aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/drivers/gpu/drm/sysfb/ofdrm.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/sysfb/ofdrm.c')
-rw-r--r--drivers/gpu/drm/sysfb/ofdrm.c134
1 files changed, 5 insertions, 129 deletions
diff --git a/drivers/gpu/drm/sysfb/ofdrm.c b/drivers/gpu/drm/sysfb/ofdrm.c
index 29dbb69dd7ac..71e661ba9329 100644
--- a/drivers/gpu/drm/sysfb/ofdrm.c
+++ b/drivers/gpu/drm/sysfb/ofdrm.c
@@ -299,7 +299,7 @@ struct ofdrm_device {
void __iomem *cmap_base;
/* modesetting */
- uint32_t formats[8];
+ u32 formats[DRM_SYSFB_PLANE_NFORMATS(1)];
struct drm_plane primary_plane;
struct drm_crtc crtc;
struct drm_encoder encoder;
@@ -725,141 +725,17 @@ static void ofdrm_device_set_gamma(struct ofdrm_device *odev,
* Modesetting
*/
-static const uint64_t ofdrm_primary_plane_format_modifiers[] = {
- DRM_FORMAT_MOD_LINEAR,
- DRM_FORMAT_MOD_INVALID
+static const u64 ofdrm_primary_plane_format_modifiers[] = {
+ DRM_SYSFB_PLANE_FORMAT_MODIFIERS,
};
-static int ofdrm_primary_plane_helper_atomic_check(struct drm_plane *plane,
- struct drm_atomic_state *new_state)
-{
- struct drm_device *dev = plane->dev;
- struct drm_sysfb_device *sysfb = to_drm_sysfb_device(dev);
- struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(new_state, plane);
- struct drm_shadow_plane_state *new_shadow_plane_state =
- to_drm_shadow_plane_state(new_plane_state);
- struct drm_framebuffer *new_fb = new_plane_state->fb;
- struct drm_crtc *new_crtc = new_plane_state->crtc;
- struct drm_crtc_state *new_crtc_state = NULL;
- struct drm_sysfb_crtc_state *new_sysfb_crtc_state;
- int ret;
-
- if (new_crtc)
- new_crtc_state = drm_atomic_get_new_crtc_state(new_state, new_plane_state->crtc);
-
- ret = drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state,
- DRM_PLANE_NO_SCALING,
- DRM_PLANE_NO_SCALING,
- false, false);
- if (ret)
- return ret;
- else if (!new_plane_state->visible)
- return 0;
-
- if (new_fb->format != sysfb->fb_format) {
- void *buf;
-
- /* format conversion necessary; reserve buffer */
- buf = drm_format_conv_state_reserve(&new_shadow_plane_state->fmtcnv_state,
- sysfb->fb_pitch, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
- }
-
- new_crtc_state = drm_atomic_get_new_crtc_state(new_state, new_plane_state->crtc);
-
- new_sysfb_crtc_state = to_drm_sysfb_crtc_state(new_crtc_state);
- new_sysfb_crtc_state->format = new_fb->format;
-
- return 0;
-}
-
-static void ofdrm_primary_plane_helper_atomic_update(struct drm_plane *plane,
- struct drm_atomic_state *state)
-{
- struct drm_device *dev = plane->dev;
- struct drm_sysfb_device *sysfb = to_drm_sysfb_device(dev);
- struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane);
- struct drm_plane_state *old_plane_state = drm_atomic_get_old_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;
- unsigned int dst_pitch = sysfb->fb_pitch;
- const struct drm_format_info *dst_format = sysfb->fb_format;
- struct drm_atomic_helper_damage_iter iter;
- struct drm_rect damage;
- int ret, idx;
-
- ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE);
- if (ret)
- return;
-
- if (!drm_dev_enter(dev, &idx))
- goto out_drm_gem_fb_end_cpu_access;
-
- drm_atomic_helper_damage_iter_init(&iter, old_plane_state, plane_state);
- drm_atomic_for_each_plane_damage(&iter, &damage) {
- struct iosys_map dst = sysfb->fb_addr;
- struct drm_rect dst_clip = plane_state->dst;
-
- if (!drm_rect_intersect(&dst_clip, &damage))
- continue;
-
- iosys_map_incr(&dst, drm_fb_clip_offset(dst_pitch, dst_format, &dst_clip));
- drm_fb_blit(&dst, &dst_pitch, dst_format->format, shadow_plane_state->data, fb,
- &damage, &shadow_plane_state->fmtcnv_state);
- }
-
- drm_dev_exit(idx);
-out_drm_gem_fb_end_cpu_access:
- drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
-}
-
-static void ofdrm_primary_plane_helper_atomic_disable(struct drm_plane *plane,
- struct drm_atomic_state *state)
-{
- struct drm_device *dev = plane->dev;
- struct drm_sysfb_device *sysfb = to_drm_sysfb_device(dev);
- struct iosys_map dst = sysfb->fb_addr;
- struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane);
- void __iomem *dst_vmap = dst.vaddr_iomem; /* TODO: Use mapping abstraction */
- unsigned int dst_pitch = sysfb->fb_pitch;
- const struct drm_format_info *dst_format = sysfb->fb_format;
- struct drm_rect dst_clip;
- unsigned long lines, linepixels, i;
- int idx;
-
- drm_rect_init(&dst_clip,
- plane_state->src_x >> 16, plane_state->src_y >> 16,
- plane_state->src_w >> 16, plane_state->src_h >> 16);
-
- lines = drm_rect_height(&dst_clip);
- linepixels = drm_rect_width(&dst_clip);
-
- if (!drm_dev_enter(dev, &idx))
- return;
-
- /* Clear buffer to black if disabled */
- dst_vmap += drm_fb_clip_offset(dst_pitch, dst_format, &dst_clip);
- for (i = 0; i < lines; ++i) {
- memset_io(dst_vmap, 0, linepixels * dst_format->cpp[0]);
- dst_vmap += dst_pitch;
- }
-
- drm_dev_exit(idx);
-}
-
static const struct drm_plane_helper_funcs ofdrm_primary_plane_helper_funcs = {
- DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
- .atomic_check = ofdrm_primary_plane_helper_atomic_check,
- .atomic_update = ofdrm_primary_plane_helper_atomic_update,
- .atomic_disable = ofdrm_primary_plane_helper_atomic_disable,
+ DRM_SYSFB_PLANE_HELPER_FUNCS,
};
static const struct drm_plane_funcs ofdrm_primary_plane_funcs = {
- .update_plane = drm_atomic_helper_update_plane,
- .disable_plane = drm_atomic_helper_disable_plane,
+ DRM_SYSFB_PLANE_FUNCS,
.destroy = drm_plane_cleanup,
- DRM_GEM_SHADOW_PLANE_FUNCS,
};
static void ofdrm_crtc_helper_atomic_flush(struct drm_crtc *crtc, struct drm_atomic_state *state)