From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Move the wm readout to happen earlier. This is needed because
the bw_state readout will need ddb information populated by
the wm readout.
For now limit this to skl+ as I've not really analyzed the
implications of doing this on other platforms.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_modeset_setup.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_modeset_setup.c
b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
index 03c0facfad7a..6a4142d7d025 100644
--- a/drivers/gpu/drm/i915/display/intel_modeset_setup.c
+++ b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
@@ -880,6 +880,10 @@ static void intel_modeset_readout_hw_state(struct
drm_i915_private *i915)
crtc_state->port_clock);
}
+ /* TODO move here (or even earlier?) on all platforms */
+ if (DISPLAY_VER(display) >= 9)
+ intel_wm_get_hw_state(i915);
+
intel_bw_update_hw_state(display);
intel_cdclk_update_hw_state(display);
@@ -990,7 +994,9 @@ void intel_modeset_setup_hw_state(struct drm_i915_private
*i915,
intel_dpll_sanitize_state(display);
- intel_wm_get_hw_state(i915);
+ /* TODO move earlier on all platforms */
+ if (DISPLAY_VER(display) < 9)
+ intel_wm_get_hw_state(i915);
intel_wm_sanitize(i915);
for_each_intel_crtc(&i915->drm, crtc) {
--
2.45.3
