diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_dpi.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_dpi.c | 111 |
1 files changed, 66 insertions, 45 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c index 7cb6595c1894..c748b8790de3 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c @@ -20,26 +20,24 @@ #include <video/of_videomode.h> #include <video/videomode.h> -#include "exynos_drm_drv.h" +#include "exynos_drm_crtc.h" struct exynos_dpi { - struct exynos_drm_display display; + struct drm_encoder encoder; struct device *dev; struct device_node *panel_node; struct drm_panel *panel; struct drm_connector connector; - struct drm_encoder *encoder; struct videomode *vm; - int dpms_mode; }; #define connector_to_dpi(c) container_of(c, struct exynos_dpi, connector) -static inline struct exynos_dpi *display_to_dpi(struct exynos_drm_display *d) +static inline struct exynos_dpi *encoder_to_dpi(struct drm_encoder *e) { - return container_of(d, struct exynos_dpi, display); + return container_of(e, struct exynos_dpi, encoder); } static enum drm_connector_status @@ -99,7 +97,7 @@ exynos_dpi_best_encoder(struct drm_connector *connector) { struct exynos_dpi *ctx = connector_to_dpi(connector); - return ctx->encoder; + return &ctx->encoder; } static struct drm_connector_helper_funcs exynos_dpi_connector_helper_funcs = { @@ -107,15 +105,12 @@ static struct drm_connector_helper_funcs exynos_dpi_connector_helper_funcs = { .best_encoder = exynos_dpi_best_encoder, }; -static int exynos_dpi_create_connector(struct exynos_drm_display *display, - struct drm_encoder *encoder) +static int exynos_dpi_create_connector(struct drm_encoder *encoder) { - struct exynos_dpi *ctx = display_to_dpi(display); + struct exynos_dpi *ctx = encoder_to_dpi(encoder); struct drm_connector *connector = &ctx->connector; int ret; - ctx->encoder = encoder; - connector->polled = DRM_CONNECTOR_POLL_HPD; ret = drm_connector_init(encoder->dev, connector, @@ -133,46 +128,48 @@ static int exynos_dpi_create_connector(struct exynos_drm_display *display, return 0; } -static void exynos_dpi_poweron(struct exynos_dpi *ctx) +static bool exynos_dpi_mode_fixup(struct drm_encoder *encoder, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +static void exynos_dpi_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) { +} + +static void exynos_dpi_enable(struct drm_encoder *encoder) +{ + struct exynos_dpi *ctx = encoder_to_dpi(encoder); + if (ctx->panel) { drm_panel_prepare(ctx->panel); drm_panel_enable(ctx->panel); } } -static void exynos_dpi_poweroff(struct exynos_dpi *ctx) +static void exynos_dpi_disable(struct drm_encoder *encoder) { + struct exynos_dpi *ctx = encoder_to_dpi(encoder); + if (ctx->panel) { drm_panel_disable(ctx->panel); drm_panel_unprepare(ctx->panel); } } -static void exynos_dpi_dpms(struct exynos_drm_display *display, int mode) -{ - struct exynos_dpi *ctx = display_to_dpi(display); - - switch (mode) { - case DRM_MODE_DPMS_ON: - if (ctx->dpms_mode != DRM_MODE_DPMS_ON) - exynos_dpi_poweron(ctx); - break; - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - case DRM_MODE_DPMS_OFF: - if (ctx->dpms_mode == DRM_MODE_DPMS_ON) - exynos_dpi_poweroff(ctx); - break; - default: - break; - } - ctx->dpms_mode = mode; -} +static struct drm_encoder_helper_funcs exynos_dpi_encoder_helper_funcs = { + .mode_fixup = exynos_dpi_mode_fixup, + .mode_set = exynos_dpi_mode_set, + .enable = exynos_dpi_enable, + .disable = exynos_dpi_disable, +}; -static struct exynos_drm_display_ops exynos_dpi_display_ops = { - .create_connector = exynos_dpi_create_connector, - .dpms = exynos_dpi_dpms +static struct drm_encoder_funcs exynos_dpi_encoder_funcs = { + .destroy = drm_encoder_cleanup, }; /* of_* functions will be removed after merge of of_graph patches */ @@ -299,7 +296,34 @@ static int exynos_dpi_parse_dt(struct exynos_dpi *ctx) return 0; } -struct exynos_drm_display *exynos_dpi_probe(struct device *dev) +int exynos_dpi_bind(struct drm_device *dev, struct drm_encoder *encoder) +{ + int ret; + + ret = exynos_drm_crtc_get_pipe_from_type(dev, EXYNOS_DISPLAY_TYPE_LCD); + if (ret < 0) + return ret; + + encoder->possible_crtcs = 1 << ret; + + DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs); + + drm_encoder_init(dev, encoder, &exynos_dpi_encoder_funcs, + DRM_MODE_ENCODER_TMDS); + + drm_encoder_helper_add(encoder, &exynos_dpi_encoder_helper_funcs); + + ret = exynos_dpi_create_connector(encoder); + if (ret) { + DRM_ERROR("failed to create connector ret = %d\n", ret); + drm_encoder_cleanup(encoder); + return ret; + } + + return 0; +} + +struct drm_encoder *exynos_dpi_probe(struct device *dev) { struct exynos_dpi *ctx; int ret; @@ -308,10 +332,7 @@ struct exynos_drm_display *exynos_dpi_probe(struct device *dev) if (!ctx) return ERR_PTR(-ENOMEM); - ctx->display.type = EXYNOS_DISPLAY_TYPE_LCD; - ctx->display.ops = &exynos_dpi_display_ops; ctx->dev = dev; - ctx->dpms_mode = DRM_MODE_DPMS_OFF; ret = exynos_dpi_parse_dt(ctx); if (ret < 0) { @@ -325,14 +346,14 @@ struct exynos_drm_display *exynos_dpi_probe(struct device *dev) return ERR_PTR(-EPROBE_DEFER); } - return &ctx->display; + return &ctx->encoder; } -int exynos_dpi_remove(struct exynos_drm_display *display) +int exynos_dpi_remove(struct drm_encoder *encoder) { - struct exynos_dpi *ctx = display_to_dpi(display); + struct exynos_dpi *ctx = encoder_to_dpi(encoder); - exynos_dpi_dpms(&ctx->display, DRM_MODE_DPMS_OFF); + exynos_dpi_disable(&ctx->encoder); if (ctx->panel) drm_panel_detach(ctx->panel); |