drm: samsung: add vrr switch duration property

Use property to indicate vrr switch transient duration.

Bug: 237631661
Test: VtsHalGraphicsComposer3_TargetTest
Test: CUJ
Signed-off-by: Midas Chien <midaschieh@google.com>
Change-Id: Ie2aa91367a6665f6dadbcbf4836eaf1b0b46c1ac

6 files changed, 10 insertions, 0 deletions

diff --git a/samsung/exynos_drm_connector.c b/samsung/exynos_drm_connector.c
index 6fcef32..7998eaf 100644
--- a/samsung/exynos_drm_connector.c
+++ b/samsung/exynos_drm_connector.c
@@ -296,6 +296,11 @@ int exynos_drm_connector_create_properties(struct drm_device *dev)
 	if (IS_ERR(p->panel_idle_support))
 		return PTR_ERR(p->panel_idle_support);
 
+	p->vrr_switch_duration = drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE,
+						"vrr_switch_duration", 0, UINT_MAX);
+	if (IS_ERR(p->vrr_switch_duration))
+		return PTR_ERR(p->vrr_switch_duration);
+
 	ret = exynos_drm_connector_create_luminance_properties(dev);
 	if (ret)
 		return ret;
diff --git a/samsung/exynos_drm_connector.h b/samsung/exynos_drm_connector.h
index 944f320..9e08f5d 100644
--- a/samsung/exynos_drm_connector.h
+++ b/samsung/exynos_drm_connector.h
@@ -60,6 +60,7 @@ struct exynos_drm_connector_properties {
 	struct drm_property *panel_idle_support;
 	struct drm_property *mipi_sync;
 	struct drm_property *panel_orientation;
+	struct drm_property *vrr_switch_duration;
 };
 
 struct exynos_display_dsc {
diff --git a/samsung/panel/panel-samsung-drv.c b/samsung/panel/panel-samsung-drv.c
index 852b8be..20c3387 100644
--- a/samsung/panel/panel-samsung-drv.c
+++ b/samsung/panel/panel-samsung-drv.c
@@ -3042,6 +3042,7 @@ static int exynos_panel_attach_properties(struct exynos_panel *ctx)
 	drm_object_attach_property(obj, p->is_partial, desc->is_partial);
 	drm_object_attach_property(obj, p->panel_idle_support, desc->is_panel_idle_supported);
 	drm_object_attach_property(obj, p->panel_orientation, ctx->orientation);
+	drm_object_attach_property(obj, p->vrr_switch_duration, desc->vrr_switch_duration);
 
 	if (desc->brt_capability) {
 		ret = exynos_panel_attach_brightness_capability(&ctx->exynos_connector,
diff --git a/samsung/panel/panel-samsung-drv.h b/samsung/panel/panel-samsung-drv.h
index 93d0966..832b387 100644
--- a/samsung/panel/panel-samsung-drv.h
+++ b/samsung/panel/panel-samsung-drv.h
@@ -475,6 +475,7 @@ struct exynos_panel_desc {
 	u32 max_brightness;
 	u32 min_brightness;
 	u32 dft_brightness; /* default brightness */
+	u32 vrr_switch_duration;
 	/* extra frame is needed to apply brightness change if it's not at next VSYNC */
 	bool dbv_extra_frame;
 	bool is_partial;
diff --git a/samsung/panel/panel-samsung-s6e3hc3-c10.c b/samsung/panel/panel-samsung-s6e3hc3-c10.c
index 9517055..4bfc112 100644
--- a/samsung/panel/panel-samsung-s6e3hc3-c10.c
+++ b/samsung/panel/panel-samsung-s6e3hc3-c10.c
@@ -1335,6 +1335,7 @@ const struct exynos_panel_desc samsung_s6e3hc3_c10 = {
 	.binned_lp = s6e3hc3_c10_binned_lp,
 	.num_binned_lp = ARRAY_SIZE(s6e3hc3_c10_binned_lp),
 	.is_panel_idle_supported = true,
+	.vrr_switch_duration = 1,
 	.panel_func = &s6e3hc3_c10_drm_funcs,
 	.exynos_panel_func = &s6e3hc3_c10_exynos_funcs,
 };
diff --git a/samsung/panel/panel-samsung-s6e3hc4.c b/samsung/panel/panel-samsung-s6e3hc4.c
index 1c2b6b3..5cc5733 100644
--- a/samsung/panel/panel-samsung-s6e3hc4.c
+++ b/samsung/panel/panel-samsung-s6e3hc4.c
@@ -1474,6 +1474,7 @@ const struct exynos_panel_desc samsung_s6e3hc4 = {
 	.binned_lp = s6e3hc4_binned_lp,
 	.num_binned_lp = ARRAY_SIZE(s6e3hc4_binned_lp),
 	.is_panel_idle_supported = true,
+	.vrr_switch_duration = 1,
 	.panel_func = &s6e3hc4_drm_funcs,
 	.exynos_panel_func = &s6e3hc4_exynos_funcs,
 };