drm/amdgpu: add remap_hdp_registers callback for nbio 7.11

Implement support for remapping the HDP aperture registers for
NBIO 7.11.

Reviewed-by: Lang Yu <lang.yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c
index bcf5fb420fda5f4304c6391e286859de23dd1f31..6873eead1e19a9fb68c3da9189a2988147b85577 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c
@@ -28,6 +28,14 @@
 #include "nbio/nbio_7_11_0_sh_mask.h"
 #include <uapi/linux/kfd_ioctl.h>
 
+static void nbio_v7_11_remap_hdp_registers(struct amdgpu_device *adev)
+{
+       WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
+                    adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
+       WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
+                    adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
+}
+
 static u32 nbio_v7_11_get_rev_id(struct amdgpu_device *adev)
 {
        u32 tmp;
@@ -284,4 +292,5 @@ const struct amdgpu_nbio_funcs nbio_v7_11_funcs = {
        .ih_doorbell_range = nbio_v7_11_ih_doorbell_range,
        .ih_control = nbio_v7_11_ih_control,
        .init_registers = nbio_v7_11_init_registers,
+       .remap_hdp_registers = nbio_v7_11_remap_hdp_registers,
 };