We want to be able to bypass each colorop at all times. Introduce a new BYPASS boolean property for this.
v5: - Drop TODO 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 b867bff49f67..419813be21b0 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -648,7 +648,9 @@ 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, @@ -668,6 +670,8 @@ 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 5b844daabd44..054e7f01151b 100644 --- a/drivers/gpu/drm/drm_colorop.c +++ b/drivers/gpu/drm/drm_colorop.c @@ -109,6 +109,17 @@ static int drm_colorop_init(struct drm_device *dev, struct drm_colorop *colorop, colorop->type_property, colorop->type); + /* bypass */ + 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); + return ret; } @@ -166,6 +177,7 @@ int drm_colorop_curve_1d_init(struct drm_device *dev, struct drm_colorop *coloro /* initialize 1D curve only attribute */ prop = drm_property_create_enum(dev, DRM_MODE_PROP_ATOMIC, "CURVE_1D_TYPE", enum_list, len); + if (!prop) return -ENOMEM; @@ -182,6 +194,8 @@ 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 * @@ -220,6 +234,7 @@ static void __drm_colorop_state_reset(struct drm_colorop_state *colorop_state, u64 val; colorop_state->colorop = colorop; + colorop_state->bypass = true; if (colorop->curve_1d_type_property) { drm_object_property_get_default_value(&colorop->base, diff --git a/include/drm/drm_colorop.h b/include/drm/drm_colorop.h index dd6943117461..7ecf4e3dca4f 100644 --- a/include/drm/drm_colorop.h +++ b/include/drm/drm_colorop.h @@ -72,6 +72,14 @@ struct drm_colorop_state { /* colorop properties */ + /** + * @bypass: + * + * True if colorop shall be bypassed. False if colorop is + * enabled. + */ + bool bypass; + /** * @curve_1d_type: * @@ -150,6 +158,18 @@ 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_property: * -- 2.46.0