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drm/msm/dpu: add CWB support to dpu_hw_wb

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Adjust the WB_MUX configuration to account for using dedicated CWB
pingpong blocks.

Signed-off-by: Esha Bharadwaj <quic_ebharadw@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/629248/
Link: https://lore.kernel.org/r/20241216-concurrent-wb-v4-13-fe220297a7f0@quicinc.com
This commit is contained in:
Esha Bharadwaj 2024-12-16 16:43:24 -08:00 committed by Dmitry Baryshkov
parent aae8736426
commit a31a610fd4
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
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@ -173,7 +173,9 @@ static void dpu_hw_wb_bind_pingpong_blk(
mux_cfg = DPU_REG_READ(c, WB_MUX);
mux_cfg &= ~0xf;
if (pp)
if (pp >= PINGPONG_CWB_0)
mux_cfg |= (pp < PINGPONG_CWB_2) ? 0xd : 0xb;
else if (pp)
mux_cfg |= (pp - PINGPONG_0) & 0x7;
else
mux_cfg |= 0xf;