tinydrm.ko is going away so let's implement a connector.
Reviewed-by: Sam Ravnborg sam@ravnborg.org Signed-off-by: Noralf Trønnes noralf@tronnes.org --- drivers/gpu/drm/tinydrm/repaper.c | 58 ++++++++++++++++++++++++++++--- 1 file changed, 53 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/tinydrm/repaper.c b/drivers/gpu/drm/tinydrm/repaper.c index 40afa66107e5..76d179200775 100644 --- a/drivers/gpu/drm/tinydrm/repaper.c +++ b/drivers/gpu/drm/tinydrm/repaper.c @@ -23,6 +23,7 @@ #include <linux/thermal.h>
#include <drm/drm_atomic_helper.h> +#include <drm/drm_connector.h> #include <drm/drm_damage_helper.h> #include <drm/drm_drv.h> #include <drm/drm_fb_cma_helper.h> @@ -30,10 +31,11 @@ #include <drm/drm_format_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_modes.h> #include <drm/drm_rect.h> #include <drm/drm_vblank.h> +#include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> -#include <drm/tinydrm/tinydrm-helpers.h>
#define REPAPER_RID_G2_COG_ID 0x12
@@ -60,6 +62,8 @@ enum repaper_epd_border_byte { struct repaper_epd { struct drm_device drm; struct drm_simple_display_pipe pipe; + const struct drm_display_mode *mode; + struct drm_connector connector; struct spi_device *spi;
struct gpio_desc *panel_on; @@ -873,6 +877,39 @@ static const struct drm_simple_display_pipe_funcs repaper_pipe_funcs = { .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb, };
+static int repaper_connector_get_modes(struct drm_connector *connector) +{ + struct repaper_epd *epd = drm_to_epd(connector->dev); + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, epd->mode); + if (!mode) { + DRM_ERROR("Failed to duplicate mode\n"); + return 0; + } + + drm_mode_set_name(mode); + mode->type |= DRM_MODE_TYPE_PREFERRED; + drm_mode_probed_add(connector, mode); + + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + + return 1; +} + +static const struct drm_connector_helper_funcs repaper_connector_hfuncs = { + .get_modes = repaper_connector_get_modes, +}; + +static const struct drm_connector_funcs repaper_connector_funcs = { + .reset = drm_atomic_helper_connector_reset, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = drm_connector_cleanup, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, +}; + static const struct drm_mode_config_funcs repaper_mode_config_funcs = { .fb_create = drm_gem_fb_create_with_dirty, .atomic_check = drm_atomic_helper_check, @@ -1095,6 +1132,7 @@ static int repaper_probe(struct spi_device *spi) return -ENODEV; }
+ epd->mode = mode; epd->width = mode->hdisplay; epd->height = mode->vdisplay; epd->factored_stage_time = epd->stage_time; @@ -1109,10 +1147,20 @@ static int repaper_probe(struct spi_device *spi) if (!epd->current_frame) return -ENOMEM;
- ret = tinydrm_display_pipe_init(drm, &epd->pipe, &repaper_pipe_funcs, - DRM_MODE_CONNECTOR_SPI, - repaper_formats, - ARRAY_SIZE(repaper_formats), mode, 0); + drm->mode_config.min_width = mode->hdisplay; + drm->mode_config.max_width = mode->hdisplay; + drm->mode_config.min_height = mode->vdisplay; + drm->mode_config.max_height = mode->vdisplay; + + drm_connector_helper_add(&epd->connector, &repaper_connector_hfuncs); + ret = drm_connector_init(drm, &epd->connector, &repaper_connector_funcs, + DRM_MODE_CONNECTOR_SPI); + if (ret) + return ret; + + ret = drm_simple_display_pipe_init(drm, &epd->pipe, &repaper_pipe_funcs, + repaper_formats, ARRAY_SIZE(repaper_formats), + NULL, &epd->connector); if (ret) return ret;