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drm/i915/dsi: Call MIPI_SEQ_TEAR_ON and DISPLAY_ON for cmd-mode (untested) 

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@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/1488374106-4949-10-git-send-email-jani.nikula@intel.com
This commit is contained in:
Hans de Goede 2017-03-01 15:15:05 +02:00 committed by Jani Nikula
parent 7108b436c2
commit 38dec5c089
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/intel_dsi.c
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@ -822,6 +822,8 @@ 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)