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| author | Stefan Agner <stefan.agner@toradex.com> | 2019-08-16 16:40:08 +0200 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2019-08-16 16:40:08 +0200 |
| commit | 3758b8bd81966b63dc93093a323e9bdd734545fd (patch) | |
| tree | 229bda2abe1a31d59da4b48e71aeefde934fe1d0 /drivers/gpu/drm/mediatek/mtk_dsi.c | |
| parent | d15d0b7a9f89cf5a905ad6802eb23100c8063939 (diff) | |
| parent | dd209b062b86dd951cf1da93f20aa497fe99d52d (diff) | |
Merge tag 'v4.19.59-rt24' into toradex_4.19.y-rttoradex_4.19.y-rt
Linux 4.19.59-rt24
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dsi.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 66df1b177959..0dd317ac5fe5 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -630,6 +630,15 @@ static void mtk_dsi_poweroff(struct mtk_dsi *dsi) if (--dsi->refcount != 0) return; + /* + * mtk_dsi_stop() and mtk_dsi_start() is asymmetric, since + * mtk_dsi_stop() should be called after mtk_drm_crtc_atomic_disable(), + * which needs irq for vblank, and mtk_dsi_stop() will disable irq. + * mtk_dsi_start() needs to be called in mtk_output_dsi_enable(), + * after dsi is fully set. + */ + mtk_dsi_stop(dsi); + if (!mtk_dsi_switch_to_cmd_mode(dsi, VM_DONE_INT_FLAG, 500)) { if (dsi->panel) { if (drm_panel_unprepare(dsi->panel)) { @@ -696,7 +705,6 @@ static void mtk_output_dsi_disable(struct mtk_dsi *dsi) } } - mtk_dsi_stop(dsi); mtk_dsi_poweroff(dsi); dsi->enabled = false; @@ -841,6 +849,8 @@ static void mtk_dsi_destroy_conn_enc(struct mtk_dsi *dsi) /* Skip connector cleanup if creation was delegated to the bridge */ if (dsi->conn.dev) drm_connector_cleanup(&dsi->conn); + if (dsi->panel) + drm_panel_detach(dsi->panel); } static void mtk_dsi_ddp_start(struct mtk_ddp_comp *comp) |