[PATCH v2 4/5] drm/mediatek: dpi/dsi: change the getting possible_crtc way

From: Frank Wunderlich
Date: Tue Jul 28 2020 - 07:18:52 EST


From: Jitao Shi <jitao.shi@xxxxxxxxxxxx>

[Detail]
dpi/dsi get the possible_crtc by
mtk_drm_find_possible_crtc_by_comp(*drm_dev, ddp_comp)

Test: build pass and boot to logo

Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 3 ++-
drivers/gpu/drm/mediatek/mtk_dsi.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index d4f0fb7ad312..e43977015843 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -608,7 +608,8 @@ static int mtk_dpi_bind(struct device *dev, struct device *master, void *data)
drm_encoder_helper_add(&dpi->encoder, &mtk_dpi_encoder_helper_funcs);

/* Currently DPI0 is fixed to be driven by OVL1 */
- dpi->encoder.possible_crtcs = BIT(1);
+ dpi->encoder.possible_crtcs =
+ mtk_drm_find_possible_crtc_by_comp(drm_dev, dpi->ddp_comp);

ret = drm_bridge_attach(&dpi->encoder, dpi->bridge, NULL, 0);
if (ret) {
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 270bf22c98fe..c31d9c12d4a9 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -892,7 +892,8 @@ static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi)
* Currently display data paths are statically assigned to a crtc each.
* crtc 0 is OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0
*/
- dsi->encoder.possible_crtcs = 1;
+ dsi->encoder.possible_crtcs =
+ mtk_drm_find_possible_crtc_by_comp(drm, dsi->ddp_comp);

/* If there's a bridge, attach to it and let it create the connector */
if (dsi->bridge) {
--
2.25.1