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[v2,08/10] drm/i915/dsi: Execute MIPI_SEQ_TEAR_OFF from intel_dsi_post_disable

Message ID 20170228125925.7020-8-hdegoede@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Hans de Goede Feb. 28, 2017, 12:59 p.m. UTC
For v3+ VBTs we should call MIPI_SEQ_TEAR_OFF before MIPI_SEQ_DISPLAY_OFF,
v2 VBTs do not have MIPI_SEQ_TEAR_OFF so there this is a nop.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
Changes in v2:
-Only call MIPI_SEQ_TEAR_OFF in cmd mode
---
 drivers/gpu/drm/i915/intel_dsi.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index b9727a0..d316c24 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -739,6 +739,8 @@  static void intel_dsi_post_disable(struct intel_encoder *encoder,
 	 * if disable packets are sent before sending shutdown packet then in
 	 * some next enable sequence send turn on packet error is observed
 	 */
+	if (is_cmd_mode(intel_dsi))
+		intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_TEAR_OFF);
 	intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_DISPLAY_OFF);
 
 	/* Transition to LP-00 */