[PATCH 6.8 699/715] drm/amdgpu: drop setting buffer funcs in sdma442

Sasha Levin
2024-03-24T22:46:33Z

From: Le Ma <le.ma@amd.com>

[ Upstream commit ad550dbe8ae4ba833371a018265c1c3ae88559f0 ]

To fix the entity rq NULL issue. This setting has been moved
to upper level.

Fixes: b70438004a14 ("drm/amdgpu: move buffer funcs setting up a level")
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 23 +----------------------
1 file changed, 1 insertion(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
index 2d688dca26bed..45a67a77455ee 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
@@ -429,16 +429,11 @@ static void sdma_v4_4_2_inst_gfx_stop(struct amdgpu_device *adev,
struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES];
u32 doorbell_offset, doorbell;
u32 rb_cntl, ib_cntl;
- int i, unset = 0;
+ int i;

for_each_inst(i, inst_mask) {
sdma[i] = &adev->sdma.instance[i].ring;

- if ((adev->mman.buffer_funcs_ring == sdma[i]) && unset != 1) {
- amdgpu_ttm_set_buffer_funcs_status(adev, false);
- unset = 1;
- }
-
rb_cntl = RREG32_SDMA(i, regSDMA_GFX_RB_CNTL);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_ENABLE, 0);
WREG32_SDMA(i, regSDMA_GFX_RB_CNTL, rb_cntl);
@@ -485,20 +480,10 @@ static void sdma_v4_4_2_inst_rlc_stop(struct amdgpu_device *adev,
static void sdma_v4_4_2_inst_page_stop(struct amdgpu_device *adev,
uint32_t inst_mask)
{
- struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES];
u32 rb_cntl, ib_cntl;
int i;
- bool unset = false;

for_each_inst(i, inst_mask) {
- sdma[i] = &adev->sdma.instance[i].page;
-
- if ((adev->mman.buffer_funcs_ring == sdma[i]) &&
- (!unset)) {
- amdgpu_ttm_set_buffer_funcs_status(adev, false);
- unset = true;
- }
-
rb_cntl = RREG32_SDMA(i, regSDMA_PAGE_RB_CNTL);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_PAGE_RB_CNTL,
RB_ENABLE, 0);
@@ -948,13 +933,7 @@ static int sdma_v4_4_2_inst_start(struct amdgpu_device *adev,
r = amdgpu_ring_test_helper(page);
if (r)
return r;
-
- if (adev->mman.buffer_funcs_ring == page)
- amdgpu_ttm_set_buffer_funcs_status(adev, true);
}
-
- if (adev->mman.buffer_funcs_ring == ring)
- amdgpu_ttm_set_buffer_funcs_status(adev, true);
}

return r;
--
2.43.0