We want to be able to bypass each colorop at all times.
Introduce a new BYPASS boolean property for this.
Signed-off-by: Harry Wentland <harry.wentl...@amd.com>
---
drivers/gpu/drm/drm_atomic_uapi.c | 6 +++++-
drivers/gpu/drm/drm_colorop.c | 15 +++++++++++++++
include/drm/drm_colorop.h | 20 ++++++++++++++++++++
3 files changed, 40 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c
b/drivers/gpu/drm/drm_atomic_uapi.c
index 52b9b48e5757..a8f7a8a6639a 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -670,7 +670,9 @@ static int drm_atomic_colorop_set_property(struct
drm_colorop *colorop,
struct drm_colorop_state *state, struct drm_file *file_priv,
struct drm_property *property, uint64_t val)
{
- if (property == colorop->curve_1d_type_property) {
+ if (property == colorop->bypass_property) {
+ state->bypass = val;
+ } else if (property == colorop->curve_1d_type_property) {
state->curve_1d_type = val;
} else {
drm_dbg_atomic(colorop->dev,
@@ -690,6 +692,8 @@ drm_atomic_colorop_get_property(struct drm_colorop *colorop,
{
if (property == colorop->type_property) {
*val = colorop->type;
+ } else if (property == colorop->bypass_property) {
+ *val = state->bypass;
} else if (property == colorop->curve_1d_type_property) {
*val = state->curve_1d_type;
} else {
diff --git a/drivers/gpu/drm/drm_colorop.c b/drivers/gpu/drm/drm_colorop.c
index b1c271f90a16..17ba11ae205b 100644
--- a/drivers/gpu/drm/drm_colorop.c
+++ b/drivers/gpu/drm/drm_colorop.c
@@ -78,6 +78,18 @@ int drm_colorop_init(struct drm_device *dev, struct
drm_colorop *colorop,
colorop->type_property,
colorop->type);
+ /* bypass */
+ /* TODO can we reuse the mode_config->active_prop? */
+ prop = drm_property_create_bool(dev, DRM_MODE_PROP_ATOMIC,
+ "BYPASS");
+ if (!prop)
+ return -ENOMEM;
+
+ colorop->bypass_property = prop;
+ drm_object_attach_property(&colorop->base,
+ colorop->bypass_property,
+ 1);
+
/* curve_1d_type */
/* TODO move to mode_config? */
prop = drm_property_create_enum(dev, DRM_MODE_PROP_ATOMIC,
@@ -100,6 +112,8 @@ static void
__drm_atomic_helper_colorop_duplicate_state(struct drm_colorop *colo
struct
drm_colorop_state *state)
{
memcpy(state, colorop->state, sizeof(*state));
+
+ state->bypass = true;
}
struct drm_colorop_state *
@@ -151,6 +165,7 @@ static void __drm_colorop_state_reset(struct
drm_colorop_state *colorop_state,
struct drm_colorop *colorop)
{
colorop_state->colorop = colorop;
+ colorop_state->bypass = true;
}
/**
diff --git a/include/drm/drm_colorop.h b/include/drm/drm_colorop.h
index 965db7ec488f..053d1aa72e1b 100644
--- a/include/drm/drm_colorop.h
+++ b/include/drm/drm_colorop.h
@@ -44,6 +44,14 @@ struct drm_colorop_state {
/* colorop properties */
+ /**
+ * @bypass:
+ *
+ * True if colorop shall be bypassed. False if colorop is
+ * enabled.
+ */
+ bool bypass;
+
/**
* @curve_1d_type:
*
@@ -131,6 +139,18 @@ struct drm_colorop {
*/
struct drm_property *type_property;
+ /**
+ * @bypass_property:
+ *
+ * Boolean property to control enablement of the color
+ * operation. Setting bypass to "true" shall always be supported
+ * in order to allow compositors to quickly fall back to
+ * alternate methods of color processing. This is important
+ * since setting color operations can fail due to unique
+ * HW constraints.
+ */
+ struct drm_property *bypass_property;
+
/**
* @curve_1d_type:
*
--
2.42.1
