For global histogram the panel should be edp and should have pwm based
backlight controller. Flags are updated accordingly.
Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
Signed-off-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_modeset_setup.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_modeset_setup.c b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
index cd21b0ddbabb..975d6bdb59f3 100644
--- a/drivers/gpu/drm/i915/display/intel_modeset_setup.c
+++ b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
@@ -17,12 +17,14 @@
#include "intel_crtc_state_dump.h"
#include "intel_ddi.h"
#include "intel_de.h"
+#include "intel_dp.h"
#include "intel_display.h"
#include "intel_display_power.h"
#include "intel_display_types.h"
#include "intel_modeset_setup.h"
#include "intel_pch_display.h"
#include "intel_pm.h"
+#include "intel_global_hist.h"
static void intel_crtc_disable_noatomic(struct intel_crtc *crtc,
struct drm_modeset_acquire_ctx *ctx)
@@ -309,6 +311,7 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
struct intel_crtc_state *crtc_state = crtc ?
to_intel_crtc_state(crtc->base.state) : NULL;
+ struct intel_panel *panel;
/*
* We need to check both for a crtc link (meaning that the encoder is
@@ -376,6 +379,15 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
if (HAS_DDI(i915))
intel_ddi_sanitize_encoder_pll_mapping(encoder);
+
+ /* validate the global hist struct elements */
+ if (intel_dp_is_port_edp(i915, encoder->port)) {
+ crtc->global_hist->has_edp = true;
+ panel = &connector->panel;
+ if (panel->backlight.present == true)
+ crtc->global_hist->has_pwm = true;
+ }
+
}
/* FIXME read out full plane state for all planes */
--
2.25.1
