[PATCH v2 11/16] drm/msm/dpu: add support to disable CDM block during encoder cleanup

Abhinav Kumar
2023-12-08T05:08:22Z

In preparation of setting up CDM block, add the logic to disable it
properly during encoder cleanup.

changes in v2:
- call update_pending_flush_cdm even when bind_pingpong_blk
is not present

Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 10 ++++++++++
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h | 2 ++
2 files changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index aa1a1646b322..862912727925 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -26,6 +26,7 @@
#include "dpu_hw_dspp.h"
#include "dpu_hw_dsc.h"
#include "dpu_hw_merge3d.h"
+#include "dpu_hw_cdm.h"
#include "dpu_formats.h"
#include "dpu_encoder_phys.h"
#include "dpu_crtc.h"
@@ -2050,6 +2051,15 @@ void dpu_encoder_helper_phys_cleanup(struct dpu_encoder_phys *phys_enc)
phys_enc->hw_pp->merge_3d->idx);
}

+ if (phys_enc->hw_cdm) {
+ if (phys_enc->hw_cdm->ops.bind_pingpong_blk && phys_enc->hw_pp)
+ phys_enc->hw_cdm->ops.bind_pingpong_blk(phys_enc->hw_cdm,
+ false, phys_enc->hw_pp->idx);
+ if (phys_enc->hw_ctl->ops.update_pending_flush_cdm)
+ phys_enc->hw_ctl->ops.update_pending_flush_cdm(phys_enc->hw_ctl,
+ phys_enc->hw_cdm->idx);
+ }
+
if (dpu_enc->dsc) {
dpu_encoder_unprep_dsc(dpu_enc);
dpu_enc->dsc = NULL;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
index b6b48e2c63ef..410f6225789c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
@@ -151,6 +151,7 @@ enum dpu_intr_idx {
* @hw_pp: Hardware interface to the ping pong registers
* @hw_intf: Hardware interface to the intf registers
* @hw_wb: Hardware interface to the wb registers
+ * @hw_cdm: Hardware interface to the CDM registers
* @dpu_kms: Pointer to the dpu_kms top level
* @cached_mode: DRM mode cached at mode_set time, acted on in enable
* @enabled: Whether the encoder has enabled and running a mode
@@ -179,6 +180,7 @@ struct dpu_encoder_phys {
struct dpu_hw_pingpong *hw_pp;
struct dpu_hw_intf *hw_intf;
struct dpu_hw_wb *hw_wb;
+ struct dpu_hw_cdm *hw_cdm;
struct dpu_kms *dpu_kms;
struct drm_display_mode cached_mode;
enum dpu_enc_split_role split_role;
--
2.40.1