Use devm_drm_dev_init(), devm_drm_dev_register_with_fbdev() and drop
using tinydrm_device.
Signed-off-by: Noralf Trønnes <nor...@tronnes.org>
---
drivers/gpu/drm/tinydrm/repaper.c | 63 ++++++++++++++++++++-----------
1 file changed, 40 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/tinydrm/repaper.c
b/drivers/gpu/drm/tinydrm/repaper.c
index 3141241ca8f0..4c8205565668 100644
--- a/drivers/gpu/drm/tinydrm/repaper.c
+++ b/drivers/gpu/drm/tinydrm/repaper.c
@@ -34,7 +34,7 @@
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_rect.h>
#include <drm/drm_vblank.h>
-#include <drm/tinydrm/tinydrm.h>
+#include <drm/drm_simple_kms_helper.h>
#include <drm/tinydrm/tinydrm-helpers.h>
#define REPAPER_RID_G2_COG_ID 0x12
@@ -60,7 +60,8 @@ enum repaper_epd_border_byte {
};
struct repaper_epd {
- struct tinydrm_device tinydrm;
+ struct drm_device base;
+ struct drm_simple_display_pipe pipe;
struct spi_device *spi;
struct gpio_desc *panel_on;
@@ -89,10 +90,9 @@ struct repaper_epd {
bool partial;
};
-static inline struct repaper_epd *
-epd_from_tinydrm(struct tinydrm_device *tdev)
+static inline struct repaper_epd *drm_to_epd(struct drm_device *drm)
{
- return container_of(tdev, struct repaper_epd, tinydrm);
+ return container_of(drm, struct repaper_epd, base);
}
static int repaper_spi_transfer(struct spi_device *spi, u8 header,
@@ -530,8 +530,7 @@ static int repaper_fb_dirty(struct drm_framebuffer *fb)
{
struct drm_gem_cma_object *cma_obj = drm_fb_cma_get_gem_obj(fb, 0);
struct dma_buf_attachment *import_attach = cma_obj->base.import_attach;
- struct tinydrm_device *tdev = fb->dev->dev_private;
- struct repaper_epd *epd = epd_from_tinydrm(tdev);
+ struct repaper_epd *epd = drm_to_epd(fb->dev);
struct drm_rect clip;
u8 *buf = NULL;
int ret = 0;
@@ -646,8 +645,7 @@ static void repaper_pipe_enable(struct
drm_simple_display_pipe *pipe,
struct drm_crtc_state *crtc_state,
struct drm_plane_state *plane_state)
{
- struct tinydrm_device *tdev = pipe_to_tinydrm(pipe);
- struct repaper_epd *epd = epd_from_tinydrm(tdev);
+ struct repaper_epd *epd = drm_to_epd(pipe->crtc.dev);
struct spi_device *spi = epd->spi;
struct device *dev = &spi->dev;
bool dc_ok = false;
@@ -781,8 +779,7 @@ static void repaper_pipe_enable(struct
drm_simple_display_pipe *pipe,
static void repaper_pipe_disable(struct drm_simple_display_pipe *pipe)
{
- struct tinydrm_device *tdev = pipe_to_tinydrm(pipe);
- struct repaper_epd *epd = epd_from_tinydrm(tdev);
+ struct repaper_epd *epd = drm_to_epd(pipe->crtc.dev);
struct spi_device *spi = epd->spi;
unsigned int line;
@@ -856,6 +853,23 @@ static const struct drm_simple_display_pipe_funcs
repaper_pipe_funcs = {
.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
};
+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,
+ .atomic_commit = drm_atomic_helper_commit,
+};
+
+static void repaper_release(struct drm_device *drm)
+{
+ struct repaper_epd *epd = drm_to_epd(drm);
+
+ DRM_DEBUG_DRIVER("\n");
+
+ drm_mode_config_cleanup(drm);
+ drm_dev_fini(drm);
+ kfree(epd);
+}
+
static const uint32_t repaper_formats[] = {
DRM_FORMAT_XRGB8888,
};
@@ -894,6 +908,7 @@ static struct drm_driver repaper_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME |
DRIVER_ATOMIC,
.fops = &repaper_fops,
+ .release = repaper_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.name = "repaper",
.desc = "Pervasive Displays RePaper e-ink panels",
@@ -927,7 +942,6 @@ static int repaper_probe(struct spi_device *spi)
const struct of_device_id *match;
struct drm_connector *connector;
struct device *dev = &spi->dev;
- struct tinydrm_device *tdev;
enum repaper_model model;
const char *thermal_zone;
struct repaper_epd *epd;
@@ -952,10 +966,20 @@ static int repaper_probe(struct spi_device *spi)
}
}
- epd = devm_kzalloc(dev, sizeof(*epd), GFP_KERNEL);
+ epd = kzalloc(sizeof(*epd), GFP_KERNEL);
if (!epd)
return -ENOMEM;
+ drm = &epd->base;
+ ret = devm_drm_dev_init(dev, drm, &repaper_driver);
+ if (ret) {
+ kfree(epd);
+ return ret;
+ }
+
+ drm_mode_config_init(drm);
+ drm->mode_config.funcs = &repaper_mode_config_funcs;
+
epd->spi = spi;
epd->panel_on = devm_gpiod_get(dev, "panel-on", GPIOD_OUT_LOW);
@@ -1066,32 +1090,25 @@ static int repaper_probe(struct spi_device *spi)
if (!epd->current_frame)
return -ENOMEM;
- tdev = &epd->tinydrm;
-
- ret = devm_tinydrm_init(dev, tdev, &repaper_driver);
- if (ret)
- return ret;
-
- drm = tdev->drm;
connector = drm_simple_connector_create(drm,
DRM_MODE_CONNECTOR_VIRTUAL, mode, 0);
if (IS_ERR(connector))
return PTR_ERR(connector);
- ret = drm_simple_display_pipe_init(drm, &tdev->pipe,
&repaper_pipe_funcs,
+ ret = drm_simple_display_pipe_init(drm, &epd->pipe, &repaper_pipe_funcs,
repaper_formats,
ARRAY_SIZE(repaper_formats),
NULL, connector);
if (ret)
return ret;
drm_simple_connector_set_mode_config(connector);
- drm_mode_config_reset(tdev->drm);
+ drm_mode_config_reset(drm);
spi_set_drvdata(spi, drm);
DRM_DEBUG_DRIVER("SPI speed: %uMHz\n", spi->max_speed_hz / 1000000);
- return devm_tinydrm_register(tdev);
+ return devm_drm_dev_register_with_fbdev(drm, 0);
}
static void repaper_shutdown(struct spi_device *spi)
--
2.20.1
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