drm/msm/dpu: Drop unused poll_timeout_wr_ptr PINGPONG callback

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.baryshkov@linaro.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/534215/
Link: https://lore.kernel.org/r/20230411-dpu-intf-te-v4-12-27ce1a5ab5c6@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

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 3822e06..1dcbb75 100644 (file)
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c
@@ -126,23 +126,6 @@ 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;
@@ -262,7 +245,6 @@ 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 51e9093..42af9e5 100644 (file)
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h
@@ -108,12 +108,6 @@ struct dpu_hw_pingpong_ops {
                                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
         */
        u32 (*get_line_count)(struct dpu_hw_pingpong *pp);