iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/i915/dsi: Move panel reset+power off to be the last thing

Browse Source 
Follow what Windows does and do the DSI panel reset+power off
after everything else.

v2: s/intel_dsi_msleep/msleep/

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230608203057.23759-12-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2023-06-08 23:30:55 +03:00
parent 1c7684e7b7
commit 5263a63c88
1 changed files with 8 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpu/drm/i915/display/icl_dsi.c
View File

@ -1291,12 +1291,6 @@ static void gen11_dsi_powerdown_panel(struct intel_encoder *encoder)
struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_OFF);
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_ASSERT_RESET);
msleep(intel_dsi->panel_off_delay);
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_POWER_OFF);
intel_dsi->panel_power_off_time = ktime_get_boottime();
/* ensure cmds dispatched to panel */
wait_for_cmds_dispatched_to_panel(encoder);
@ -1408,6 +1402,7 @@ static void gen11_dsi_post_disable(struct intel_atomic_state *state,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
struct intel_crtc *crtc = to_intel_crtc(old_conn_state->crtc);
intel_crtc_vblank_off(old_crtc_state);
@ -1434,6 +1429,13 @@ static void gen11_dsi_post_disable(struct intel_atomic_state *state,
/* step4: disable IO power */
gen11_dsi_disable_io_power(encoder);
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_ASSERT_RESET);
msleep(intel_dsi->panel_off_delay);
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_POWER_OFF);
intel_dsi->panel_power_off_time = ktime_get_boottime();
}
static enum drm_mode_status gen11_dsi_mode_valid(struct drm_connector *connector,