drm/amdgpu/gfx7: LOC reduction in gfx_v7_0_setup_rb
Reduce for loop with bitmask to simple complement and mask Signed-off-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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@ -1648,7 +1648,7 @@ static void gfx_v7_0_setup_rb(struct amdgpu_device *adev,
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u32 max_rb_num_per_se)
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{
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int i, j;
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u32 data, mask;
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u32 data;
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u32 disabled_rbs = 0;
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u32 enabled_rbs = 0;
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@ -1666,12 +1666,7 @@ static void gfx_v7_0_setup_rb(struct amdgpu_device *adev,
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gfx_v7_0_select_se_sh(adev, 0xffffffff, 0xffffffff);
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mutex_unlock(&adev->grbm_idx_mutex);
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mask = 1;
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for (i = 0; i < max_rb_num_per_se * se_num; i++) {
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if (!(disabled_rbs & mask))
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enabled_rbs |= mask;
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mask <<= 1;
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}
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enabled_rbs = (~disabled_rbs) & ((1UL<<(max_rb_num_per_se*se_num))-1);
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adev->gfx.config.backend_enable_mask = enabled_rbs;
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