Re: [PATCH 3/7] drm/msm/dpu: inline _setup_intf_ops()

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On 27/07/2023 23:10, Marijn Suijten wrote:
On 2023-07-27 19:21:00, Dmitry Baryshkov wrote:
Inline the _setup_intf_ops() function, it makes it easier to handle
different conditions involving INTF configuration.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

Reviewed-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>

---
  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | 47 +++++++++------------
  1 file changed, 21 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
index 8ec6505d9e78..7ca772791a73 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
@@ -524,31 +524,6 @@ static void dpu_hw_intf_program_intf_cmd_cfg(struct dpu_hw_intf *ctx,
  	DPU_REG_WRITE(&ctx->hw, INTF_CONFIG2, intf_cfg2);
  }
-static void _setup_intf_ops(struct dpu_hw_intf_ops *ops,
-		unsigned long cap, const struct dpu_mdss_version *mdss_rev)
-{
-	ops->setup_timing_gen = dpu_hw_intf_setup_timing_engine;
-	ops->setup_prg_fetch  = dpu_hw_intf_setup_prg_fetch;
-	ops->get_status = dpu_hw_intf_get_status;
-	ops->enable_timing = dpu_hw_intf_enable_timing_engine;
-	ops->get_line_count = dpu_hw_intf_get_line_count;
-	if (cap & BIT(DPU_INTF_INPUT_CTRL))
-		ops->bind_pingpong_blk = dpu_hw_intf_bind_pingpong_blk;
-	ops->setup_misr = dpu_hw_intf_setup_misr;
-	ops->collect_misr = dpu_hw_intf_collect_misr;
-
-	if (cap & BIT(DPU_INTF_TE)) {
-		ops->enable_tearcheck = dpu_hw_intf_enable_te;
-		ops->disable_tearcheck = dpu_hw_intf_disable_te;
-		ops->connect_external_te = dpu_hw_intf_connect_external_te;
-		ops->vsync_sel = dpu_hw_intf_vsync_sel;
-		ops->disable_autorefresh = dpu_hw_intf_disable_autorefresh;
-	}
-
-	if (mdss_rev->core_major_ver >= 7)
-		ops->program_intf_cmd_cfg = dpu_hw_intf_program_intf_cmd_cfg;
-}
-
  struct dpu_hw_intf *dpu_hw_intf_init(const struct dpu_intf_cfg *cfg,
  		void __iomem *addr, const struct dpu_mdss_version *mdss_rev)
  {
@@ -571,7 +546,27 @@ struct dpu_hw_intf *dpu_hw_intf_init(const struct dpu_intf_cfg *cfg,
  	 */
  	c->idx = cfg->id;
  	c->cap = cfg;
-	_setup_intf_ops(&c->ops, c->cap->features, mdss_rev);
+
+	c->ops.setup_timing_gen = dpu_hw_intf_setup_timing_engine;
+	c->ops.setup_prg_fetch  = dpu_hw_intf_setup_prg_fetch;
+	c->ops.get_status = dpu_hw_intf_get_status;
+	c->ops.enable_timing = dpu_hw_intf_enable_timing_engine;
+	c->ops.get_line_count = dpu_hw_intf_get_line_count;
+	if (cfg->features & BIT(DPU_INTF_INPUT_CTRL))
+		c->ops.bind_pingpong_blk = dpu_hw_intf_bind_pingpong_blk;

While at it, could we sort these down with the other conditional
callbacks?

What kind of sorting do you have in mind?

+	c->ops.setup_misr = dpu_hw_intf_setup_misr;
+	c->ops.collect_misr = dpu_hw_intf_collect_misr;
+
+	if (cfg->features & BIT(DPU_INTF_TE)) {

Any clue why we're not using test_bit()?  Feels a bit inconsistent.

Yes, some files use test_bit(), others just check the bit directly. Maybe after moving some/most of conditionals to core_major_ver we can clean that too.


+		c->ops.enable_tearcheck = dpu_hw_intf_enable_te;
+		c->ops.disable_tearcheck = dpu_hw_intf_disable_te;
+		c->ops.connect_external_te = dpu_hw_intf_connect_external_te;
+		c->ops.vsync_sel = dpu_hw_intf_vsync_sel;
+		c->ops.disable_autorefresh = dpu_hw_intf_disable_autorefresh;
+	}
+
+	if (mdss_rev->core_major_ver >= 7)
+		c->ops.program_intf_cmd_cfg = dpu_hw_intf_program_intf_cmd_cfg;
return c;
  }
--
2.39.2


--
With best wishes
Dmitry




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