AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-03-07 12:16:35 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/i915: Wait for power cycle delay after turning off DSI panel power

Browse Source 
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: fc45e82199 ("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>
This commit is contained in:
Ville Syrjälä 2016-04-18 19:17:51 +03:00
parent 9d0996b590
commit 1d5c65edd9
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/i915/intel_dsi.c
View File

@ -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,