Messages in this thread | | | Date | Tue, 21 Jul 2020 18:27:49 +0530 | From | kalyan_t@codeauro ... | Subject | Re: [Freedreno] [PATCH] drm/msm/dpu: fix/enable 6bpc dither with split-lm |
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On 2020-07-20 20:53, Rob Clark wrote: > On Mon, Jul 20, 2020 at 5:53 AM <kalyan_t@codeaurora.org> wrote: >> >> On 2020-07-16 03:49, Rob Clark wrote: >> > From: Rob Clark <robdclark@chromium.org> >> > >> > If split-lm is used (for ex, on sdm845), we can have multiple ping- >> > pongs, but only a single phys encoder. We need to configure dithering >> > on each of them. >> > >> > Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Kalyan Thota <kalyan_t@codeaurora.org> >> > --- >> > drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 22 ++++++++++--------- >> > .../gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c | 3 +-- >> > 2 files changed, 13 insertions(+), 12 deletions(-) >> > >> > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c >> > b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c >> > index 46df0ff75b85..9b98b63c77fb 100644 >> > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c >> > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c >> > @@ -212,14 +212,14 @@ static u32 dither_matrix[DITHER_MATRIX_SZ] = { >> > 15, 7, 13, 5, 3, 11, 1, 9, 12, 4, 14, 6, 0, 8, 2, 10 >> > }; >> > >> > -static void _dpu_encoder_setup_dither(struct dpu_encoder_phys *phys) >> > +static void _dpu_encoder_setup_dither(struct dpu_hw_pingpong *hw_pp, >> > unsigned bpc) >> > { >> > struct dpu_hw_dither_cfg dither_cfg = { 0 }; >> > >> > - if (!phys->hw_pp || !phys->hw_pp->ops.setup_dither) >> > + if (!hw_pp->ops.setup_dither) >> > return; >> > >> > - switch (phys->connector->display_info.bpc) { >> > + switch (bpc) { >> > case 6: >> > dither_cfg.c0_bitdepth = 6; >> > dither_cfg.c1_bitdepth = 6; >> > @@ -228,14 +228,14 @@ static void _dpu_encoder_setup_dither(struct >> > dpu_encoder_phys *phys) >> > dither_cfg.temporal_en = 0; >> > break; >> > default: >> > - phys->hw_pp->ops.setup_dither(phys->hw_pp, NULL); >> > + hw_pp->ops.setup_dither(hw_pp, NULL); >> > return; >> > } >> > >> > memcpy(&dither_cfg.matrix, dither_matrix, >> > sizeof(u32) * DITHER_MATRIX_SZ); >> > >> > - phys->hw_pp->ops.setup_dither(phys->hw_pp, &dither_cfg); >> > + hw_pp->ops.setup_dither(hw_pp, &dither_cfg); >> > } >> > >> > void dpu_encoder_helper_report_irq_timeout(struct dpu_encoder_phys >> > *phys_enc, >> > @@ -1132,11 +1132,13 @@ static void >> > _dpu_encoder_virt_enable_helper(struct drm_encoder *drm_enc) >> > >> > _dpu_encoder_update_vsync_source(dpu_enc, &dpu_enc->disp_info); >> > >> > - if (dpu_enc->disp_info.intf_type == DRM_MODE_ENCODER_DSI) { >> > - for (i = 0; i < dpu_enc->num_phys_encs; i++) { >> > - struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; >> > - >> > - _dpu_encoder_setup_dither(phys); >> > + if (dpu_enc->disp_info.intf_type == DRM_MODE_ENCODER_DSI && >> > + !WARN_ON(dpu_enc->num_phys_encs == 0)) { >> > + unsigned bpc = dpu_enc->phys_encs[0]->connector->display_info.bpc; >> > + for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) { >> > + if (!dpu_enc->hw_pp[i]) >> > + continue; >> > + _dpu_encoder_setup_dither(dpu_enc->hw_pp[i], bpc); >> > } >> > } >> > } >> > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c >> > b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c >> > index 7411ab6bf6af..bea4ab5c58c5 100644 >> > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c >> > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c >> > @@ -231,8 +231,7 @@ static void _setup_pingpong_ops(struct >> > dpu_hw_pingpong *c, >> > c->ops.poll_timeout_wr_ptr = dpu_hw_pp_poll_timeout_wr_ptr; >> > c->ops.get_line_count = dpu_hw_pp_get_line_count; >> > >> > - if (test_bit(DPU_PINGPONG_DITHER, &features) && >> > - IS_SC7180_TARGET(c->hw.hwversion)) >> > + if (test_bit(DPU_PINGPONG_DITHER, &features)) >> > c->ops.setup_dither = dpu_hw_pp_setup_dither; >> > }; >> >> Change looks good to me > > Does that count as a Reviewed-by? > Sure i have added the tag.
> BR, > -R > >> >> - Kalyan > _______________________________________________ > Freedreno mailing list > Freedreno@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/freedreno
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