diff options
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358768.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/tc358768.c b/drivers/gpu/drm/bridge/tc358768.c index f65d57d9ff6f..f6373c6cdf89 100644 --- a/drivers/gpu/drm/bridge/tc358768.c +++ b/drivers/gpu/drm/bridge/tc358768.c @@ -9,6 +9,7 @@ #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/kernel.h> +#include <linux/media-bus-format.h> #include <linux/minmax.h> #include <linux/module.h> #include <linux/regmap.h> @@ -921,6 +922,44 @@ static void tc358768_bridge_enable(struct drm_bridge *bridge) } } +#define MAX_INPUT_SEL_FORMATS 1 + +static u32 * +tc358768_atomic_get_input_bus_fmts(struct drm_bridge *bridge, + struct drm_bridge_state *bridge_state, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state, + u32 output_fmt, + unsigned int *num_input_fmts) +{ + struct tc358768_priv *priv = bridge_to_tc358768(bridge); + u32 *input_fmts; + + *num_input_fmts = 0; + + input_fmts = kcalloc(MAX_INPUT_SEL_FORMATS, sizeof(*input_fmts), + GFP_KERNEL); + if (!input_fmts) + return NULL; + + switch (priv->pd_lines) { + case 16: + input_fmts[0] = MEDIA_BUS_FMT_RGB565_1X16; + break; + case 18: + input_fmts[0] = MEDIA_BUS_FMT_RGB666_1X18; + break; + default: + case 24: + input_fmts[0] = MEDIA_BUS_FMT_RGB888_1X24; + break; + }; + + *num_input_fmts = MAX_INPUT_SEL_FORMATS; + + return input_fmts; +} + static const struct drm_bridge_funcs tc358768_bridge_funcs = { .attach = tc358768_bridge_attach, .mode_valid = tc358768_bridge_mode_valid, @@ -928,6 +967,11 @@ static const struct drm_bridge_funcs tc358768_bridge_funcs = { .enable = tc358768_bridge_enable, .disable = tc358768_bridge_disable, .post_disable = tc358768_bridge_post_disable, + + .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_get_input_bus_fmts = tc358768_atomic_get_input_bus_fmts, }; static const struct drm_bridge_timings default_tc358768_timings = { |