kernel/linux.git/drivers/gpu/drm/amd/amdgpu/vid.h, branch linux-4.3.y

drm/amdgpu: Add amdgpu <--> amdkfd gfx8 interface

2015-07-20T06:16:48+00:00

This patch adds the gfx8 interface file between amdgpu and amdkfd. This interface file is currently in use when running on a Carrizo-based system. The interface itself is represented by a pointer to struct kfd_dev. The pointer is located inside amdgpu_device structure. All the register accesses that amdkfd need are done using this interface. This allows us to avoid direct register accesses in amdkfd proper, while also allows us to avoid locking between amdkfd and amdgpu. The single exception is the doorbells that are used in both of the drivers. However, because they are located in separate pci bar pages, the danger of sharing registers between the drivers is minimal. Having said that, we are planning to move the doorbells as well to amdgpu. Signed-off-by: Ben Goz Signed-off-by: Oded Gabbay

drm/amdgpu: add vram_type and vram_bit_width for interface query (v2)

2015-06-04T01:04:04+00:00

Track the type of vram on the board and provide a query for it. User mode drivers and tools want this information for determining bandwidth information and form informational purposes. v2: fix build when CI support is not enabled Signed-off-by: Ken Wang Reviewed-by: Jammy Zhou

drm/amdgpu: Add initial VI support

2015-06-04T01:03:17+00:00

This adds initial support for VI asics. This includes Iceland, Tonga, and Carrizo. Our inital focus as been Carrizo, so there are still gaps in support for Tonga and Iceland, notably power management. Acked-by: Christian König Acked-by: Jammy Zhou Signed-off-by: Alex Deucher