drm/amdgpu/gfx: Use CSB helpers in gfx_v8_0_get_csb_buffer

Remove code duplication from gfx_v8_0_get_csb_buffer by using CSB
helpers.

Signed-off-by: Rodrigo Siqueira <siqueira@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rodrigo Siqueira 2025-04-21 16:12:22 -06:00 • committed by Alex Deucher
commit b990cb5234