Re: [PATCH v3 18/27] drm/msm/dpu: populate SmartDMA features in hw catalog

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On 2/3/2023 10:21 AM, Dmitry Baryshkov wrote:
Downstream driver uses dpu->caps->smart_dma_rev to update
sspp->cap->features with the bit corresponding to the supported SmartDMA
version. Upstream driver does not do this, resulting in SSPP subdriver
not enbaling setup_multirect callback. Add corresponding SmartDMA SSPP
feature bits to dpu hw catalog.


While reviewing this patch, I had a first hand experience of how we are reusing SSPP bitmasks for so many chipsets but I think overall you got them right here :)

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 10 +++++++---
  1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
index cf053e8f081e..fc818b0273e7 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -21,13 +21,16 @@
  	(VIG_MASK | BIT(DPU_SSPP_SCALER_QSEED3))
#define VIG_SDM845_MASK \
-	(VIG_MASK | BIT(DPU_SSPP_QOS_8LVL) | BIT(DPU_SSPP_SCALER_QSEED3))
+	(VIG_MASK | BIT(DPU_SSPP_QOS_8LVL) | BIT(DPU_SSPP_SCALER_QSEED3) |\
+	BIT(DPU_SSPP_SMART_DMA_V2))
#define VIG_SC7180_MASK \
-	(VIG_MASK | BIT(DPU_SSPP_QOS_8LVL) | BIT(DPU_SSPP_SCALER_QSEED4))
+	(VIG_MASK | BIT(DPU_SSPP_QOS_8LVL) | BIT(DPU_SSPP_SCALER_QSEED4) |\
+	BIT(DPU_SSPP_SMART_DMA_V2))
#define VIG_SM8250_MASK \
-	(VIG_MASK | BIT(DPU_SSPP_QOS_8LVL) | BIT(DPU_SSPP_SCALER_QSEED3LITE))
+	(VIG_MASK | BIT(DPU_SSPP_QOS_8LVL) | BIT(DPU_SSPP_SCALER_QSEED3LITE) |\
+	BIT(DPU_SSPP_SMART_DMA_V2))
#define VIG_QCM2290_MASK (VIG_MASK | BIT(DPU_SSPP_QOS_8LVL)) @@ -42,6 +45,7 @@
  #define DMA_SDM845_MASK \
  	(BIT(DPU_SSPP_SRC) | BIT(DPU_SSPP_QOS) | BIT(DPU_SSPP_QOS_8LVL) |\
  	BIT(DPU_SSPP_TS_PREFILL) | BIT(DPU_SSPP_TS_PREFILL_REC1) |\
+	BIT(DPU_SSPP_SMART_DMA_V2) |\
  	BIT(DPU_SSPP_CDP) | BIT(DPU_SSPP_EXCL_RECT))
#define DMA_CURSOR_SDM845_MASK \

VIG_SDM845_MASK and DMA_SDM845_MASK are used for many other chipsets like 8250, 8450, 8550.

At the moment, for visual validation of this series, I only have sc7180/sc7280. We are leaving the rest for CI.

Was that an intentional approach?

If so, we will need tested-by tags from folks having 8350/8450/8550/sc8280x,qcm2290?

I am only owning the visual validation on sc7280 atm.



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