Hi Lowry, On Tuesday, 8 October 2019 10:17:52 BST Lowry Li (Arm Technology China) wrote: > Set color_depth according to connector->bpc. > > Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@xxxxxxx> > --- > .../arm/display/komeda/d71/d71_component.c | 1 + > .../gpu/drm/arm/display/komeda/komeda_crtc.c | 20 +++++++++++++++++++ > .../gpu/drm/arm/display/komeda/komeda_kms.h | 2 ++ > .../drm/arm/display/komeda/komeda_pipeline.h | 1 + > .../display/komeda/komeda_pipeline_state.c | 19 ++++++++++++++++++ > .../arm/display/komeda/komeda_wb_connector.c | 4 ++++ > 6 files changed, 47 insertions(+) > > diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c > index c3d29c0b051b..27cdb03573c1 100644 > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c > @@ -951,6 +951,7 @@ static void d71_improc_update(struct komeda_component *c, > to_d71_input_id(state, index)); > > malidp_write32(reg, BLK_SIZE, HV_SIZE(st->hsize, st->vsize)); > + malidp_write32(reg, IPS_DEPTH, st->color_depth); > } > > static void d71_improc_dump(struct komeda_component *c, struct seq_file *sf) > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c > index 75263d8cd0bd..baa986b70876 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c > @@ -17,6 +17,26 @@ > #include "komeda_dev.h" > #include "komeda_kms.h" > > +void komeda_crtc_get_color_config(struct drm_crtc_state *crtc_st, > + u32 *color_depths) > +{ > + struct drm_connector *conn; > + struct drm_connector_state *conn_st; > + int i, min_bpc = 31, conn_bpc = 0; > + > + for_each_new_connector_in_state(crtc_st->state, conn, conn_st, i) { > + if (conn_st->crtc != crtc_st->crtc) > + continue; > + > + conn_bpc = conn->display_info.bpc ? conn->display_info.bpc : 8; > + > + if (conn_bpc < min_bpc) > + min_bpc = conn_bpc; Something doesn't add up here. min_bpc is effectively set but not used. > + } > + > + *color_depths = GENMASK(conn_bpc, 0); > +} > + > static void komeda_crtc_update_clock_ratio(struct komeda_crtc_state *kcrtc_st) > { > u64 pxlclk, aclk; > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.h b/drivers/gpu/drm/arm/display/komeda/komeda_kms.h > index 45c498e15e7a..a42503451b5d 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.h > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.h > @@ -166,6 +166,8 @@ static inline bool has_flip_h(u32 rot) > return !!(rotation & DRM_MODE_REFLECT_X); > } > > +void komeda_crtc_get_color_config(struct drm_crtc_state *crtc_st, > + u32 *color_depths); > unsigned long komeda_crtc_get_aclk(struct komeda_crtc_state *kcrtc_st); > > int komeda_kms_setup_crtcs(struct komeda_kms_dev *kms, struct komeda_dev *mdev); > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h > index b322f52ba8f2..7653f134a8eb 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h > @@ -323,6 +323,7 @@ struct komeda_improc { > > struct komeda_improc_state { > struct komeda_component_state base; > + u8 color_depth; > u16 hsize, vsize; > }; > > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c > index 0ba9c6aa3708..e68e8f85ab27 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c > @@ -743,6 +743,7 @@ komeda_improc_validate(struct komeda_improc *improc, > struct komeda_data_flow_cfg *dflow) > { > struct drm_crtc *crtc = kcrtc_st->base.crtc; > + struct drm_crtc_state *crtc_st = &kcrtc_st->base; > struct komeda_component_state *c_st; > struct komeda_improc_state *st; > > @@ -756,6 +757,24 @@ komeda_improc_validate(struct komeda_improc *improc, > st->hsize = dflow->in_w; > st->vsize = dflow->in_h; > > + if (drm_atomic_crtc_needs_modeset(crtc_st)) { > + u32 output_depths; > + u32 avail_depths; > + > + komeda_crtc_get_color_config(crtc_st, > + &output_depths); > + > + avail_depths = output_depths & improc->supported_color_depths; > + if (avail_depths == 0) { > + DRM_DEBUG_ATOMIC("No available color depths, conn depths: 0x%x & display: 0x%x\n", > + output_depths, > + improc->supported_color_depths); > + return -EINVAL; > + } > + > + st->color_depth = __fls(avail_depths); > + } > + > komeda_component_add_input(&st->base, &dflow->input, 0); > komeda_component_set_output(&dflow->input, &improc->base, 0); > > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c > index 2851cac94d86..740a81250630 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c > @@ -142,6 +142,7 @@ static int komeda_wb_connector_add(struct komeda_kms_dev *kms, > struct komeda_dev *mdev = kms->base.dev_private; > struct komeda_wb_connector *kwb_conn; > struct drm_writeback_connector *wb_conn; > + struct drm_display_info *info; > u32 *formats, n_formats = 0; > int err; > > @@ -171,6 +172,9 @@ static int komeda_wb_connector_add(struct komeda_kms_dev *kms, > > drm_connector_helper_add(&wb_conn->base, &komeda_wb_conn_helper_funcs); > > + info = &kwb_conn->base.base.display_info; > + info->bpc = __fls(kcrtc->master->improc->supported_color_depths); > + > kcrtc->wb_conn = kwb_conn; > > return 0; > -- Mihail _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel