From a31a610fd44b6670f0b45fe109c34abda54d412b Mon Sep 17 00:00:00 2001 From: Esha Bharadwaj Date: Mon, 16 Dec 2024 16:43:24 -0800 Subject: [PATCH] drm/msm/dpu: add CWB support to dpu_hw_wb Adjust the WB_MUX configuration to account for using dedicated CWB pingpong blocks. Signed-off-by: Esha Bharadwaj Reviewed-by: Dmitry Baryshkov Signed-off-by: Jessica Zhang Signed-off-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/629248/ Link: https://lore.kernel.org/r/20241216-concurrent-wb-v4-13-fe220297a7f0@quicinc.com --- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c index fb9f909577624..4853e516c4873 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c @@ -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; -- 2.39.5