Lines Matching refs:doorbell

85  * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to
89  * @aperture_base: output returning doorbell aperture base physical address
90  * @aperture_size: output returning doorbell aperture size in bytes
91  * @start_offset: output returning # of doorbell bytes reserved for amdgpu.
93  * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up,
95  * amdgpu reserved doorbells are at the start of the doorbell aperture.
111 		 * doorbell space.
113 		*aperture_base = adev->doorbell.base;
116 	} else if (adev->doorbell.size > adev->doorbell.num_kernel_doorbells *
118 		*aperture_base = adev->doorbell.base;
119 		*aperture_size = adev->doorbell.size;
120 		*start_offset = adev->doorbell.num_kernel_doorbells * sizeof(u32);
216 		 * lower 12 bits of doorbell addresses for routing
219 		 * In order to route a doorbell to CP engine, the lower