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Merge branch 'drm-atmel-hlcdc-devel' of git://github.com/bbrezillon/linux-at91 into drm-next 

This pull request includes:
- support for Atomic mode setting
- the discard area optimization
- implementation of PM primitives

* 'drm-atmel-hlcdc-devel' of git://github.com/bbrezillon/linux-at91:
  drm: atmel-hlcdc: Add pinctrl PM select sleep,default state in CRTC suspend/resume
  drm: atmel-hlcdc: Add PM suspend/resume support
  drm: atmel-hlcdc: add discard area support
  drm: atmel-hlcdc: Atomic mode-setting conversion
This commit is contained in:
Dave Airlie 2015-03-05 09:38:56 +10:00
parent 7e4774843b 16e6004eb7
commit 87dc8b6cbd
7 changed files with 624 additions and 505 deletions
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304
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
View File

@ -21,6 +21,7 @@
#include <linux/clk.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/pinctrl/consumer.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
@ -37,14 +38,14 @@
* @hlcdc: pointer to the atmel_hlcdc structure provided by the MFD device
* @event: pointer to the current page flip event
* @id: CRTC id (returned by drm_crtc_index)
* @dpms: DPMS mode
* @enabled: CRTC state
*/
struct atmel_hlcdc_crtc {
struct drm_crtc base;
struct atmel_hlcdc_dc *dc;
struct drm_pending_vblank_event *event;
int id;
int dpms;
bool enabled;
};
static inline struct atmel_hlcdc_crtc *
@ -53,86 +54,17 @@ drm_crtc_to_atmel_hlcdc_crtc(struct drm_crtc *crtc)
return container_of(crtc, struct atmel_hlcdc_crtc, base);
}
static void atmel_hlcdc_crtc_dpms(struct drm_crtc *c, int mode)
{
struct drm_device *dev = c->dev;
struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c);
struct regmap *regmap = crtc->dc->hlcdc->regmap;
unsigned int status;
if (mode != DRM_MODE_DPMS_ON)
mode = DRM_MODE_DPMS_OFF;
if (crtc->dpms == mode)
return;
pm_runtime_get_sync(dev->dev);
if (mode != DRM_MODE_DPMS_ON) {
regmap_write(regmap, ATMEL_HLCDC_DIS, ATMEL_HLCDC_DISP);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
(status & ATMEL_HLCDC_DISP))
cpu_relax();
regmap_write(regmap, ATMEL_HLCDC_DIS, ATMEL_HLCDC_SYNC);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
(status & ATMEL_HLCDC_SYNC))
cpu_relax();
regmap_write(regmap, ATMEL_HLCDC_DIS, ATMEL_HLCDC_PIXEL_CLK);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
(status & ATMEL_HLCDC_PIXEL_CLK))
cpu_relax();
clk_disable_unprepare(crtc->dc->hlcdc->sys_clk);
pm_runtime_allow(dev->dev);
} else {
pm_runtime_forbid(dev->dev);
clk_prepare_enable(crtc->dc->hlcdc->sys_clk);
regmap_write(regmap, ATMEL_HLCDC_EN, ATMEL_HLCDC_PIXEL_CLK);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
!(status & ATMEL_HLCDC_PIXEL_CLK))
cpu_relax();
regmap_write(regmap, ATMEL_HLCDC_EN, ATMEL_HLCDC_SYNC);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
!(status & ATMEL_HLCDC_SYNC))
cpu_relax();
regmap_write(regmap, ATMEL_HLCDC_EN, ATMEL_HLCDC_DISP);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
!(status & ATMEL_HLCDC_DISP))
cpu_relax();
}
pm_runtime_put_sync(dev->dev);
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 +88,7 @@ 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 +106,10 @@ 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),
@ -187,44 +119,6 @@ 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)
{
atmel_hlcdc_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
}
static void atmel_hlcdc_crtc_commit(struct drm_crtc *crtc)
{
atmel_hlcdc_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
}
static bool atmel_hlcdc_crtc_mode_fixup(struct drm_crtc *crtc,
@ -234,30 +128,125 @@ static bool atmel_hlcdc_crtc_mode_fixup(struct drm_crtc *crtc,
return true;
}
static void atmel_hlcdc_crtc_disable(struct drm_crtc *crtc)
static void atmel_hlcdc_crtc_disable(struct drm_crtc *c)
{
struct drm_plane *plane;
struct drm_device *dev = c->dev;
struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c);
struct regmap *regmap = crtc->dc->hlcdc->regmap;
unsigned int status;
atmel_hlcdc_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
crtc->primary->funcs->disable_plane(crtc->primary);
if (!crtc->enabled)
return;
drm_for_each_legacy_plane(plane, &crtc->dev->mode_config.plane_list) {
if (plane->crtc != crtc)
continue;
drm_crtc_vblank_off(c);
plane->funcs->disable_plane(crtc->primary);
plane->crtc = NULL;
pm_runtime_get_sync(dev->dev);
regmap_write(regmap, ATMEL_HLCDC_DIS, ATMEL_HLCDC_DISP);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
(status & ATMEL_HLCDC_DISP))
cpu_relax();
regmap_write(regmap, ATMEL_HLCDC_DIS, ATMEL_HLCDC_SYNC);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
(status & ATMEL_HLCDC_SYNC))
cpu_relax();
regmap_write(regmap, ATMEL_HLCDC_DIS, ATMEL_HLCDC_PIXEL_CLK);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
(status & ATMEL_HLCDC_PIXEL_CLK))
cpu_relax();
clk_disable_unprepare(crtc->dc->hlcdc->sys_clk);
pinctrl_pm_select_sleep_state(dev->dev);
pm_runtime_allow(dev->dev);
pm_runtime_put_sync(dev->dev);
crtc->enabled = false;
}
static void atmel_hlcdc_crtc_enable(struct drm_crtc *c)
{
struct drm_device *dev = c->dev;
struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c);
struct regmap *regmap = crtc->dc->hlcdc->regmap;
unsigned int status;
if (crtc->enabled)
return;
pm_runtime_get_sync(dev->dev);
pm_runtime_forbid(dev->dev);
pinctrl_pm_select_default_state(dev->dev);
clk_prepare_enable(crtc->dc->hlcdc->sys_clk);
regmap_write(regmap, ATMEL_HLCDC_EN, ATMEL_HLCDC_PIXEL_CLK);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
!(status & ATMEL_HLCDC_PIXEL_CLK))
cpu_relax();
regmap_write(regmap, ATMEL_HLCDC_EN, ATMEL_HLCDC_SYNC);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
!(status & ATMEL_HLCDC_SYNC))
cpu_relax();
regmap_write(regmap, ATMEL_HLCDC_EN, ATMEL_HLCDC_DISP);
while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) &&
!(status & ATMEL_HLCDC_DISP))
cpu_relax();
pm_runtime_put_sync(dev->dev);
drm_crtc_vblank_on(c);
crtc->enabled = true;
}
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 atmel_hlcdc_plane_prepare_disc_area(s);
}
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,
.prepare = atmel_hlcdc_crtc_prepare,
.commit = atmel_hlcdc_crtc_commit,
.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,
.disable = atmel_hlcdc_crtc_disable,
.enable = atmel_hlcdc_crtc_enable,
.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 +295,13 @@ 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)
@ -375,7 +316,6 @@ int atmel_hlcdc_crtc_create(struct drm_device *dev)
if (!crtc)
return -ENOMEM;
crtc->dpms = DRM_MODE_DPMS_OFF;
crtc->dc = dc;
ret = drm_crtc_init_with_planes(dev, &crtc->base,

51
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
View File

@ -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");
@ -557,6 +561,52 @@ static int atmel_hlcdc_dc_drm_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_PM
static int atmel_hlcdc_dc_drm_suspend(struct device *dev)
{
struct drm_device *drm_dev = dev_get_drvdata(dev);
struct drm_crtc *crtc;
if (pm_runtime_suspended(dev))
return 0;
drm_modeset_lock_all(drm_dev);
list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
if (crtc->enabled) {
crtc_funcs->disable(crtc);
/* save enable state for resume */
crtc->enabled = true;
}
}
drm_modeset_unlock_all(drm_dev);
return 0;
}
static int atmel_hlcdc_dc_drm_resume(struct device *dev)
{
struct drm_device *drm_dev = dev_get_drvdata(dev);
struct drm_crtc *crtc;
if (pm_runtime_suspended(dev))
return 0;
drm_modeset_lock_all(drm_dev);
list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
if (crtc->enabled) {
crtc->enabled = false;
crtc_funcs->enable(crtc);
}
}
drm_modeset_unlock_all(drm_dev);
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(atmel_hlcdc_dc_drm_pm_ops,
atmel_hlcdc_dc_drm_suspend, atmel_hlcdc_dc_drm_resume);
static const struct of_device_id atmel_hlcdc_dc_of_match[] = {
{ .compatible = "atmel,hlcdc-display-controller" },
{ },
@ -567,6 +617,7 @@ static struct platform_driver atmel_hlcdc_dc_platform_driver = {
.remove = atmel_hlcdc_dc_drm_remove,
.driver = {
.name = "atmel-hlcdc-display-controller",
.pm = &atmel_hlcdc_dc_drm_pm_ops,
.of_match_table = atmel_hlcdc_dc_of_match,
},
};

59
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
View File

@ -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 *
@ -99,43 +100,6 @@ atmel_hlcdc_layer_to_plane(struct atmel_hlcdc_layer *l)
return container_of(l, struct atmel_hlcdc_plane, layer);
}
/**
* Atmel HLCDC Plane update request structure.
*
* @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
* @fb: framebuffer object object
* @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_update_req {
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_framebuffer *fb;
/* 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;
};
/**
* Atmel HLCDC Planes.
*
@ -184,22 +148,7 @@ int atmel_hlcdc_dc_mode_valid(struct atmel_hlcdc_dc *dc,
struct atmel_hlcdc_planes *
atmel_hlcdc_create_planes(struct drm_device *dev);
int atmel_hlcdc_plane_prepare_update_req(struct drm_plane *p,
struct atmel_hlcdc_plane_update_req *req,
const struct drm_display_mode *mode);
int atmel_hlcdc_plane_apply_update_req(struct drm_plane *p,
struct atmel_hlcdc_plane_update_req *req);
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);
int atmel_hlcdc_plane_prepare_disc_area(struct drm_crtc_state *c_state);
void atmel_hlcdc_crtc_irq(struct drm_crtc *c);

4
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c
View File

@ -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)

3
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.h
View File

@ -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);

41
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c
View File

@ -86,25 +86,22 @@ atmel_hlcdc_rgb_output_to_panel(struct atmel_hlcdc_rgb_output *output)
return container_of(output, struct atmel_hlcdc_panel, base);
}
static void atmel_hlcdc_panel_encoder_dpms(struct drm_encoder *encoder,
int mode)
static void atmel_hlcdc_panel_encoder_enable(struct drm_encoder *encoder)
{
struct atmel_hlcdc_rgb_output *rgb =
drm_encoder_to_atmel_hlcdc_rgb_output(encoder);
struct atmel_hlcdc_panel *panel = atmel_hlcdc_rgb_output_to_panel(rgb);
if (mode != DRM_MODE_DPMS_ON)
mode = DRM_MODE_DPMS_OFF;
drm_panel_enable(panel->panel);
}
if (mode == rgb->dpms)
return;
static void atmel_hlcdc_panel_encoder_disable(struct drm_encoder *encoder)
{
struct atmel_hlcdc_rgb_output *rgb =
drm_encoder_to_atmel_hlcdc_rgb_output(encoder);
struct atmel_hlcdc_panel *panel = atmel_hlcdc_rgb_output_to_panel(rgb);
if (mode != DRM_MODE_DPMS_ON)
drm_panel_disable(panel->panel);
else
drm_panel_enable(panel->panel);
rgb->dpms = mode;
drm_panel_disable(panel->panel);
}
static bool
@ -115,16 +112,6 @@ atmel_hlcdc_panel_encoder_mode_fixup(struct drm_encoder *encoder,
return true;
}
static void atmel_hlcdc_panel_encoder_prepare(struct drm_encoder *encoder)
{
atmel_hlcdc_panel_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
}
static void atmel_hlcdc_panel_encoder_commit(struct drm_encoder *encoder)
{
atmel_hlcdc_panel_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
}
static void
atmel_hlcdc_rgb_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
@ -156,11 +143,10 @@ atmel_hlcdc_rgb_encoder_mode_set(struct drm_encoder *encoder,
}
static struct drm_encoder_helper_funcs atmel_hlcdc_panel_encoder_helper_funcs = {
.dpms = atmel_hlcdc_panel_encoder_dpms,
.mode_fixup = atmel_hlcdc_panel_encoder_mode_fixup,
.prepare = atmel_hlcdc_panel_encoder_prepare,
.commit = atmel_hlcdc_panel_encoder_commit,
.mode_set = atmel_hlcdc_rgb_encoder_mode_set,
.disable = atmel_hlcdc_panel_encoder_disable,
.enable = atmel_hlcdc_panel_encoder_enable,
};
static void atmel_hlcdc_rgb_encoder_destroy(struct drm_encoder *encoder)
@ -226,10 +212,13 @@ atmel_hlcdc_panel_connector_destroy(struct drm_connector *connector)
}
static const struct drm_connector_funcs atmel_hlcdc_panel_connector_funcs = {
.dpms = drm_helper_connector_dpms,
.dpms = drm_atomic_helper_connector_dpms,
.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,

667
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
View File

@ -19,6 +19,59 @@
#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;
bool disc_updated;
int disc_x;
int disc_y;
int disc_w;
int disc_h;
/* 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 +181,7 @@ 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 +257,7 @@ 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 +266,69 @@ 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 +340,7 @@ 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 +350,11 @@ 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 +366,26 @@ 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 +397,7 @@ 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 +408,142 @@ 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)
int
atmel_hlcdc_plane_prepare_disc_area(struct drm_crtc_state *c_state)
{
struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);
const struct atmel_hlcdc_layer_cfg_layout *layout =
&plane->layer.desc->layout;
int disc_x = 0, disc_y = 0, disc_w = 0, disc_h = 0;
const struct atmel_hlcdc_layer_cfg_layout *layout;
struct atmel_hlcdc_plane_state *primary_state;
struct drm_plane_state *primary_s;
struct atmel_hlcdc_plane *primary;
struct drm_plane *ovl;
if (!layout->size &&
(mode->hdisplay != req->crtc_w ||
mode->vdisplay != req->crtc_h))
return -EINVAL;
primary = drm_plane_to_atmel_hlcdc_plane(c_state->crtc->primary);
layout = &primary->layer.desc->layout;
if (!layout->disc_pos || !layout->disc_size)
return 0;
if (plane->layer.desc->max_height &&
req->crtc_h > plane->layer.desc->max_height)
return -EINVAL;
primary_s = drm_atomic_get_plane_state(c_state->state,
&primary->base);
if (IS_ERR(primary_s))
return PTR_ERR(primary_s);
if (plane->layer.desc->max_width &&
req->crtc_w > plane->layer.desc->max_width)
return -EINVAL;
primary_state = drm_plane_state_to_atmel_hlcdc_plane_state(primary_s);
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;
drm_atomic_crtc_state_for_each_plane(ovl, c_state) {
struct atmel_hlcdc_plane_state *ovl_state;
struct drm_plane_state *ovl_s;
if (req->crtc_x < 0 || req->crtc_y < 0)
return -EINVAL;
if (ovl == c_state->crtc->primary)
continue;
if (req->crtc_w + req->crtc_x > mode->hdisplay ||
req->crtc_h + req->crtc_y > mode->vdisplay)
return -EINVAL;
ovl_s = drm_atomic_get_plane_state(c_state->state, ovl);
if (IS_ERR(ovl_s))
return PTR_ERR(ovl_s);
ovl_state = drm_plane_state_to_atmel_hlcdc_plane_state(ovl_s);
if (!ovl_s->fb ||
atmel_hlcdc_format_embeds_alpha(ovl_s->fb->pixel_format) ||
ovl_state->alpha != 255)
continue;
/* TODO: implement a smarter hidden area detection */
if (ovl_state->crtc_h * ovl_state->crtc_w < disc_h * disc_w)
continue;
disc_x = ovl_state->crtc_x;
disc_y = ovl_state->crtc_y;
disc_h = ovl_state->crtc_h;
disc_w = ovl_state->crtc_w;
}
if (disc_x == primary_state->disc_x &&
disc_y == primary_state->disc_y &&
disc_w == primary_state->disc_w &&
disc_h == primary_state->disc_h)
return 0;
primary_state->disc_x = disc_x;
primary_state->disc_y = disc_y;
primary_state->disc_w = disc_w;
primary_state->disc_h = disc_h;
primary_state->disc_updated = true;
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)
static void
atmel_hlcdc_plane_update_disc_area(struct atmel_hlcdc_plane *plane,
struct atmel_hlcdc_plane_state *state)
{
const struct atmel_hlcdc_layer_cfg_layout *layout =
&plane->layer.desc->layout;
int disc_surface = 0;
if (!state->disc_updated)
return;
disc_surface = state->disc_h * state->disc_w;
atmel_hlcdc_layer_update_cfg(&plane->layer, layout->general_config,
ATMEL_HLCDC_LAYER_DISCEN,
disc_surface ? ATMEL_HLCDC_LAYER_DISCEN : 0);
if (!disc_surface)
return;
atmel_hlcdc_layer_update_cfg(&plane->layer,
layout->disc_pos,
0xffffffff,
state->disc_x | (state->disc_y << 16));
atmel_hlcdc_layer_update_cfg(&plane->layer,
layout->disc_size,
0xffffffff,
(state->disc_w - 1) |
((state->disc_h - 1) << 16));
}
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;
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 +555,195 @@ 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)
{
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_plane_apply_update_req(&plane->base, &req);
}
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)
{
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);
}
static int atmel_hlcdc_plane_disable(struct drm_plane *p)
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);
return atmel_hlcdc_layer_disable(&plane->layer);
return atmel_hlcdc_layer_update_start(&plane->layer);
}
static void atmel_hlcdc_plane_atomic_update(struct drm_plane *p,
struct drm_plane_state *old_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(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_plane_update_disc_area(plane, state);
atmel_hlcdc_layer_update_commit(&plane->layer);
}
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);
atmel_hlcdc_layer_disable(&plane->layer);
}
static void atmel_hlcdc_plane_destroy(struct drm_plane *p)
@ -635,38 +759,36 @@ 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)
{
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;
}
static int atmel_hlcdc_plane_set_rotation(struct atmel_hlcdc_plane *plane,
unsigned int rotation)
{
plane->rotation = rotation;
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_set_property(struct drm_plane *p,
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;
struct atmel_hlcdc_plane_state *state =
drm_plane_state_to_atmel_hlcdc_plane_state(s);
if (property == props->alpha)
atmel_hlcdc_plane_set_alpha(plane, value);
else if (property == props->rotation)
atmel_hlcdc_plane_set_rotation(plane, value);
state->alpha = val;
else
return -EINVAL;
return 0;
}
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)
*val = state->alpha;
else
return -EINVAL;
@ -694,8 +816,8 @@ 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 +839,76 @@ 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,
.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;
copy->disc_updated = false;
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 +942,9 @@ 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 +964,13 @@ 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;