[PATCH v4 12/22] drm/msm/dpu: Drop unused poll_timeout_wr_ptr PINGPONG callback

[Marijn Suijten]

This callback was migrated from downstream when DPU1 was first
introduced to mainline, but never used by any component.  Drop it to
save some lines and unnecessary confusion.

Suggested-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
Signed-off-by: Marijn Suijten <marijn.suij...@somainline.org>
Reviewed-by: Konrad Dybcio <konrad.dyb...@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c | 18 ------------------
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h |  6 ------
 2 files changed, 24 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c
index 0fcad9760b6fc..b18efd640abd6 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c
@@ -144,23 +144,6 @@ static bool dpu_hw_pp_get_autorefresh_config(struct 
dpu_hw_pingpong *pp,
        return !!((val & BIT(31)) >> 31);
 }
 
-static int dpu_hw_pp_poll_timeout_wr_ptr(struct dpu_hw_pingpong *pp,
-               u32 timeout_us)
-{
-       struct dpu_hw_blk_reg_map *c;
-       u32 val;
-       int rc;
-
-       if (!pp)
-               return -EINVAL;
-
-       c = &pp->hw;
-       rc = readl_poll_timeout(c->blk_addr + PP_LINE_COUNT,
-                       val, (val & 0xffff) >= 1, 10, timeout_us);
-
-       return rc;
-}
-
 static int dpu_hw_pp_enable_te(struct dpu_hw_pingpong *pp, bool enable)
 {
        struct dpu_hw_blk_reg_map *c;
@@ -280,7 +263,6 @@ static void _setup_pingpong_ops(struct dpu_hw_pingpong *c,
        c->ops.get_vsync_info = dpu_hw_pp_get_vsync_info;
        c->ops.setup_autorefresh = dpu_hw_pp_setup_autorefresh_config;
        c->ops.get_autorefresh = dpu_hw_pp_get_autorefresh_config;
-       c->ops.poll_timeout_wr_ptr = dpu_hw_pp_poll_timeout_wr_ptr;
        c->ops.get_line_count = dpu_hw_pp_get_line_count;
        c->ops.setup_dsc = dpu_hw_pp_setup_dsc;
        c->ops.enable_dsc = dpu_hw_pp_dsc_enable;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h
index c00223441d990..cf94b4ab603b5 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h
@@ -107,12 +107,6 @@ struct dpu_hw_pingpong_ops {
        bool (*get_autorefresh)(struct dpu_hw_pingpong *pp,
                                u32 *frame_count);
 
-       /**
-        * poll until write pointer transmission starts
-        * @Return: 0 on success, -ETIMEDOUT on timeout
-        */
-       int (*poll_timeout_wr_ptr)(struct dpu_hw_pingpong *pp, u32 timeout_us);
-
        /**
         * Obtain current vertical line counter
         */

-- 
2.40.1