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			84 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			84 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From fbb674cc8153a69d8224e8c5bb15ebbd1440fdc2 Mon Sep 17 00:00:00 2001
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| From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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| Date: Wed, 15 Dec 2021 17:47:14 +0000
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| Subject: [PATCH] drm/vc4: Convert vc4_dsi to use atomic
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|  enable/disable/mode_set.
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| 
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| The atomic calls are preferred as the non-atomic ones
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| are deprecated. In preparation for conversion to a bridge,
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| switch to the atomic calls.
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| 
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| Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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| ---
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|  drivers/gpu/drm/vc4/vc4_dsi.c | 23 +++++++++++++++--------
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|  1 file changed, 15 insertions(+), 8 deletions(-)
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| 
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| --- a/drivers/gpu/drm/vc4/vc4_dsi.c
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| +++ b/drivers/gpu/drm/vc4/vc4_dsi.c
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| @@ -789,7 +789,8 @@ dsi_esc_timing(u32 ns)
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|  	return DIV_ROUND_UP(ns, ESC_TIME_NS);
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|  }
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|  
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| -static void vc4_dsi_encoder_disable(struct drm_encoder *encoder)
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| +static void vc4_dsi_encoder_disable(struct drm_encoder *encoder,
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| +				    struct drm_atomic_state *state)
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|  {
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|  	struct vc4_dsi *dsi = to_vc4_dsi(encoder);
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|  	struct device *dev = &dsi->pdev->dev;
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| @@ -853,17 +854,18 @@ static bool vc4_dsi_encoder_mode_fixup(s
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|  }
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|  
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|  static void vc4_dsi_encoder_mode_set(struct drm_encoder *encoder,
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| -				     struct drm_display_mode *mode,
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| -				     struct drm_display_mode *adjusted_mode)
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| +				     struct drm_crtc_state *crtc_state,
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| +				     struct drm_connector_state *conn_state)
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|  {
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|  	struct vc4_dsi *dsi = to_vc4_dsi(encoder);
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|  	struct device *dev = &dsi->pdev->dev;
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| +	const struct drm_display_mode *mode;
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|  	bool debug_dump_regs = false;
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|  	unsigned long hs_clock;
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|  	u32 ui_ns;
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|  	/* Minimum LP state duration in escape clock cycles. */
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|  	u32 lpx = dsi_esc_timing(60);
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| -	unsigned long pixel_clock_hz = adjusted_mode->clock * 1000;
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| +	unsigned long pixel_clock_hz;
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|  	unsigned long dsip_clock;
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|  	unsigned long phy_clock;
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|  	int ret;
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| @@ -880,6 +882,10 @@ static void vc4_dsi_encoder_mode_set(str
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|  		drm_print_regset32(&p, &dsi->regset);
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|  	}
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|  
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| +	mode = &crtc_state->adjusted_mode;
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| +
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| +	pixel_clock_hz = mode->clock * 1000;
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| +
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|  	/* Round up the clk_set_rate() request slightly, since
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|  	 * PLLD_DSI1 is an integer divider and its rate selection will
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|  	 * never round up.
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| @@ -1092,7 +1098,8 @@ static void vc4_dsi_encoder_mode_set(str
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|  	vc4_dsi_ulps(dsi, false);
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|  }
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|  
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| -static void vc4_dsi_encoder_enable(struct drm_encoder *encoder)
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| +static void vc4_dsi_encoder_enable(struct drm_encoder *encoder,
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| +				   struct drm_atomic_state *state)
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|  {
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|  	struct vc4_dsi_encoder *vc4_encoder = to_vc4_dsi_encoder(encoder);
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|  	struct vc4_dsi *dsi = vc4_encoder->dsi;
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| @@ -1349,10 +1356,10 @@ static const struct mipi_dsi_host_ops vc
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|  };
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|  
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|  static const struct drm_encoder_helper_funcs vc4_dsi_encoder_helper_funcs = {
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| -	.disable = vc4_dsi_encoder_disable,
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| -	.enable = vc4_dsi_encoder_enable,
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| +	.atomic_disable = vc4_dsi_encoder_disable,
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| +	.atomic_enable = vc4_dsi_encoder_enable,
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|  	.mode_fixup = vc4_dsi_encoder_mode_fixup,
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| -	.mode_set = vc4_dsi_encoder_mode_set,
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| +	.atomic_mode_set = vc4_dsi_encoder_mode_set,
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|  };
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|  
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|  static int vc4_dsi_late_register(struct drm_encoder *encoder)
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