drm/i915/dsi: Make intel_dsi_enable/disable directly exec VBT sequences

The drm_panel_enable/disable and drm_panel_prepare/unprepare calls are
not fine grained enough to abstract all the different steps we need to
take (and VBT sequences we need to exec) properly. So simply remove the
panel _enable/disable and prepare/unprepare callbacks and instead
export intel_dsi_exec_vbt_sequence() from intel_dsi_panel_vbt.c
and call that from intel_dsi_enable/disable().

No functional changes.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Bob Paauwe <bob.j.paauwe@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/b4ca5185d4788d92df2ed60837a24b8962a8e8ba.1488273823.git.jani.nikula@intel.com

1 files changed, 2 insertions, 41 deletions

diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
index 7daaa58289e3..ab922b6eb36a 100644
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -426,10 +426,9 @@ static const char *sequence_name(enum mipi_seq seq_id)
 		return "(unknown)";
 }
 
-static void generic_exec_sequence(struct drm_panel *panel, enum mipi_seq seq_id)
+void intel_dsi_exec_vbt_sequence(struct intel_dsi *intel_dsi,
+				 enum mipi_seq seq_id)
 {
-	struct vbt_panel *vbt_panel = to_vbt_panel(panel);
-	struct intel_dsi *intel_dsi = vbt_panel->intel_dsi;
 	struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev);
 	const u8 *data;
 	fn_mipi_elem_exec mipi_elem_exec;
@@ -493,40 +492,6 @@ static void generic_exec_sequence(struct drm_panel *panel, enum mipi_seq seq_id)
 	}
 }
 
-static int vbt_panel_prepare(struct drm_panel *panel)
-{
-	generic_exec_sequence(panel, MIPI_SEQ_ASSERT_RESET);
-	generic_exec_sequence(panel, MIPI_SEQ_POWER_ON);
-	generic_exec_sequence(panel, MIPI_SEQ_DEASSERT_RESET);
-	generic_exec_sequence(panel, MIPI_SEQ_INIT_OTP);
-
-	return 0;
-}
-
-static int vbt_panel_unprepare(struct drm_panel *panel)
-{
-	generic_exec_sequence(panel, MIPI_SEQ_ASSERT_RESET);
-	generic_exec_sequence(panel, MIPI_SEQ_POWER_OFF);
-
-	return 0;
-}
-
-static int vbt_panel_enable(struct drm_panel *panel)
-{
-	generic_exec_sequence(panel, MIPI_SEQ_DISPLAY_ON);
-	generic_exec_sequence(panel, MIPI_SEQ_BACKLIGHT_ON);
-
-	return 0;
-}
-
-static int vbt_panel_disable(struct drm_panel *panel)
-{
-	generic_exec_sequence(panel, MIPI_SEQ_BACKLIGHT_OFF);
-	generic_exec_sequence(panel, MIPI_SEQ_DISPLAY_OFF);
-
-	return 0;
-}
-
 static int vbt_panel_get_modes(struct drm_panel *panel)
 {
 	struct vbt_panel *vbt_panel = to_vbt_panel(panel);
@@ -550,10 +515,6 @@ static int vbt_panel_get_modes(struct drm_panel *panel)
 }
 
 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,
 };