[PATCH] drm/amd/vcn: fix an error msg on vcn 3.0

[Yin, Tianci (Rico)]

[AMD Official Use Only]

Thank you James!

Rico
________________________________
From: Zhu, James <James.Zhu at amd.com>
Sent: Sunday, March 27, 2022 21:47
To: Yin, Tianci (Rico) <Tianci.Yin at amd.com>; amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Chen, Guchun <Guchun.Chen at amd.com>; Wang, Yu (Charlie) <Yu.Wang4 at amd.com>
Subject: Re: [PATCH] drm/amd/vcn: fix an error msg on vcn 3.0


[AMD Official Use Only]

This patch is Reviewed-by: James Zhu <James.Zhu at amd.com>

________________________________
From: Tianci Yin <tianci.yin at amd.com>
Sent: Sunday, March 27, 2022 7:18 AM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Chen, Guchun <Guchun.Chen at amd.com>; Zhu, James <James.Zhu at amd.com>; Wang, Yu (Charlie) <Yu.Wang4 at amd.com>; Yin, Tianci (Rico) <Tianci.Yin at amd.com>
Subject: [PATCH] drm/amd/vcn: fix an error msg on vcn 3.0

From: tiancyin <tianci.yin at amd.com>

Some video card has more than one vcn instance, passing 0 to
vcn_v3_0_pause_dpg_mode is incorrect.

Error msg:
Register(1) [mmUVD_POWER_STATUS] failed to reach value
0x00000001 != 0x00000002

Signed-off-by: tiancyin <tianci.yin at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index e1cca0a10653..cb5f0a12333f 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -1488,7 +1488,7 @@ static int vcn_v3_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_v3_0_pause_dpg_mode(adev, 0, &state);
+       vcn_v3_0_pause_dpg_mode(adev, inst_idx, &state);

         /* Wait for power status to be 1 */
         SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
--
2.25.1

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