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drm/i915/dsi: Call MIPI_SEQ_TEAR_ON and DISPLAY_ON for cmd-mode (untested)
author
Hans de Goede
<hdegoede@redhat.com>
Wed, 1 Mar 2017 13:15:05 +0000
(15:15 +0200)
committer
Jani Nikula
<jani.nikula@intel.com>
Wed, 1 Mar 2017 13:58:06 +0000
(15:58 +0200)
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
drivers/gpu/drm/i915/intel_dsi.c
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diff --git
a/drivers/gpu/drm/i915/intel_dsi.c
b/drivers/gpu/drm/i915/intel_dsi.c
index
7dbef67
..
7d5fb9d
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_dsi.c
+++ b/
drivers/gpu/drm/i915/intel_dsi.c
@@
-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)