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 3822e0657767db9dc0a66d546ac59202b3ab4ba6..1dcbb75b80d3d6e7f96baab1a4baa053b64587ef 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 51e9093621a7e6cce9ac062ec2b8e1c6161f452a..42af9e5b865e2c6014a8d8e596730e466ecec077 100644 (file)
--- 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
         */