So we don't have to look this up via MMIO when users request the value via ioctl. Signed-off-by: Alex Deucher <alexander.deucher at amd.com> --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 6fc4b29..fa3e579 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -1237,6 +1237,11 @@ static void gfx_v9_0_setup_rb(struct amdgpu_device *adev) data = gfx_v9_0_get_rb_active_bitmap(adev); active_rbs |= data << ((i * adev->gfx.config.max_sh_per_se + j) * rb_bitmap_width_per_sh); + /* cache the values for userspace */ + adev->gfx.config.rb_config[i][j].rb_backend_disable = + RREG32(SOC15_REG_OFFSET(GC, 0, mmCC_RB_BACKEND_DISABLE)); + adev->gfx.config.rb_config[i][j].user_rb_backend_disable = + RREG32(SOC15_REG_OFFSET(GC, 0, mmGC_USER_RB_BACKEND_DISABLE)); } } gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); -- 2.5.5
