[v8,04/38] drm/i915/icl: Power on DSI panel

Submitted by Jani Nikula on Oct. 30, 2018, 11:56 a.m.

Details

Message ID 8acb06fa634fe9637fdc09a3f5d2588b9138224f.1540900289.git.jani.nikula@intel.com
State New
Headers show
Series "drm/i915/icl: dsi enabling" ( rev: 3 ) in Intel GFX

Not browsing as part of any series.

Commit Message

Jani Nikula Oct. 30, 2018, 11:56 a.m.
From: Madhav Chauhan <madhav.chauhan@intel.com>

This patch execute poweron, deassert reset, display on
VBT sequences and send TURN_ON DSI command to panel for
powering it up.

Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/icl_dsi.c | 7 +++++++
 1 file changed, 7 insertions(+)

Patch hide | download patch | download mbox

diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
index 9c424adc8b75..d9c91001f107 100644
--- a/drivers/gpu/drm/i915/icl_dsi.c
+++ b/drivers/gpu/drm/i915/icl_dsi.c
@@ -664,6 +664,13 @@  static void gen11_dsi_powerup_panel(struct intel_encoder *encoder)
 		if (ret < 0)
 			DRM_ERROR("error setting max return pkt size%d\n", tmp);
 	}
+
+	/* panel power on related mipi dsi vbt sequences */
+	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_POWER_ON);
+	intel_dsi_msleep(intel_dsi, intel_dsi->panel_on_delay);
+	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DEASSERT_RESET);
+	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_INIT_OTP);
+	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);
 }
 
 static void __attribute__((unused))

Comments

On Tue, 30 Oct 2018, Jani Nikula <jani.nikula@intel.com> wrote:
> From: Madhav Chauhan <madhav.chauhan@intel.com>
>
> This patch execute poweron, deassert reset, display on
> VBT sequences and send TURN_ON DSI command to panel for
> powering it up.
>
> Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
> Reviewed-by: Jani Nikula <jani.nikula@intel.com>
> Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Pushed to dinq.

BR,
Jani.

> ---
>  drivers/gpu/drm/i915/icl_dsi.c | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
> index 9c424adc8b75..d9c91001f107 100644
> --- a/drivers/gpu/drm/i915/icl_dsi.c
> +++ b/drivers/gpu/drm/i915/icl_dsi.c
> @@ -664,6 +664,13 @@ static void gen11_dsi_powerup_panel(struct intel_encoder *encoder)
>  		if (ret < 0)
>  			DRM_ERROR("error setting max return pkt size%d\n", tmp);
>  	}
> +
> +	/* panel power on related mipi dsi vbt sequences */
> +	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_POWER_ON);
> +	intel_dsi_msleep(intel_dsi, intel_dsi->panel_on_delay);
> +	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DEASSERT_RESET);
> +	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_INIT_OTP);
> +	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);
>  }
>  
>  static void __attribute__((unused))