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authorAlex Deucher <alexander.deucher@amd.com>2019-06-25 08:42:25 -0500
committerAlex Deucher <alexander.deucher@amd.com>2019-06-25 08:42:25 -0500
commitd7929c1e13e3788e7cb741d75b5baec5e53eff21 (patch)
treecf513071edfc4499b4e025e4846244c9d0e4c6bd /drivers/gpu/drm/mediatek/mtk_dsi.c
parent8ac875db0fdc1cfa55c424b38a81cf5282f3df0b (diff)
parent80d42db02b3a5beb8cffba08207adf5f4c525ee3 (diff)
Merge branch 'drm-next' into drm-next-5.3
Backmerge drm-next and fix up conflicts due to drmP.h removal. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_dsi.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dsi.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index b00eb2d2e086..b91c4616644a 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2015 MediaTek Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <drm/drmP.h>
@@ -630,6 +622,15 @@ 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 +697,6 @@ static void mtk_output_dsi_disable(struct mtk_dsi *dsi)
}
}
- mtk_dsi_stop(dsi);
mtk_dsi_poweroff(dsi);
dsi->enabled = false;
@@ -844,6 +844,8 @@ 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)