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 <hdego...@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 --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 */
--
2.9.3
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