Commit 41129e23 authored by André Almeida's avatar André Almeida Committed by Dmitry Baryshkov
Browse files

drm/amdgpu: Enable async flip on overlay planes 



amdgpu can handle async flips on overlay planes, so allow it for atomic
async checks.

Signed-off-by: default avatarAndré Almeida <andrealmeid@igalia.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250127-tonyk-async_flip-v12-2-0f7f8a8610d3@igalia.com


[DB: fixed checkpatch warning by adding braces]
Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent fd40a63c

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

+7 −4
Original line number Diff line number Diff line
@@ -1258,21 +1258,24 @@ static int amdgpu_dm_plane_atomic_check(struct drm_plane *plane, 
}



static int amdgpu_dm_plane_atomic_async_check(struct drm_plane *plane,

					      struct drm_atomic_state *state)

					      struct drm_atomic_state *state, bool flip)

{

	struct drm_crtc_state *new_crtc_state;

	struct drm_plane_state *new_plane_state;

	struct dm_crtc_state *dm_new_crtc_state;



	/* Only support async updates on cursor planes. */

	if (plane->type != DRM_PLANE_TYPE_CURSOR)

	if (flip) {

		if (plane->type != DRM_PLANE_TYPE_OVERLAY)

			return -EINVAL;

	} else if (plane->type != DRM_PLANE_TYPE_CURSOR) {

		return -EINVAL;

	}



	new_plane_state = drm_atomic_get_new_plane_state(state, plane);

	new_crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_state->crtc);

	dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);

	/* Reject overlay cursors for now*/

	if (dm_new_crtc_state->cursor_mode == DM_CURSOR_OVERLAY_MODE)

	if (!flip && dm_new_crtc_state->cursor_mode == DM_CURSOR_OVERLAY_MODE)

		return -EINVAL;



	return 0;