diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dsi.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_hdmi.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_plane.c | 3 |
4 files changed, 14 insertions, 5 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index d5e6bab36414..eb5537f0ac90 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -394,10 +394,12 @@ static bool mtk_drm_get_all_drm_priv(struct device *dev) continue; drm_dev = device_find_child(&pdev->dev, NULL, mtk_drm_match); + put_device(&pdev->dev); if (!drm_dev) continue; temp_drm_priv = dev_get_drvdata(drm_dev); + put_device(drm_dev); if (!temp_drm_priv) continue; diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index d7726091819c..0e2bcd5f67b7 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -1002,6 +1002,12 @@ static int mtk_dsi_host_attach(struct mipi_dsi_host *host, return PTR_ERR(dsi->next_bridge); } + /* + * set flag to request the DSI host bridge be pre-enabled before device bridge + * in the chain, so the DSI host is ready when the device bridge is pre-enabled + */ + dsi->next_bridge->pre_enable_prev_first = true; + drm_bridge_add(&dsi->bridge); ret = component_add(host->dev, &mtk_dsi_component_ops); diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index 845fd8aa43c3..b766dd5e6c8d 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -182,8 +182,8 @@ static inline struct mtk_hdmi *hdmi_ctx_from_bridge(struct drm_bridge *b) static void mtk_hdmi_hw_vid_black(struct mtk_hdmi *hdmi, bool black) { - regmap_update_bits(hdmi->regs, VIDEO_SOURCE_SEL, - VIDEO_CFG_4, black ? GEN_RGB : NORMAL_PATH); + regmap_update_bits(hdmi->regs, VIDEO_CFG_4, + VIDEO_SOURCE_SEL, black ? GEN_RGB : NORMAL_PATH); } static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable) @@ -310,8 +310,8 @@ static void mtk_hdmi_hw_send_info_frame(struct mtk_hdmi *hdmi, u8 *buffer, static void mtk_hdmi_hw_send_aud_packet(struct mtk_hdmi *hdmi, bool enable) { - regmap_update_bits(hdmi->regs, AUDIO_PACKET_OFF, - GRL_SHIFT_R2, enable ? 0 : AUDIO_PACKET_OFF); + regmap_update_bits(hdmi->regs, GRL_SHIFT_R2, + AUDIO_PACKET_OFF, enable ? 0 : AUDIO_PACKET_OFF); } static void mtk_hdmi_hw_config_sys(struct mtk_hdmi *hdmi) diff --git a/drivers/gpu/drm/mediatek/mtk_plane.c b/drivers/gpu/drm/mediatek/mtk_plane.c index cbc4f37da8ba..02349bd44001 100644 --- a/drivers/gpu/drm/mediatek/mtk_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_plane.c @@ -292,7 +292,8 @@ static void mtk_plane_atomic_disable(struct drm_plane *plane, wmb(); /* Make sure the above parameter is set before update */ mtk_plane_state->pending.dirty = true; - mtk_crtc_plane_disable(old_state->crtc, plane); + if (old_state && old_state->crtc) + mtk_crtc_plane_disable(old_state->crtc, plane); } static void mtk_plane_atomic_update(struct drm_plane *plane, |