diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_crtc.c | 137 |
1 files changed, 93 insertions, 44 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index dd0ef40ca469..cc85c16cbc2a 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -26,6 +26,16 @@ #include "omap_drv.h" +#define to_omap_crtc_state(x) container_of(x, struct omap_crtc_state, base) + +struct omap_crtc_state { + /* Must be first. */ + struct drm_crtc_state base; + /* Shadow values for legacy userspace support. */ + unsigned int rotation; + unsigned int zpos; +}; + #define to_omap_crtc(x) container_of(x, struct omap_crtc, base) struct omap_crtc { @@ -356,7 +366,8 @@ static void omap_crtc_arm_event(struct drm_crtc *crtc) } } -static void omap_crtc_enable(struct drm_crtc *crtc) +static void omap_crtc_atomic_enable(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); int ret; @@ -372,7 +383,8 @@ static void omap_crtc_enable(struct drm_crtc *crtc) spin_unlock_irq(&crtc->dev->event_lock); } -static void omap_crtc_disable(struct drm_crtc *crtc) +static void omap_crtc_atomic_disable(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); @@ -443,6 +455,8 @@ static void omap_crtc_mode_set_nofb(struct drm_crtc *crtc) static int omap_crtc_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) { + struct drm_plane_state *pri_state; + if (state->color_mgmt_changed && state->gamma_lut) { uint length = state->gamma_lut->length / sizeof(struct drm_color_lut); @@ -451,6 +465,16 @@ static int omap_crtc_atomic_check(struct drm_crtc *crtc, return -EINVAL; } + pri_state = drm_atomic_get_new_plane_state(state->state, crtc->primary); + if (pri_state) { + struct omap_crtc_state *omap_crtc_state = + to_omap_crtc_state(state); + + /* Mirror new values for zpos and rotation in omap_crtc_state */ + omap_crtc_state->zpos = pri_state->zpos; + omap_crtc_state->rotation = pri_state->rotation; + } + return 0; } @@ -496,39 +520,32 @@ static void omap_crtc_atomic_flush(struct drm_crtc *crtc, spin_unlock_irq(&crtc->dev->event_lock); } -static bool omap_crtc_is_plane_prop(struct drm_crtc *crtc, - struct drm_property *property) -{ - struct drm_device *dev = crtc->dev; - struct omap_drm_private *priv = dev->dev_private; - - return property == priv->zorder_prop || - property == crtc->primary->rotation_property; -} - static int omap_crtc_atomic_set_property(struct drm_crtc *crtc, struct drm_crtc_state *state, struct drm_property *property, uint64_t val) { - if (omap_crtc_is_plane_prop(crtc, property)) { - struct drm_plane_state *plane_state; - struct drm_plane *plane = crtc->primary; - - /* - * Delegate property set to the primary plane. Get the plane - * state and set the property directly. - */ - - plane_state = drm_atomic_get_plane_state(state->state, plane); - if (IS_ERR(plane_state)) - return PTR_ERR(plane_state); + struct omap_drm_private *priv = crtc->dev->dev_private; + struct drm_plane_state *plane_state; - return drm_atomic_plane_set_property(plane, plane_state, - property, val); - } + /* + * Delegate property set to the primary plane. Get the plane state and + * set the property directly, the shadow copy will be assigned in the + * omap_crtc_atomic_check callback. This way updates to plane state will + * always be mirrored in the crtc state correctly. + */ + plane_state = drm_atomic_get_plane_state(state->state, crtc->primary); + if (IS_ERR(plane_state)) + return PTR_ERR(plane_state); + + if (property == crtc->primary->rotation_property) + plane_state->rotation = val; + else if (property == priv->zorder_prop) + plane_state->zpos = val; + else + return -EINVAL; - return -EINVAL; + return 0; } static int omap_crtc_atomic_get_property(struct drm_crtc *crtc, @@ -536,28 +553,60 @@ static int omap_crtc_atomic_get_property(struct drm_crtc *crtc, struct drm_property *property, uint64_t *val) { - if (omap_crtc_is_plane_prop(crtc, property)) { - /* - * Delegate property get to the primary plane. The - * drm_atomic_plane_get_property() function isn't exported, but - * can be called through drm_object_property_get_value() as that - * will call drm_atomic_get_property() for atomic drivers. - */ - return drm_object_property_get_value(&crtc->primary->base, - property, val); - } + struct omap_drm_private *priv = crtc->dev->dev_private; + struct omap_crtc_state *omap_state = to_omap_crtc_state(state); + + if (property == crtc->primary->rotation_property) + *val = omap_state->rotation; + else if (property == priv->zorder_prop) + *val = omap_state->zpos; + else + return -EINVAL; + + return 0; +} + +static void omap_crtc_reset(struct drm_crtc *crtc) +{ + if (crtc->state) + __drm_atomic_helper_crtc_destroy_state(crtc->state); + + kfree(crtc->state); + crtc->state = kzalloc(sizeof(struct omap_crtc_state), GFP_KERNEL); + + if (crtc->state) + crtc->state->crtc = crtc; +} + +static struct drm_crtc_state * +omap_crtc_duplicate_state(struct drm_crtc *crtc) +{ + struct omap_crtc_state *state, *current_state; + + if (WARN_ON(!crtc->state)) + return NULL; + + current_state = to_omap_crtc_state(crtc->state); + + state = kmalloc(sizeof(*state), GFP_KERNEL); + if (!state) + return NULL; + + __drm_atomic_helper_crtc_duplicate_state(crtc, &state->base); + + state->zpos = current_state->zpos; + state->rotation = current_state->rotation; - return -EINVAL; + return &state->base; } static const struct drm_crtc_funcs omap_crtc_funcs = { - .reset = drm_atomic_helper_crtc_reset, + .reset = omap_crtc_reset, .set_config = drm_atomic_helper_set_config, .destroy = omap_crtc_destroy, .page_flip = drm_atomic_helper_page_flip, .gamma_set = drm_atomic_helper_legacy_gamma_set, - .set_property = drm_atomic_helper_crtc_set_property, - .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, + .atomic_duplicate_state = omap_crtc_duplicate_state, .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, .atomic_set_property = omap_crtc_atomic_set_property, .atomic_get_property = omap_crtc_atomic_get_property, @@ -567,11 +616,11 @@ static const struct drm_crtc_funcs omap_crtc_funcs = { static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = { .mode_set_nofb = omap_crtc_mode_set_nofb, - .disable = omap_crtc_disable, - .enable = omap_crtc_enable, .atomic_check = omap_crtc_atomic_check, .atomic_begin = omap_crtc_atomic_begin, .atomic_flush = omap_crtc_atomic_flush, + .atomic_enable = omap_crtc_atomic_enable, + .atomic_disable = omap_crtc_atomic_disable, }; /* ----------------------------------------------------------------------------- |