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drm/stm/lvds: convert from round_rate() to determine_rate()

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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: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Acked-by: Yannick Fertre <yannick.fertre@foss.st.com>
Link: https://lore.kernel.org/r/20250811-drm-clk-round-rate-v2-7-4a91ccf239cf@redhat.com
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
This commit is contained in:
Brian Masney 2025-08-11 06:56:11 -04:00 • committed by Raphael Gallais-Pou
parent 5ccf442ecd
commit 1dc50bc8a3
1 changed files with 7 additions and 5 deletions
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12
drivers/gpu/drm/stm/lvds.c
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@ -682,8 +682,8 @@ static unsigned long lvds_pixel_clk_recalc_rate(struct clk_hw *hw,
return (unsigned long)lvds->pixel_clock_rate;
}
static long lvds_pixel_clk_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
static int lvds_pixel_clk_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
struct stm_lvds *lvds = container_of(hw, struct stm_lvds, lvds_ck_px);
unsigned int pll_in_khz, bdiv = 0, mdiv = 0, ndiv = 0;
@ -703,7 +703,7 @@ static long lvds_pixel_clk_round_rate(struct clk_hw *hw, unsigned long rate,
mode = list_first_entry(&connector->modes,
struct drm_display_mode, head);
pll_in_khz = (unsigned int)(*parent_rate / 1000);
pll_in_khz = (unsigned int)(req->best_parent_rate / 1000);
if (lvds_is_dual_link(lvds->link_type))
multiplier = 2;
@ -719,14 +719,16 @@ static long lvds_pixel_clk_round_rate(struct clk_hw *hw, unsigned long rate,
lvds->pixel_clock_rate = (unsigned long)pll_get_clkout_khz(pll_in_khz, bdiv, mdiv, ndiv)
* 1000 * multiplier / 7;
return lvds->pixel_clock_rate;
req->rate = lvds->pixel_clock_rate;
return 0;
}
static const struct clk_ops lvds_pixel_clk_ops = {
.enable = lvds_pixel_clk_enable,
.disable = lvds_pixel_clk_disable,
.recalc_rate = lvds_pixel_clk_recalc_rate,
.round_rate = lvds_pixel_clk_round_rate,
.determine_rate = lvds_pixel_clk_determine_rate,
};
static const struct clk_init_data clk_data = {