[MIPI SEQ PARSING v1 PATCH 8/9] drm/i915: Add functions to execute the new sequences from VBT

Deepak M
2015-07-28T09:57:08Z

From: Gaurav K Singh <gaurav.k.singh@intel.com>

New sequences are added in the mipi sequence block of the
VBT from version 3 onwards. The sequences are added to
make the code more generic as the panel related info
are placed in the VBT.

Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Deepak M <m.deepak@intel.com>
---
drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 84 +++++++++++++++++++++++++++-
1 file changed, 83 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
index 060305d..c6f66e4 100644
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -581,7 +581,13 @@ static const char * const seq_name[] = {
"MIPI_SEQ_INIT_OTP",
"MIPI_SEQ_DISPLAY_ON",
"MIPI_SEQ_DISPLAY_OFF",
- "MIPI_SEQ_DEASSERT_RESET"
+ "MIPI_SEQ_DEASSERT_RESET",
+ "MIPI_SEQ_BACKLIGHT_ON",
+ "MIPI_SEQ_BACKLIGHT_OFF",
+ "MIPI_SEQ_TEAR_ON",
+ "MIPI_SEQ_TEAR_OFF",
+ "MIPI_SEQ_POWER_ON",
+ "MIPI_SEQ_POWER_OFF"
};

static void generic_exec_sequence(struct intel_dsi *intel_dsi, const u8 *data)
@@ -710,12 +716,88 @@ static int vbt_panel_get_modes(struct drm_panel *panel)
return 1;
}

+static int vbt_panel_power_on(struct drm_panel *panel)
+{
+ struct vbt_panel *vbt_panel = to_vbt_panel(panel);
+ struct intel_dsi *intel_dsi = vbt_panel->intel_dsi;
+ struct drm_device *dev = intel_dsi->base.base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ const u8 *sequence;
+
+ sequence = dev_priv->vbt.dsi.sequence[MIPI_SEQ_POWER_ON];
+ generic_exec_sequence(intel_dsi, sequence);
+
+ return 0;
+}
+
+static int vbt_panel_power_off(struct drm_panel *panel)
+{
+ struct vbt_panel *vbt_panel = to_vbt_panel(panel);
+ struct intel_dsi *intel_dsi = vbt_panel->intel_dsi;
+ struct drm_device *dev = intel_dsi->base.base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ const u8 *sequence;
+
+ sequence = dev_priv->vbt.dsi.sequence[MIPI_SEQ_POWER_OFF];
+ generic_exec_sequence(intel_dsi, sequence);
+
+ return 0;
+}
+
+static int vbt_panel_backlight_on(struct drm_panel *panel)
+{
+ struct vbt_panel *vbt_panel = to_vbt_panel(panel);
+ struct intel_dsi *intel_dsi = vbt_panel->intel_dsi;
+ struct drm_device *dev = intel_dsi->base.base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ const u8 *sequence;
+
+ sequence = dev_priv->vbt.dsi.sequence[MIPI_SEQ_BACKLIGHT_ON];
+ generic_exec_sequence(intel_dsi, sequence);
+
+ return 0;
+}
+
+static int vbt_panel_backlight_off(struct drm_panel *panel)
+{
+ struct vbt_panel *vbt_panel = to_vbt_panel(panel);
+ struct intel_dsi *intel_dsi = vbt_panel->intel_dsi;
+ struct drm_device *dev = intel_dsi->base.base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ const u8 *sequence;
+
+ sequence = dev_priv->vbt.dsi.sequence[MIPI_SEQ_BACKLIGHT_OFF];
+ generic_exec_sequence(intel_dsi, sequence);
+
+ return 0;
+}
+
+static int vbt_panel_get_info(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct intel_connector *intel_connector =
+ to_intel_connector(connector);
+
+ if (intel_connector) {
+ connector->display_info.width_mm =
+ intel_connector->panel.fixed_mode->width_mm;
+ connector->display_info.height_mm =
+ intel_connector->panel.fixed_mode->height_mm;
+ }
+ return 0;
+}
+
static const struct drm_panel_funcs vbt_panel_funcs = {
.disable = vbt_panel_disable,
.unprepare = vbt_panel_unprepare,
.prepare = vbt_panel_prepare,
.enable = vbt_panel_enable,
.get_modes = vbt_panel_get_modes,
+ .power_on = vbt_panel_power_on,
+ .power_off = vbt_panel_power_off,
+ .backlight_on = vbt_panel_backlight_on,
+ .backlight_off = vbt_panel_backlight_off,
+ .get_info = vbt_panel_get_info,
};

struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id)