drm/msm/disp/mdp4/mdp4_lvds_pll: 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.

Acked-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Patchwork: https://patchwork.freedesktop.org/patch/667980/
Link: https://lore.kernel.org/r/20250811-drm-clk-round-rate-v2-3-4a91ccf239cf@redhat.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_lvds_pll.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_lvds_pll.c
index 4612886f0e494777b1f5b93a9434d20ca24bfe38..04c49bf3d854693379ff4fbf11b24255ffc5a289 100644 (file)
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_lvds_pll.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_lvds_pll.c
@@ -98,11 +98,14 @@ static unsigned long mdp4_lvds_pll_recalc_rate(struct clk_hw *hw,
        return lvds_pll->pixclk;
 }
 
-static long mdp4_lvds_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-               unsigned long *parent_rate)
+static int mdp4_lvds_pll_determine_rate(struct clk_hw *hw,
+                                       struct clk_rate_request *req)
 {
-       const struct pll_rate *pll_rate = find_rate(rate);
-       return pll_rate->rate;
+       const struct pll_rate *pll_rate = find_rate(req->rate);
+
+       req->rate = pll_rate->rate;
+
+       return 0;
 }
 
 static int mdp4_lvds_pll_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -118,7 +121,7 @@ static const struct clk_ops mdp4_lvds_pll_ops = {
        .enable = mdp4_lvds_pll_enable,
        .disable = mdp4_lvds_pll_disable,
        .recalc_rate = mdp4_lvds_pll_recalc_rate,
-       .round_rate = mdp4_lvds_pll_round_rate,
+       .determine_rate = mdp4_lvds_pll_determine_rate,
        .set_rate = mdp4_lvds_pll_set_rate,
 };