diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/rockchip_drm_vop.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 103 |
1 files changed, 46 insertions, 57 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 20a9c296d027..09a790c2f3a1 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd * Author:Mark Yao <mark.yao@rock-chips.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <drm/drm.h> @@ -315,24 +307,19 @@ static uint16_t scl_vop_cal_scale(enum scale_mode mode, uint32_t src, static void scl_vop_cal_scl_fac(struct vop *vop, const struct vop_win_data *win, uint32_t src_w, uint32_t src_h, uint32_t dst_w, - uint32_t dst_h, uint32_t pixel_format) + uint32_t dst_h, const struct drm_format_info *info) { uint16_t yrgb_hor_scl_mode, yrgb_ver_scl_mode; uint16_t cbcr_hor_scl_mode = SCALE_NONE; uint16_t cbcr_ver_scl_mode = SCALE_NONE; - int hsub = drm_format_horz_chroma_subsampling(pixel_format); - int vsub = drm_format_vert_chroma_subsampling(pixel_format); - const struct drm_format_info *info; bool is_yuv = false; - uint16_t cbcr_src_w = src_w / hsub; - uint16_t cbcr_src_h = src_h / vsub; + uint16_t cbcr_src_w = src_w / info->hsub; + uint16_t cbcr_src_h = src_h / info->vsub; uint16_t vsu_mode; uint16_t lb_mode; uint32_t val; int vskiplines; - info = drm_format_info(pixel_format); - if (info->is_yuv) is_yuv = true; @@ -831,8 +818,8 @@ static void vop_plane_atomic_update(struct drm_plane *plane, (state->rotation & DRM_MODE_REFLECT_X) ? 1 : 0); if (is_yuv) { - int hsub = drm_format_horz_chroma_subsampling(fb->format->format); - int vsub = drm_format_vert_chroma_subsampling(fb->format->format); + int hsub = fb->format->hsub; + int vsub = fb->format->vsub; int bpp = fb->format->cpp[1]; uv_obj = fb->obj[1]; @@ -856,7 +843,7 @@ static void vop_plane_atomic_update(struct drm_plane *plane, if (win->phy->scl) scl_vop_cal_scl_fac(vop, win, actual_w, actual_h, drm_rect_width(dest), drm_rect_height(dest), - fb->format->format); + fb->format); VOP_WIN_SET(vop, win, act_info, act_info); VOP_WIN_SET(vop, win, dsp_info, dsp_info); @@ -924,29 +911,17 @@ static void vop_plane_atomic_async_update(struct drm_plane *plane, struct drm_plane_state *new_state) { struct vop *vop = to_vop(plane->state->crtc); - struct drm_plane_state *plane_state; - - plane_state = plane->funcs->atomic_duplicate_state(plane); - plane_state->crtc_x = new_state->crtc_x; - plane_state->crtc_y = new_state->crtc_y; - plane_state->crtc_h = new_state->crtc_h; - plane_state->crtc_w = new_state->crtc_w; - plane_state->src_x = new_state->src_x; - plane_state->src_y = new_state->src_y; - plane_state->src_h = new_state->src_h; - plane_state->src_w = new_state->src_w; - - if (plane_state->fb != new_state->fb) - drm_atomic_set_fb_for_plane(plane_state, new_state->fb); - - swap(plane_state, plane->state); - - if (plane->state->fb && plane->state->fb != new_state->fb) { - drm_framebuffer_get(plane->state->fb); - WARN_ON(drm_crtc_vblank_get(plane->state->crtc) != 0); - drm_flip_work_queue(&vop->fb_unref_work, plane->state->fb); - set_bit(VOP_PENDING_FB_UNREF, &vop->pending); - } + struct drm_framebuffer *old_fb = plane->state->fb; + + plane->state->crtc_x = new_state->crtc_x; + plane->state->crtc_y = new_state->crtc_y; + plane->state->crtc_h = new_state->crtc_h; + plane->state->crtc_w = new_state->crtc_w; + plane->state->src_x = new_state->src_x; + plane->state->src_y = new_state->src_y; + plane->state->src_h = new_state->src_h; + plane->state->src_w = new_state->src_w; + swap(plane->state->fb, new_state->fb); if (vop->is_enabled) { rockchip_drm_psr_inhibit_get_state(new_state->state); @@ -955,9 +930,22 @@ static void vop_plane_atomic_async_update(struct drm_plane *plane, vop_cfg_done(vop); spin_unlock(&vop->reg_lock); rockchip_drm_psr_inhibit_put_state(new_state->state); - } - plane->funcs->atomic_destroy_state(plane, plane_state); + /* + * A scanout can still be occurring, so we can't drop the + * reference to the old framebuffer. To solve this we get a + * reference to old_fb and set a worker to release it later. + * FIXME: if we perform 500 async_update calls before the + * vblank, then we can have 500 different framebuffers waiting + * to be released. + */ + if (old_fb && plane->state->fb != old_fb) { + drm_framebuffer_get(old_fb); + WARN_ON(drm_crtc_vblank_get(plane->state->crtc) != 0); + drm_flip_work_queue(&vop->fb_unref_work, old_fb); + set_bit(VOP_PENDING_FB_UNREF, &vop->pending); + } + } } static const struct drm_plane_helper_funcs plane_helper_funcs = { @@ -1018,7 +1006,8 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc, struct vop *vop = to_vop(crtc); adjusted_mode->clock = - clk_round_rate(vop->dclk, mode->clock * 1000) / 1000; + DIV_ROUND_UP(clk_round_rate(vop->dclk, + adjusted_mode->clock * 1000), 1000); return true; } @@ -1222,17 +1211,6 @@ static void vop_crtc_destroy(struct drm_crtc *crtc) drm_crtc_cleanup(crtc); } -static void vop_crtc_reset(struct drm_crtc *crtc) -{ - if (crtc->state) - __drm_atomic_helper_crtc_destroy_state(crtc->state); - kfree(crtc->state); - - crtc->state = kzalloc(sizeof(struct rockchip_crtc_state), GFP_KERNEL); - if (crtc->state) - crtc->state->crtc = crtc; -} - static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc) { struct rockchip_crtc_state *rockchip_state; @@ -1254,6 +1232,17 @@ static void vop_crtc_destroy_state(struct drm_crtc *crtc, kfree(s); } +static void vop_crtc_reset(struct drm_crtc *crtc) +{ + struct rockchip_crtc_state *crtc_state = + kzalloc(sizeof(*crtc_state), GFP_KERNEL); + + if (crtc->state) + vop_crtc_destroy_state(crtc, crtc->state); + + __drm_atomic_helper_crtc_reset(crtc, &crtc_state->base); +} + #ifdef CONFIG_DRM_ANALOGIX_DP static struct drm_connector *vop_get_edp_connector(struct vop *vop) { |