On 12/18/2024 11:49 PM, Jun Nie wrote:
There are 2 interfaces and 4 pingpong in quad pipe. Map the 2nd
interface to 3rd PP instead of the 2nd PP.
Signed-off-by: Jun Nie <jun.nie@xxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Reviewed-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 15 +++++++++++++--
1 file changed, 13 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 fd32ef468d5f9..96d06db3e4be5 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1220,7 +1220,8 @@ static void dpu_encoder_virt_atomic_mode_set(struct drm_encoder *drm_enc,
struct dpu_hw_blk *hw_pp[MAX_CHANNELS_PER_ENC];
struct dpu_hw_blk *hw_ctl[MAX_CHANNELS_PER_ENC];
struct dpu_hw_blk *hw_dsc[MAX_CHANNELS_PER_ENC];
- int num_ctl, num_pp, num_dsc;
+ struct dpu_hw_blk *hw_lm[MAX_CHANNELS_PER_ENC];
+ int num_lm, num_ctl, num_pp, num_dsc, num_pp_per_intf;
unsigned int dsc_mask = 0;
int i;
@@ -1275,11 +1276,21 @@ static void dpu_encoder_virt_atomic_mode_set(struct drm_encoder *drm_enc,
dpu_enc->cur_master->hw_cdm = hw_cdm ? to_dpu_hw_cdm(hw_cdm) : NULL;
}
+ num_lm = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
+ drm_enc->crtc, DPU_HW_BLK_LM, hw_lm, ARRAY_SIZE(hw_lm));
+
+
+ /*
+ * There may be 4 PP and 2 INTF for quad pipe case, so INTF is not
+ * mapped to PP 1:1. Let's calculate the stride with pipe/INTF
+ */
+ num_pp_per_intf = num_lm / dpu_enc->num_phys_encs;
+
for (i = 0; i < dpu_enc->num_phys_encs; i++) {
struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i];
struct dpu_hw_ctl *ctl0 = to_dpu_hw_ctl(hw_ctl[0]);
- phys->hw_pp = dpu_enc->hw_pp[i];
+ phys->hw_pp = dpu_enc->hw_pp[num_pp_per_intf * i];
if (!phys->hw_pp) {
DPU_ERROR_ENC(dpu_enc,
"no pp block assigned at idx: %d\n", i);
--
2.34.1
