diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_plane.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_plane.c | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c deleted file mode 100644 index b5582dcf564c..000000000000 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ /dev/null @@ -1,263 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (c) 2015 MediaTek Inc. - * Author: CK Hu <ck.hu@mediatek.com> - */ - -#include <drm/drm_atomic.h> -#include <drm/drm_atomic_helper.h> -#include <drm/drm_atomic_uapi.h> -#include <drm/drm_fourcc.h> -#include <drm/drm_gem_atomic_helper.h> -#include <drm/drm_plane_helper.h> - -#include "mtk_drm_crtc.h" -#include "mtk_drm_ddp_comp.h" -#include "mtk_drm_drv.h" -#include "mtk_drm_gem.h" -#include "mtk_drm_plane.h" - -static const u32 formats[] = { - DRM_FORMAT_XRGB8888, - DRM_FORMAT_ARGB8888, - DRM_FORMAT_BGRX8888, - DRM_FORMAT_BGRA8888, - DRM_FORMAT_ABGR8888, - DRM_FORMAT_XBGR8888, - DRM_FORMAT_RGB888, - DRM_FORMAT_BGR888, - DRM_FORMAT_RGB565, - DRM_FORMAT_UYVY, - DRM_FORMAT_YUYV, -}; - -static void mtk_plane_reset(struct drm_plane *plane) -{ - struct mtk_plane_state *state; - - if (plane->state) { - __drm_atomic_helper_plane_destroy_state(plane->state); - - state = to_mtk_plane_state(plane->state); - memset(state, 0, sizeof(*state)); - } else { - state = kzalloc(sizeof(*state), GFP_KERNEL); - if (!state) - return; - plane->state = &state->base; - } - - state->base.plane = plane; - state->pending.format = DRM_FORMAT_RGB565; -} - -static struct drm_plane_state *mtk_plane_duplicate_state(struct drm_plane *plane) -{ - struct mtk_plane_state *old_state = to_mtk_plane_state(plane->state); - struct mtk_plane_state *state; - - state = kzalloc(sizeof(*state), GFP_KERNEL); - if (!state) - return NULL; - - __drm_atomic_helper_plane_duplicate_state(plane, &state->base); - - WARN_ON(state->base.plane != plane); - - state->pending = old_state->pending; - - return &state->base; -} - -static void mtk_drm_plane_destroy_state(struct drm_plane *plane, - struct drm_plane_state *state) -{ - __drm_atomic_helper_plane_destroy_state(state); - kfree(to_mtk_plane_state(state)); -} - -static int mtk_plane_atomic_async_check(struct drm_plane *plane, - struct drm_atomic_state *state) -{ - struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, - plane); - struct drm_crtc_state *crtc_state; - int ret; - - if (plane != new_plane_state->crtc->cursor) - return -EINVAL; - - if (!plane->state) - return -EINVAL; - - if (!plane->state->fb) - return -EINVAL; - - ret = mtk_drm_crtc_plane_check(new_plane_state->crtc, plane, - to_mtk_plane_state(new_plane_state)); - if (ret) - return ret; - - if (state) - crtc_state = drm_atomic_get_existing_crtc_state(state, - new_plane_state->crtc); - else /* Special case for asynchronous cursor updates. */ - crtc_state = new_plane_state->crtc->state; - - return drm_atomic_helper_check_plane_state(plane->state, crtc_state, - DRM_PLANE_HELPER_NO_SCALING, - DRM_PLANE_HELPER_NO_SCALING, - true, true); -} - -static void mtk_plane_atomic_async_update(struct drm_plane *plane, - struct drm_atomic_state *state) -{ - struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, - plane); - struct mtk_plane_state *new_plane_state = to_mtk_plane_state(plane->state); - - 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); - new_plane_state->pending.async_dirty = true; - - mtk_drm_crtc_async_update(new_state->crtc, plane, state); -} - -static const struct drm_plane_funcs mtk_plane_funcs = { - .update_plane = drm_atomic_helper_update_plane, - .disable_plane = drm_atomic_helper_disable_plane, - .destroy = drm_plane_cleanup, - .reset = mtk_plane_reset, - .atomic_duplicate_state = mtk_plane_duplicate_state, - .atomic_destroy_state = mtk_drm_plane_destroy_state, -}; - -static int mtk_plane_atomic_check(struct drm_plane *plane, - struct drm_atomic_state *state) -{ - struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, - plane); - struct drm_framebuffer *fb = new_plane_state->fb; - struct drm_crtc_state *crtc_state; - int ret; - - if (!fb) - return 0; - - if (WARN_ON(!new_plane_state->crtc)) - return 0; - - ret = mtk_drm_crtc_plane_check(new_plane_state->crtc, plane, - to_mtk_plane_state(new_plane_state)); - if (ret) - return ret; - - crtc_state = drm_atomic_get_crtc_state(state, - new_plane_state->crtc); - if (IS_ERR(crtc_state)) - return PTR_ERR(crtc_state); - - return drm_atomic_helper_check_plane_state(new_plane_state, - crtc_state, - DRM_PLANE_HELPER_NO_SCALING, - DRM_PLANE_HELPER_NO_SCALING, - true, true); -} - -static void mtk_plane_atomic_disable(struct drm_plane *plane, - struct drm_atomic_state *state) -{ - struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, - plane); - struct mtk_plane_state *mtk_plane_state = to_mtk_plane_state(new_state); - mtk_plane_state->pending.enable = false; - wmb(); /* Make sure the above parameter is set before update */ - mtk_plane_state->pending.dirty = true; -} - -static void mtk_plane_atomic_update(struct drm_plane *plane, - struct drm_atomic_state *state) -{ - struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, - plane); - struct mtk_plane_state *mtk_plane_state = to_mtk_plane_state(new_state); - struct drm_crtc *crtc = new_state->crtc; - struct drm_framebuffer *fb = new_state->fb; - struct drm_gem_object *gem; - struct mtk_drm_gem_obj *mtk_gem; - unsigned int pitch, format; - dma_addr_t addr; - - if (!crtc || WARN_ON(!fb)) - return; - - if (!new_state->visible) { - mtk_plane_atomic_disable(plane, state); - return; - } - - gem = fb->obj[0]; - mtk_gem = to_mtk_gem_obj(gem); - addr = mtk_gem->dma_addr; - pitch = fb->pitches[0]; - format = fb->format->format; - - addr += (new_state->src.x1 >> 16) * fb->format->cpp[0]; - addr += (new_state->src.y1 >> 16) * pitch; - - mtk_plane_state->pending.enable = true; - mtk_plane_state->pending.pitch = pitch; - mtk_plane_state->pending.format = format; - mtk_plane_state->pending.addr = addr; - mtk_plane_state->pending.x = new_state->dst.x1; - mtk_plane_state->pending.y = new_state->dst.y1; - mtk_plane_state->pending.width = drm_rect_width(&new_state->dst); - mtk_plane_state->pending.height = drm_rect_height(&new_state->dst); - mtk_plane_state->pending.rotation = new_state->rotation; - wmb(); /* Make sure the above parameters are set before update */ - mtk_plane_state->pending.dirty = true; -} - -static const struct drm_plane_helper_funcs mtk_plane_helper_funcs = { - .prepare_fb = drm_gem_plane_helper_prepare_fb, - .atomic_check = mtk_plane_atomic_check, - .atomic_update = mtk_plane_atomic_update, - .atomic_disable = mtk_plane_atomic_disable, - .atomic_async_update = mtk_plane_atomic_async_update, - .atomic_async_check = mtk_plane_atomic_async_check, -}; - -int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, - unsigned long possible_crtcs, enum drm_plane_type type, - unsigned int supported_rotations) -{ - int err; - - err = drm_universal_plane_init(dev, plane, possible_crtcs, - &mtk_plane_funcs, formats, - ARRAY_SIZE(formats), NULL, type, NULL); - if (err) { - DRM_ERROR("failed to initialize plane\n"); - return err; - } - - if (supported_rotations & ~DRM_MODE_ROTATE_0) { - err = drm_plane_create_rotation_property(plane, - DRM_MODE_ROTATE_0, - supported_rotations); - if (err) - DRM_INFO("Create rotation property failed\n"); - } - - drm_plane_helper_add(plane, &mtk_plane_helper_funcs); - - return 0; -} |
