On Wed, Oct 21, 2020 at 12:55 PM Likun Gao <likun.gao@xxxxxxx> wrote:
>
> From: Likun Gao <Likun.Gao@xxxxxxx>
>
> Skip disabled sa to correct the cu_info and active_rbs for sienna cichlid.
>
> Signed-off-by: Likun Gao <Likun.Gao@xxxxxxx>
> Change-Id: I271682e11f3472cb5ba882e04329976059e06a13
> ---
> drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> index 402fe623c5d8..49ce4aaa2bac 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> @@ -4579,12 +4579,17 @@ static void gfx_v10_0_setup_rb(struct amdgpu_device *adev)
> int i, j;
> u32 data;
> u32 active_rbs = 0;
> + u32 bitmap;
> u32 rb_bitmap_width_per_sh = adev->gfx.config.max_backends_per_se /
> adev->gfx.config.max_sh_per_se;
>
> 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 ((adev->asic_type == CHIP_SIENNA_CICHLID) &&
I think this should be >= CHIP_SIENNA_CICHLID?
> + ((gfx_v10_3_get_disabled_sa(adev) >> bitmap) & 1))
> + continue;
> gfx_v10_0_select_se_sh(adev, i, j, 0xffffffff);
> data = gfx_v10_0_get_rb_active_bitmap(adev);
> active_rbs |= data << ((i * adev->gfx.config.max_sh_per_se + j) *
> @@ -8829,6 +8834,10 @@ static int gfx_v10_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 ((adev->asic_type == CHIP_SIENNA_CICHLID) &&
Same here?
Alex
> + ((gfx_v10_3_get_disabled_sa(adev) >> bitmap) & 1))
> + continue;
> mask = 1;
> ao_bitmap = 0;
> counter = 0;
> --
> 2.25.1
>
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