Commit 67fe5746 authored Mar 26, 2025 by Roman Li Committed by Alex Deucher Apr 22, 2025

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



[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 2ba8619b)
Cc: stable@vger.kernel.org

parent 7eb287be

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -11043,6 +11043,9 @@ static bool should_reset_plane(struct drm_atomic_state *state,
		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;