Re: [PATCH 4/4] clk: qcom: dispcc-sm8650: fix DisplayPort clocks

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On 08/04/2024 13:47, Dmitry Baryshkov wrote:
On SM8650 DisplayPort link clocks use frequency tables inherited from
the vendor kernel, it is not applicable in the upstream kernel. Drop
frequency tables and use clk_byte2_ops for those clocks.

Fixes: 9e939f008338 ("clk: qcom: add the SM8650 Display Clock Controller driver")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
  drivers/clk/qcom/dispcc-sm8650.c | 20 ++++----------------
  1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/clk/qcom/dispcc-sm8650.c b/drivers/clk/qcom/dispcc-sm8650.c
index 9539db0d9114..3eb64bcad487 100644
--- a/drivers/clk/qcom/dispcc-sm8650.c
+++ b/drivers/clk/qcom/dispcc-sm8650.c
@@ -343,26 +343,17 @@ static struct clk_rcg2 disp_cc_mdss_dptx0_aux_clk_src = {
  	},
  };
-static const struct freq_tbl ftbl_disp_cc_mdss_dptx0_link_clk_src[] = {
-	F(162000, P_DP0_PHY_PLL_LINK_CLK, 1, 0, 0),
-	F(270000, P_DP0_PHY_PLL_LINK_CLK, 1, 0, 0),
-	F(540000, P_DP0_PHY_PLL_LINK_CLK, 1, 0, 0),
-	F(810000, P_DP0_PHY_PLL_LINK_CLK, 1, 0, 0),
-	{ }
-};
-
  static struct clk_rcg2 disp_cc_mdss_dptx0_link_clk_src = {
  	.cmd_rcgr = 0x8170,
  	.mnd_width = 0,
  	.hid_width = 5,
  	.parent_map = disp_cc_parent_map_7,
-	.freq_tbl = ftbl_disp_cc_mdss_dptx0_link_clk_src,
  	.clkr.hw.init = &(const struct clk_init_data) {
  		.name = "disp_cc_mdss_dptx0_link_clk_src",
  		.parent_data = disp_cc_parent_data_7,
  		.num_parents = ARRAY_SIZE(disp_cc_parent_data_7),
  		.flags = CLK_SET_RATE_PARENT,
-		.ops = &clk_rcg2_ops,
+		.ops = &clk_byte2_ops,
  	},
  };
@@ -416,13 +407,12 @@ static struct clk_rcg2 disp_cc_mdss_dptx1_link_clk_src = {
  	.mnd_width = 0,
  	.hid_width = 5,
  	.parent_map = disp_cc_parent_map_3,
-	.freq_tbl = ftbl_disp_cc_mdss_dptx0_link_clk_src,
  	.clkr.hw.init = &(const struct clk_init_data) {
  		.name = "disp_cc_mdss_dptx1_link_clk_src",
  		.parent_data = disp_cc_parent_data_3,
  		.num_parents = ARRAY_SIZE(disp_cc_parent_data_3),
  		.flags = CLK_SET_RATE_PARENT,
-		.ops = &clk_rcg2_ops,
+		.ops = &clk_byte2_ops,
  	},
  };
@@ -476,13 +466,12 @@ static struct clk_rcg2 disp_cc_mdss_dptx2_link_clk_src = {
  	.mnd_width = 0,
  	.hid_width = 5,
  	.parent_map = disp_cc_parent_map_3,
-	.freq_tbl = ftbl_disp_cc_mdss_dptx0_link_clk_src,
  	.clkr.hw.init = &(const struct clk_init_data) {
  		.name = "disp_cc_mdss_dptx2_link_clk_src",
  		.parent_data = disp_cc_parent_data_3,
  		.num_parents = ARRAY_SIZE(disp_cc_parent_data_3),
  		.flags = CLK_SET_RATE_PARENT,
-		.ops = &clk_rcg2_ops,
+		.ops = &clk_byte2_ops,
  	},
  };
@@ -536,13 +525,12 @@ static struct clk_rcg2 disp_cc_mdss_dptx3_link_clk_src = {
  	.mnd_width = 0,
  	.hid_width = 5,
  	.parent_map = disp_cc_parent_map_3,
-	.freq_tbl = ftbl_disp_cc_mdss_dptx0_link_clk_src,
  	.clkr.hw.init = &(const struct clk_init_data) {
  		.name = "disp_cc_mdss_dptx3_link_clk_src",
  		.parent_data = disp_cc_parent_data_3,
  		.num_parents = ARRAY_SIZE(disp_cc_parent_data_3),
  		.flags = CLK_SET_RATE_PARENT,
-		.ops = &clk_rcg2_ops,
+		.ops = &clk_byte2_ops,
  	},
  };

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Tested-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> # on SM8650-HDK




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