drm/msm/dsi_phy_10nm: convert from round_rate() to determine_rate()

The round_rate() clk ops is deprecated, so migrate this driver from
round_rate() to determine_rate() using the Coccinelle semantic patch
on the cover letter of this series. The change to use clamp_t() was
done manually.

Signed-off-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/667866/
Link: https://lore.kernel.org/r/20250810-drm-msm-phy-clk-round-rate-v2-1-0fd1f7979c83@redhat.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
index af2e30f3f842a0157f161172bfe42059cabe6a8a..ec486ff02c9b5156cdf0902d05464cf57dc9605b 100644 (file)
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
@@ -444,21 +444,19 @@ static unsigned long dsi_pll_10nm_vco_recalc_rate(struct clk_hw *hw,
        return (unsigned long)vco_rate;
 }
 
-static long dsi_pll_10nm_clk_round_rate(struct clk_hw *hw,
-               unsigned long rate, unsigned long *parent_rate)
+static int dsi_pll_10nm_clk_determine_rate(struct clk_hw *hw,
+                                          struct clk_rate_request *req)
 {
        struct dsi_pll_10nm *pll_10nm = to_pll_10nm(hw);
 
-       if      (rate < pll_10nm->phy->cfg->min_pll_rate)
-               return  pll_10nm->phy->cfg->min_pll_rate;
-       else if (rate > pll_10nm->phy->cfg->max_pll_rate)
-               return  pll_10nm->phy->cfg->max_pll_rate;
-       else
-               return rate;
+       req->rate = clamp_t(unsigned long, req->rate,
+                           pll_10nm->phy->cfg->min_pll_rate, pll_10nm->phy->cfg->max_pll_rate);
+
+       return 0;
 }
 
 static const struct clk_ops clk_ops_dsi_pll_10nm_vco = {
-       .round_rate = dsi_pll_10nm_clk_round_rate,
+       .determine_rate = dsi_pll_10nm_clk_determine_rate,
        .set_rate = dsi_pll_10nm_vco_set_rate,
        .recalc_rate = dsi_pll_10nm_vco_recalc_rate,
        .prepare = dsi_pll_10nm_vco_prepare,