diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 2d06c950e814..8dfbd57c42eb 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1607,6 +1607,17 @@ int dpu_crtc_vblank(struct drm_crtc *crtc, bool en) return 0; } +/** + * dpu_crtc_get_num_lm - Get mixer number in this CRTC pipeline + * @state: Pointer to drm crtc state object + */ +unsigned int dpu_crtc_get_num_lm(const struct drm_crtc_state *state) +{ + struct dpu_crtc_state *cstate = to_dpu_crtc_state(state); + + return cstate->num_mixers; +} + #ifdef CONFIG_DEBUG_FS static int _dpu_debugfs_status_show(struct seq_file *s, void *data) { diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h index 94392b9b9245..6eaba5696e8e 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h @@ -267,4 +267,6 @@ static inline enum dpu_crtc_client_type dpu_crtc_get_client_type( void dpu_crtc_frame_event_cb(struct drm_crtc *crtc, u32 event); +unsigned int dpu_crtc_get_num_lm(const struct drm_crtc_state *state); + #endif /* _DPU_CRTC_H_ */ diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index 9b7a8b46bfa9..d07a6ab6e7ee 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -826,8 +826,12 @@ static int dpu_plane_atomic_check_nosspp(struct drm_plane *plane, struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state); struct dpu_sw_pipe_cfg *pipe_cfg; struct dpu_sw_pipe_cfg *r_pipe_cfg; + struct dpu_sw_pipe_cfg init_pipe_cfg; struct drm_rect fb_rect = { 0 }; + const struct drm_display_mode *mode = &crtc_state->adjusted_mode; uint32_t max_linewidth; + u32 num_lm; + int stage_id, num_stages; min_scale = FRAC_16_16(1, MAX_UPSCALE_RATIO); max_scale = MAX_DOWNSCALE_RATIO << 16; @@ -850,13 +854,10 @@ static int dpu_plane_atomic_check_nosspp(struct drm_plane *plane, return -EINVAL; } - /* move the assignment here, to ease handling to another pairs later */ - pipe_cfg = &pstate->pipe_cfg[0]; - r_pipe_cfg = &pstate->pipe_cfg[1]; - /* state->src is 16.16, src_rect is not */ - drm_rect_fp_to_int(&pipe_cfg->src_rect, &new_plane_state->src); + num_lm = dpu_crtc_get_num_lm(crtc_state); - pipe_cfg->dst_rect = new_plane_state->dst; + /* state->src is 16.16, src_rect is not */ + drm_rect_fp_to_int(&init_pipe_cfg.src_rect, &new_plane_state->src); fb_rect.x2 = new_plane_state->fb->width; fb_rect.y2 = new_plane_state->fb->height; @@ -881,35 +882,94 @@ static int dpu_plane_atomic_check_nosspp(struct drm_plane *plane, max_linewidth = pdpu->catalog->caps->max_linewidth; - drm_rect_rotate(&pipe_cfg->src_rect, + drm_rect_rotate(&init_pipe_cfg.src_rect, new_plane_state->fb->width, new_plane_state->fb->height, new_plane_state->rotation); - if ((drm_rect_width(&pipe_cfg->src_rect) > max_linewidth) || - _dpu_plane_calc_clk(&crtc_state->adjusted_mode, pipe_cfg) > max_mdp_clk_rate) { - if (drm_rect_width(&pipe_cfg->src_rect) > 2 * max_linewidth) { - DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n", - DRM_RECT_ARG(&pipe_cfg->src_rect), max_linewidth); - return -E2BIG; + /* + * We have 1 mixer pair cfg for 1:1:1 and 2:2:1 topology, 2 mixer pair + * configs for left and right half screen in case of 4:4:2 topology. + * But we may have 2 rect to split wide plane that exceeds limit with 1 + * config for 2:2:1. So need to handle both wide plane splitting, and + * two halves of screen splitting for quad-pipe case. Check dest + * rectangle left/right clipping first, then check wide rectangle + * splitting in every half next. + */ + num_stages = (num_lm + 1) / 2; + /* iterate mixer configs for this plane, to separate left/right with the id */ + for (stage_id = 0; stage_id < num_stages; stage_id++) { + struct drm_rect mixer_rect = { + .x1 = stage_id * mode->hdisplay / num_stages, + .y1 = 0, + .x2 = (stage_id + 1) * mode->hdisplay / num_stages, + .y2 = mode->vdisplay + }; + int cfg_idx = stage_id * PIPES_PER_STAGE; + + pipe_cfg = &pstate->pipe_cfg[cfg_idx]; + r_pipe_cfg = &pstate->pipe_cfg[cfg_idx + 1]; + + drm_rect_fp_to_int(&pipe_cfg->src_rect, &new_plane_state->src); + pipe_cfg->dst_rect = new_plane_state->dst; + + DPU_DEBUG_PLANE(pdpu, "checking src " DRM_RECT_FMT + " vs clip window " DRM_RECT_FMT "\n", + DRM_RECT_ARG(&pipe_cfg->src_rect), + DRM_RECT_ARG(&mixer_rect)); + + /* + * If this plane does not fall into mixer rect, check next + * mixer rect. + */ + if (!drm_rect_clip_scaled(&pipe_cfg->src_rect, + &pipe_cfg->dst_rect, + &mixer_rect)) { + memset(pipe_cfg, 0, 2 * sizeof(struct dpu_sw_pipe_cfg)); + + continue; } - *r_pipe_cfg = *pipe_cfg; - pipe_cfg->src_rect.x2 = (pipe_cfg->src_rect.x1 + pipe_cfg->src_rect.x2) >> 1; - pipe_cfg->dst_rect.x2 = (pipe_cfg->dst_rect.x1 + pipe_cfg->dst_rect.x2) >> 1; - r_pipe_cfg->src_rect.x1 = pipe_cfg->src_rect.x2; - r_pipe_cfg->dst_rect.x1 = pipe_cfg->dst_rect.x2; - } else { - memset(r_pipe_cfg, 0, sizeof(*r_pipe_cfg)); - } + pipe_cfg->dst_rect.x1 -= mixer_rect.x1; + pipe_cfg->dst_rect.x2 -= mixer_rect.x1; - drm_rect_rotate_inv(&pipe_cfg->src_rect, - new_plane_state->fb->width, new_plane_state->fb->height, - new_plane_state->rotation); - if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) - drm_rect_rotate_inv(&r_pipe_cfg->src_rect, - new_plane_state->fb->width, new_plane_state->fb->height, + DPU_DEBUG_PLANE(pdpu, "Got clip src:" DRM_RECT_FMT " dst: " DRM_RECT_FMT "\n", + DRM_RECT_ARG(&pipe_cfg->src_rect), DRM_RECT_ARG(&pipe_cfg->dst_rect)); + + /* Split wide rect into 2 rect */ + if ((drm_rect_width(&pipe_cfg->src_rect) > max_linewidth) || + _dpu_plane_calc_clk(mode, pipe_cfg) > max_mdp_clk_rate) { + + if (drm_rect_width(&pipe_cfg->src_rect) > 2 * max_linewidth) { + DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n", + DRM_RECT_ARG(&pipe_cfg->src_rect), max_linewidth); + return -E2BIG; + } + + memcpy(r_pipe_cfg, pipe_cfg, sizeof(struct dpu_sw_pipe_cfg)); + pipe_cfg->src_rect.x2 = (pipe_cfg->src_rect.x1 + pipe_cfg->src_rect.x2) >> 1; + pipe_cfg->dst_rect.x2 = (pipe_cfg->dst_rect.x1 + pipe_cfg->dst_rect.x2) >> 1; + r_pipe_cfg->src_rect.x1 = pipe_cfg->src_rect.x2; + r_pipe_cfg->dst_rect.x1 = pipe_cfg->dst_rect.x2; + DPU_DEBUG_PLANE(pdpu, "Split wide plane into:" + DRM_RECT_FMT " and " DRM_RECT_FMT "\n", + DRM_RECT_ARG(&pipe_cfg->src_rect), + DRM_RECT_ARG(&r_pipe_cfg->src_rect)); + } else { + memset(r_pipe_cfg, 0, sizeof(struct dpu_sw_pipe_cfg)); + } + + drm_rect_rotate_inv(&pipe_cfg->src_rect, + new_plane_state->fb->width, + new_plane_state->fb->height, new_plane_state->rotation); + if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) + drm_rect_rotate_inv(&r_pipe_cfg->src_rect, + new_plane_state->fb->width, + new_plane_state->fb->height, + new_plane_state->rotation); + } + pstate->needs_qos_remap = drm_atomic_crtc_needs_modeset(crtc_state); return 0; @@ -985,20 +1045,17 @@ static int dpu_plane_atomic_check_sspp(struct drm_plane *plane, drm_atomic_get_new_plane_state(state, plane); struct dpu_plane *pdpu = to_dpu_plane(plane); struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state); - struct dpu_sw_pipe *pipe = &pstate->pipe[0]; - struct dpu_sw_pipe *r_pipe = &pstate->pipe[1]; - struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg[0]; - struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->pipe_cfg[1]; - int ret = 0; + struct dpu_sw_pipe *pipe; + struct dpu_sw_pipe_cfg *pipe_cfg; + int ret = 0, i; - ret = dpu_plane_atomic_check_pipe(pdpu, pipe, pipe_cfg, - &crtc_state->adjusted_mode, - new_plane_state); - if (ret) - return ret; - - if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) { - ret = dpu_plane_atomic_check_pipe(pdpu, r_pipe, r_pipe_cfg, + for (i = 0; i < PIPES_PER_PLANE; i++) { + pipe = &pstate->pipe[i]; + pipe_cfg = &pstate->pipe_cfg[i]; + if (!drm_rect_width(&pipe_cfg->src_rect)) + continue; + DPU_DEBUG_PLANE(pdpu, "pipe %d is in use, validate it\n", i); + ret = dpu_plane_atomic_check_pipe(pdpu, pipe, pipe_cfg, &crtc_state->adjusted_mode, new_plane_state); if (ret)