONFIG_REG, 1)); - amdgpu_ring_write(ring, (scratch - PACKET3_SET_UCONFIG_REG_START)); + amdgpu_ring_write(ring, mmSCRATCH_REG0 - PACKET3_SET_UCONFIG_REG_START); amdgpu_ring_write(ring, 0xDEADBEEF); amdgpu_ring_commit(ring); for (i = 0; i < adev->usec_timeout; i++) { - tmp = RREG32(scratch); + tmp = RREG32(mmSCRATCH_REG0); if (tmp == 0xDEADBEEF) break; udelay(1); @@ -874,8 +862,6 @@ static int gfx_v8_0_ring_test_ring(struct amdgpu_ring *ring) if (i >= adev->usec_timeout) r = -ETIMEDOUT; -error_free_scratch: - amdgpu_gfx_scratch_free(adev, scratch); return r; } @@ -2000,8 +1986,6 @@ static int gfx_v8_0_sw_init(void *handle) adev->gfx.gfx_current_status = AMDGPU_GFX_NORMAL_MODE; - gfx_v8_0_scratch_init(adev); - r = gfx_v8_0_init_microcode(adev); if (r) { DRM_ERROR("Failed to load gfx firmware!\n"); |