tinydrm.ko is going away so let's implement a connector.
Signed-off-by: Noralf Trønnes <nor...@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;
--
2.20.1
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