From 422e4e26dbf8767580bd00deb22faa31e15baa98 Mon Sep 17 00:00:00 2001
From: Emily Deng <Emily.Deng@amd.com>
Date: Mon, 19 Jun 2023 16:09:07 +0800
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@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
---
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 2db73a9640314..d96ff4acae350 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -1427,8 +1427,10 @@ 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);
--
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