Commit f4a94dbb authored by Likun Gao's avatar Likun Gao Committed by Alex Deucher
Browse files

drm/amdgpu: correct the cu count for gfx v11 



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

Signed-off-by: default avatarLikun Gao <Likun.Gao@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 90bd0147

drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c

+3 −0
Original line number Diff line number Diff line
@@ -6383,6 +6383,9 @@ 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);