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drm/amdgpu/gfx10: Disable gfxoff before disabling powergating.

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commit 8173cab3368a13cdc3cad0bd5cf14e9399b0f501 upstream.

Otherwise we get a full system lock (looks like a FW mess).

Copied the order from the GFX9 powergating code.

Fixes: 366468ff6c ("drm/amdgpu: Allow GfxOff on Vangogh as default")
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2545
Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Tested-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bas Nieuwenhuizen 2023-05-09 18:49:46 +02:00 committed by Greg Kroah-Hartman
parent 9de5a98588
commit abfe2ffc00
1 changed files with 7 additions and 1 deletions
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8
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
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@ -8236,8 +8236,14 @@ static int gfx_v10_0_set_powergating_state(void *handle,
case IP_VERSION(10, 3, 3):
case IP_VERSION(10, 3, 6):
case IP_VERSION(10, 3, 7):
if (!enable)
amdgpu_gfx_off_ctrl(adev, false);
gfx_v10_cntl_pg(adev, enable);
amdgpu_gfx_off_ctrl(adev, enable);
if (enable)
amdgpu_gfx_off_ctrl(adev, true);
break;
default:
break;