[PATCH 6.8 004/172] drm/amdgpu/vpe: power on vpe when hw_init

Greg Kroah-Hartman
2024-04-15T14:23:57Z

From: Peyton Lee <peytolee@amd.com>

commit eed14eb48ee176fe0144c6a999d00c855d0b199b upstream.

To fix mode2 reset failure.
Should power on VPE when hw_init.

Signed-off-by: Peyton Lee <peytolee@amd.com>
Reviewed-by: Lang Yu <lang.yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: "Gong, Richard" <richard.gong@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c | 6 ++++++
1 file changed, 6 insertions(+)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c
@@ -390,6 +390,12 @@ static int vpe_hw_init(void *handle)
struct amdgpu_vpe *vpe = &adev->vpe;
int ret;

+ /* Power on VPE */
+ ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VPE,
+ AMD_PG_STATE_UNGATE);
+ if (ret)
+ return ret;
+
ret = vpe_load_microcode(vpe);
if (ret)
return ret;