diff options
| author | Frank Wunderlich <frank-w@public-files.de> | 2021-07-12 10:07:36 +0200 |
|---|---|---|
| committer | Chun-Kuang Hu <chunkuang.hu@kernel.org> | 2021-07-22 08:28:34 +0800 |
| commit | e062233c0ed0a76b6dd4ec785550419a323f9380 (patch) | |
| tree | f34965d25f21846e4d5394fd6975ae71ea459fdb /drivers/gpu/drm/mediatek/mtk_dpi.c | |
| parent | e73f0f0ee7541171d89f2e2491130c7771ba58d3 (diff) | |
drm/mediatek: dpi: Fix NULL dereference in mtk_dpi_bridge_atomic_check
bridge->driver_private is not set (NULL) so use bridge_to_dpi(bridge)
like it's done in bridge_atomic_get_output_bus_fmts
Fixes: ec8747c52434 ("drm/mediatek: dpi: Add bus format negotiation")
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Tested-by: Hsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_dpi.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dpi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index bced555648b0..a2eca1f66984 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -605,7 +605,7 @@ static int mtk_dpi_bridge_atomic_check(struct drm_bridge *bridge, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state) { - struct mtk_dpi *dpi = bridge->driver_private; + struct mtk_dpi *dpi = bridge_to_dpi(bridge); unsigned int out_bus_format; out_bus_format = bridge_state->output_bus_cfg.format; |