Convert the HLCDC driver to atomic mode-setting.

Signed-off-by: Boris Brezillon boris.brezillon@free-electrons.com --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c | 142 ++---- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 4 + drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 5 +- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c | 4 +- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.h | 3 +- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c | 3 + drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 556 +++++++++++++---------- 7 files changed, 383 insertions(+), 334 deletions(-)

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index 0409b90..a69c966 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -114,25 +114,17 @@ static void atmel_hlcdc_crtc_dpms(struct drm_crtc *c, int mode) crtc->dpms = mode; }

-static int atmel_hlcdc_crtc_mode_set(struct drm_crtc *c, - struct drm_display_mode *mode, - struct drm_display_mode *adj, - int x, int y, - struct drm_framebuffer *old_fb) +static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c) { struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c); struct regmap *regmap = crtc->dc->hlcdc->regmap; - struct drm_plane *plane = c->primary; - struct drm_framebuffer *fb; + struct drm_display_mode *adj = &c->state->adjusted_mode; unsigned long mode_rate; struct videomode vm; unsigned long prate; unsigned int cfg; int div;

- if (atmel_hlcdc_dc_mode_valid(crtc->dc, adj) != MODE_OK) - return -EINVAL; - vm.vfront_porch = adj->crtc_vsync_start - adj->crtc_vdisplay; vm.vback_porch = adj->crtc_vtotal - adj->crtc_vsync_end; vm.vsync_len = adj->crtc_vsync_end - adj->crtc_vsync_start; @@ -156,7 +148,7 @@ static int atmel_hlcdc_crtc_mode_set(struct drm_crtc *c, cfg = ATMEL_HLCDC_CLKPOL;

prate = clk_get_rate(crtc->dc->hlcdc->sys_clk); - mode_rate = mode->crtc_clock * 1000; + mode_rate = adj->crtc_clock * 1000; if ((prate / 2) < mode_rate) { prate *= 2; cfg |= ATMEL_HLCDC_CLKSEL; @@ -174,10 +166,10 @@ static int atmel_hlcdc_crtc_mode_set(struct drm_crtc *c,

cfg = 0;

- if (mode->flags & DRM_MODE_FLAG_NVSYNC) + if (adj->flags & DRM_MODE_FLAG_NVSYNC) cfg |= ATMEL_HLCDC_VSPOL;

- if (mode->flags & DRM_MODE_FLAG_NHSYNC) + if (adj->flags & DRM_MODE_FLAG_NHSYNC) cfg |= ATMEL_HLCDC_HSPOL;

regmap_update_bits(regmap, ATMEL_HLCDC_CFG(5), @@ -187,34 +179,6 @@ static int atmel_hlcdc_crtc_mode_set(struct drm_crtc *c, ATMEL_HLCDC_VSPSU | ATMEL_HLCDC_VSPHO | ATMEL_HLCDC_GUARDTIME_MASK, cfg); - - fb = plane->fb; - plane->fb = old_fb; - - return atmel_hlcdc_plane_update_with_mode(plane, c, fb, 0, 0, - adj->hdisplay, adj->vdisplay, - x << 16, y << 16, - adj->hdisplay << 16, - adj->vdisplay << 16, - adj); -} - -int atmel_hlcdc_crtc_mode_set_base(struct drm_crtc *c, int x, int y, - struct drm_framebuffer *old_fb) -{ - struct drm_plane *plane = c->primary; - struct drm_framebuffer *fb = plane->fb; - struct drm_display_mode *mode = &c->hwmode; - - plane->fb = old_fb; - - return plane->funcs->update_plane(plane, c, fb, - 0, 0, - mode->hdisplay, - mode->vdisplay, - x << 16, y << 16, - mode->hdisplay << 16, - mode->vdisplay << 16); }

static void atmel_hlcdc_crtc_prepare(struct drm_crtc *crtc) @@ -250,14 +214,48 @@ static void atmel_hlcdc_crtc_disable(struct drm_crtc *crtc) } }

+static int atmel_hlcdc_crtc_atomic_check(struct drm_crtc *c, + struct drm_crtc_state *s) +{ + struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c); + + if (atmel_hlcdc_dc_mode_valid(crtc->dc, &s->adjusted_mode) != MODE_OK) + return -EINVAL; + + return 0; +} + +static void atmel_hlcdc_crtc_atomic_begin(struct drm_crtc *c) +{ + struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c); + + if (c->state->event) { + c->state->event->pipe = drm_crtc_index(c); + + WARN_ON(drm_crtc_vblank_get(c) != 0); + + crtc->event = c->state->event; + c->state->event = NULL; + } +} + +static void atmel_hlcdc_crtc_atomic_flush(struct drm_crtc *crtc) +{ + /* TODO: write common plane control register if available */ +} + static const struct drm_crtc_helper_funcs lcdc_crtc_helper_funcs = { .mode_fixup = atmel_hlcdc_crtc_mode_fixup, .dpms = atmel_hlcdc_crtc_dpms, - .mode_set = atmel_hlcdc_crtc_mode_set, - .mode_set_base = atmel_hlcdc_crtc_mode_set_base, + .mode_set = drm_helper_crtc_mode_set, + .mode_set_nofb = atmel_hlcdc_crtc_mode_set_nofb, + .mode_set_base = drm_helper_crtc_mode_set_base, .prepare = atmel_hlcdc_crtc_prepare, .commit = atmel_hlcdc_crtc_commit, .disable = atmel_hlcdc_crtc_disable, + .atomic_check = atmel_hlcdc_crtc_atomic_check, + .atomic_begin = atmel_hlcdc_crtc_atomic_begin, + .atomic_flush = atmel_hlcdc_crtc_atomic_flush, };

static void atmel_hlcdc_crtc_destroy(struct drm_crtc *c) @@ -306,61 +304,13 @@ void atmel_hlcdc_crtc_irq(struct drm_crtc *c) atmel_hlcdc_crtc_finish_page_flip(drm_crtc_to_atmel_hlcdc_crtc(c)); }

-static int atmel_hlcdc_crtc_page_flip(struct drm_crtc *c, - struct drm_framebuffer *fb, - struct drm_pending_vblank_event *event, - uint32_t page_flip_flags) -{ - struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c); - struct atmel_hlcdc_plane_update_req req; - struct drm_plane *plane = c->primary; - struct drm_device *dev = c->dev; - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&dev->event_lock, flags); - if (crtc->event) - ret = -EBUSY; - spin_unlock_irqrestore(&dev->event_lock, flags); - - if (ret) - return ret; - - memset(&req, 0, sizeof(req)); - req.crtc_x = 0; - req.crtc_y = 0; - req.crtc_h = c->mode.crtc_vdisplay; - req.crtc_w = c->mode.crtc_hdisplay; - req.src_x = c->x << 16; - req.src_y = c->y << 16; - req.src_w = req.crtc_w << 16; - req.src_h = req.crtc_h << 16; - req.fb = fb; - - ret = atmel_hlcdc_plane_prepare_update_req(plane, &req, &c->hwmode); - if (ret) - return ret; - - if (event) { - drm_vblank_get(c->dev, crtc->id); - spin_lock_irqsave(&dev->event_lock, flags); - crtc->event = event; - spin_unlock_irqrestore(&dev->event_lock, flags); - } - - ret = atmel_hlcdc_plane_apply_update_req(plane, &req); - if (ret) - crtc->event = NULL; - else - plane->fb = fb; - - return ret; -} - static const struct drm_crtc_funcs atmel_hlcdc_crtc_funcs = { - .page_flip = atmel_hlcdc_crtc_page_flip, - .set_config = drm_crtc_helper_set_config, + .page_flip = drm_atomic_helper_page_flip, + .set_config = drm_atomic_helper_set_config, .destroy = atmel_hlcdc_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, };

int atmel_hlcdc_crtc_create(struct drm_device *dev) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index 7320a6c..47fd147 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -222,6 +222,8 @@ static void atmel_hlcdc_fb_output_poll_changed(struct drm_device *dev) static const struct drm_mode_config_funcs mode_config_funcs = { .fb_create = atmel_hlcdc_fb_create, .output_poll_changed = atmel_hlcdc_fb_output_poll_changed, + .atomic_check = drm_atomic_helper_check, + .atomic_commit = drm_atomic_helper_commit, };

static int atmel_hlcdc_dc_modeset_init(struct drm_device *dev) @@ -319,6 +321,8 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev) goto err_periph_clk_disable; }

+ drm_mode_config_reset(dev); + ret = drm_vblank_init(dev, 1); if (ret < 0) { dev_err(dev->dev, "failed to initialize vblank\n"); diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h index 7bc96af..c18da22 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h @@ -26,11 +26,14 @@ #include <linux/irqdomain.h> #include <linux/pwm.h>

+#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_panel.h> +#include <drm/drm_plane_helper.h> #include <drm/drmP.h>

#include "atmel_hlcdc_layer.h" @@ -69,7 +72,6 @@ struct atmel_hlcdc_dc_desc { */ struct atmel_hlcdc_plane_properties { struct drm_property *alpha; - struct drm_property *rotation; };

/** @@ -84,7 +86,6 @@ struct atmel_hlcdc_plane { struct drm_plane base; struct atmel_hlcdc_layer layer; struct atmel_hlcdc_plane_properties *properties; - unsigned int rotation; };

static inline struct atmel_hlcdc_plane * diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c index 063d2a7..d1dca39 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c @@ -298,7 +298,7 @@ void atmel_hlcdc_layer_irq(struct atmel_hlcdc_layer *layer) spin_unlock_irqrestore(&layer->lock, flags); }

-int atmel_hlcdc_layer_disable(struct atmel_hlcdc_layer *layer) +void atmel_hlcdc_layer_disable(struct atmel_hlcdc_layer *layer) { struct atmel_hlcdc_layer_dma_channel *dma = &layer->dma; struct atmel_hlcdc_layer_update *upd = &layer->update; @@ -340,8 +340,6 @@ int atmel_hlcdc_layer_disable(struct atmel_hlcdc_layer *layer) dma->status = ATMEL_HLCDC_LAYER_DISABLED;

spin_unlock_irqrestore(&layer->lock, flags); - - return 0; }

int atmel_hlcdc_layer_update_start(struct atmel_hlcdc_layer *layer) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.h index 27e56c0..9beabc9 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.h +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.h @@ -120,6 +120,7 @@ #define ATMEL_HLCDC_LAYER_DISCEN BIT(11) #define ATMEL_HLCDC_LAYER_GA_SHIFT 16 #define ATMEL_HLCDC_LAYER_GA_MASK GENMASK(23, ATMEL_HLCDC_LAYER_GA_SHIFT) +#define ATMEL_HLCDC_LAYER_GA(x) ((x) << ATMEL_HLCDC_LAYER_GA_SHIFT)

#define ATMEL_HLCDC_LAYER_CSC_CFG(p, o) ATMEL_HLCDC_LAYER_CFG(p, (p)->desc->layout.csc + o)

@@ -376,7 +377,7 @@ int atmel_hlcdc_layer_init(struct drm_device *dev, void atmel_hlcdc_layer_cleanup(struct drm_device *dev, struct atmel_hlcdc_layer *layer);

-int atmel_hlcdc_layer_disable(struct atmel_hlcdc_layer *layer); +void atmel_hlcdc_layer_disable(struct atmel_hlcdc_layer *layer);

int atmel_hlcdc_layer_update_start(struct atmel_hlcdc_layer *layer);

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c index b049f22..1e814c7 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c @@ -234,6 +234,9 @@ static const struct drm_connector_funcs atmel_hlcdc_panel_connector_funcs = { .detect = atmel_hlcdc_panel_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = atmel_hlcdc_panel_connector_destroy, + .reset = drm_atomic_helper_connector_reset, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, };

static int atmel_hlcdc_create_panel_output(struct drm_device *dev, diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c index c5892dc..4aa473c 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c @@ -19,6 +19,52 @@

#include "atmel_hlcdc_dc.h"

+/** + * Atmel HLCDC Plane state structure. + * + * @base: DRM plane state + * @crtc_x: x position of the plane relative to the CRTC + * @crtc_y: y position of the plane relative to the CRTC + * @crtc_w: visible width of the plane + * @crtc_h: visible height of the plane + * @src_x: x buffer position + * @src_y: y buffer position + * @src_w: buffer width + * @src_h: buffer height + * @alpha: alpha blending of the plane + * @bpp: bytes per pixel deduced from pixel_format + * @offsets: offsets to apply to the GEM buffers + * @xstride: value to add to the pixel pointer between each line + * @pstride: value to add to the pixel pointer between each pixel + * @nplanes: number of planes (deduced from pixel_format) + */ +struct atmel_hlcdc_plane_state { + struct drm_plane_state base; + 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; + + u8 alpha; + + /* These fields are private and should not be touched */ + int bpp[ATMEL_HLCDC_MAX_PLANES]; + unsigned int offsets[ATMEL_HLCDC_MAX_PLANES]; + int xstride[ATMEL_HLCDC_MAX_PLANES]; + int pstride[ATMEL_HLCDC_MAX_PLANES]; + int nplanes; +}; + +static inline struct atmel_hlcdc_plane_state * +drm_plane_state_to_atmel_hlcdc_plane_state(struct drm_plane_state *s) +{ + return container_of(s, struct atmel_hlcdc_plane_state, base); +} + #define SUBPIXEL_MASK 0xffff

static uint32_t rgb_formats[] = { @@ -128,7 +174,7 @@ static int atmel_hlcdc_format_to_plane_mode(u32 format, u32 *mode) return 0; }

-static bool atmel_hlcdc_format_embedds_alpha(u32 format) +static bool atmel_hlcdc_format_embeds_alpha(u32 format) { int i;

@@ -204,7 +250,7 @@ static u32 heo_upscaling_ycoef[] = {

static void atmel_hlcdc_plane_update_pos_and_size(struct atmel_hlcdc_plane *plane, - struct atmel_hlcdc_plane_update_req *req) + struct atmel_hlcdc_plane_state *state) { const struct atmel_hlcdc_layer_cfg_layout *layout = &plane->layer.desc->layout; @@ -213,69 +259,69 @@ atmel_hlcdc_plane_update_pos_and_size(struct atmel_hlcdc_plane *plane, atmel_hlcdc_layer_update_cfg(&plane->layer, layout->size, 0xffffffff, - (req->crtc_w - 1) | - ((req->crtc_h - 1) << 16)); + (state->crtc_w - 1) | + ((state->crtc_h - 1) << 16));

if (layout->memsize) atmel_hlcdc_layer_update_cfg(&plane->layer, layout->memsize, 0xffffffff, - (req->src_w - 1) | - ((req->src_h - 1) << 16)); + (state->src_w - 1) | + ((state->src_h - 1) << 16));

if (layout->pos) atmel_hlcdc_layer_update_cfg(&plane->layer, layout->pos, 0xffffffff, - req->crtc_x | - (req->crtc_y << 16)); + state->crtc_x | + (state->crtc_y << 16));

/* TODO: rework the rescaling part */ - if (req->crtc_w != req->src_w || req->crtc_h != req->src_h) { + if (state->crtc_w != state->src_w || state->crtc_h != state->src_h) { u32 factor_reg = 0;

- if (req->crtc_w != req->src_w) { + if (state->crtc_w != state->src_w) { int i; u32 factor; u32 *coeff_tab = heo_upscaling_xcoef; u32 max_memsize;

- if (req->crtc_w < req->src_w) + if (state->crtc_w < state->src_w) coeff_tab = heo_downscaling_xcoef; for (i = 0; i < ARRAY_SIZE(heo_upscaling_xcoef); i++) atmel_hlcdc_layer_update_cfg(&plane->layer, 17 + i, 0xffffffff, coeff_tab[i]); - factor = ((8 * 256 * req->src_w) - (256 * 4)) / - req->crtc_w; + factor = ((8 * 256 * state->src_w) - (256 * 4)) / + state->crtc_w; factor++; - max_memsize = ((factor * req->crtc_w) + (256 * 4)) / + max_memsize = ((factor * state->crtc_w) + (256 * 4)) / 2048; - if (max_memsize > req->src_w) + if (max_memsize > state->src_w) factor--; factor_reg |= factor | 0x80000000; }

- if (req->crtc_h != req->src_h) { + if (state->crtc_h != state->src_h) { int i; u32 factor; u32 *coeff_tab = heo_upscaling_ycoef; u32 max_memsize;

- if (req->crtc_w < req->src_w) + if (state->crtc_w < state->src_w) coeff_tab = heo_downscaling_ycoef; for (i = 0; i < ARRAY_SIZE(heo_upscaling_ycoef); i++) atmel_hlcdc_layer_update_cfg(&plane->layer, 33 + i, 0xffffffff, coeff_tab[i]); - factor = ((8 * 256 * req->src_w) - (256 * 4)) / - req->crtc_w; + factor = ((8 * 256 * state->src_w) - (256 * 4)) / + state->crtc_w; factor++; - max_memsize = ((factor * req->crtc_w) + (256 * 4)) / + max_memsize = ((factor * state->crtc_w) + (256 * 4)) / 2048; - if (max_memsize > req->src_w) + if (max_memsize > state->src_w) factor--; factor_reg |= (factor << 16) | 0x80000000; } @@ -287,7 +333,7 @@ atmel_hlcdc_plane_update_pos_and_size(struct atmel_hlcdc_plane *plane,

static void atmel_hlcdc_plane_update_general_settings(struct atmel_hlcdc_plane *plane, - struct atmel_hlcdc_plane_update_req *req) + struct atmel_hlcdc_plane_state *state) { const struct atmel_hlcdc_layer_cfg_layout *layout = &plane->layer.desc->layout; @@ -297,10 +343,11 @@ atmel_hlcdc_plane_update_general_settings(struct atmel_hlcdc_plane *plane, cfg |= ATMEL_HLCDC_LAYER_OVR | ATMEL_HLCDC_LAYER_ITER2BL | ATMEL_HLCDC_LAYER_ITER;

- if (atmel_hlcdc_format_embedds_alpha(req->fb->pixel_format)) + if (atmel_hlcdc_format_embeds_alpha(state->base.fb->pixel_format)) cfg |= ATMEL_HLCDC_LAYER_LAEN; else - cfg |= ATMEL_HLCDC_LAYER_GAEN; + cfg |= ATMEL_HLCDC_LAYER_GAEN | + ATMEL_HLCDC_LAYER_GA(state->alpha); }

atmel_hlcdc_layer_update_cfg(&plane->layer, @@ -312,24 +359,26 @@ atmel_hlcdc_plane_update_general_settings(struct atmel_hlcdc_plane *plane, ATMEL_HLCDC_LAYER_ITER2BL | ATMEL_HLCDC_LAYER_ITER | ATMEL_HLCDC_LAYER_GAEN | + ATMEL_HLCDC_LAYER_GA_MASK | ATMEL_HLCDC_LAYER_LAEN | ATMEL_HLCDC_LAYER_OVR | ATMEL_HLCDC_LAYER_DMA, cfg); }

static void atmel_hlcdc_plane_update_format(struct atmel_hlcdc_plane *plane, - struct atmel_hlcdc_plane_update_req *req) + struct atmel_hlcdc_plane_state *state) { u32 cfg; int ret;

- ret = atmel_hlcdc_format_to_plane_mode(req->fb->pixel_format, &cfg); + ret = atmel_hlcdc_format_to_plane_mode(state->base.fb->pixel_format, + &cfg); if (ret) return;

- if ((req->fb->pixel_format == DRM_FORMAT_YUV422 || - req->fb->pixel_format == DRM_FORMAT_NV61) && - (plane->rotation & (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270)))) + if ((state->base.fb->pixel_format == DRM_FORMAT_YUV422 || + state->base.fb->pixel_format == DRM_FORMAT_NV61) && + (state->base.rotation & (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270)))) cfg |= ATMEL_HLCDC_YUV422ROT;

atmel_hlcdc_layer_update_cfg(&plane->layer, @@ -341,7 +390,7 @@ static void atmel_hlcdc_plane_update_format(struct atmel_hlcdc_plane *plane, * Rotation optimization is not working on RGB888 (rotation is still * working but without any optimization). */ - if (req->fb->pixel_format == DRM_FORMAT_RGB888) + if (state->base.fb->pixel_format == DRM_FORMAT_RGB888) cfg = ATMEL_HLCDC_LAYER_DMA_ROTDIS; else cfg = 0; @@ -352,73 +401,44 @@ static void atmel_hlcdc_plane_update_format(struct atmel_hlcdc_plane *plane, }

static void atmel_hlcdc_plane_update_buffers(struct atmel_hlcdc_plane *plane, - struct atmel_hlcdc_plane_update_req *req) + struct atmel_hlcdc_plane_state *state) { struct atmel_hlcdc_layer *layer = &plane->layer; const struct atmel_hlcdc_layer_cfg_layout *layout = &layer->desc->layout; int i;

- atmel_hlcdc_layer_update_set_fb(&plane->layer, req->fb, req->offsets); + atmel_hlcdc_layer_update_set_fb(&plane->layer, state->base.fb, + state->offsets);

- for (i = 0; i < req->nplanes; i++) { + for (i = 0; i < state->nplanes; i++) { if (layout->xstride[i]) { atmel_hlcdc_layer_update_cfg(&plane->layer, layout->xstride[i], 0xffffffff, - req->xstride[i]); + state->xstride[i]); }

if (layout->pstride[i]) { atmel_hlcdc_layer_update_cfg(&plane->layer, layout->pstride[i], 0xffffffff, - req->pstride[i]); + state->pstride[i]); } } }

-static int atmel_hlcdc_plane_check_update_req(struct drm_plane *p, - struct atmel_hlcdc_plane_update_req *req, - const struct drm_display_mode *mode) +static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p, + struct drm_plane_state *s) { struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p); + struct atmel_hlcdc_plane_state *state = + drm_plane_state_to_atmel_hlcdc_plane_state(s); const struct atmel_hlcdc_layer_cfg_layout *layout = &plane->layer.desc->layout; - - if (!layout->size && - (mode->hdisplay != req->crtc_w || - mode->vdisplay != req->crtc_h)) - return -EINVAL; - - if (plane->layer.desc->max_height && - req->crtc_h > plane->layer.desc->max_height) - return -EINVAL; - - if (plane->layer.desc->max_width && - req->crtc_w > plane->layer.desc->max_width) - return -EINVAL; - - if ((req->crtc_h != req->src_h || req->crtc_w != req->src_w) && - (!layout->memsize || - atmel_hlcdc_format_embedds_alpha(req->fb->pixel_format))) - return -EINVAL; - - if (req->crtc_x < 0 || req->crtc_y < 0) - return -EINVAL; - - if (req->crtc_w + req->crtc_x > mode->hdisplay || - req->crtc_h + req->crtc_y > mode->vdisplay) - return -EINVAL; - - return 0; -} - -int atmel_hlcdc_plane_prepare_update_req(struct drm_plane *p, - struct atmel_hlcdc_plane_update_req *req, - const struct drm_display_mode *mode) -{ - struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p); + struct drm_framebuffer *fb = state->base.fb; + const struct drm_display_mode *mode; + struct drm_crtc_state *crtc_state; unsigned int patched_crtc_w; unsigned int patched_crtc_h; unsigned int patched_src_w; @@ -430,196 +450,202 @@ int atmel_hlcdc_plane_prepare_update_req(struct drm_plane *p, int vsub = 1; int i;

- if ((req->src_x | req->src_y | req->src_w | req->src_h) & + if (!state->base.crtc || !fb) + return 0; + + crtc_state = s->state->crtc_states[drm_crtc_index(s->crtc)]; + mode = &crtc_state->adjusted_mode; + + state->src_x = s->src_x; + state->src_y = s->src_y; + state->src_h = s->src_h; + state->src_w = s->src_w; + state->crtc_x = s->crtc_x; + state->crtc_y = s->crtc_y; + state->crtc_h = s->crtc_h; + state->crtc_w = s->crtc_w; + if ((state->src_x | state->src_y | state->src_w | state->src_h) & SUBPIXEL_MASK) return -EINVAL;

- req->src_x >>= 16; - req->src_y >>= 16; - req->src_w >>= 16; - req->src_h >>= 16; + state->src_x >>= 16; + state->src_y >>= 16; + state->src_w >>= 16; + state->src_h >>= 16;

- req->nplanes = drm_format_num_planes(req->fb->pixel_format); - if (req->nplanes > ATMEL_HLCDC_MAX_PLANES) + state->nplanes = drm_format_num_planes(fb->pixel_format); + if (state->nplanes > ATMEL_HLCDC_MAX_PLANES) return -EINVAL;

/* * Swap width and size in case of 90 or 270 degrees rotation */ - if (plane->rotation & (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270))) { - tmp = req->crtc_w; - req->crtc_w = req->crtc_h; - req->crtc_h = tmp; - tmp = req->src_w; - req->src_w = req->src_h; - req->src_h = tmp; + if (state->base.rotation & (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270))) { + tmp = state->crtc_w; + state->crtc_w = state->crtc_h; + state->crtc_h = tmp; + tmp = state->src_w; + state->src_w = state->src_h; + state->src_h = tmp; }

- if (req->crtc_x + req->crtc_w > mode->hdisplay) - patched_crtc_w = mode->hdisplay - req->crtc_x; + if (state->crtc_x + state->crtc_w > mode->hdisplay) + patched_crtc_w = mode->hdisplay - state->crtc_x; else - patched_crtc_w = req->crtc_w; + patched_crtc_w = state->crtc_w;

- if (req->crtc_x < 0) { - patched_crtc_w += req->crtc_x; - x_offset = -req->crtc_x; - req->crtc_x = 0; + if (state->crtc_x < 0) { + patched_crtc_w += state->crtc_x; + x_offset = -state->crtc_x; + state->crtc_x = 0; }

- if (req->crtc_y + req->crtc_h > mode->vdisplay) - patched_crtc_h = mode->vdisplay - req->crtc_y; + if (state->crtc_y + state->crtc_h > mode->vdisplay) + patched_crtc_h = mode->vdisplay - state->crtc_y; else - patched_crtc_h = req->crtc_h; + patched_crtc_h = state->crtc_h;

- if (req->crtc_y < 0) { - patched_crtc_h += req->crtc_y; - y_offset = -req->crtc_y; - req->crtc_y = 0; + if (state->crtc_y < 0) { + patched_crtc_h += state->crtc_y; + y_offset = -state->crtc_y; + state->crtc_y = 0; }

- patched_src_w = DIV_ROUND_CLOSEST(patched_crtc_w * req->src_w, - req->crtc_w); - patched_src_h = DIV_ROUND_CLOSEST(patched_crtc_h * req->src_h, - req->crtc_h); + patched_src_w = DIV_ROUND_CLOSEST(patched_crtc_w * state->src_w, + state->crtc_w); + patched_src_h = DIV_ROUND_CLOSEST(patched_crtc_h * state->src_h, + state->crtc_h);

- hsub = drm_format_horz_chroma_subsampling(req->fb->pixel_format); - vsub = drm_format_vert_chroma_subsampling(req->fb->pixel_format); + hsub = drm_format_horz_chroma_subsampling(fb->pixel_format); + vsub = drm_format_vert_chroma_subsampling(fb->pixel_format);

- for (i = 0; i < req->nplanes; i++) { + for (i = 0; i < state->nplanes; i++) { unsigned int offset = 0; int xdiv = i ? hsub : 1; int ydiv = i ? vsub : 1;

- req->bpp[i] = drm_format_plane_cpp(req->fb->pixel_format, i); - if (!req->bpp[i]) + state->bpp[i] = drm_format_plane_cpp(fb->pixel_format, i); + if (!state->bpp[i]) return -EINVAL;

- switch (plane->rotation & 0xf) { + switch (state->base.rotation & 0xf) { case BIT(DRM_ROTATE_90): - offset = ((y_offset + req->src_y + patched_src_w - 1) / - ydiv) * req->fb->pitches[i]; - offset += ((x_offset + req->src_x) / xdiv) * - req->bpp[i]; - req->xstride[i] = ((patched_src_w - 1) / ydiv) * - req->fb->pitches[i]; - req->pstride[i] = -req->fb->pitches[i] - req->bpp[i]; + offset = ((y_offset + state->src_y + patched_src_w - 1) / + ydiv) * fb->pitches[i]; + offset += ((x_offset + state->src_x) / xdiv) * + state->bpp[i]; + state->xstride[i] = ((patched_src_w - 1) / ydiv) * + fb->pitches[i]; + state->pstride[i] = -fb->pitches[i] - state->bpp[i]; break; case BIT(DRM_ROTATE_180): - offset = ((y_offset + req->src_y + patched_src_h - 1) / - ydiv) * req->fb->pitches[i]; - offset += ((x_offset + req->src_x + patched_src_w - 1) / - xdiv) * req->bpp[i]; - req->xstride[i] = ((((patched_src_w - 1) / xdiv) - 1) * - req->bpp[i]) - req->fb->pitches[i]; - req->pstride[i] = -2 * req->bpp[i]; + offset = ((y_offset + state->src_y + patched_src_h - 1) / + ydiv) * fb->pitches[i]; + offset += ((x_offset + state->src_x + patched_src_w - 1) / + xdiv) * state->bpp[i]; + state->xstride[i] = ((((patched_src_w - 1) / xdiv) - 1) * + state->bpp[i]) - fb->pitches[i]; + state->pstride[i] = -2 * state->bpp[i]; break; case BIT(DRM_ROTATE_270): - offset = ((y_offset + req->src_y) / ydiv) * - req->fb->pitches[i]; - offset += ((x_offset + req->src_x + patched_src_h - 1) / - xdiv) * req->bpp[i]; - req->xstride[i] = -(((patched_src_w - 1) / ydiv) * - req->fb->pitches[i]) - - (2 * req->bpp[i]); - req->pstride[i] = req->fb->pitches[i] - req->bpp[i]; + offset = ((y_offset + state->src_y) / ydiv) * + fb->pitches[i]; + offset += ((x_offset + state->src_x + patched_src_h - 1) / + xdiv) * state->bpp[i]; + state->xstride[i] = -(((patched_src_w - 1) / ydiv) * + fb->pitches[i]) - + (2 * state->bpp[i]); + state->pstride[i] = fb->pitches[i] - state->bpp[i]; break; case BIT(DRM_ROTATE_0): default: - offset = ((y_offset + req->src_y) / ydiv) * - req->fb->pitches[i]; - offset += ((x_offset + req->src_x) / xdiv) * - req->bpp[i]; - req->xstride[i] = req->fb->pitches[i] - + offset = ((y_offset + state->src_y) / ydiv) * + fb->pitches[i]; + offset += ((x_offset + state->src_x) / xdiv) * + state->bpp[i]; + state->xstride[i] = fb->pitches[i] - ((patched_src_w / xdiv) * - req->bpp[i]); - req->pstride[i] = 0; + state->bpp[i]); + state->pstride[i] = 0; break; }

- req->offsets[i] = offset + req->fb->offsets[i]; + state->offsets[i] = offset + fb->offsets[i]; }

- req->src_w = patched_src_w; - req->src_h = patched_src_h; - req->crtc_w = patched_crtc_w; - req->crtc_h = patched_crtc_h; + state->src_w = patched_src_w; + state->src_h = patched_src_h; + state->crtc_w = patched_crtc_w; + state->crtc_h = patched_crtc_h;

- return atmel_hlcdc_plane_check_update_req(p, req, mode); -} + if (!layout->size && + (mode->hdisplay != state->crtc_w || + mode->vdisplay != state->crtc_h)) + return -EINVAL;

-int atmel_hlcdc_plane_apply_update_req(struct drm_plane *p, - struct atmel_hlcdc_plane_update_req *req) -{ - struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p); - int ret; + if (plane->layer.desc->max_height && + state->crtc_h > plane->layer.desc->max_height) + return -EINVAL;

- ret = atmel_hlcdc_layer_update_start(&plane->layer); - if (ret) - return ret; + if (plane->layer.desc->max_width && + state->crtc_w > plane->layer.desc->max_width) + return -EINVAL;

- atmel_hlcdc_plane_update_pos_and_size(plane, req); - atmel_hlcdc_plane_update_general_settings(plane, req); - atmel_hlcdc_plane_update_format(plane, req); - atmel_hlcdc_plane_update_buffers(plane, req); + if ((state->crtc_h != state->src_h || state->crtc_w != state->src_w) && + (!layout->memsize || + atmel_hlcdc_format_embeds_alpha(state->base.fb->pixel_format))) + return -EINVAL;

- atmel_hlcdc_layer_update_commit(&plane->layer); + if (state->crtc_x < 0 || state->crtc_y < 0) + return -EINVAL; + + if (state->crtc_w + state->crtc_x > mode->hdisplay || + state->crtc_h + state->crtc_y > mode->vdisplay) + return -EINVAL;

return 0; }

-int atmel_hlcdc_plane_update_with_mode(struct drm_plane *p, - 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, - const struct drm_display_mode *mode) +static int atmel_hlcdc_plane_prepare_fb(struct drm_plane *p, + struct drm_framebuffer *fb) { struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p); - struct atmel_hlcdc_plane_update_req req; - int ret = 0; - - memset(&req, 0, sizeof(req)); - req.crtc_x = crtc_x; - req.crtc_y = crtc_y; - req.crtc_w = crtc_w; - req.crtc_h = crtc_h; - req.src_x = src_x; - req.src_y = src_y; - req.src_w = src_w; - req.src_h = src_h; - req.fb = fb; - - ret = atmel_hlcdc_plane_prepare_update_req(&plane->base, &req, mode); - if (ret) - return ret;

- if (!req.crtc_h || !req.crtc_w) - return atmel_hlcdc_layer_disable(&plane->layer); + return atmel_hlcdc_layer_update_start(&plane->layer); +} + +static void atmel_hlcdc_plane_cleanup_fb(struct drm_plane *p, + struct drm_framebuffer *fb) +{ + struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);

- return atmel_hlcdc_plane_apply_update_req(&plane->base, &req); + atmel_hlcdc_layer_update_rollback(&plane->layer); }

-static int atmel_hlcdc_plane_update(struct drm_plane *p, - 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) +static void atmel_hlcdc_plane_atomic_update(struct drm_plane *p, + struct drm_plane_state *old_s) { - return atmel_hlcdc_plane_update_with_mode(p, crtc, fb, crtc_x, crtc_y, - crtc_w, crtc_h, src_x, src_y, - src_w, src_h, &crtc->hwmode); + struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p); + struct atmel_hlcdc_plane_state *state = + drm_plane_state_to_atmel_hlcdc_plane_state(p->state); + + if (!p->state->crtc || !p->state->fb) + return; + + atmel_hlcdc_plane_update_pos_and_size(plane, state); + atmel_hlcdc_plane_update_general_settings(plane, state); + atmel_hlcdc_plane_update_format(plane, state); + atmel_hlcdc_plane_update_buffers(plane, state); + + atmel_hlcdc_layer_update_commit(&plane->layer); }

-static int atmel_hlcdc_plane_disable(struct drm_plane *p) +static void atmel_hlcdc_plane_atomic_disable(struct drm_plane *p, + struct drm_plane_state *old_state) { struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);

- return atmel_hlcdc_layer_disable(&plane->layer); + atmel_hlcdc_layer_disable(&plane->layer); }

static void atmel_hlcdc_plane_destroy(struct drm_plane *p) @@ -635,38 +661,36 @@ static void atmel_hlcdc_plane_destroy(struct drm_plane *p) devm_kfree(p->dev->dev, plane); }

-static int atmel_hlcdc_plane_set_alpha(struct atmel_hlcdc_plane *plane, - u8 alpha) +static int atmel_hlcdc_plane_atomic_set_property(struct drm_plane *p, + struct drm_plane_state *s, + struct drm_property *property, + uint64_t val) { - atmel_hlcdc_layer_update_start(&plane->layer); - atmel_hlcdc_layer_update_cfg(&plane->layer, - plane->layer.desc->layout.general_config, - ATMEL_HLCDC_LAYER_GA_MASK, - alpha << ATMEL_HLCDC_LAYER_GA_SHIFT); - atmel_hlcdc_layer_update_commit(&plane->layer); - - return 0; -} + struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p); + struct atmel_hlcdc_plane_properties *props = plane->properties; + struct atmel_hlcdc_plane_state *state = + drm_plane_state_to_atmel_hlcdc_plane_state(s);

-static int atmel_hlcdc_plane_set_rotation(struct atmel_hlcdc_plane *plane, - unsigned int rotation) -{ - plane->rotation = rotation; + if (property == props->alpha) + state->alpha = val; + else + return -EINVAL;

return 0; }

-static int atmel_hlcdc_plane_set_property(struct drm_plane *p, - struct drm_property *property, - uint64_t value) +static int atmel_hlcdc_plane_atomic_get_property(struct drm_plane *p, + const struct drm_plane_state *s, + struct drm_property *property, + uint64_t *val) { struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p); struct atmel_hlcdc_plane_properties *props = plane->properties; + const struct atmel_hlcdc_plane_state *state = + container_of(s, const struct atmel_hlcdc_plane_state, base);

if (property == props->alpha) - atmel_hlcdc_plane_set_alpha(plane, value); - else if (property == props->rotation) - atmel_hlcdc_plane_set_rotation(plane, value); + *val = state->alpha; else return -EINVAL;

@@ -694,8 +718,8 @@ static void atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane,

if (desc->layout.xstride && desc->layout.pstride) drm_object_attach_property(&plane->base.base, - props->rotation, - BIT(DRM_ROTATE_0)); + plane->base.dev->mode_config.rotation_property, + BIT(DRM_ROTATE_0));

if (desc->layout.csc) { /* @@ -717,11 +741,75 @@ static void atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane, } }

+static struct drm_plane_helper_funcs atmel_hlcdc_layer_plane_helper_funcs = { + .prepare_fb = atmel_hlcdc_plane_prepare_fb, + .cleanup_fb = atmel_hlcdc_plane_cleanup_fb, + .atomic_check = atmel_hlcdc_plane_atomic_check, + .atomic_update = atmel_hlcdc_plane_atomic_update, + .atomic_disable = atmel_hlcdc_plane_atomic_disable, +}; + +static void atmel_hlcdc_plane_reset(struct drm_plane *p) +{ + struct atmel_hlcdc_plane_state *state; + + if (p->state) { + state = drm_plane_state_to_atmel_hlcdc_plane_state(p->state); + + if (state->base.fb) + drm_framebuffer_unreference(state->base.fb); + + kfree(state); + p->state = NULL; + } + + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (state) { + state->alpha = 255; + p->state = &state->base; + p->state->plane = p; + } +} + +static struct drm_plane_state * +atmel_hlcdc_plane_atomic_duplicate_state(struct drm_plane *p) +{ + struct atmel_hlcdc_plane_state *state = + drm_plane_state_to_atmel_hlcdc_plane_state(p->state); + struct atmel_hlcdc_plane_state *copy; + + copy = kmemdup(state, sizeof(*state), GFP_KERNEL); + if (!copy) + return NULL; + + if (copy->base.fb) + drm_framebuffer_reference(copy->base.fb); + + return &copy->base; +} + +static void atmel_hlcdc_plane_atomic_destroy_state(struct drm_plane *plane, + struct drm_plane_state *s) +{ + struct atmel_hlcdc_plane_state *state = + drm_plane_state_to_atmel_hlcdc_plane_state(s); + + if (s->fb) + drm_framebuffer_unreference(s->fb); + + kfree(state); +} + static struct drm_plane_funcs layer_plane_funcs = { - .update_plane = atmel_hlcdc_plane_update, - .disable_plane = atmel_hlcdc_plane_disable, - .set_property = atmel_hlcdc_plane_set_property, + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .set_property = drm_atomic_helper_plane_set_property, .destroy = atmel_hlcdc_plane_destroy, + .reset = atmel_hlcdc_plane_reset, + .atomic_duplicate_state = atmel_hlcdc_plane_atomic_duplicate_state, + .atomic_destroy_state = atmel_hlcdc_plane_atomic_destroy_state, + .atomic_set_property = atmel_hlcdc_plane_atomic_set_property, + .atomic_get_property = atmel_hlcdc_plane_atomic_get_property, };

static struct atmel_hlcdc_plane * @@ -755,6 +843,9 @@ atmel_hlcdc_plane_create(struct drm_device *dev, if (ret) return ERR_PTR(ret);

+ drm_plane_helper_add(&plane->base, + &atmel_hlcdc_layer_plane_helper_funcs); + /* Set default property values*/ atmel_hlcdc_plane_init_properties(plane, desc, props);

@@ -774,12 +865,13 @@ atmel_hlcdc_plane_create_properties(struct drm_device *dev) if (!props->alpha) return ERR_PTR(-ENOMEM);

- props->rotation = drm_mode_create_rotation_property(dev, - BIT(DRM_ROTATE_0) | - BIT(DRM_ROTATE_90) | - BIT(DRM_ROTATE_180) | - BIT(DRM_ROTATE_270)); - if (!props->rotation) + dev->mode_config.rotation_property = + drm_mode_create_rotation_property(dev, + BIT(DRM_ROTATE_0) | + BIT(DRM_ROTATE_90) | + BIT(DRM_ROTATE_180) | + BIT(DRM_ROTATE_270)); + if (!dev->mode_config.rotation_property) return ERR_PTR(-ENOMEM);

return props;