From: Abhinav Kumar Date: Thu, 16 Dec 2021 02:27:38 +0000 (-0800) Subject: drm/msm/dpu: add layer mixer register dump to dpu snapshot X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3a905438887bf060b475d1774d80a24d72858d12;p=linux.git drm/msm/dpu: add layer mixer register dump to dpu snapshot Add the missing layer mixer register dump information to dpu snapshot to assist debugging. Reviewed-by: Dmitry Baryshkov Signed-off-by: Abhinav Kumar Link: https://lore.kernel.org/r/1639621658-1500-1-git-send-email-quic_abhinavk@quicinc.com Signed-off-by: Rob Clark --- diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 281c9601f0089..47fe11a84a77c 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -920,6 +920,11 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k msm_disp_snapshot_add_block(disp_state, cat->sspp[i].len, dpu_kms->mmio + cat->sspp[i].base, "sspp_%d", i); + /* dump LM sub-blocks HW regs info */ + for (i = 0; i < cat->mixer_count; i++) + msm_disp_snapshot_add_block(disp_state, cat->mixer[i].len, + dpu_kms->mmio + cat->mixer[i].base, "lm_%d", i); + msm_disp_snapshot_add_block(disp_state, top->hw.length, dpu_kms->mmio + top->hw.blk_off, "top");