summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/mediatek/mtk_drm_plane.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_plane.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_plane.c263
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;
-}