According to the spec we should call MIPI_SEQ_TEAR_ON and DISPLAY_ON
on enable for cmd-mode, just like we already call their counterparts
on disable. Note: untested, my panel is a vid-mode panel.
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Reviewed-by: Bob Paauwe <bob.j.paauwe@xxxxxxxxx>
---
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 d316c24..95e0ff1 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -651,6 +651,8 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder,
if (is_cmd_mode(intel_dsi)) {
for_each_dsi_port(port, intel_dsi->ports)
I915_WRITE(MIPI_MAX_RETURN_PKT_SIZE(port), 8 * 4);
+ intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_TEAR_ON);
+ intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);
} else {
msleep(20); /* XXX */
for_each_dsi_port(port, intel_dsi->ports)
--
2.9.3
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