+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2012 Red Hat
- * based in parts on udlfb.c:
- * Copyright (C) 2009 Roberto De Ioris <roberto@unbit.it>
- * Copyright (C) 2009 Jaya Kumar <jayakumar.lkml@gmail.com>
- * Copyright (C) 2009 Bernie Thompson <bernie@plugable.com>
- */
-
-#include <drm/drm_encoder.h>
-#include <drm/drm_modeset_helper_vtables.h>
-
-#include "udl_drv.h"
-
-/* dummy encoder */
-static void udl_enc_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
- kfree(encoder);
-}
-
-static void udl_encoder_disable(struct drm_encoder *encoder)
-{
-}
-
-static void udl_encoder_prepare(struct drm_encoder *encoder)
-{
-}
-
-static void udl_encoder_commit(struct drm_encoder *encoder)
-{
-}
-
-static void udl_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
-}
-
-static void
-udl_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
-}
-
-static const struct drm_encoder_helper_funcs udl_helper_funcs = {
- .dpms = udl_encoder_dpms,
- .prepare = udl_encoder_prepare,
- .mode_set = udl_encoder_mode_set,
- .commit = udl_encoder_commit,
- .disable = udl_encoder_disable,
-};
-
-static const struct drm_encoder_funcs udl_enc_funcs = {
- .destroy = udl_enc_destroy,
-};
-
-struct drm_encoder *udl_encoder_init(struct drm_device *dev)
-{
- struct drm_encoder *encoder;
-
- encoder = kzalloc(sizeof(struct drm_encoder), GFP_KERNEL);
- if (!encoder)
- return NULL;
-
- drm_encoder_init(dev, encoder, &udl_enc_funcs, DRM_MODE_ENCODER_TMDS,
- NULL);
- drm_encoder_helper_add(encoder, &udl_helper_funcs);
- encoder->possible_crtcs = 1;
- return encoder;
-}
*/
+#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_vblank.h>
#include "udl_drv.h"
+#define UDL_COLOR_DEPTH_16BPP 0
+
/*
* All DisplayLink bulk operations start with 0xAF, followed by specific code
* All operations are written to buffers which then later get sent to device
}
-#if 0
-static int
-udl_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb,
- int x, int y, enum mode_set_atomic state)
-{
- return 0;
-}
+/*
+ * Simple display pipeline
+ */
-static int
-udl_pipe_set_base(struct drm_crtc *crtc, int x, int y,
- struct drm_framebuffer *old_fb)
+static const uint32_t udl_simple_display_pipe_formats[] = {
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_XRGB8888,
+};
+
+static enum drm_mode_status
+udl_simple_display_pipe_mode_valid(struct drm_simple_display_pipe *pipe,
+ const struct drm_display_mode *mode)
{
- return 0;
+ return MODE_OK;
}
-#endif
-
-static int udl_crtc_mode_set(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode,
- int x, int y,
- struct drm_framebuffer *old_fb)
+static void
+udl_simple_display_pipe_enable(struct drm_simple_display_pipe *pipe,
+ struct drm_crtc_state *crtc_state,
+ struct drm_plane_state *plane_state)
{
+ struct drm_crtc *crtc = &pipe->crtc;
struct drm_device *dev = crtc->dev;
- struct drm_framebuffer *fb = crtc->primary->fb;
+ struct drm_framebuffer *fb = plane_state->fb;
struct udl_device *udl = dev->dev_private;
+ struct drm_display_mode *mode = &crtc_state->mode;
char *buf;
char *wrptr;
- int color_depth = 0;
+ int color_depth = UDL_COLOR_DEPTH_16BPP;
- udl->crtc = crtc;
+ crtc_state->no_vblank = true;
buf = (char *)udl->mode_buf;
- /* for now we just clip 24 -> 16 - if we fix that fix this */
- /*if (crtc->fb->bits_per_pixel != 16)
- color_depth = 1; */
-
/* This first section has to do with setting the base address on the
- * controller * associated with the display. There are 2 base
- * pointers, currently, we only * use the 16 bpp segment.
- */
+ * controller associated with the display. There are 2 base
+ * pointers, currently, we only use the 16 bpp segment.
+ */
wrptr = udl_vidreg_lock(buf);
wrptr = udl_set_color_depth(wrptr, color_depth);
/* set base for 16bpp segment to 0 */
/* set base for 8bpp segment to end of fb */
wrptr = udl_set_base8bpp(wrptr, 2 * mode->vdisplay * mode->hdisplay);
- wrptr = udl_set_vid_cmds(wrptr, adjusted_mode);
+ wrptr = udl_set_vid_cmds(wrptr, mode);
wrptr = udl_set_blank(wrptr, DRM_MODE_DPMS_ON);
wrptr = udl_vidreg_unlock(wrptr);
spin_unlock(&udl->active_fb_16_lock);
udl->mode_buf_len = wrptr - buf;
- /* damage all of it */
udl_handle_damage(fb, 0, 0, fb->width, fb->height);
- return 0;
-}
+ udl_crtc_dpms(&pipe->crtc, DRM_MODE_DPMS_ON);
+}
-static void udl_crtc_disable(struct drm_crtc *crtc)
+static void
+udl_simple_display_pipe_disable(struct drm_simple_display_pipe *pipe)
{
- udl_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+ udl_crtc_dpms(&pipe->crtc, DRM_MODE_DPMS_OFF);
}
-static void udl_crtc_destroy(struct drm_crtc *crtc)
+static int
+udl_simple_display_pipe_check(struct drm_simple_display_pipe *pipe,
+ struct drm_plane_state *plane_state,
+ struct drm_crtc_state *crtc_state)
{
- drm_crtc_cleanup(crtc);
- kfree(crtc);
+ return 0;
}
-static int udl_crtc_page_flip(struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- struct drm_pending_vblank_event *event,
- uint32_t page_flip_flags,
- struct drm_modeset_acquire_ctx *ctx)
+static void
+udl_simple_display_pipe_update(struct drm_simple_display_pipe *pipe,
+ struct drm_plane_state *old_plane_state)
{
- struct drm_device *dev = crtc->dev;
+ struct drm_device *dev = pipe->crtc.dev;
struct udl_device *udl = dev->dev_private;
+ struct drm_framebuffer *fb = pipe->plane.state->fb;
spin_lock(&udl->active_fb_16_lock);
udl->active_fb_16 = fb;
spin_unlock(&udl->active_fb_16_lock);
- udl_handle_damage(fb, 0, 0, fb->width, fb->height);
-
- spin_lock_irq(&dev->event_lock);
- if (event)
- drm_crtc_send_vblank_event(crtc, event);
- spin_unlock_irq(&dev->event_lock);
- crtc->primary->fb = fb;
-
- return 0;
-}
-
-static void udl_crtc_prepare(struct drm_crtc *crtc)
-{
-}
+ if (!fb)
+ return;
-static void udl_crtc_commit(struct drm_crtc *crtc)
-{
- udl_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
+ udl_handle_damage(fb, 0, 0, fb->width, fb->height);
}
-static const struct drm_crtc_helper_funcs udl_helper_funcs = {
- .dpms = udl_crtc_dpms,
- .mode_set = udl_crtc_mode_set,
- .prepare = udl_crtc_prepare,
- .commit = udl_crtc_commit,
- .disable = udl_crtc_disable,
-};
-
-static const struct drm_crtc_funcs udl_crtc_funcs = {
- .set_config = drm_crtc_helper_set_config,
- .destroy = udl_crtc_destroy,
- .page_flip = udl_crtc_page_flip,
+static const
+struct drm_simple_display_pipe_funcs udl_simple_display_pipe_funcs = {
+ .mode_valid = udl_simple_display_pipe_mode_valid,
+ .enable = udl_simple_display_pipe_enable,
+ .disable = udl_simple_display_pipe_disable,
+ .check = udl_simple_display_pipe_check,
+ .update = udl_simple_display_pipe_update,
+ .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
};
-static int udl_crtc_init(struct drm_device *dev)
-{
- struct drm_crtc *crtc;
-
- crtc = kzalloc(sizeof(struct drm_crtc) + sizeof(struct drm_connector *), GFP_KERNEL);
- if (crtc == NULL)
- return -ENOMEM;
-
- drm_crtc_init(dev, crtc, &udl_crtc_funcs);
- drm_crtc_helper_add(crtc, &udl_helper_funcs);
-
- return 0;
-}
+/*
+ * Modesetting
+ */
static const struct drm_mode_config_funcs udl_mode_funcs = {
.fb_create = udl_fb_user_fb_create,
+ .atomic_check = drm_atomic_helper_check,
+ .atomic_commit = drm_atomic_helper_commit,
};
int udl_modeset_init(struct drm_device *dev)
{
+ size_t format_count = ARRAY_SIZE(udl_simple_display_pipe_formats);
+ struct udl_device *udl = dev->dev_private;
struct drm_connector *connector;
- struct drm_encoder *encoder;
int ret;
drm_mode_config_init(dev);
goto err_drm_mode_config_cleanup;
}
- udl_crtc_init(dev);
+ format_count = ARRAY_SIZE(udl_simple_display_pipe_formats);
+
+ ret = drm_simple_display_pipe_init(dev, &udl->display_pipe,
+ &udl_simple_display_pipe_funcs,
+ udl_simple_display_pipe_formats,
+ format_count, NULL, connector);
+ if (ret)
+ goto err_drm_mode_config_cleanup;
- encoder = udl_encoder_init(dev);
- drm_connector_attach_encoder(connector, encoder);
+ drm_mode_config_reset(dev);
return 0;
void udl_modeset_restore(struct drm_device *dev)
{
struct udl_device *udl = dev->dev_private;
- struct drm_framebuffer *fb;
+ struct drm_crtc *crtc = &udl->display_pipe.crtc;
+ struct drm_plane *primary = &udl->display_pipe.plane;
+ struct drm_framebuffer *fb = primary->fb;
- if (!udl->crtc || !udl->crtc->primary->fb)
+ if (!fb)
return;
- udl_crtc_commit(udl->crtc);
- fb = udl->crtc->primary->fb;
+
+ udl_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
udl_handle_damage(fb, 0, 0, fb->width, fb->height);
}
projects / users / hch / xfs.git / commitdiff