diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/chipone-icn6211.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/chipone-icn6211.c | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/drivers/gpu/drm/bridge/chipone-icn6211.c b/drivers/gpu/drm/bridge/chipone-icn6211.c index a6151db95586..d9b7f48b99fb 100644 --- a/drivers/gpu/drm/bridge/chipone-icn6211.c +++ b/drivers/gpu/drm/bridge/chipone-icn6211.c @@ -4,6 +4,7 @@ * Author: Jagan Teki <jagan@amarulasolutions.com> */ +#include <drm/drm_atomic_helper.h> #include <drm/drm_of.h> #include <drm/drm_print.h> #include <drm/drm_mipi_dsi.h> @@ -30,6 +31,7 @@ struct chipone { struct device *dev; struct drm_bridge bridge; + struct drm_display_mode mode; struct drm_bridge *panel_bridge; struct gpio_desc *enable_gpio; struct regulator *vdd1; @@ -42,11 +44,6 @@ static inline struct chipone *bridge_to_chipone(struct drm_bridge *bridge) return container_of(bridge, struct chipone, bridge); } -static struct drm_display_mode *bridge_to_mode(struct drm_bridge *bridge) -{ - return &bridge->encoder->crtc->state->adjusted_mode; -} - static inline int chipone_dsi_write(struct chipone *icn, const void *seq, size_t len) { @@ -61,10 +58,11 @@ static inline int chipone_dsi_write(struct chipone *icn, const void *seq, chipone_dsi_write(icn, d, ARRAY_SIZE(d)); \ } -static void chipone_enable(struct drm_bridge *bridge) +static void chipone_atomic_enable(struct drm_bridge *bridge, + struct drm_bridge_state *old_bridge_state) { struct chipone *icn = bridge_to_chipone(bridge); - struct drm_display_mode *mode = bridge_to_mode(bridge); + struct drm_display_mode *mode = &icn->mode; ICN6211_DSI(icn, 0x7a, 0xc1); @@ -114,7 +112,8 @@ static void chipone_enable(struct drm_bridge *bridge) usleep_range(10000, 11000); } -static void chipone_pre_enable(struct drm_bridge *bridge) +static void chipone_atomic_pre_enable(struct drm_bridge *bridge, + struct drm_bridge_state *old_bridge_state) { struct chipone *icn = bridge_to_chipone(bridge); int ret; @@ -145,7 +144,8 @@ static void chipone_pre_enable(struct drm_bridge *bridge) usleep_range(10000, 11000); } -static void chipone_post_disable(struct drm_bridge *bridge) +static void chipone_atomic_post_disable(struct drm_bridge *bridge, + struct drm_bridge_state *old_bridge_state) { struct chipone *icn = bridge_to_chipone(bridge); @@ -161,6 +161,15 @@ static void chipone_post_disable(struct drm_bridge *bridge) gpiod_set_value(icn->enable_gpio, 0); } +static void chipone_mode_set(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + const struct drm_display_mode *adjusted_mode) +{ + struct chipone *icn = bridge_to_chipone(bridge); + + drm_mode_copy(&icn->mode, adjusted_mode); +} + static int chipone_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { struct chipone *icn = bridge_to_chipone(bridge); @@ -169,16 +178,19 @@ static int chipone_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flag } static const struct drm_bridge_funcs chipone_bridge_funcs = { - .attach = chipone_attach, - .post_disable = chipone_post_disable, - .pre_enable = chipone_pre_enable, - .enable = chipone_enable, + .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, + .atomic_reset = drm_atomic_helper_bridge_reset, + .atomic_pre_enable = chipone_atomic_pre_enable, + .atomic_enable = chipone_atomic_enable, + .atomic_post_disable = chipone_atomic_post_disable, + .mode_set = chipone_mode_set, + .attach = chipone_attach, }; static int chipone_parse_dt(struct chipone *icn) { struct device *dev = icn->dev; - struct drm_panel *panel; int ret; icn->vdd1 = devm_regulator_get_optional(dev, "vdd1"); @@ -214,11 +226,7 @@ static int chipone_parse_dt(struct chipone *icn) return PTR_ERR(icn->enable_gpio); } - ret = drm_of_find_panel_or_bridge(dev->of_node, 1, 0, &panel, NULL); - if (ret) - return ret; - - icn->panel_bridge = devm_drm_panel_bridge_add(dev, panel); + icn->panel_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 1, 0); if (IS_ERR(icn->panel_bridge)) return PTR_ERR(icn->panel_bridge); |