[AMD Official Use Only - General]
Ping.....
Best wishes
Emily Deng
>-----Original Message-----
>From: Emily Deng <Emily.Deng@xxxxxxx>
>Sent: Wednesday, June 21, 2023 9:30 AM
>To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
>Cc: Deng, Emily <Emily.Deng@xxxxxxx>
>Subject: [PATCH] drm/amdgpu/vcn: Need to unpause dpg before stop dpg
>
>Need to unpause dpg first, or it will hit follow error during stop dpg:
>"[drm] Register(1) [regUVD_POWER_STATUS] failed to reach value
>0x00000001 != 0x00000000n"
>
>Signed-off-by: Emily Deng <Emily.Deng@xxxxxxx>
>---
> drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c | 2 ++
> 1 file changed, 2 insertions(+)
>
>diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
>b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
>index b48bb5212488..259795098173 100644
>--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
>+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
>@@ -1424,8 +1424,10 @@ static int vcn_v4_0_start_sriov(struct
>amdgpu_device *adev)
> */
> static void vcn_v4_0_stop_dpg_mode(struct amdgpu_device *adev, int
>inst_idx) {
>+ struct dpg_pause_state state = {.fw_based =
>VCN_DPG_STATE__UNPAUSE};
> uint32_t tmp;
>
>+ vcn_v4_0_pause_dpg_mode(adev, inst_idx, &state);
> /* Wait for power status to be 1 */
> SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
> UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
>--
>2.36.1
