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Commit 6d1d6831 authored by Tom St Denis's avatar Tom St Denis Committed by Alex Deucher
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drm/amdgpu/gfx7: LOC reduction in gfx_v7_0_setup_rb



Reduce for loop with bitmask to simple complement and mask

Signed-off-by: default avatarTom St Denis <tom.stdenis@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d3a7207b
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+2 −7
Original line number Diff line number Diff line
@@ -1648,7 +1648,7 @@ static void gfx_v7_0_setup_rb(struct amdgpu_device *adev,
			      u32 max_rb_num_per_se)
{
	int i, j;
	u32 data, mask;
	u32 data;
	u32 disabled_rbs = 0;
	u32 enabled_rbs = 0;

@@ -1666,12 +1666,7 @@ static void gfx_v7_0_setup_rb(struct amdgpu_device *adev,
	gfx_v7_0_select_se_sh(adev, 0xffffffff, 0xffffffff);
	mutex_unlock(&adev->grbm_idx_mutex);

	mask = 1;
	for (i = 0; i < max_rb_num_per_se * se_num; i++) {
		if (!(disabled_rbs & mask))
			enabled_rbs |= mask;
		mask <<= 1;
	}
	enabled_rbs = (~disabled_rbs) & ((1UL<<(max_rb_num_per_se*se_num))-1);

	adev->gfx.config.backend_enable_mask = enabled_rbs;