diff options
Diffstat (limited to 'drivers/gpu/drm/udl/udl_modeset.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_modeset.c | 157 |
1 files changed, 105 insertions, 52 deletions
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index 7f8bde89396d..62c07289680e 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -8,6 +8,7 @@ * Copyright (C) 2009 Bernie Thompson <bernie@plugable.com> */ +#include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_damage_helper.h> @@ -17,6 +18,7 @@ #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_modeset_helper_vtables.h> +#include <drm/drm_plane_helper.h> #include <drm/drm_probe_helper.h> #include <drm/drm_vblank.h> @@ -302,61 +304,96 @@ out_drm_gem_fb_end_cpu_access: } /* - * Simple display pipeline + * Primary plane */ -static const uint32_t udl_simple_display_pipe_formats[] = { +static const uint32_t udl_primary_plane_formats[] = { DRM_FORMAT_RGB565, DRM_FORMAT_XRGB8888, }; -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) +static const uint64_t udl_primary_plane_fmtmods[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID +}; + +static void udl_primary_plane_helper_atomic_update(struct drm_plane *plane, + struct drm_atomic_state *state) { - struct drm_crtc *crtc = &pipe->crtc; - struct drm_device *dev = crtc->dev; + struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane); + struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state); struct drm_framebuffer *fb = plane_state->fb; + struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane); + struct drm_rect rect; + + if (!fb) + return; /* no framebuffer; plane is disabled */ + + if (drm_atomic_helper_damage_merged(old_plane_state, plane_state, &rect)) + udl_handle_damage(fb, &shadow_plane_state->data[0], &rect); +} + +static const struct drm_plane_helper_funcs udl_primary_plane_helper_funcs = { + DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, + .atomic_check = drm_plane_helper_atomic_check, + .atomic_update = udl_primary_plane_helper_atomic_update, +}; + +static const struct drm_plane_funcs udl_primary_plane_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = drm_plane_cleanup, + DRM_GEM_SHADOW_PLANE_FUNCS, +}; + +/* + * CRTC + */ + +static int udl_crtc_helper_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *state) +{ + struct drm_crtc_state *new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + + return drm_atomic_helper_check_crtc_state(new_crtc_state, false); +} + +static void udl_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *state) +{ + struct drm_device *dev = crtc->dev; struct udl_device *udl = to_udl(dev); + struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); struct drm_display_mode *mode = &crtc_state->mode; - struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state); - struct drm_rect clip = DRM_RECT_INIT(0, 0, fb->width, fb->height); char *buf; char *wrptr; int color_depth = UDL_COLOR_DEPTH_16BPP; buf = (char *)udl->mode_buf; - /* 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. + /* + * 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. */ + wrptr = udl_vidreg_lock(buf); wrptr = udl_set_color_depth(wrptr, color_depth); /* set base for 16bpp segment to 0 */ wrptr = udl_set_base16bpp(wrptr, 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, mode); wrptr = udl_set_blank_mode(wrptr, UDL_BLANK_MODE_ON); wrptr = udl_vidreg_unlock(wrptr); - wrptr = udl_dummy_render(wrptr); udl->mode_buf_len = wrptr - buf; - udl_handle_damage(fb, &shadow_plane_state->data[0], &clip); - /* enable display */ udl_crtc_write_mode_to_hw(crtc); } -static void -udl_simple_display_pipe_disable(struct drm_simple_display_pipe *pipe) +static void udl_crtc_helper_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *state) { - struct drm_crtc *crtc = &pipe->crtc; struct drm_device *dev = crtc->dev; struct urb *urb; char *buf; @@ -374,27 +411,27 @@ udl_simple_display_pipe_disable(struct drm_simple_display_pipe *pipe) udl_submit_urb(dev, urb, buf - (char *)urb->transfer_buffer); } -static void -udl_simple_display_pipe_update(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *old_plane_state) -{ - struct drm_plane_state *state = pipe->plane.state; - struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(state); - struct drm_framebuffer *fb = state->fb; - struct drm_rect rect; +static const struct drm_crtc_helper_funcs udl_crtc_helper_funcs = { + .atomic_check = udl_crtc_helper_atomic_check, + .atomic_enable = udl_crtc_helper_atomic_enable, + .atomic_disable = udl_crtc_helper_atomic_disable, +}; - if (!fb) - return; +static const struct drm_crtc_funcs udl_crtc_funcs = { + .reset = drm_atomic_helper_crtc_reset, + .destroy = drm_crtc_cleanup, + .set_config = drm_atomic_helper_set_config, + .page_flip = drm_atomic_helper_page_flip, + .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, +}; - if (drm_atomic_helper_damage_merged(old_plane_state, state, &rect)) - udl_handle_damage(fb, &shadow_plane_state->data[0], &rect); -} +/* + * Encoder + */ -static const struct drm_simple_display_pipe_funcs udl_simple_display_pipe_funcs = { - .enable = udl_simple_display_pipe_enable, - .disable = udl_simple_display_pipe_disable, - .update = udl_simple_display_pipe_update, - DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS, +static const struct drm_encoder_funcs udl_encoder_funcs = { + .destroy = drm_encoder_cleanup, }; /* @@ -534,7 +571,7 @@ static enum drm_mode_status udl_mode_config_mode_valid(struct drm_device *dev, return MODE_OK; } -static const struct drm_mode_config_funcs udl_mode_funcs = { +static const struct drm_mode_config_funcs udl_mode_config_funcs = { .fb_create = drm_gem_fb_create_with_dirty, .mode_valid = udl_mode_config_mode_valid, .atomic_check = drm_atomic_helper_check, @@ -543,8 +580,10 @@ static const struct drm_mode_config_funcs udl_mode_funcs = { int udl_modeset_init(struct drm_device *dev) { - size_t format_count = ARRAY_SIZE(udl_simple_display_pipe_formats); struct udl_device *udl = to_udl(dev); + struct drm_plane *primary_plane; + struct drm_crtc *crtc; + struct drm_encoder *encoder; struct drm_connector *connector; int ret; @@ -554,28 +593,42 @@ int udl_modeset_init(struct drm_device *dev) dev->mode_config.min_width = 640; dev->mode_config.min_height = 480; - dev->mode_config.max_width = 2048; dev->mode_config.max_height = 2048; - - dev->mode_config.prefer_shadow = 0; dev->mode_config.preferred_depth = 16; + dev->mode_config.funcs = &udl_mode_config_funcs; + + primary_plane = &udl->primary_plane; + ret = drm_universal_plane_init(dev, primary_plane, 0, + &udl_primary_plane_funcs, + udl_primary_plane_formats, + ARRAY_SIZE(udl_primary_plane_formats), + udl_primary_plane_fmtmods, + DRM_PLANE_TYPE_PRIMARY, NULL); + if (ret) + return ret; + drm_plane_helper_add(primary_plane, &udl_primary_plane_helper_funcs); + drm_plane_enable_fb_damage_clips(primary_plane); + + crtc = &udl->crtc; + ret = drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL, + &udl_crtc_funcs, NULL); + if (ret) + return ret; + drm_crtc_helper_add(crtc, &udl_crtc_helper_funcs); - dev->mode_config.funcs = &udl_mode_funcs; + encoder = &udl->encoder; + ret = drm_encoder_init(dev, encoder, &udl_encoder_funcs, DRM_MODE_ENCODER_DAC, NULL); + if (ret) + return ret; + encoder->possible_crtcs = drm_crtc_mask(crtc); connector = udl_connector_init(dev); if (IS_ERR(connector)) return PTR_ERR(connector); - - 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); + ret = drm_connector_attach_encoder(connector, encoder); if (ret) return ret; - drm_plane_enable_fb_damage_clips(&udl->display_pipe.plane); drm_mode_config_reset(dev); |