return err;
}
+/* Get current available scaler from the component->supported_outputs */
+static struct komeda_scaler *
+komeda_component_get_avail_scaler(struct komeda_component *c,
+ struct drm_atomic_state *state)
+{
+ struct komeda_pipeline_state *pipe_st;
+ u32 avail_scalers;
+
+ pipe_st = komeda_pipeline_get_state(c->pipeline, state);
+ if (!pipe_st)
+ return NULL;
+
+ avail_scalers = (pipe_st->active_comps & KOMEDA_PIPELINE_SCALERS) ^
+ KOMEDA_PIPELINE_SCALERS;
+
+ c = komeda_component_pickup_output(c, avail_scalers);
+
+ return to_scaler(c);
+}
+
static int
komeda_layer_check_cfg(struct komeda_layer *layer,
- struct komeda_plane_state *kplane_st,
+ struct komeda_fb *kfb,
struct komeda_data_flow_cfg *dflow)
{
- if (!in_range(&layer->hsize_in, dflow->in_w)) {
- DRM_DEBUG_ATOMIC("src_w: %d is out of range.\n", dflow->in_w);
+ u32 hsize_in, vsize_in;
+
+ if (!komeda_fb_is_layer_supported(kfb, layer->layer_type, dflow->rot))
+ return -EINVAL;
+
+ if (komeda_fb_check_src_coords(kfb, dflow->in_x, dflow->in_y,
+ dflow->in_w, dflow->in_h))
+ return -EINVAL;
+
+ if (layer->base.id == KOMEDA_COMPONENT_WB_LAYER) {
+ hsize_in = dflow->out_w;
+ vsize_in = dflow->out_h;
+ } else {
+ hsize_in = dflow->in_w;
+ vsize_in = dflow->in_h;
+ }
+
+ if (!in_range(&layer->hsize_in, hsize_in)) {
+ DRM_DEBUG_ATOMIC("invalidate src_w %d.\n", hsize_in);
return -EINVAL;
}
- if (!in_range(&layer->vsize_in, dflow->in_h)) {
- DRM_DEBUG_ATOMIC("src_h: %d is out of range.\n", dflow->in_h);
+ if (!in_range(&layer->vsize_in, vsize_in)) {
+ DRM_DEBUG_ATOMIC("invalidate src_h %d.\n", vsize_in);
return -EINVAL;
}
struct komeda_layer_state *st;
int i, err;
- err = komeda_layer_check_cfg(layer, kplane_st, dflow);
+ err = komeda_layer_check_cfg(layer, kfb, dflow);
if (err)
return err;
st = to_layer_st(c_st);
st->rot = dflow->rot;
- st->hsize = kfb->aligned_w;
- st->vsize = kfb->aligned_h;
+
+ if (fb->modifier) {
+ st->hsize = kfb->aligned_w;
+ st->vsize = kfb->aligned_h;
+ st->afbc_crop_l = dflow->in_x;
+ st->afbc_crop_r = kfb->aligned_w - dflow->in_x - dflow->in_w;
+ st->afbc_crop_t = dflow->in_y;
+ st->afbc_crop_b = kfb->aligned_h - dflow->in_y - dflow->in_h;
+ } else {
+ st->hsize = dflow->in_w;
+ st->vsize = dflow->in_h;
+ st->afbc_crop_l = 0;
+ st->afbc_crop_r = 0;
+ st->afbc_crop_t = 0;
+ st->afbc_crop_b = 0;
+ }
for (i = 0; i < fb->format->num_planes; i++)
st->addr[i] = komeda_fb_get_pixel_addr(kfb, dflow->in_x,
/* update the data flow for the next stage */
komeda_component_set_output(&dflow->input, &layer->base, 0);
+ /*
+ * The rotation has been handled by layer, so adjusted the data flow for
+ * the next stage.
+ */
+ if (drm_rotation_90_or_270(st->rot))
+ swap(dflow->in_h, dflow->in_w);
+
+ return 0;
+}
+
+static int
+komeda_wb_layer_validate(struct komeda_layer *wb_layer,
+ struct drm_connector_state *conn_st,
+ struct komeda_data_flow_cfg *dflow)
+{
+ struct komeda_fb *kfb = to_kfb(conn_st->writeback_job->fb);
+ struct komeda_component_state *c_st;
+ struct komeda_layer_state *st;
+ int i, err;
+
+ err = komeda_layer_check_cfg(wb_layer, kfb, dflow);
+ if (err)
+ return err;
+
+ c_st = komeda_component_get_state_and_set_user(&wb_layer->base,
+ conn_st->state, conn_st->connector, conn_st->crtc);
+ if (IS_ERR(c_st))
+ return PTR_ERR(c_st);
+
+ st = to_layer_st(c_st);
+
+ st->hsize = dflow->out_w;
+ st->vsize = dflow->out_h;
+
+ for (i = 0; i < kfb->base.format->num_planes; i++)
+ st->addr[i] = komeda_fb_get_pixel_addr(kfb, dflow->out_x,
+ dflow->out_y, i);
+
+ komeda_component_add_input(&st->base, &dflow->input, 0);
+ komeda_component_set_output(&dflow->input, &wb_layer->base, 0);
+
+ return 0;
+}
+
+static bool scaling_ratio_valid(u32 size_in, u32 size_out,
+ u32 max_upscaling, u32 max_downscaling)
+{
+ if (size_out > size_in * max_upscaling)
+ return false;
+ else if (size_in > size_out * max_downscaling)
+ return false;
+ return true;
+}
+
+static int
+komeda_scaler_check_cfg(struct komeda_scaler *scaler,
+ struct komeda_crtc_state *kcrtc_st,
+ struct komeda_data_flow_cfg *dflow)
+{
+ u32 hsize_in, vsize_in, hsize_out, vsize_out;
+ u32 max_upscaling;
+
+ hsize_in = dflow->in_w;
+ vsize_in = dflow->in_h;
+ hsize_out = dflow->out_w;
+ vsize_out = dflow->out_h;
+
+ if (!in_range(&scaler->hsize, hsize_in) ||
+ !in_range(&scaler->hsize, hsize_out)) {
+ DRM_DEBUG_ATOMIC("Invalid horizontal sizes");
+ return -EINVAL;
+ }
+
+ if (!in_range(&scaler->vsize, vsize_in) ||
+ !in_range(&scaler->vsize, vsize_out)) {
+ DRM_DEBUG_ATOMIC("Invalid vertical sizes");
+ return -EINVAL;
+ }
+
+ /* If input comes from compiz that means the scaling is for writeback
+ * and scaler can not do upscaling for writeback
+ */
+ if (has_bit(dflow->input.component->id, KOMEDA_PIPELINE_COMPIZS))
+ max_upscaling = 1;
+ else
+ max_upscaling = scaler->max_upscaling;
+
+ if (!scaling_ratio_valid(hsize_in, hsize_out, max_upscaling,
+ scaler->max_downscaling)) {
+ DRM_DEBUG_ATOMIC("Invalid horizontal scaling ratio");
+ return -EINVAL;
+ }
+
+ if (!scaling_ratio_valid(vsize_in, vsize_out, max_upscaling,
+ scaler->max_downscaling)) {
+ DRM_DEBUG_ATOMIC("Invalid vertical scaling ratio");
+ return -EINVAL;
+ }
+
+ if (hsize_in > hsize_out || vsize_in > vsize_out) {
+ struct komeda_pipeline *pipe = scaler->base.pipeline;
+ int err;
+
+ err = pipe->funcs->downscaling_clk_check(pipe,
+ &kcrtc_st->base.adjusted_mode,
+ komeda_calc_aclk(kcrtc_st), dflow);
+ if (err) {
+ DRM_DEBUG_ATOMIC("aclk can't satisfy the clock requirement of the downscaling\n");
+ return err;
+ }
+ }
+
return 0;
}
-static void pipeline_composition_size(struct komeda_crtc_state *kcrtc_st,
- u16 *hsize, u16 *vsize)
+static int
+komeda_scaler_validate(void *user,
+ struct komeda_crtc_state *kcrtc_st,
+ struct komeda_data_flow_cfg *dflow)
+{
+ struct drm_atomic_state *drm_st = kcrtc_st->base.state;
+ struct komeda_component_state *c_st;
+ struct komeda_scaler_state *st;
+ struct komeda_scaler *scaler;
+ int err = 0;
+
+ if (!(dflow->en_scaling || dflow->en_img_enhancement))
+ return 0;
+
+ scaler = komeda_component_get_avail_scaler(dflow->input.component,
+ drm_st);
+ if (!scaler) {
+ DRM_DEBUG_ATOMIC("No scaler available");
+ return -EINVAL;
+ }
+
+ err = komeda_scaler_check_cfg(scaler, kcrtc_st, dflow);
+ if (err)
+ return err;
+
+ c_st = komeda_component_get_state_and_set_user(&scaler->base,
+ drm_st, user, kcrtc_st->base.crtc);
+ if (IS_ERR(c_st))
+ return PTR_ERR(c_st);
+
+ st = to_scaler_st(c_st);
+
+ st->hsize_in = dflow->in_w;
+ st->vsize_in = dflow->in_h;
+ st->hsize_out = dflow->out_w;
+ st->vsize_out = dflow->out_h;
+
+ /* Enable alpha processing if the next stage needs the pixel alpha */
+ st->en_alpha = dflow->pixel_blend_mode != DRM_MODE_BLEND_PIXEL_NONE;
+ st->en_scaling = dflow->en_scaling;
+ st->en_img_enhancement = dflow->en_img_enhancement;
+
+ komeda_component_add_input(&st->base, &dflow->input, 0);
+ komeda_component_set_output(&dflow->input, &scaler->base, 0);
+ return err;
+}
+
+void pipeline_composition_size(struct komeda_crtc_state *kcrtc_st,
+ u16 *hsize, u16 *vsize)
{
struct drm_display_mode *m = &kcrtc_st->base.adjusted_mode;
return 0;
}
+void komeda_complete_data_flow_cfg(struct komeda_data_flow_cfg *dflow)
+{
+ u32 w = dflow->in_w;
+ u32 h = dflow->in_h;
+
+ if (drm_rotation_90_or_270(dflow->rot))
+ swap(w, h);
+
+ dflow->en_scaling = (w != dflow->out_w) || (h != dflow->out_h);
+}
+
int komeda_build_layer_data_flow(struct komeda_layer *layer,
struct komeda_plane_state *kplane_st,
struct komeda_crtc_state *kcrtc_st,
if (err)
return err;
+ err = komeda_scaler_validate(plane, kcrtc_st, dflow);
+ if (err)
+ return err;
+
err = komeda_compiz_set_input(pipe->compiz, kcrtc_st, dflow);
return err;
}
+/* writeback data path: compiz -> scaler -> wb_layer -> memory */
+int komeda_build_wb_data_flow(struct komeda_layer *wb_layer,
+ struct drm_connector_state *conn_st,
+ struct komeda_crtc_state *kcrtc_st,
+ struct komeda_data_flow_cfg *dflow)
+{
+ struct drm_connector *conn = conn_st->connector;
+ int err;
+
+ err = komeda_scaler_validate(conn, kcrtc_st, dflow);
+ if (err)
+ return err;
+
+ return komeda_wb_layer_validate(wb_layer, conn_st, dflow);
+}
+
/* build display output data flow, the data path is:
* compiz -> improc -> timing_ctrlr
*/
projects / linux.git / blobdiff