diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-04-18 19:17:51 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-04-19 14:57:33 +0300 |
| commit | 1d5c65edd930ff05ef036bbade87275e4b5b7b90 (patch) | |
| tree | 856f14bea65d6e86879f9de25bf113b3c60a281b /drivers/gpu/drm/i915/intel_dsi.c | |
| parent | 9d0996b5903fec7bff64e169b860146a923a6abe (diff) | |
| download | linux-1d5c65edd930ff05ef036bbade87275e4b5b7b90.tar.xz | |
drm/i915: Wait for power cycle delay after turning off DSI panel power
The power cycle delay starts _after_ turning off the panel power. Do the
msleep after frobbing the pmic panel power gpio.
Also toss in a FIXME about optimizing away needless waits.
Cc: Shobhit Kumar <shobhit.kumar@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Fixes: fc45e8219907 ("drm/i915: Use the CRC gpio for panel enable/disable")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1460996271-29795-1-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 34328ddaaab5..2b22bb9bb86f 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -688,11 +688,16 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder) drm_panel_unprepare(intel_dsi->panel); msleep(intel_dsi->panel_off_delay); - msleep(intel_dsi->panel_pwr_cycle_delay); /* Panel Disable over CRC PMIC */ if (intel_dsi->gpio_panel) gpiod_set_value_cansleep(intel_dsi->gpio_panel, 0); + + /* + * FIXME As we do with eDP, just make a note of the time here + * and perform the wait before the next panel power on. + */ + msleep(intel_dsi->panel_pwr_cycle_delay); } static bool intel_dsi_get_hw_state(struct intel_encoder *encoder, |