| Message ID | 20240829-concurrent-wb-v1-21-502b16ae2ebb@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | drm/msm/dpu: Add Concurrent Writeback Support for DPU 10.x+ | expand |
On Thu, Aug 29, 2024 at 01:48:42PM GMT, Jessica Zhang wrote: > Set writeback encoders as possible clones for non-writeback encoders and > vice versa. > > Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 27 +++++++++++++++++++++++++++ > drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 7 +++++++ > drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 7 +++++-- > 3 files changed, 39 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > index 47b5a5994234..aad659e6d35b 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > @@ -2352,6 +2352,33 @@ static int dpu_encoder_virt_add_phys_encs( > return 0; > } > Docs should go here. > +uint32_t dpu_encoder_get_clones(struct drm_encoder *drm_enc) > +{ > + struct drm_encoder *curr; > + int type = drm_enc->encoder_type; > + uint32_t clone_mask = drm_encoder_mask(drm_enc); > + > + /* > + * Set writeback as possible clones of real-time encoders and real-time > + * encoders as clones of writeback. > + * > + * Writeback encoders can't be clones of each other and real-time > + * encoders can't be clones of each other. > + */ > + drm_for_each_encoder(curr, drm_enc->dev) { > + if (type == DRM_MODE_ENCODER_VIRTUAL && > + curr->encoder_type == DRM_MODE_ENCODER_VIRTUAL) > + continue; > + if (type != DRM_MODE_ENCODER_VIRTUAL && > + curr->encoder_type != DRM_MODE_ENCODER_VIRTUAL) Align to opening brackets. > + continue; > + > + clone_mask |= drm_encoder_mask(curr); > + } > + > + return clone_mask; > +} > + > static int dpu_encoder_setup_display(struct dpu_encoder_virt *dpu_enc, > struct dpu_kms *dpu_kms, > struct msm_display_info *disp_info) > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h > index 7ab5f9380bf5..70eda127488a 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h > @@ -98,6 +98,13 @@ enum dpu_intf_mode dpu_encoder_get_intf_mode(struct drm_encoder *encoder); > */ > void dpu_encoder_virt_runtime_resume(struct drm_encoder *encoder); > > +/** > + * dpu_encoder_get_clones - set possible_clones for DPU encoder > + * @drm_enc: DRM encoder pointer > + * Returns: possible_clones mask > + */ > +uint32_t dpu_encoder_get_clones(struct drm_encoder *drm_enc); > + > /** > * dpu_encoder_init - initialize virtual encoder object > * @dev: Pointer to drm device structure > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > index 87526d3c224a..1a82aa61d217 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > @@ -2,7 +2,7 @@ > /* > * Copyright (C) 2013 Red Hat > * Copyright (c) 2014-2018, The Linux Foundation. All rights reserved. > - * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. > + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. > * > * Author: Rob Clark <robdclark@gmail.com> > */ > @@ -793,8 +793,11 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms) > return ret; > > num_encoders = 0; > - drm_for_each_encoder(encoder, dev) > + drm_for_each_encoder(encoder, dev) { > num_encoders++; > + if (catalog->cwb_count > 0) > + encoder->possible_clones = dpu_encoder_get_clones(encoder); > + } > > max_crtc_count = min(catalog->mixer_count, num_encoders); > > > -- > 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 47b5a5994234..aad659e6d35b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -2352,6 +2352,33 @@ static int dpu_encoder_virt_add_phys_encs( return 0; } +uint32_t dpu_encoder_get_clones(struct drm_encoder *drm_enc) +{ + struct drm_encoder *curr; + int type = drm_enc->encoder_type; + uint32_t clone_mask = drm_encoder_mask(drm_enc); + + /* + * Set writeback as possible clones of real-time encoders and real-time + * encoders as clones of writeback. + * + * Writeback encoders can't be clones of each other and real-time + * encoders can't be clones of each other. + */ + drm_for_each_encoder(curr, drm_enc->dev) { + if (type == DRM_MODE_ENCODER_VIRTUAL && + curr->encoder_type == DRM_MODE_ENCODER_VIRTUAL) + continue; + if (type != DRM_MODE_ENCODER_VIRTUAL && + curr->encoder_type != DRM_MODE_ENCODER_VIRTUAL) + continue; + + clone_mask |= drm_encoder_mask(curr); + } + + return clone_mask; +} + static int dpu_encoder_setup_display(struct dpu_encoder_virt *dpu_enc, struct dpu_kms *dpu_kms, struct msm_display_info *disp_info) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h index 7ab5f9380bf5..70eda127488a 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h @@ -98,6 +98,13 @@ enum dpu_intf_mode dpu_encoder_get_intf_mode(struct drm_encoder *encoder); */ void dpu_encoder_virt_runtime_resume(struct drm_encoder *encoder); +/** + * dpu_encoder_get_clones - set possible_clones for DPU encoder + * @drm_enc: DRM encoder pointer + * Returns: possible_clones mask + */ +uint32_t dpu_encoder_get_clones(struct drm_encoder *drm_enc); + /** * dpu_encoder_init - initialize virtual encoder object * @dev: Pointer to drm device structure diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 87526d3c224a..1a82aa61d217 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -2,7 +2,7 @@ /* * Copyright (C) 2013 Red Hat * Copyright (c) 2014-2018, The Linux Foundation. All rights reserved. - * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. * * Author: Rob Clark <robdclark@gmail.com> */ @@ -793,8 +793,11 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms) return ret; num_encoders = 0; - drm_for_each_encoder(encoder, dev) + drm_for_each_encoder(encoder, dev) { num_encoders++; + if (catalog->cwb_count > 0) + encoder->possible_clones = dpu_encoder_get_clones(encoder); + } max_crtc_count = min(catalog->mixer_count, num_encoders);
Set writeback encoders as possible clones for non-writeback encoders and vice versa. Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 27 +++++++++++++++++++++++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 7 +++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 7 +++++-- 3 files changed, 39 insertions(+), 2 deletions(-)