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drm/amdgpu: correct the cu count for gfx v11

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commit f4a94dbb6d upstream.

Correct the algorithm of active CU to skip disabled
sa for gfx v11.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Likun Gao 2024-01-05 17:33:34 +08:00 committed by Greg Kroah-Hartman
parent 7510670bb4
commit b788696f9e
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
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@ -6353,6 +6353,9 @@ static int gfx_v11_0_get_cu_info(struct amdgpu_device *adev,
mutex_lock(&adev->grbm_idx_mutex);
for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
bitmap = i * adev->gfx.config.max_sh_per_se + j;
if (!((gfx_v11_0_get_sa_active_bitmap(adev) >> bitmap) & 1))
continue;
mask = 1;
counter = 0;
gfx_v11_0_select_se_sh(adev, i, j, 0xffffffff, 0);