drm/amd: add pm domain for ACP IP sub blocks
ACP IP have internal DMA controller, DW I2S controller and DSPs
as separate power tiles. DMA and I2S devices are added to generic
pm domain, so that entire IP can be powered off/on at appropriate
times. Unused DSPs are made to be powered off though they are powered
on during ACP pm domain power on sequence.
Signed-off-by: Maruthi Bayyavarapu <maruthi.bayyavarapu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.h
index 24952ed..f6e32a6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.h
@@ -34,6 +34,7 @@
struct amd_acp_private *private;
struct mfd_cell *acp_cell;
struct resource *acp_res;
+ struct acp_pm_domain *acp_genpd;
};
extern const struct amd_ip_funcs acp_ip_funcs;