#include <drm/drm.h>
#include <drm/drmP.h>
+#include <drm/drm_atomic.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_plane_helper.h>
#define to_vop(x) container_of(x, struct vop, crtc)
#define to_vop_win(x) container_of(x, struct vop_win, base)
+#define to_vop_plane_state(x) container_of(x, struct vop_plane_state, base)
-struct vop_win_state {
- struct list_head head;
- struct drm_framebuffer *fb;
+struct vop_plane_state {
+ struct drm_plane_state base;
+ int format;
+ struct drm_rect src;
+ struct drm_rect dest;
dma_addr_t yrgb_mst;
- struct drm_pending_vblank_event *event;
+ bool enable;
};
struct vop_win {
const struct vop_win_data *data;
struct vop *vop;
- struct list_head pending;
- struct vop_win_state *active;
+ struct vop_plane_state state;
};
struct vop {
struct drm_device *drm_dev;
bool is_enabled;
- int connector_type;
- int connector_out_mode;
-
/* mutex vsync_ work */
struct mutex vsync_mutex;
bool vsync_work_pending;
struct completion dsp_hold_completion;
+ struct completion wait_update_complete;
+ struct drm_pending_vblank_event *event;
const struct vop_data *data;
/* vop dclk reset */
struct reset_control *dclk_rst;
- int pipe;
-
struct vop_win win[];
};
struct vop_reg vact_st_end;
struct vop_reg hpost_st_end;
struct vop_reg vpost_st_end;
+
+ struct vop_reg cfg_done;
};
struct vop_scl_regs {
.vact_st_end = VOP_REG(DSP_VACT_ST_END, 0x1fff1fff, 0),
.hpost_st_end = VOP_REG(POST_DSP_HACT_INFO, 0x1fff1fff, 0),
.vpost_st_end = VOP_REG(POST_DSP_VACT_INFO, 0x1fff1fff, 0),
+ .cfg_done = VOP_REG(REG_CFG_DONE, 0x1, 0),
};
static const struct vop_reg_data vop_init_reg_table[] = {
.data = &rk3288_vop },
{},
};
+MODULE_DEVICE_TABLE(of, vop_driver_dt_match);
static inline void vop_writel(struct vop *vop, uint32_t offset, uint32_t v)
{
return (vop_readl(vop, base + reg->offset) >> reg->shift) & reg->mask;
}
-static inline void vop_cfg_done(struct vop *vop)
-{
- writel(0x01, vop->regs + REG_CFG_DONE);
-}
-
static inline void vop_mask_write(struct vop *vop, uint32_t offset,
uint32_t mask, uint32_t v)
{
}
}
+static inline void vop_cfg_done(struct vop *vop)
+{
+ VOP_CTRL_SET(vop, cfg_done, 1);
+}
+
static bool has_rb_swapped(uint32_t format)
{
switch (format) {
enable_irq(vop->irq);
- drm_vblank_on(vop->drm_dev, vop->pipe);
+ drm_crtc_vblank_on(crtc);
return;
clk_disable(vop->hclk);
}
-static void vop_disable(struct drm_crtc *crtc)
+static void vop_crtc_disable(struct drm_crtc *crtc)
{
struct vop *vop = to_vop(crtc);
if (!vop->is_enabled)
return;
- drm_vblank_off(crtc->dev, vop->pipe);
+ drm_crtc_vblank_off(crtc);
/*
* Vop standby will take effect at end of current frame,
pm_runtime_put(vop->dev);
}
-/*
- * Caller must hold vsync_mutex.
- */
-static struct drm_framebuffer *vop_win_last_pending_fb(struct vop_win *vop_win)
-{
- struct vop_win_state *last;
- struct vop_win_state *active = vop_win->active;
-
- if (list_empty(&vop_win->pending))
- return active ? active->fb : NULL;
-
- last = list_last_entry(&vop_win->pending, struct vop_win_state, head);
- return last ? last->fb : NULL;
-}
-
-/*
- * Caller must hold vsync_mutex.
- */
-static int vop_win_queue_fb(struct vop_win *vop_win,
- struct drm_framebuffer *fb, dma_addr_t yrgb_mst,
- struct drm_pending_vblank_event *event)
+static void vop_plane_destroy(struct drm_plane *plane)
{
- struct vop_win_state *state;
-
- state = kzalloc(sizeof(*state), GFP_KERNEL);
- if (!state)
- return -ENOMEM;
-
- state->fb = fb;
- state->yrgb_mst = yrgb_mst;
- state->event = event;
-
- list_add_tail(&state->head, &vop_win->pending);
-
- return 0;
+ drm_plane_cleanup(plane);
}
-static int vop_update_plane_event(struct drm_plane *plane,
- struct drm_crtc *crtc,
- struct drm_framebuffer *fb, int crtc_x,
- int crtc_y, unsigned int crtc_w,
- unsigned int crtc_h, uint32_t src_x,
- uint32_t src_y, uint32_t src_w,
- uint32_t src_h,
- struct drm_pending_vblank_event *event)
+static int vop_plane_atomic_check(struct drm_plane *plane,
+ struct drm_plane_state *state)
{
+ struct drm_crtc *crtc = state->crtc;
+ struct drm_framebuffer *fb = state->fb;
struct vop_win *vop_win = to_vop_win(plane);
+ struct vop_plane_state *vop_plane_state = to_vop_plane_state(state);
const struct vop_win_data *win = vop_win->data;
- struct vop *vop = to_vop(crtc);
- struct drm_gem_object *obj;
- struct rockchip_gem_object *rk_obj;
- struct drm_gem_object *uv_obj;
- struct rockchip_gem_object *rk_uv_obj;
- unsigned long offset;
- unsigned int actual_w;
- unsigned int actual_h;
- unsigned int dsp_stx;
- unsigned int dsp_sty;
- unsigned int y_vir_stride;
- unsigned int uv_vir_stride = 0;
- dma_addr_t yrgb_mst;
- dma_addr_t uv_mst = 0;
- enum vop_data_format format;
- uint32_t val;
- bool is_alpha;
- bool rb_swap;
- bool is_yuv;
bool visible;
int ret;
- struct drm_rect dest = {
- .x1 = crtc_x,
- .y1 = crtc_y,
- .x2 = crtc_x + crtc_w,
- .y2 = crtc_y + crtc_h,
- };
- struct drm_rect src = {
- /* 16.16 fixed point */
- .x1 = src_x,
- .y1 = src_y,
- .x2 = src_x + src_w,
- .y2 = src_y + src_h,
- };
- const struct drm_rect clip = {
- .x2 = crtc->mode.hdisplay,
- .y2 = crtc->mode.vdisplay,
- };
- bool can_position = plane->type != DRM_PLANE_TYPE_PRIMARY;
+ struct drm_rect *dest = &vop_plane_state->dest;
+ struct drm_rect *src = &vop_plane_state->src;
+ struct drm_rect clip;
int min_scale = win->phy->scl ? FRAC_16_16(1, 8) :
DRM_PLANE_HELPER_NO_SCALING;
int max_scale = win->phy->scl ? FRAC_16_16(8, 1) :
DRM_PLANE_HELPER_NO_SCALING;
- ret = drm_plane_helper_check_update(plane, crtc, fb,
- &src, &dest, &clip,
+ crtc = crtc ? crtc : plane->state->crtc;
+ /*
+ * Both crtc or plane->state->crtc can be null.
+ */
+ if (!crtc || !fb)
+ goto out_disable;
+ src->x1 = state->src_x;
+ src->y1 = state->src_y;
+ src->x2 = state->src_x + state->src_w;
+ src->y2 = state->src_y + state->src_h;
+ dest->x1 = state->crtc_x;
+ dest->y1 = state->crtc_y;
+ dest->x2 = state->crtc_x + state->crtc_w;
+ dest->y2 = state->crtc_y + state->crtc_h;
+
+ clip.x1 = 0;
+ clip.y1 = 0;
+ clip.x2 = crtc->mode.hdisplay;
+ clip.y2 = crtc->mode.vdisplay;
+
+ ret = drm_plane_helper_check_update(plane, crtc, state->fb,
+ src, dest, &clip,
min_scale,
max_scale,
- can_position, false, &visible);
+ true, true, &visible);
if (ret)
return ret;
if (!visible)
- return 0;
-
- is_alpha = is_alpha_support(fb->pixel_format);
- rb_swap = has_rb_swapped(fb->pixel_format);
- is_yuv = is_yuv_support(fb->pixel_format);
+ goto out_disable;
- format = vop_convert_format(fb->pixel_format);
- if (format < 0)
- return format;
+ vop_plane_state->format = vop_convert_format(fb->pixel_format);
+ if (vop_plane_state->format < 0)
+ return vop_plane_state->format;
- obj = rockchip_fb_get_gem_obj(fb, 0);
- if (!obj) {
- DRM_ERROR("fail to get rockchip gem object from framebuffer\n");
+ /*
+ * Src.x1 can be odd when do clip, but yuv plane start point
+ * need align with 2 pixel.
+ */
+ if (is_yuv_support(fb->pixel_format) && ((src->x1 >> 16) % 2))
return -EINVAL;
- }
- rk_obj = to_rockchip_obj(obj);
+ vop_plane_state->enable = true;
- if (is_yuv) {
- /*
- * Src.x1 can be odd when do clip, but yuv plane start point
- * need align with 2 pixel.
- */
- val = (src.x1 >> 16) % 2;
- src.x1 += val << 16;
- src.x2 += val << 16;
- }
+ return 0;
- actual_w = (src.x2 - src.x1) >> 16;
- actual_h = (src.y2 - src.y1) >> 16;
+out_disable:
+ vop_plane_state->enable = false;
+ return 0;
+}
- dsp_stx = dest.x1 + crtc->mode.htotal - crtc->mode.hsync_start;
- dsp_sty = dest.y1 + crtc->mode.vtotal - crtc->mode.vsync_start;
+static void vop_plane_atomic_disable(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+ struct vop_plane_state *vop_plane_state = to_vop_plane_state(old_state);
+ struct vop_win *vop_win = to_vop_win(plane);
+ const struct vop_win_data *win = vop_win->data;
+ struct vop *vop = to_vop(old_state->crtc);
- offset = (src.x1 >> 16) * drm_format_plane_cpp(fb->pixel_format, 0);
- offset += (src.y1 >> 16) * fb->pitches[0];
+ if (!old_state->crtc)
+ return;
- yrgb_mst = rk_obj->dma_addr + offset + fb->offsets[0];
- y_vir_stride = fb->pitches[0] >> 2;
+ spin_lock(&vop->reg_lock);
- if (is_yuv) {
- int hsub = drm_format_horz_chroma_subsampling(fb->pixel_format);
- int vsub = drm_format_vert_chroma_subsampling(fb->pixel_format);
- int bpp = drm_format_plane_cpp(fb->pixel_format, 1);
+ VOP_WIN_SET(vop, win, enable, 0);
- uv_obj = rockchip_fb_get_gem_obj(fb, 1);
- if (!uv_obj) {
- DRM_ERROR("fail to get uv object from framebuffer\n");
- return -EINVAL;
- }
- rk_uv_obj = to_rockchip_obj(uv_obj);
- uv_vir_stride = fb->pitches[1] >> 2;
+ spin_unlock(&vop->reg_lock);
- offset = (src.x1 >> 16) * bpp / hsub;
- offset += (src.y1 >> 16) * fb->pitches[1] / vsub;
+ vop_plane_state->enable = false;
+}
- uv_mst = rk_uv_obj->dma_addr + offset + fb->offsets[1];
- }
+static void vop_plane_atomic_update(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+ struct drm_plane_state *state = plane->state;
+ struct drm_crtc *crtc = state->crtc;
+ struct vop_win *vop_win = to_vop_win(plane);
+ struct vop_plane_state *vop_plane_state = to_vop_plane_state(state);
+ const struct vop_win_data *win = vop_win->data;
+ struct vop *vop = to_vop(state->crtc);
+ struct drm_framebuffer *fb = state->fb;
+ unsigned int actual_w, actual_h;
+ unsigned int dsp_stx, dsp_sty;
+ uint32_t act_info, dsp_info, dsp_st;
+ struct drm_rect *src = &vop_plane_state->src;
+ struct drm_rect *dest = &vop_plane_state->dest;
+ struct drm_gem_object *obj, *uv_obj;
+ struct rockchip_gem_object *rk_obj, *rk_uv_obj;
+ unsigned long offset;
+ dma_addr_t dma_addr;
+ uint32_t val;
+ bool rb_swap;
/*
- * If this plane update changes the plane's framebuffer, (or more
- * precisely, if this update has a different framebuffer than the last
- * update), enqueue it so we can track when it completes.
- *
- * Only when we discover that this update has completed, can we
- * unreference any previous framebuffers.
+ * can't update plane when vop is disabled.
*/
- mutex_lock(&vop->vsync_mutex);
- if (fb != vop_win_last_pending_fb(vop_win)) {
- ret = drm_vblank_get(plane->dev, vop->pipe);
- if (ret) {
- DRM_ERROR("failed to get vblank, %d\n", ret);
- mutex_unlock(&vop->vsync_mutex);
- return ret;
- }
-
- drm_framebuffer_reference(fb);
+ if (!crtc)
+ return;
- ret = vop_win_queue_fb(vop_win, fb, yrgb_mst, event);
- if (ret) {
- drm_vblank_put(plane->dev, vop->pipe);
- mutex_unlock(&vop->vsync_mutex);
- return ret;
- }
+ if (WARN_ON(!vop->is_enabled))
+ return;
- vop->vsync_work_pending = true;
+ if (!vop_plane_state->enable) {
+ vop_plane_atomic_disable(plane, old_state);
+ return;
}
- mutex_unlock(&vop->vsync_mutex);
+
+ obj = rockchip_fb_get_gem_obj(fb, 0);
+ rk_obj = to_rockchip_obj(obj);
+
+ actual_w = drm_rect_width(src) >> 16;
+ actual_h = drm_rect_height(src) >> 16;
+ act_info = (actual_h - 1) << 16 | ((actual_w - 1) & 0xffff);
+
+ dsp_info = (drm_rect_height(dest) - 1) << 16;
+ dsp_info |= (drm_rect_width(dest) - 1) & 0xffff;
+
+ dsp_stx = dest->x1 + crtc->mode.htotal - crtc->mode.hsync_start;
+ dsp_sty = dest->y1 + crtc->mode.vtotal - crtc->mode.vsync_start;
+ dsp_st = dsp_sty << 16 | (dsp_stx & 0xffff);
+
+ offset = (src->x1 >> 16) * drm_format_plane_cpp(fb->pixel_format, 0);
+ offset += (src->y1 >> 16) * fb->pitches[0];
+ vop_plane_state->yrgb_mst = rk_obj->dma_addr + offset + fb->offsets[0];
spin_lock(&vop->reg_lock);
- VOP_WIN_SET(vop, win, format, format);
- VOP_WIN_SET(vop, win, yrgb_vir, y_vir_stride);
- VOP_WIN_SET(vop, win, yrgb_mst, yrgb_mst);
- if (is_yuv) {
- VOP_WIN_SET(vop, win, uv_vir, uv_vir_stride);
- VOP_WIN_SET(vop, win, uv_mst, uv_mst);
+ VOP_WIN_SET(vop, win, format, vop_plane_state->format);
+ VOP_WIN_SET(vop, win, yrgb_vir, fb->pitches[0] >> 2);
+ VOP_WIN_SET(vop, win, yrgb_mst, vop_plane_state->yrgb_mst);
+ if (is_yuv_support(fb->pixel_format)) {
+ int hsub = drm_format_horz_chroma_subsampling(fb->pixel_format);
+ int vsub = drm_format_vert_chroma_subsampling(fb->pixel_format);
+ int bpp = drm_format_plane_cpp(fb->pixel_format, 1);
+
+ uv_obj = rockchip_fb_get_gem_obj(fb, 1);
+ rk_uv_obj = to_rockchip_obj(uv_obj);
+
+ offset = (src->x1 >> 16) * bpp / hsub;
+ offset += (src->y1 >> 16) * fb->pitches[1] / vsub;
+
+ dma_addr = rk_uv_obj->dma_addr + offset + fb->offsets[1];
+ VOP_WIN_SET(vop, win, uv_vir, fb->pitches[1] >> 2);
+ VOP_WIN_SET(vop, win, uv_mst, dma_addr);
}
if (win->phy->scl)
scl_vop_cal_scl_fac(vop, win, actual_w, actual_h,
- dest.x2 - dest.x1, dest.y2 - dest.y1,
+ drm_rect_width(dest), drm_rect_height(dest),
fb->pixel_format);
- val = (actual_h - 1) << 16;
- val |= (actual_w - 1) & 0xffff;
- VOP_WIN_SET(vop, win, act_info, val);
+ VOP_WIN_SET(vop, win, act_info, act_info);
+ VOP_WIN_SET(vop, win, dsp_info, dsp_info);
+ VOP_WIN_SET(vop, win, dsp_st, dsp_st);
- val = (dest.y2 - dest.y1 - 1) << 16;
- val |= (dest.x2 - dest.x1 - 1) & 0xffff;
- VOP_WIN_SET(vop, win, dsp_info, val);
- val = (dsp_sty - 1) << 16;
- val |= (dsp_stx - 1) & 0xffff;
- VOP_WIN_SET(vop, win, dsp_st, val);
+ rb_swap = has_rb_swapped(fb->pixel_format);
VOP_WIN_SET(vop, win, rb_swap, rb_swap);
- if (is_alpha) {
+ if (is_alpha_support(fb->pixel_format)) {
VOP_WIN_SET(vop, win, dst_alpha_ctl,
DST_FACTOR_M0(ALPHA_SRC_INVERSE));
val = SRC_ALPHA_EN(1) | SRC_COLOR_M0(ALPHA_SRC_PRE_MUL) |
}
VOP_WIN_SET(vop, win, enable, 1);
-
- vop_cfg_done(vop);
spin_unlock(&vop->reg_lock);
-
- return 0;
}
-static int vop_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
- struct drm_framebuffer *fb, int crtc_x, int crtc_y,
- unsigned int crtc_w, unsigned int crtc_h,
- uint32_t src_x, uint32_t src_y, uint32_t src_w,
- uint32_t src_h)
-{
- return vop_update_plane_event(plane, crtc, fb, crtc_x, crtc_y, crtc_w,
- crtc_h, src_x, src_y, src_w, src_h,
- NULL);
-}
+static const struct drm_plane_helper_funcs plane_helper_funcs = {
+ .atomic_check = vop_plane_atomic_check,
+ .atomic_update = vop_plane_atomic_update,
+ .atomic_disable = vop_plane_atomic_disable,
+};
-static int vop_update_primary_plane(struct drm_crtc *crtc,
- struct drm_pending_vblank_event *event)
+void vop_atomic_plane_reset(struct drm_plane *plane)
{
- unsigned int crtc_w, crtc_h;
+ struct vop_plane_state *vop_plane_state =
+ to_vop_plane_state(plane->state);
- crtc_w = crtc->primary->fb->width - crtc->x;
- crtc_h = crtc->primary->fb->height - crtc->y;
+ if (plane->state && plane->state->fb)
+ drm_framebuffer_unreference(plane->state->fb);
+
+ kfree(vop_plane_state);
+ vop_plane_state = kzalloc(sizeof(*vop_plane_state), GFP_KERNEL);
+ if (!vop_plane_state)
+ return;
- return vop_update_plane_event(crtc->primary, crtc, crtc->primary->fb,
- 0, 0, crtc_w, crtc_h, crtc->x << 16,
- crtc->y << 16, crtc_w << 16,
- crtc_h << 16, event);
+ plane->state = &vop_plane_state->base;
+ plane->state->plane = plane;
}
-static int vop_disable_plane(struct drm_plane *plane)
+struct drm_plane_state *
+vop_atomic_plane_duplicate_state(struct drm_plane *plane)
{
- struct vop_win *vop_win = to_vop_win(plane);
- const struct vop_win_data *win = vop_win->data;
- struct vop *vop;
- int ret;
-
- if (!plane->crtc)
- return 0;
+ struct vop_plane_state *old_vop_plane_state;
+ struct vop_plane_state *vop_plane_state;
- vop = to_vop(plane->crtc);
+ if (WARN_ON(!plane->state))
+ return NULL;
- ret = drm_vblank_get(plane->dev, vop->pipe);
- if (ret) {
- DRM_ERROR("failed to get vblank, %d\n", ret);
- return ret;
- }
+ old_vop_plane_state = to_vop_plane_state(plane->state);
+ vop_plane_state = kmemdup(old_vop_plane_state,
+ sizeof(*vop_plane_state), GFP_KERNEL);
+ if (!vop_plane_state)
+ return NULL;
- mutex_lock(&vop->vsync_mutex);
+ __drm_atomic_helper_plane_duplicate_state(plane,
+ &vop_plane_state->base);
- ret = vop_win_queue_fb(vop_win, NULL, 0, NULL);
- if (ret) {
- drm_vblank_put(plane->dev, vop->pipe);
- mutex_unlock(&vop->vsync_mutex);
- return ret;
- }
-
- vop->vsync_work_pending = true;
- mutex_unlock(&vop->vsync_mutex);
-
- spin_lock(&vop->reg_lock);
- VOP_WIN_SET(vop, win, enable, 0);
- vop_cfg_done(vop);
- spin_unlock(&vop->reg_lock);
-
- return 0;
+ return &vop_plane_state->base;
}
-static void vop_plane_destroy(struct drm_plane *plane)
+static void vop_atomic_plane_destroy_state(struct drm_plane *plane,
+ struct drm_plane_state *state)
{
- vop_disable_plane(plane);
- drm_plane_cleanup(plane);
+ struct vop_plane_state *vop_state = to_vop_plane_state(state);
+
+ __drm_atomic_helper_plane_destroy_state(plane, state);
+
+ kfree(vop_state);
}
static const struct drm_plane_funcs vop_plane_funcs = {
- .update_plane = vop_update_plane,
- .disable_plane = vop_disable_plane,
+ .update_plane = drm_atomic_helper_update_plane,
+ .disable_plane = drm_atomic_helper_disable_plane,
.destroy = vop_plane_destroy,
+ .reset = vop_atomic_plane_reset,
+ .atomic_duplicate_state = vop_atomic_plane_duplicate_state,
+ .atomic_destroy_state = vop_atomic_plane_destroy_state,
};
int rockchip_drm_crtc_mode_config(struct drm_crtc *crtc,
{
struct vop *vop = to_vop(crtc);
- vop->connector_type = connector_type;
- vop->connector_out_mode = out_mode;
+ if (WARN_ON(!vop->is_enabled))
+ return -EINVAL;
+
+ switch (connector_type) {
+ case DRM_MODE_CONNECTOR_LVDS:
+ VOP_CTRL_SET(vop, rgb_en, 1);
+ break;
+ case DRM_MODE_CONNECTOR_eDP:
+ VOP_CTRL_SET(vop, edp_en, 1);
+ break;
+ case DRM_MODE_CONNECTOR_HDMIA:
+ VOP_CTRL_SET(vop, hdmi_en, 1);
+ break;
+ default:
+ DRM_ERROR("unsupport connector_type[%d]\n", connector_type);
+ return -EINVAL;
+ };
+ VOP_CTRL_SET(vop, out_mode, out_mode);
return 0;
}
struct vop *vop = to_vop(crtc);
unsigned long flags;
- if (!vop->is_enabled)
+ if (WARN_ON(!vop->is_enabled))
return -EPERM;
spin_lock_irqsave(&vop->irq_lock, flags);
struct vop *vop = to_vop(crtc);
unsigned long flags;
- if (!vop->is_enabled)
+ if (WARN_ON(!vop->is_enabled))
return;
spin_lock_irqsave(&vop->irq_lock, flags);
spin_unlock_irqrestore(&vop->irq_lock, flags);
}
-static const struct rockchip_crtc_funcs private_crtc_funcs = {
- .enable_vblank = vop_crtc_enable_vblank,
- .disable_vblank = vop_crtc_disable_vblank,
-};
-
-static void vop_crtc_dpms(struct drm_crtc *crtc, int mode)
+static void vop_crtc_wait_for_update(struct drm_crtc *crtc)
{
- DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
+ struct vop *vop = to_vop(crtc);
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- vop_enable(crtc);
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- vop_disable(crtc);
- break;
- default:
- DRM_DEBUG_KMS("unspecified mode %d\n", mode);
- break;
- }
+ reinit_completion(&vop->wait_update_complete);
+ WARN_ON(!wait_for_completion_timeout(&vop->wait_update_complete, 100));
}
-static void vop_crtc_prepare(struct drm_crtc *crtc)
-{
- vop_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
-}
+static const struct rockchip_crtc_funcs private_crtc_funcs = {
+ .enable_vblank = vop_crtc_enable_vblank,
+ .disable_vblank = vop_crtc_disable_vblank,
+ .wait_for_update = vop_crtc_wait_for_update,
+};
static bool vop_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
return true;
}
-static int vop_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
- struct drm_framebuffer *old_fb)
-{
- int ret;
-
- crtc->x = x;
- crtc->y = y;
-
- ret = vop_update_primary_plane(crtc, NULL);
- if (ret < 0) {
- DRM_ERROR("fail to update plane\n");
- return ret;
- }
-
- return 0;
-}
-
-static int vop_crtc_mode_set(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode,
- int x, int y, struct drm_framebuffer *fb)
+static void vop_crtc_enable(struct drm_crtc *crtc)
{
struct vop *vop = to_vop(crtc);
+ struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode;
u16 hsync_len = adjusted_mode->hsync_end - adjusted_mode->hsync_start;
u16 hdisplay = adjusted_mode->hdisplay;
u16 htotal = adjusted_mode->htotal;
u16 vsync_len = adjusted_mode->vsync_end - adjusted_mode->vsync_start;
u16 vact_st = adjusted_mode->vtotal - adjusted_mode->vsync_start;
u16 vact_end = vact_st + vdisplay;
- int ret, ret_clk;
uint32_t val;
+ vop_enable(crtc);
/*
- * disable dclk to stop frame scan, so that we can safe config mode and
- * enable iommu.
+ * If dclk rate is zero, mean that scanout is stop,
+ * we don't need wait any more.
*/
- clk_disable(vop->dclk);
+ if (clk_get_rate(vop->dclk)) {
+ /*
+ * Rk3288 vop timing register is immediately, when configure
+ * display timing on display time, may cause tearing.
+ *
+ * Vop standby will take effect at end of current frame,
+ * if dsp hold valid irq happen, it means standby complete.
+ *
+ * mode set:
+ * standby and wait complete --> |----
+ * | display time
+ * |----
+ * |---> dsp hold irq
+ * configure display timing --> |
+ * standby exit |
+ * | new frame start.
+ */
- switch (vop->connector_type) {
- case DRM_MODE_CONNECTOR_LVDS:
- VOP_CTRL_SET(vop, rgb_en, 1);
- break;
- case DRM_MODE_CONNECTOR_eDP:
- VOP_CTRL_SET(vop, edp_en, 1);
- break;
- case DRM_MODE_CONNECTOR_HDMIA:
- VOP_CTRL_SET(vop, hdmi_en, 1);
- break;
- default:
- DRM_ERROR("unsupport connector_type[%d]\n",
- vop->connector_type);
- ret = -EINVAL;
- goto out;
- };
- VOP_CTRL_SET(vop, out_mode, vop->connector_out_mode);
+ reinit_completion(&vop->dsp_hold_completion);
+ vop_dsp_hold_valid_irq_enable(vop);
+
+ spin_lock(&vop->reg_lock);
+
+ VOP_CTRL_SET(vop, standby, 1);
+
+ spin_unlock(&vop->reg_lock);
+
+ wait_for_completion(&vop->dsp_hold_completion);
+
+ vop_dsp_hold_valid_irq_disable(vop);
+ }
val = 0x8;
val |= (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) ? 0 : 1;
VOP_CTRL_SET(vop, vact_st_end, val);
VOP_CTRL_SET(vop, vpost_st_end, val);
- ret = vop_crtc_mode_set_base(crtc, x, y, fb);
- if (ret)
- goto out;
-
- /*
- * reset dclk, take all mode config affect, so the clk would run in
- * correct frame.
- */
- reset_control_assert(vop->dclk_rst);
- usleep_range(10, 20);
- reset_control_deassert(vop->dclk_rst);
-
clk_set_rate(vop->dclk, adjusted_mode->clock * 1000);
-out:
- ret_clk = clk_enable(vop->dclk);
- if (ret_clk < 0) {
- dev_err(vop->dev, "failed to enable dclk - %d\n", ret_clk);
- return ret_clk;
- }
- return ret;
-}
-
-static void vop_crtc_commit(struct drm_crtc *crtc)
-{
+ VOP_CTRL_SET(vop, standby, 0);
}
-static const struct drm_crtc_helper_funcs vop_crtc_helper_funcs = {
- .dpms = vop_crtc_dpms,
- .prepare = vop_crtc_prepare,
- .mode_fixup = vop_crtc_mode_fixup,
- .mode_set = vop_crtc_mode_set,
- .mode_set_base = vop_crtc_mode_set_base,
- .commit = vop_crtc_commit,
-};
-
-static int vop_crtc_page_flip(struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- struct drm_pending_vblank_event *event,
- uint32_t page_flip_flags)
+static void vop_crtc_atomic_flush(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_crtc_state)
{
struct vop *vop = to_vop(crtc);
- struct drm_framebuffer *old_fb = crtc->primary->fb;
- int ret;
- /* when the page flip is requested, crtc should be on */
- if (!vop->is_enabled) {
- DRM_DEBUG("page flip request rejected because crtc is off.\n");
- return 0;
- }
+ if (WARN_ON(!vop->is_enabled))
+ return;
- crtc->primary->fb = fb;
+ spin_lock(&vop->reg_lock);
- ret = vop_update_primary_plane(crtc, event);
- if (ret)
- crtc->primary->fb = old_fb;
+ vop_cfg_done(vop);
- return ret;
+ spin_unlock(&vop->reg_lock);
}
-static void vop_win_state_complete(struct vop_win *vop_win,
- struct vop_win_state *state)
+static void vop_crtc_atomic_begin(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_crtc_state)
{
- struct vop *vop = vop_win->vop;
- struct drm_crtc *crtc = &vop->crtc;
- struct drm_device *drm = crtc->dev;
- unsigned long flags;
+ struct vop *vop = to_vop(crtc);
- if (state->event) {
- spin_lock_irqsave(&drm->event_lock, flags);
- drm_send_vblank_event(drm, -1, state->event);
- spin_unlock_irqrestore(&drm->event_lock, flags);
- }
+ if (crtc->state->event) {
+ WARN_ON(drm_crtc_vblank_get(crtc) != 0);
- list_del(&state->head);
- drm_vblank_put(crtc->dev, vop->pipe);
+ vop->event = crtc->state->event;
+ crtc->state->event = NULL;
+ }
}
+static const struct drm_crtc_helper_funcs vop_crtc_helper_funcs = {
+ .enable = vop_crtc_enable,
+ .disable = vop_crtc_disable,
+ .mode_fixup = vop_crtc_mode_fixup,
+ .atomic_flush = vop_crtc_atomic_flush,
+ .atomic_begin = vop_crtc_atomic_begin,
+};
+
static void vop_crtc_destroy(struct drm_crtc *crtc)
{
drm_crtc_cleanup(crtc);
}
static const struct drm_crtc_funcs vop_crtc_funcs = {
- .set_config = drm_crtc_helper_set_config,
- .page_flip = vop_crtc_page_flip,
+ .set_config = drm_atomic_helper_set_config,
+ .page_flip = drm_atomic_helper_page_flip,
.destroy = vop_crtc_destroy,
+ .reset = drm_atomic_helper_crtc_reset,
+ .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
};
-static bool vop_win_state_is_active(struct vop_win *vop_win,
- struct vop_win_state *state)
+static bool vop_win_pending_is_complete(struct vop_win *vop_win)
{
- bool active = false;
-
- if (state->fb) {
- dma_addr_t yrgb_mst;
-
- /* check yrgb_mst to tell if pending_fb is now front */
- yrgb_mst = VOP_WIN_GET_YRGBADDR(vop_win->vop, vop_win->data);
-
- active = (yrgb_mst == state->yrgb_mst);
- } else {
- bool enabled;
-
- /* if enable bit is clear, plane is now disabled */
- enabled = VOP_WIN_GET(vop_win->vop, vop_win->data, enable);
-
- active = (enabled == 0);
- }
-
- return active;
-}
+ struct drm_plane *plane = &vop_win->base;
+ struct vop_plane_state *state = to_vop_plane_state(plane->state);
+ dma_addr_t yrgb_mst;
-static void vop_win_state_destroy(struct vop_win_state *state)
-{
- struct drm_framebuffer *fb = state->fb;
+ if (!state->enable)
+ return VOP_WIN_GET(vop_win->vop, vop_win->data, enable) == 0;
- if (fb)
- drm_framebuffer_unreference(fb);
+ yrgb_mst = VOP_WIN_GET_YRGBADDR(vop_win->vop, vop_win->data);
- kfree(state);
+ return yrgb_mst == state->yrgb_mst;
}
-static void vop_win_update_state(struct vop_win *vop_win)
+static void vop_handle_vblank(struct vop *vop)
{
- struct vop_win_state *state, *n, *new_active = NULL;
-
- /* Check if any pending states are now active */
- list_for_each_entry(state, &vop_win->pending, head)
- if (vop_win_state_is_active(vop_win, state)) {
- new_active = state;
- break;
- }
-
- if (!new_active)
- return;
+ struct drm_device *drm = vop->drm_dev;
+ struct drm_crtc *crtc = &vop->crtc;
+ unsigned long flags;
+ int i;
- /*
- * Destroy any 'skipped' pending states - states that were queued
- * before the newly active state.
- */
- list_for_each_entry_safe(state, n, &vop_win->pending, head) {
- if (state == new_active)
- break;
- vop_win_state_complete(vop_win, state);
- vop_win_state_destroy(state);
+ for (i = 0; i < vop->data->win_size; i++) {
+ if (!vop_win_pending_is_complete(&vop->win[i]))
+ return;
}
- vop_win_state_complete(vop_win, new_active);
-
- if (vop_win->active)
- vop_win_state_destroy(vop_win->active);
- vop_win->active = new_active;
-}
-
-static bool vop_win_has_pending_state(struct vop_win *vop_win)
-{
- return !list_empty(&vop_win->pending);
-}
-
-static irqreturn_t vop_isr_thread(int irq, void *data)
-{
- struct vop *vop = data;
- const struct vop_data *vop_data = vop->data;
- unsigned int i;
-
- mutex_lock(&vop->vsync_mutex);
-
- if (!vop->vsync_work_pending)
- goto done;
+ if (vop->event) {
+ spin_lock_irqsave(&drm->event_lock, flags);
- vop->vsync_work_pending = false;
+ drm_crtc_send_vblank_event(crtc, vop->event);
+ drm_crtc_vblank_put(crtc);
+ vop->event = NULL;
- for (i = 0; i < vop_data->win_size; i++) {
- struct vop_win *vop_win = &vop->win[i];
-
- vop_win_update_state(vop_win);
- if (vop_win_has_pending_state(vop_win))
- vop->vsync_work_pending = true;
+ spin_unlock_irqrestore(&drm->event_lock, flags);
}
-
-done:
- mutex_unlock(&vop->vsync_mutex);
-
- return IRQ_HANDLED;
+ if (!completion_done(&vop->wait_update_complete))
+ complete(&vop->wait_update_complete);
}
static irqreturn_t vop_isr(int irq, void *data)
{
struct vop *vop = data;
+ struct drm_crtc *crtc = &vop->crtc;
uint32_t intr0_reg, active_irqs;
unsigned long flags;
int ret = IRQ_NONE;
}
if (active_irqs & FS_INTR) {
- drm_handle_vblank(vop->drm_dev, vop->pipe);
+ drm_crtc_handle_vblank(crtc);
+ vop_handle_vblank(vop);
active_irqs &= ~FS_INTR;
- ret = (vop->vsync_work_pending) ? IRQ_WAKE_THREAD : IRQ_HANDLED;
+ ret = IRQ_HANDLED;
}
/* Unhandled irqs are spurious. */
0, &vop_plane_funcs,
win_data->phy->data_formats,
win_data->phy->nformats,
- win_data->type);
+ win_data->type, NULL);
if (ret) {
DRM_ERROR("failed to initialize plane\n");
goto err_cleanup_planes;
}
plane = &vop_win->base;
+ drm_plane_helper_add(plane, &plane_helper_funcs);
if (plane->type == DRM_PLANE_TYPE_PRIMARY)
primary = plane;
else if (plane->type == DRM_PLANE_TYPE_CURSOR)
}
ret = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor,
- &vop_crtc_funcs);
+ &vop_crtc_funcs, NULL);
if (ret)
return ret;
&vop_plane_funcs,
win_data->phy->data_formats,
win_data->phy->nformats,
- win_data->type);
+ win_data->type, NULL);
if (ret) {
DRM_ERROR("failed to initialize overlay plane\n");
goto err_cleanup_crtc;
}
+ drm_plane_helper_add(&vop_win->base, &plane_helper_funcs);
}
port = of_get_child_by_name(dev->of_node, "port");
}
init_completion(&vop->dsp_hold_completion);
+ init_completion(&vop->wait_update_complete);
crtc->port = port;
- vop->pipe = drm_crtc_index(crtc);
- rockchip_register_crtc_funcs(drm_dev, &private_crtc_funcs, vop->pipe);
+ rockchip_register_crtc_funcs(crtc, &private_crtc_funcs);
return 0;
{
struct drm_crtc *crtc = &vop->crtc;
- rockchip_unregister_crtc_funcs(vop->drm_dev, vop->pipe);
+ rockchip_unregister_crtc_funcs(crtc);
of_node_put(crtc->port);
drm_crtc_cleanup(crtc);
}
return PTR_ERR(vop->dclk);
}
- ret = clk_prepare(vop->hclk);
- if (ret < 0) {
- dev_err(vop->dev, "failed to prepare hclk\n");
- return ret;
- }
-
ret = clk_prepare(vop->dclk);
if (ret < 0) {
dev_err(vop->dev, "failed to prepare dclk\n");
- goto err_unprepare_hclk;
+ return ret;
}
- ret = clk_prepare(vop->aclk);
+ /* Enable both the hclk and aclk to setup the vop */
+ ret = clk_prepare_enable(vop->hclk);
if (ret < 0) {
- dev_err(vop->dev, "failed to prepare aclk\n");
+ dev_err(vop->dev, "failed to prepare/enable hclk\n");
goto err_unprepare_dclk;
}
- /*
- * enable hclk, so that we can config vop register.
- */
- ret = clk_enable(vop->hclk);
+ ret = clk_prepare_enable(vop->aclk);
if (ret < 0) {
- dev_err(vop->dev, "failed to prepare aclk\n");
- goto err_unprepare_aclk;
+ dev_err(vop->dev, "failed to prepare/enable aclk\n");
+ goto err_disable_hclk;
}
+
/*
* do hclk_reset, reset all vop registers.
*/
if (IS_ERR(ahb_rst)) {
dev_err(vop->dev, "failed to get ahb reset\n");
ret = PTR_ERR(ahb_rst);
- goto err_disable_hclk;
+ goto err_disable_aclk;
}
reset_control_assert(ahb_rst);
usleep_range(10, 20);
if (IS_ERR(vop->dclk_rst)) {
dev_err(vop->dev, "failed to get dclk reset\n");
ret = PTR_ERR(vop->dclk_rst);
- goto err_unprepare_aclk;
+ goto err_disable_aclk;
}
reset_control_assert(vop->dclk_rst);
usleep_range(10, 20);
reset_control_deassert(vop->dclk_rst);
clk_disable(vop->hclk);
+ clk_disable(vop->aclk);
vop->is_enabled = false;
return 0;
+err_disable_aclk:
+ clk_disable_unprepare(vop->aclk);
err_disable_hclk:
- clk_disable(vop->hclk);
-err_unprepare_aclk:
- clk_unprepare(vop->aclk);
+ clk_disable_unprepare(vop->hclk);
err_unprepare_dclk:
clk_unprepare(vop->dclk);
-err_unprepare_hclk:
- clk_unprepare(vop->hclk);
return ret;
}
vop_win->data = win_data;
vop_win->vop = vop;
- INIT_LIST_HEAD(&vop_win->pending);
}
}
mutex_init(&vop->vsync_mutex);
- ret = devm_request_threaded_irq(dev, vop->irq, vop_isr, vop_isr_thread,
- IRQF_SHARED, dev_name(dev), vop);
+ ret = devm_request_irq(dev, vop->irq, vop_isr,
+ IRQF_SHARED, dev_name(dev), vop);
if (ret)
return ret;
projects / firefly-linux-kernel-4.4.55.git / blobdiff