[PATCH v4 5/6] drm/mediatek: dpi/dsi: change the getting possible_crtc way
From: Frank Wunderlich <hidden>
Date: 2020-08-04 16:56:55
Also in:
dri-devel, linux-mediatek, lkml
Subsystem:
drm drivers, drm drivers for mediatek, the rest · Maintainers:
David Airlie, Simona Vetter, Chun-Kuang Hu, Philipp Zabel, Linus Torvalds
From: Jitao Shi <redacted> For current mediatek dsi encoder, its possible crtc is fixed in crtc 0, and mediatek dpi encoder's possible crtc is fixed in crtc 1. In some SoC the possible crtc is not fixed in this case, so call mtk_drm_find_possible_crtc_by_comp() to find out the correct possible crtc. Signed-off-by: Jitao Shi <redacted> Signed-off-by: Frank Wunderlich <redacted> Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org> --- 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
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