| Message ID | 20250116-sm8650-v6-13-hmd-deckard-mdss-quad-upstream-33-v4-3-74749c6eba33@linaro.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | drm/msm/dpu: Support quad pipe with dual-DSI | expand |
On Thu, Jan 16, 2025 at 03:25:52PM +0800, Jun Nie wrote: > Currently if DSC support is requested, the driver only supports using > 2 DSC blocks. We need 4 DSC in quad-pipe topology in future. So Only > configure DSC engines in use, instead of the maximum number of DSC > engines. > > Signed-off-by: Jun Nie <jun.nie@linaro.org> > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > index c734d2c5790d2..6603e9c03226f 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > @@ -2027,7 +2027,7 @@ static void dpu_encoder_dsc_pipe_cfg(struct dpu_hw_ctl *ctl, > static void dpu_encoder_prep_dsc(struct dpu_encoder_virt *dpu_enc, > struct drm_dsc_config *dsc) > { > - /* coding only for 2LM, 2enc, 1 dsc config */ > + int num_dsc = dpu_enc->num_dscs; Reverse Christmas tree, please. Or the variable importance criteria. Anyway, num_dsc should be lower. With that fixed: Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> > struct dpu_encoder_phys *enc_master = dpu_enc->cur_master; > struct dpu_hw_ctl *ctl = enc_master->hw_ctl; > struct dpu_hw_dsc *hw_dsc[MAX_CHANNELS_PER_ENC]; > @@ -2039,7 +2039,7 @@ static void dpu_encoder_prep_dsc(struct dpu_encoder_virt *dpu_enc, > u32 initial_lines; > int i; > > - for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) { > + for (i = 0; i < num_dsc; i++) { > hw_pp[i] = dpu_enc->hw_pp[i]; > hw_dsc[i] = dpu_enc->hw_dsc[i]; > > @@ -2068,7 +2068,7 @@ static void dpu_encoder_prep_dsc(struct dpu_encoder_virt *dpu_enc, > enc_ip_w = intf_ip_w / 2; > initial_lines = dpu_encoder_dsc_initial_line_calc(dsc, enc_ip_w); > > - for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) > + for (i = 0; i < num_dsc; i++) > dpu_encoder_dsc_pipe_cfg(ctl, hw_dsc[i], hw_pp[i], > dsc, dsc_common_mode, initial_lines); > } > > -- > 2.34.1 >
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index c734d2c5790d2..6603e9c03226f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -2027,7 +2027,7 @@ static void dpu_encoder_dsc_pipe_cfg(struct dpu_hw_ctl *ctl, static void dpu_encoder_prep_dsc(struct dpu_encoder_virt *dpu_enc, struct drm_dsc_config *dsc) { - /* coding only for 2LM, 2enc, 1 dsc config */ + int num_dsc = dpu_enc->num_dscs; struct dpu_encoder_phys *enc_master = dpu_enc->cur_master; struct dpu_hw_ctl *ctl = enc_master->hw_ctl; struct dpu_hw_dsc *hw_dsc[MAX_CHANNELS_PER_ENC]; @@ -2039,7 +2039,7 @@ static void dpu_encoder_prep_dsc(struct dpu_encoder_virt *dpu_enc, u32 initial_lines; int i; - for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) { + for (i = 0; i < num_dsc; i++) { hw_pp[i] = dpu_enc->hw_pp[i]; hw_dsc[i] = dpu_enc->hw_dsc[i]; @@ -2068,7 +2068,7 @@ static void dpu_encoder_prep_dsc(struct dpu_encoder_virt *dpu_enc, enc_ip_w = intf_ip_w / 2; initial_lines = dpu_encoder_dsc_initial_line_calc(dsc, enc_ip_w); - for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) + for (i = 0; i < num_dsc; i++) dpu_encoder_dsc_pipe_cfg(ctl, hw_dsc[i], hw_pp[i], dsc, dsc_common_mode, initial_lines); }
Currently if DSC support is requested, the driver only supports using 2 DSC blocks. We need 4 DSC in quad-pipe topology in future. So Only configure DSC engines in use, instead of the maximum number of DSC engines. Signed-off-by: Jun Nie <jun.nie@linaro.org> --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)