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drm/amd/display: Force full update in gpu reset

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commit 67fe574651c73fe5cc176e35f28f2ec1ba498d14 upstream.

[Why]
While system undergoing gpu reset always do full update
to sync the dc state before and after reset.

[How]
Return true in should_reset_plane() if gpu reset detected

Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 2ba8619b9a378ad218ad6c2e2ccaee8f531e08de)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Roman Li
2025-03-26 10:33:51 -04:00
committed by Greg Kroah-Hartman
parent 253827297c
commit 3d36fae383
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -9590,6 +9590,9 @@ static bool should_reset_plane(struct drm_atomic_state *state,
if (adev->ip_versions[DCE_HWIP][0] < IP_VERSION(3, 2, 0) && state->allow_modeset)
return true;
if (amdgpu_in_reset(adev) && state->allow_modeset)
return true;
/* Exit early if we know that we're adding or removing the plane. */
if (old_plane_state->crtc != new_plane_state->crtc)
return true;