if board uses AZ rather than ACP, we power down acp
through smu to save power.
Signed-off-by: Rex Zhu <rex....@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
index 71efcf3..4e18a88 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
@@ -35,6 +35,7 @@
#include "acp_gfx_if.h"
+
#define ACP_TILE_ON_MASK 0x03
#define ACP_TILE_OFF_MASK 0x02
#define ACP_TILE_ON_RETAIN_REG_MASK 0x1f
@@ -289,11 +290,12 @@ static int acp_hw_init(void *handle)
r = amd_acp_hw_init(adev->acp.cgs_device,
ip_block->version->major, ip_block->version->minor);
/* -ENODEV means board uses AZ rather than ACP */
- if (r == -ENODEV)
+ if (r == -ENODEV) {
+ amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP,
true);
return 0;
- else if (r)
+ } else if (r) {
return r;
-
+ }
if (adev->rmmio_size == 0 || adev->rmmio_size < 0x5289)
return -EINVAL;
--
1.9.1
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