[Intel-gfx] [PATCH 2/4] drm/i915/dsi: Move logging of DSI VBT parameters to a helper function

Ville Syrjälä ville.syrjala at linux.intel.com
Tue Jun 4 17:36:32 UTC 2019


On Fri, May 24, 2019 at 06:30:18PM +0200, Hans de Goede wrote:
> This is a preparation patch for moving the calling of *_dphy_param_init()
> out of intel_dsi_vbt_init.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/intel_dsi_vbt.c | 77 +++++++++++++++-------------
>  1 file changed, 42 insertions(+), 35 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dsi_vbt.c b/drivers/gpu/drm/i915/intel_dsi_vbt.c
> index 3074448446bc..3448e8d51057 100644
> --- a/drivers/gpu/drm/i915/intel_dsi_vbt.c
> +++ b/drivers/gpu/drm/i915/intel_dsi_vbt.c
> @@ -532,6 +532,44 @@ void intel_dsi_msleep(struct intel_dsi *intel_dsi, int msec)
>  	msleep(msec);
>  }
>  
> +static void intel_dsi_log_params(struct intel_dsi *intel_dsi)
> +{
> +	DRM_DEBUG_KMS("Pclk %d\n", intel_dsi->pclk);
> +	DRM_DEBUG_KMS("Pixel overlap %d\n", intel_dsi->pixel_overlap);
> +	DRM_DEBUG_KMS("Lane count %d\n", intel_dsi->lane_count);
> +	DRM_DEBUG_KMS("DPHY param reg 0x%x\n", intel_dsi->dphy_reg);
> +	DRM_DEBUG_KMS("Video mode format %s\n",
> +		      intel_dsi->video_mode_format == VIDEO_MODE_NON_BURST_WITH_SYNC_PULSE ?
> +		      "non-burst with sync pulse" :
> +		      intel_dsi->video_mode_format == VIDEO_MODE_NON_BURST_WITH_SYNC_EVENTS ?
> +		      "non-burst with sync events" :
> +		      intel_dsi->video_mode_format == VIDEO_MODE_BURST ?
> +		      "burst" : "<unknown>");
> +	DRM_DEBUG_KMS("Burst mode ratio %d\n", intel_dsi->burst_mode_ratio);
> +	DRM_DEBUG_KMS("Reset timer %d\n", intel_dsi->rst_timer_val);
> +	DRM_DEBUG_KMS("Eot %s\n", enableddisabled(intel_dsi->eotp_pkt));
> +	DRM_DEBUG_KMS("Clockstop %s\n", enableddisabled(!intel_dsi->clock_stop));
> +	DRM_DEBUG_KMS("Mode %s\n", intel_dsi->operation_mode ? "command" : "video");
> +	if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK)
> +		DRM_DEBUG_KMS("Dual link: DSI_DUAL_LINK_FRONT_BACK\n");
> +	else if (intel_dsi->dual_link == DSI_DUAL_LINK_PIXEL_ALT)
> +		DRM_DEBUG_KMS("Dual link: DSI_DUAL_LINK_PIXEL_ALT\n");
> +	else
> +		DRM_DEBUG_KMS("Dual link: NONE\n");
> +	DRM_DEBUG_KMS("Pixel Format %d\n", intel_dsi->pixel_format);
> +	DRM_DEBUG_KMS("TLPX %d\n", intel_dsi->escape_clk_div);
> +	DRM_DEBUG_KMS("LP RX Timeout 0x%x\n", intel_dsi->lp_rx_timeout);
> +	DRM_DEBUG_KMS("Turnaround Timeout 0x%x\n", intel_dsi->turn_arnd_val);
> +	DRM_DEBUG_KMS("Init Count 0x%x\n", intel_dsi->init_count);
> +	DRM_DEBUG_KMS("HS to LP Count 0x%x\n", intel_dsi->hs_to_lp_count);
> +	DRM_DEBUG_KMS("LP Byte Clock %d\n", intel_dsi->lp_byte_clk);
> +	DRM_DEBUG_KMS("DBI BW Timer 0x%x\n", intel_dsi->bw_timer);
> +	DRM_DEBUG_KMS("LP to HS Clock Count 0x%x\n", intel_dsi->clk_lp_to_hs_count);
> +	DRM_DEBUG_KMS("HS to LP Clock Count 0x%x\n", intel_dsi->clk_hs_to_lp_count);
> +	DRM_DEBUG_KMS("BTA %s\n",
> +			enableddisabled(!(intel_dsi->video_frmt_cfg_bits & DISABLE_VIDEO_BTA)));
> +}
> +
>  #define ICL_PREPARE_CNT_MAX	0x7
>  #define ICL_CLK_ZERO_CNT_MAX	0xf
>  #define ICL_TRAIL_CNT_MAX	0x7
> @@ -635,6 +673,8 @@ static void icl_dphy_param_init(struct intel_dsi *intel_dsi)
>  					 HS_TRAIL(trail_cnt) |
>  					 HS_EXIT_OVERRIDE |
>  					 HS_EXIT(exit_zero_cnt));
> +
> +	intel_dsi_log_params(intel_dsi);
>  }
>  
>  static void vlv_dphy_param_init(struct intel_dsi *intel_dsi)
> @@ -794,6 +834,8 @@ static void vlv_dphy_param_init(struct intel_dsi *intel_dsi)
>  		DIV_ROUND_UP(2 * tlpx_ui + trail_cnt * 2 + 8,
>  			8);
>  	intel_dsi->clk_hs_to_lp_count += extra_byte_count;
> +
> +	intel_dsi_log_params(intel_dsi);
>  }
>  
>  bool intel_dsi_vbt_init(struct intel_dsi *intel_dsi, u16 panel_id)
> @@ -877,41 +919,6 @@ bool intel_dsi_vbt_init(struct intel_dsi *intel_dsi, u16 panel_id)
>  	else
>  		vlv_dphy_param_init(intel_dsi);
>  
> -	DRM_DEBUG_KMS("Pclk %d\n", intel_dsi->pclk);
> -	DRM_DEBUG_KMS("Pixel overlap %d\n", intel_dsi->pixel_overlap);
> -	DRM_DEBUG_KMS("Lane count %d\n", intel_dsi->lane_count);
> -	DRM_DEBUG_KMS("DPHY param reg 0x%x\n", intel_dsi->dphy_reg);
> -	DRM_DEBUG_KMS("Video mode format %s\n",
> -		      intel_dsi->video_mode_format == VIDEO_MODE_NON_BURST_WITH_SYNC_PULSE ?
> -		      "non-burst with sync pulse" :
> -		      intel_dsi->video_mode_format == VIDEO_MODE_NON_BURST_WITH_SYNC_EVENTS ?
> -		      "non-burst with sync events" :
> -		      intel_dsi->video_mode_format == VIDEO_MODE_BURST ?
> -		      "burst" : "<unknown>");
> -	DRM_DEBUG_KMS("Burst mode ratio %d\n", intel_dsi->burst_mode_ratio);
> -	DRM_DEBUG_KMS("Reset timer %d\n", intel_dsi->rst_timer_val);
> -	DRM_DEBUG_KMS("Eot %s\n", enableddisabled(intel_dsi->eotp_pkt));
> -	DRM_DEBUG_KMS("Clockstop %s\n", enableddisabled(!intel_dsi->clock_stop));
> -	DRM_DEBUG_KMS("Mode %s\n", intel_dsi->operation_mode ? "command" : "video");
> -	if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK)
> -		DRM_DEBUG_KMS("Dual link: DSI_DUAL_LINK_FRONT_BACK\n");
> -	else if (intel_dsi->dual_link == DSI_DUAL_LINK_PIXEL_ALT)
> -		DRM_DEBUG_KMS("Dual link: DSI_DUAL_LINK_PIXEL_ALT\n");
> -	else
> -		DRM_DEBUG_KMS("Dual link: NONE\n");
> -	DRM_DEBUG_KMS("Pixel Format %d\n", intel_dsi->pixel_format);
> -	DRM_DEBUG_KMS("TLPX %d\n", intel_dsi->escape_clk_div);
> -	DRM_DEBUG_KMS("LP RX Timeout 0x%x\n", intel_dsi->lp_rx_timeout);
> -	DRM_DEBUG_KMS("Turnaround Timeout 0x%x\n", intel_dsi->turn_arnd_val);
> -	DRM_DEBUG_KMS("Init Count 0x%x\n", intel_dsi->init_count);
> -	DRM_DEBUG_KMS("HS to LP Count 0x%x\n", intel_dsi->hs_to_lp_count);
> -	DRM_DEBUG_KMS("LP Byte Clock %d\n", intel_dsi->lp_byte_clk);
> -	DRM_DEBUG_KMS("DBI BW Timer 0x%x\n", intel_dsi->bw_timer);
> -	DRM_DEBUG_KMS("LP to HS Clock Count 0x%x\n", intel_dsi->clk_lp_to_hs_count);
> -	DRM_DEBUG_KMS("HS to LP Clock Count 0x%x\n", intel_dsi->clk_hs_to_lp_count);
> -	DRM_DEBUG_KMS("BTA %s\n",
> -			enableddisabled(!(intel_dsi->video_frmt_cfg_bits & DISABLE_VIDEO_BTA)));
> -
>  	/* delays in VBT are in unit of 100us, so need to convert
>  	 * here in ms
>  	 * Delay (100us) * 100 /1000 = Delay / 10 (ms) */
> -- 
> 2.21.0

-- 
Ville Syrjälä
Intel


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