| Message ID | 20221213232207.113607-2-marijn.suijten@somainline.org (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | drm/msm: DSC Electric Boogaloo for sm8[12]50 | expand |
On 14/12/2022 01:22, Marijn Suijten wrote: > All V1 CTL blocks (active CTLs) explicitly bind the pixel output from a > DSC block to a PINGPONG block by setting the PINGPONG idx in a DSC > hardware register. > > Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org> > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 3 +++ > .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 9 +++++++ > drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c | 27 +++++++++++++++++++ > drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h | 4 +++ > 4 files changed, 43 insertions(+) Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
On 12/13/2022 3:22 PM, Marijn Suijten wrote: > All V1 CTL blocks (active CTLs) explicitly bind the pixel output from a > DSC block to a PINGPONG block by setting the PINGPONG idx in a DSC > hardware register. > > Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 3 +++ > .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 9 +++++++ > drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c | 27 +++++++++++++++++++ > drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h | 4 +++ > 4 files changed, 43 insertions(+) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > index 9c6817b5a194..c17ac85eb447 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > @@ -1830,6 +1830,9 @@ static void dpu_encoder_dsc_pipe_cfg(struct dpu_hw_dsc *hw_dsc, > if (hw_pp->ops.setup_dsc) > hw_pp->ops.setup_dsc(hw_pp); > > + if (hw_dsc->ops.dsc_bind_pingpong_blk) > + hw_dsc->ops.dsc_bind_pingpong_blk(hw_dsc, true, hw_pp->idx); > + > if (hw_pp->ops.enable_dsc) > hw_pp->ops.enable_dsc(hw_pp); > } > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h > index c160dae95a69..96f849907aa2 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h > @@ -268,6 +268,15 @@ enum { > DPU_VBIF_MAX > }; > > +/** > + * DSC features > + * @DPU_DSC_OUTPUT_CTRL Configure which PINGPONG block gets > + * the pixel output from this DSC. > + */ > +enum { > + DPU_DSC_OUTPUT_CTRL = 0x1, > +}; > + > /** > * MACRO DPU_HW_BLK_INFO - information of HW blocks inside DPU > * @name: string name for debug purposes > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c > index 3662df698dae..619926da1441 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c > @@ -29,6 +29,8 @@ > #define DSC_RANGE_MAX_QP 0x0B0 > #define DSC_RANGE_BPG_OFFSET 0x0EC > > +#define DSC_CTL(m) (0x1800 - 0x3FC * (m - DSC_0)) > + > static void dpu_hw_dsc_disable(struct dpu_hw_dsc *dsc) > { > struct dpu_hw_blk_reg_map *c = &dsc->hw; > @@ -150,6 +152,29 @@ static void dpu_hw_dsc_config_thresh(struct dpu_hw_dsc *hw_dsc, > } > } > > +static void dpu_hw_dsc_bind_pingpong_blk( > + struct dpu_hw_dsc *hw_dsc, > + bool enable, > + const enum dpu_pingpong pp) > +{ > + struct dpu_hw_blk_reg_map *c = &hw_dsc->hw; > + int mux_cfg = 0xF; > + u32 dsc_ctl_offset; > + > + dsc_ctl_offset = DSC_CTL(hw_dsc->idx); > + > + if (enable) > + mux_cfg = (pp - PINGPONG_0) & 0x7; > + > + DRM_DEBUG_KMS("%s dsc:%d %s pp:%d\n", > + enable ? "Binding" : "Unbinding", > + hw_dsc->idx - DSC_0, > + enable ? "to" : "from", > + pp - PINGPONG_0); > + > + DPU_REG_WRITE(c, dsc_ctl_offset, mux_cfg); > +} > + > static struct dpu_dsc_cfg *_dsc_offset(enum dpu_dsc dsc, > const struct dpu_mdss_cfg *m, > void __iomem *addr, > @@ -174,6 +199,8 @@ static void _setup_dsc_ops(struct dpu_hw_dsc_ops *ops, > ops->dsc_disable = dpu_hw_dsc_disable; > ops->dsc_config = dpu_hw_dsc_config; > ops->dsc_config_thresh = dpu_hw_dsc_config_thresh; > + if (cap & BIT(DPU_DSC_OUTPUT_CTRL)) > + ops->dsc_bind_pingpong_blk = dpu_hw_dsc_bind_pingpong_blk; > }; > > struct dpu_hw_dsc *dpu_hw_dsc_init(enum dpu_dsc idx, void __iomem *addr, > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h > index c0b77fe1a696..ae9b5db53d7f 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h > @@ -42,6 +42,10 @@ struct dpu_hw_dsc_ops { > */ > void (*dsc_config_thresh)(struct dpu_hw_dsc *hw_dsc, > struct drm_dsc_config *dsc); > + > + void (*dsc_bind_pingpong_blk)(struct dpu_hw_dsc *hw_dsc, > + bool enable, > + enum dpu_pingpong pp); > }; > > struct dpu_hw_dsc {
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 9c6817b5a194..c17ac85eb447 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -1830,6 +1830,9 @@ static void dpu_encoder_dsc_pipe_cfg(struct dpu_hw_dsc *hw_dsc, if (hw_pp->ops.setup_dsc) hw_pp->ops.setup_dsc(hw_pp); + if (hw_dsc->ops.dsc_bind_pingpong_blk) + hw_dsc->ops.dsc_bind_pingpong_blk(hw_dsc, true, hw_pp->idx); + if (hw_pp->ops.enable_dsc) hw_pp->ops.enable_dsc(hw_pp); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h index c160dae95a69..96f849907aa2 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h @@ -268,6 +268,15 @@ enum { DPU_VBIF_MAX }; +/** + * DSC features + * @DPU_DSC_OUTPUT_CTRL Configure which PINGPONG block gets + * the pixel output from this DSC. + */ +enum { + DPU_DSC_OUTPUT_CTRL = 0x1, +}; + /** * MACRO DPU_HW_BLK_INFO - information of HW blocks inside DPU * @name: string name for debug purposes diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c index 3662df698dae..619926da1441 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c @@ -29,6 +29,8 @@ #define DSC_RANGE_MAX_QP 0x0B0 #define DSC_RANGE_BPG_OFFSET 0x0EC +#define DSC_CTL(m) (0x1800 - 0x3FC * (m - DSC_0)) + static void dpu_hw_dsc_disable(struct dpu_hw_dsc *dsc) { struct dpu_hw_blk_reg_map *c = &dsc->hw; @@ -150,6 +152,29 @@ static void dpu_hw_dsc_config_thresh(struct dpu_hw_dsc *hw_dsc, } } +static void dpu_hw_dsc_bind_pingpong_blk( + struct dpu_hw_dsc *hw_dsc, + bool enable, + const enum dpu_pingpong pp) +{ + struct dpu_hw_blk_reg_map *c = &hw_dsc->hw; + int mux_cfg = 0xF; + u32 dsc_ctl_offset; + + dsc_ctl_offset = DSC_CTL(hw_dsc->idx); + + if (enable) + mux_cfg = (pp - PINGPONG_0) & 0x7; + + DRM_DEBUG_KMS("%s dsc:%d %s pp:%d\n", + enable ? "Binding" : "Unbinding", + hw_dsc->idx - DSC_0, + enable ? "to" : "from", + pp - PINGPONG_0); + + DPU_REG_WRITE(c, dsc_ctl_offset, mux_cfg); +} + static struct dpu_dsc_cfg *_dsc_offset(enum dpu_dsc dsc, const struct dpu_mdss_cfg *m, void __iomem *addr, @@ -174,6 +199,8 @@ static void _setup_dsc_ops(struct dpu_hw_dsc_ops *ops, ops->dsc_disable = dpu_hw_dsc_disable; ops->dsc_config = dpu_hw_dsc_config; ops->dsc_config_thresh = dpu_hw_dsc_config_thresh; + if (cap & BIT(DPU_DSC_OUTPUT_CTRL)) + ops->dsc_bind_pingpong_blk = dpu_hw_dsc_bind_pingpong_blk; }; struct dpu_hw_dsc *dpu_hw_dsc_init(enum dpu_dsc idx, void __iomem *addr, diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h index c0b77fe1a696..ae9b5db53d7f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h @@ -42,6 +42,10 @@ struct dpu_hw_dsc_ops { */ void (*dsc_config_thresh)(struct dpu_hw_dsc *hw_dsc, struct drm_dsc_config *dsc); + + void (*dsc_bind_pingpong_blk)(struct dpu_hw_dsc *hw_dsc, + bool enable, + enum dpu_pingpong pp); }; struct dpu_hw_dsc {
All V1 CTL blocks (active CTLs) explicitly bind the pixel output from a DSC block to a PINGPONG block by setting the PINGPONG idx in a DSC hardware register. Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org> --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 3 +++ .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 9 +++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c | 27 +++++++++++++++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h | 4 +++ 4 files changed, 43 insertions(+)