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[0825/1094] drm/i915: MIPI PPS delays added

Message ID 1413889294-31328-826-git-send-email-dheerajx.s.jamwal@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dheeraj Jamwal Oct. 21, 2014, 10:57 a.m. UTC 
From: Shobhit Kumar <shobhit.kumar@intel.com>

Added as generic parameters which will be initialized in the panel
driver and are specific to panels.

Backlight delays have also kept as placeholders and will be used used
once we have MIPI backlight enabling support

Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit df38e6558db777e1e4403a3fc16bf177fe44b79b)

Signed-off-by: Dheeraj Jamwal <dheerajx.s.jamwal@intel.com>
---
 drivers/gpu/drm/i915/intel_dsi.c |    5 +++++
 drivers/gpu/drm/i915/intel_dsi.h |    7 +++++++
 2 files changed, 12 insertions(+)
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 09b9318..0d4dd54 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -185,6 +185,8 @@  static void intel_dsi_pre_enable(struct intel_encoder *encoder)
 	/* put device in ready state */
 	intel_dsi_device_ready(encoder);
 
+	msleep(intel_dsi->panel_on_delay);
+
 	if (intel_dsi->dev.dev_ops->panel_reset)
 		intel_dsi->dev.dev_ops->panel_reset(&intel_dsi->dev);
 
@@ -301,6 +303,9 @@  static void intel_dsi_post_disable(struct intel_encoder *encoder)
 
 	if (intel_dsi->dev.dev_ops->disable_panel_power)
 		intel_dsi->dev.dev_ops->disable_panel_power(&intel_dsi->dev);
+
+	msleep(intel_dsi->panel_off_delay);
+	msleep(intel_dsi->panel_pwr_cycle_delay);
 }
 
 static bool intel_dsi_get_hw_state(struct intel_encoder *encoder,
diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h
index be132c5..e3f4e91 100644
--- a/drivers/gpu/drm/i915/intel_dsi.h
+++ b/drivers/gpu/drm/i915/intel_dsi.h
@@ -116,6 +116,13 @@  struct intel_dsi {
 	u16 clk_hs_to_lp_count;
 
 	u16 init_count;
+
+	/* all delays in ms */
+	u16 backlight_off_delay;
+	u16 backlight_on_delay;
+	u16 panel_on_delay;
+	u16 panel_off_delay;
+	u16 panel_pwr_cycle_delay;
 };
 
 static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)