Hi James, Lowry, On Friday, 11 October 2019 06:45:50 BST james qian wang (Arm Technology China) wrote: > From: "Lowry Li (Arm Technology China)" <Lowry.Li@xxxxxxx> > > Adds gamma and color-transform support for DOU-IPS. > Adds two caps members fgamma_coeffs and ctm_coeffs to komeda_improc_state. > If color management changed, set gamma and color-transform accordingly. > > Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@xxxxxxx> > --- > .../arm/display/komeda/d71/d71_component.c | 24 +++++++++++++++++++ > .../gpu/drm/arm/display/komeda/komeda_crtc.c | 2 ++ > .../drm/arm/display/komeda/komeda_pipeline.h | 3 +++ > .../display/komeda/komeda_pipeline_state.c | 6 +++++ > 4 files changed, 35 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..e7e5a8e4430e 100644 > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c > @@ -942,15 +942,39 @@ static int d71_merger_init(struct d71_dev *d71, > static void d71_improc_update(struct komeda_component *c, > struct komeda_component_state *state) > { > + struct drm_crtc_state *crtc_st = state->crtc->state; I'm not sure it's a good idea to introduce a dependency on drm state so far down in the HW funcs, is there a good reason for the direct prod? > struct komeda_improc_state *st = to_improc_st(state); > + struct d71_pipeline *pipe = to_d71_pipeline(c->pipeline); > u32 __iomem *reg = c->reg; > u32 index; > + u32 mask = 0, ctrl = 0; > > for_each_changed_input(state, index) > malidp_write32(reg, BLK_INPUT_ID0 + index * 4, > to_d71_input_id(state, index)); > > malidp_write32(reg, BLK_SIZE, HV_SIZE(st->hsize, st->vsize)); > + > + if (crtc_st->color_mgmt_changed) { > + mask |= IPS_CTRL_FT | IPS_CTRL_RGB; > + > + if (crtc_st->gamma_lut) { > + malidp_write_group(pipe->dou_ft_coeff_addr, FT_COEFF0, > + KOMEDA_N_GAMMA_COEFFS, > + st->fgamma_coeffs); > + ctrl |= IPS_CTRL_FT; /* enable gamma */ > + } > + > + if (crtc_st->ctm) { > + malidp_write_group(reg, IPS_RGB_RGB_COEFF0, > + KOMEDA_N_CTM_COEFFS, > + st->ctm_coeffs); > + ctrl |= IPS_CTRL_RGB; /* enable gamut */ > + } > + } > + > + if (mask) > + malidp_write32_mask(reg, BLK_CONTROL, mask, ctrl); > } > > 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 9beeda04818b..406b9d0ca058 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c > @@ -590,6 +590,8 @@ static int komeda_crtc_add(struct komeda_kms_dev *kms, > > crtc->port = kcrtc->master->of_output_port; > > + drm_crtc_enable_color_mgmt(crtc, 0, true, KOMEDA_COLOR_LUT_SIZE); > + > return err; > } > > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h > index b322f52ba8f2..c5ab8096c85d 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h > @@ -11,6 +11,7 @@ > #include <drm/drm_atomic.h> > #include <drm/drm_atomic_helper.h> > #include "malidp_utils.h" > +#include "komeda_color_mgmt.h" > > #define KOMEDA_MAX_PIPELINES 2 > #define KOMEDA_PIPELINE_MAX_LAYERS 4 > @@ -324,6 +325,8 @@ struct komeda_improc { > struct komeda_improc_state { > struct komeda_component_state base; > u16 hsize, vsize; > + u32 fgamma_coeffs[KOMEDA_N_GAMMA_COEFFS]; > + u32 ctm_coeffs[KOMEDA_N_CTM_COEFFS]; > }; > > /* display timing controller */ > 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..4a40b37eb1a6 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c > @@ -756,6 +756,12 @@ komeda_improc_validate(struct komeda_improc *improc, > st->hsize = dflow->in_w; > st->vsize = dflow->in_h; > > + if (kcrtc_st->base.color_mgmt_changed) { > + drm_lut_to_fgamma_coeffs(kcrtc_st->base.gamma_lut, > + st->fgamma_coeffs); > + drm_ctm_to_coeffs(kcrtc_st->base.ctm, st->ctm_coeffs); > + } > + > komeda_component_add_input(&st->base, &dflow->input, 0); > komeda_component_set_output(&dflow->input, &improc->base, 0); > > -- Mihail _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel