From: Vincent Abriou vincent.abriou@st.com
Better fit STI hardware structure. Planes are no more responsible of updating mixer information such as z-order and status. It is now up to the CRTC atomic flush to do it. Plane actions (enable or disable) are performed atomically. Disabling of a plane is synchronize with the vsync event.
Signed-off-by: Vincent Abriou vincent.abriou@st.com Reviewed-by: Benjamin Gaignard benjamin.gaignard@linaro.org --- drivers/gpu/drm/sti/sti_compositor.c | 32 +-- drivers/gpu/drm/sti/sti_crtc.c | 133 +++++++--- drivers/gpu/drm/sti/sti_cursor.c | 211 +++++++++------ drivers/gpu/drm/sti/sti_cursor.h | 6 +- drivers/gpu/drm/sti/sti_gdp.c | 493 +++++++++++++++++++---------------- drivers/gpu/drm/sti/sti_gdp.h | 8 +- drivers/gpu/drm/sti/sti_hqvdp.c | 429 ++++++++++++++++-------------- drivers/gpu/drm/sti/sti_mixer.c | 10 +- drivers/gpu/drm/sti/sti_mixer.h | 11 +- drivers/gpu/drm/sti/sti_plane.c | 253 ++---------------- drivers/gpu/drm/sti/sti_plane.h | 66 ++--- drivers/gpu/drm/sti/sti_vid.c | 29 ++- drivers/gpu/drm/sti/sti_vid.h | 5 +- 13 files changed, 809 insertions(+), 877 deletions(-)
diff --git a/drivers/gpu/drm/sti/sti_compositor.c b/drivers/gpu/drm/sti/sti_compositor.c index d62ed7f..c652627 100644 --- a/drivers/gpu/drm/sti/sti_compositor.c +++ b/drivers/gpu/drm/sti/sti_compositor.c @@ -61,15 +61,13 @@ static int sti_compositor_bind(struct device *dev, { struct sti_compositor *compo = dev_get_drvdata(dev); struct drm_device *drm_dev = data; - unsigned int i, mixer_id = 0, vid_id = 0, crtc_id = 0, plane_id = 0; + unsigned int i, mixer_id = 0, vid_id = 0, crtc_id = 0; struct sti_private *dev_priv = drm_dev->dev_private; struct drm_plane *cursor = NULL; struct drm_plane *primary = NULL; struct sti_compositor_subdev_descriptor *desc = compo->data.subdev_desc; unsigned int array_size = compo->data.nb_subdev;
- struct sti_plane *plane; - dev_priv->compo = compo;
/* Register mixer subdev and video subdev first */ @@ -110,27 +108,25 @@ static int sti_compositor_bind(struct device *dev, /* Nothing to do, already done at the first round */ break; case STI_CURSOR_SUBDEV: - plane = sti_cursor_create(compo->dev, desc[i].id, - compo->regs + desc[i].offset); - if (!plane) { + cursor = sti_cursor_create(drm_dev, compo->dev, + desc[i].id, + compo->regs + desc[i].offset, + 1); + if (!cursor) { DRM_ERROR("Can't create CURSOR plane\n"); break; } - cursor = sti_plane_init(drm_dev, plane, 1, - DRM_PLANE_TYPE_CURSOR); - plane_id++; break; case STI_GPD_SUBDEV: - plane = sti_gdp_create(compo->dev, desc[i].id, - compo->regs + desc[i].offset); - if (!plane) { + primary = sti_gdp_create(drm_dev, compo->dev, + desc[i].id, + compo->regs + desc[i].offset, + (1 << mixer_id) - 1, + plane_type); + if (!primary) { DRM_ERROR("Can't create GDP plane\n"); break; } - primary = sti_plane_init(drm_dev, plane, - (1 << mixer_id) - 1, - plane_type); - plane_id++; break; default: DRM_ERROR("Unknown subdev compoment type\n"); @@ -151,10 +147,6 @@ static int sti_compositor_bind(struct device *dev, /* Allow usage of vblank without having to call drm_irq_install */ drm_dev->irq_enabled = 1;
- DRM_DEBUG_DRIVER("Initialized %d DRM CRTC(s) and %d DRM plane(s)\n", - crtc_id, plane_id); - DRM_DEBUG_DRIVER("DRM plane(s) for VID/VDP not created yet\n"); - return 0; }
diff --git a/drivers/gpu/drm/sti/sti_crtc.c b/drivers/gpu/drm/sti/sti_crtc.c index 27b3ef2..23fc2db 100644 --- a/drivers/gpu/drm/sti/sti_crtc.c +++ b/drivers/gpu/drm/sti/sti_crtc.c @@ -17,20 +17,18 @@ #include "sti_compositor.h" #include "sti_crtc.h" #include "sti_drv.h" +#include "sti_vid.h" #include "sti_vtg.h"
-static void sti_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - DRM_DEBUG_KMS("\n"); -} - -static void sti_crtc_prepare(struct drm_crtc *crtc) +static void sti_crtc_enable(struct drm_crtc *crtc) { struct sti_mixer *mixer = to_sti_mixer(crtc); struct device *dev = mixer->dev; struct sti_compositor *compo = dev_get_drvdata(dev);
- mixer->enabled = true; + DRM_DEBUG_DRIVER("\n"); + + mixer->status = STI_MIXER_READY;
/* Prepare and enable the compo IP clock */ if (mixer->id == STI_MIXER_MAIN) { @@ -41,31 +39,16 @@ static void sti_crtc_prepare(struct drm_crtc *crtc) DRM_INFO("Failed to prepare/enable compo_aux clk\n"); }
- sti_mixer_clear_all_planes(mixer); + drm_crtc_vblank_on(crtc); }
-static void sti_crtc_commit(struct drm_crtc *crtc) +static void sti_crtc_disabling(struct drm_crtc *crtc) { struct sti_mixer *mixer = to_sti_mixer(crtc); - struct device *dev = mixer->dev; - struct sti_compositor *compo = dev_get_drvdata(dev); - struct sti_plane *plane; - - if ((!mixer || !compo)) { - DRM_ERROR("Can't find mixer or compositor)\n"); - return; - } - - /* get GDP which is reserved to the CRTC FB */ - plane = to_sti_plane(crtc->primary); - if (!plane) - DRM_ERROR("Can't find CRTC dedicated plane (GDP0)\n");
- /* Enable plane on mixer */ - if (sti_mixer_set_plane_status(mixer, plane, true)) - DRM_ERROR("Cannot enable plane at mixer\n"); + DRM_DEBUG_DRIVER("\n");
- drm_crtc_vblank_on(crtc); + mixer->status = STI_MIXER_DISABLING; }
static bool sti_crtc_mode_fixup(struct drm_crtc *crtc, @@ -133,9 +116,6 @@ static void sti_crtc_disable(struct drm_crtc *crtc) struct device *dev = mixer->dev; struct sti_compositor *compo = dev_get_drvdata(dev);
- if (!mixer->enabled) - return; - DRM_DEBUG_KMS("CRTC:%d (%s)\n", crtc->base.id, sti_mixer_to_str(mixer));
/* Disable Background */ @@ -152,13 +132,13 @@ static void sti_crtc_disable(struct drm_crtc *crtc) clk_disable_unprepare(compo->clk_compo_aux); }
- mixer->enabled = false; + mixer->status = STI_MIXER_DISABLED; }
static void sti_crtc_mode_set_nofb(struct drm_crtc *crtc) { - sti_crtc_prepare(crtc); + sti_crtc_enable(crtc); sti_crtc_mode_set(crtc, &crtc->state->adjusted_mode); }
@@ -178,17 +158,79 @@ static void sti_crtc_atomic_begin(struct drm_crtc *crtc)
static void sti_crtc_atomic_flush(struct drm_crtc *crtc) { + struct drm_device *drm_dev = crtc->dev; + struct sti_mixer *mixer = to_sti_mixer(crtc); + struct sti_compositor *compo = dev_get_drvdata(mixer->dev); + struct drm_plane *p; + + DRM_DEBUG_DRIVER("\n"); + + /* perform plane actions */ + list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) { + struct sti_plane *plane = to_sti_plane(p); + + switch (plane->status) { + case STI_PLANE_UPDATED: + /* update planes tag as updated */ + DRM_DEBUG_DRIVER("update plane %s\n", + sti_plane_to_str(plane)); + + if (sti_mixer_set_plane_depth(mixer, plane)) { + DRM_ERROR("Cannot set plane %s depth\n", + sti_plane_to_str(plane)); + break; + } + + if (sti_mixer_set_plane_status(mixer, plane, true)) { + DRM_ERROR("Cannot enable plane %s at mixer\n", + sti_plane_to_str(plane)); + break; + } + + /* if plane is HQVDP_0 then commit the vid[0] */ + if (plane->desc == STI_HQVDP_0) + sti_vid_commit(compo->vid[0], p->state); + + plane->status = STI_PLANE_READY; + + break; + case STI_PLANE_DISABLING: + /* disabling sequence for planes tag as disabling */ + DRM_DEBUG_DRIVER("disable plane %s from mixer\n", + sti_plane_to_str(plane)); + + if (sti_mixer_set_plane_status(mixer, plane, false)) { + DRM_ERROR("Cannot disable plane %s at mixer\n", + sti_plane_to_str(plane)); + continue; + } + + if (plane->desc == STI_CURSOR) + /* tag plane status for disabled */ + plane->status = STI_PLANE_DISABLED; + else + /* tag plane status for flushing */ + plane->status = STI_PLANE_FLUSHING; + + /* if plane is HQVDP_0 then disable the vid[0] */ + if (plane->desc == STI_HQVDP_0) + sti_vid_disable(compo->vid[0]); + + break; + default: + /* Other status case are not handled */ + break; + } + } }
static struct drm_crtc_helper_funcs sti_crtc_helper_funcs = { - .dpms = sti_crtc_dpms, - .prepare = sti_crtc_prepare, - .commit = sti_crtc_commit, + .enable = sti_crtc_enable, + .disable = sti_crtc_disabling, .mode_fixup = sti_crtc_mode_fixup, .mode_set = drm_helper_crtc_mode_set, .mode_set_nofb = sti_crtc_mode_set_nofb, .mode_set_base = drm_helper_crtc_mode_set_base, - .disable = sti_crtc_disable, .atomic_begin = sti_crtc_atomic_begin, .atomic_flush = sti_crtc_atomic_flush, }; @@ -237,6 +279,21 @@ int sti_crtc_vblank_cb(struct notifier_block *nb, } spin_unlock_irqrestore(&drm_dev->event_lock, flags);
+ if (compo->mixer[*crtc]->status == STI_MIXER_DISABLING) { + struct drm_plane *p; + + /* Disable mixer only if all overlay planes (GDP and VDP) + * are disabled */ + list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) { + struct sti_plane *plane = to_sti_plane(p); + + if ((plane->desc & STI_PLANE_TYPE_MASK) <= STI_VDP) + if (plane->status != STI_PLANE_DISABLED) + return 0; + } + sti_crtc_disable(&compo->mixer[*crtc]->drm_crtc); + } + return 0; }
@@ -259,9 +316,9 @@ int sti_crtc_enable_vblank(struct drm_device *dev, int crtc) } EXPORT_SYMBOL(sti_crtc_enable_vblank);
-void sti_crtc_disable_vblank(struct drm_device *dev, int crtc) +void sti_crtc_disable_vblank(struct drm_device *drm_dev, int crtc) { - struct sti_private *priv = dev->dev_private; + struct sti_private *priv = drm_dev->dev_private; struct sti_compositor *compo = priv->compo; struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb;
@@ -273,7 +330,7 @@ void sti_crtc_disable_vblank(struct drm_device *dev, int crtc)
/* free the resources of the pending requests */ if (compo->mixer[crtc]->pending_event) { - drm_vblank_put(dev, crtc); + drm_vblank_put(drm_dev, crtc); compo->mixer[crtc]->pending_event = NULL; } } diff --git a/drivers/gpu/drm/sti/sti_cursor.c b/drivers/gpu/drm/sti/sti_cursor.c index 2868909..dd10321 100644 --- a/drivers/gpu/drm/sti/sti_cursor.c +++ b/drivers/gpu/drm/sti/sti_cursor.c @@ -7,6 +7,12 @@ */ #include <drm/drmP.h>
+#include <drm/drm_atomic_helper.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h> +#include <drm/drm_plane_helper.h> + +#include "sti_compositor.h" #include "sti_cursor.h" #include "sti_plane.h" #include "sti_vtg.h" @@ -42,14 +48,14 @@ struct dma_pixmap { /** * STI Cursor structure * - * @sti_plane: sti_plane structure - * @dev: driver device - * @regs: cursor registers - * @width: cursor width - * @height: cursor height - * @clut: color look up table - * @clut_paddr: color look up table physical address - * @pixmap: pixmap dma buffer (clut8-format cursor) + * @sti_plane: sti_plane structure + * @dev: driver device + * @regs: cursor registers + * @width: cursor width + * @height: cursor height + * @clut: color look up table + * @clut_paddr: color look up table physical address + * @pixmap: pixmap dma buffer (clut8-format cursor) */ struct sti_cursor { struct sti_plane plane; @@ -68,20 +74,8 @@ static const uint32_t cursor_supported_formats[] = {
#define to_sti_cursor(x) container_of(x, struct sti_cursor, plane)
-static const uint32_t *sti_cursor_get_formats(struct sti_plane *plane) -{ - return cursor_supported_formats; -} - -static unsigned int sti_cursor_get_nb_formats(struct sti_plane *plane) -{ - return ARRAY_SIZE(cursor_supported_formats); -} - -static void sti_cursor_argb8888_to_clut8(struct sti_plane *plane) +static void sti_cursor_argb8888_to_clut8(struct sti_cursor *cursor, u32 *src) { - struct sti_cursor *cursor = to_sti_cursor(plane); - u32 *src = plane->vaddr; u8 *dst = cursor->pixmap.base; unsigned int i, j; u32 a, r, g, b; @@ -100,32 +94,67 @@ static void sti_cursor_argb8888_to_clut8(struct sti_plane *plane) } }
-static int sti_cursor_prepare_plane(struct sti_plane *plane, bool first_prepare) +static void sti_cursor_init(struct sti_cursor *cursor) +{ + unsigned short *base = cursor->clut; + unsigned int a, r, g, b; + + /* Assign CLUT values, ARGB444 format */ + for (a = 0; a < 4; a++) + for (r = 0; r < 4; r++) + for (g = 0; g < 4; g++) + for (b = 0; b < 4; b++) + *base++ = (a * 5) << 12 | + (r * 5) << 8 | + (g * 5) << 4 | + (b * 5); +} + +static void sti_cursor_atomic_update(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) { + struct drm_plane_state *state = drm_plane->state; + struct sti_plane *plane = to_sti_plane(drm_plane); struct sti_cursor *cursor = to_sti_cursor(plane); - struct drm_display_mode *mode = plane->mode; + struct drm_crtc *crtc = state->crtc; + struct sti_mixer *mixer = to_sti_mixer(crtc); + struct drm_framebuffer *fb = state->fb; + struct drm_display_mode *mode = &crtc->mode; + int dst_x = state->crtc_x; + int dst_y = state->crtc_y; + int dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + int dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); + /* src_x are in 16.16 format */ + int src_w = state->src_w >> 16; + int src_h = state->src_h >> 16; + bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false; + struct drm_gem_cma_object *cma_obj; u32 y, x; u32 val;
- DRM_DEBUG_DRIVER("\n"); + DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", + crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + DRM_DEBUG_KMS("(%dx%d)@(%d,%d)\n", dst_w, dst_h, dst_x, dst_y);
- dev_dbg(cursor->dev, "%s %s\n", __func__, sti_plane_to_str(plane)); + dev_dbg(cursor->dev, "%s %s\n", __func__, + sti_plane_to_str(plane));
- if (plane->src_w < STI_CURS_MIN_SIZE || - plane->src_h < STI_CURS_MIN_SIZE || - plane->src_w > STI_CURS_MAX_SIZE || - plane->src_h > STI_CURS_MAX_SIZE) { + if (src_w < STI_CURS_MIN_SIZE || + src_h < STI_CURS_MIN_SIZE || + src_w > STI_CURS_MAX_SIZE || + src_h > STI_CURS_MAX_SIZE) { DRM_ERROR("Invalid cursor size (%dx%d)\n", - plane->src_w, plane->src_h); - return -EINVAL; + src_w, src_h); + return; }
/* If the cursor size has changed, re-allocated the pixmap */ if (!cursor->pixmap.base || - (cursor->width != plane->src_w) || - (cursor->height != plane->src_h)) { - cursor->width = plane->src_w; - cursor->height = plane->src_h; + (cursor->width != src_w) || + (cursor->height != src_h)) { + cursor->width = src_w; + cursor->height = src_h;
if (cursor->pixmap.base) dma_free_writecombine(cursor->dev, @@ -141,12 +170,18 @@ static int sti_cursor_prepare_plane(struct sti_plane *plane, bool first_prepare) GFP_KERNEL | GFP_DMA); if (!cursor->pixmap.base) { DRM_ERROR("Failed to allocate memory for pixmap\n"); - return -ENOMEM; + return; } }
+ cma_obj = drm_fb_cma_get_gem_obj(fb, 0); + if (!cma_obj) { + DRM_ERROR("Can't get CMA GEM object for fb\n"); + return; + } + /* Convert ARGB8888 to CLUT8 */ - sti_cursor_argb8888_to_clut8(plane); + sti_cursor_argb8888_to_clut8(cursor, (u32 *)cma_obj->vaddr);
/* AWS and AWE depend on the mode */ y = sti_vtg_get_line_number(*mode, 0); @@ -164,62 +199,50 @@ static int sti_cursor_prepare_plane(struct sti_plane *plane, bool first_prepare) writel(CUR_CTL_CLUT_UPDATE, cursor->regs + CUR_CTL); }
- return 0; -} - -static int sti_cursor_commit_plane(struct sti_plane *plane) -{ - struct sti_cursor *cursor = to_sti_cursor(plane); - struct drm_display_mode *mode = plane->mode; - u32 ydo, xdo; - - dev_dbg(cursor->dev, "%s %s\n", __func__, sti_plane_to_str(plane)); - /* Set memory location, size, and position */ writel(cursor->pixmap.paddr, cursor->regs + CUR_PML); writel(cursor->width, cursor->regs + CUR_PMP); writel(cursor->height << 16 | cursor->width, cursor->regs + CUR_SIZE);
- ydo = sti_vtg_get_line_number(*mode, plane->dst_y); - xdo = sti_vtg_get_pixel_number(*mode, plane->dst_y); - writel((ydo << 16) | xdo, cursor->regs + CUR_VPO); + y = sti_vtg_get_line_number(*mode, dst_y); + x = sti_vtg_get_pixel_number(*mode, dst_y); + writel((y << 16) | x, cursor->regs + CUR_VPO);
- return 0; + plane->status = STI_PLANE_UPDATED; }
-static int sti_cursor_disable_plane(struct sti_plane *plane) +static void sti_cursor_atomic_disable(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) { - return 0; -} + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc);
-static void sti_cursor_init(struct sti_cursor *cursor) -{ - unsigned short *base = cursor->clut; - unsigned int a, r, g, b; + if (!drm_plane->crtc) { + DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", + drm_plane->base.id); + return; + }
- /* Assign CLUT values, ARGB444 format */ - for (a = 0; a < 4; a++) - for (r = 0; r < 4; r++) - for (g = 0; g < 4; g++) - for (b = 0; b < 4; b++) - *base++ = (a * 5) << 12 | - (r * 5) << 8 | - (g * 5) << 4 | - (b * 5); + DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", + drm_plane->crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + + plane->status = STI_PLANE_DISABLING; }
-static const struct sti_plane_funcs cursor_plane_ops = { - .get_formats = sti_cursor_get_formats, - .get_nb_formats = sti_cursor_get_nb_formats, - .prepare = sti_cursor_prepare_plane, - .commit = sti_cursor_commit_plane, - .disable = sti_cursor_disable_plane, +static const struct drm_plane_helper_funcs sti_cursor_helpers_funcs = { + .atomic_update = sti_cursor_atomic_update, + .atomic_disable = sti_cursor_atomic_disable, };
-struct sti_plane *sti_cursor_create(struct device *dev, int desc, - void __iomem *baseaddr) +struct drm_plane *sti_cursor_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs) { struct sti_cursor *cursor; + size_t size; + int res;
cursor = devm_kzalloc(dev, sizeof(*cursor), GFP_KERNEL); if (!cursor) { @@ -228,23 +251,43 @@ struct sti_plane *sti_cursor_create(struct device *dev, int desc, }
/* Allocate clut buffer */ - cursor->clut = dma_alloc_writecombine(dev, - 0x100 * sizeof(unsigned short), - &cursor->clut_paddr, - GFP_KERNEL | GFP_DMA); + size = 0x100 * sizeof(unsigned short); + cursor->clut = dma_alloc_writecombine(dev, size, &cursor->clut_paddr, + GFP_KERNEL | GFP_DMA);
if (!cursor->clut) { DRM_ERROR("Failed to allocate memory for cursor clut\n"); - devm_kfree(dev, cursor); - return NULL; + goto err_clut; }
cursor->dev = dev; cursor->regs = baseaddr; cursor->plane.desc = desc; - cursor->plane.ops = &cursor_plane_ops; + cursor->plane.status = STI_PLANE_DISABLED;
sti_cursor_init(cursor);
- return &cursor->plane; + res = drm_universal_plane_init(drm_dev, &cursor->plane.drm_plane, + possible_crtcs, + &sti_plane_helpers_funcs, + cursor_supported_formats, + ARRAY_SIZE(cursor_supported_formats), + DRM_PLANE_TYPE_CURSOR); + if (res) { + DRM_ERROR("Failed to initialize universal plane\n"); + goto err_plane; + } + + drm_plane_helper_add(&cursor->plane.drm_plane, + &sti_cursor_helpers_funcs); + + sti_plane_init_property(&cursor->plane, DRM_PLANE_TYPE_CURSOR); + + return &cursor->plane.drm_plane; + +err_plane: + dma_free_writecombine(dev, size, cursor->clut, cursor->clut_paddr); +err_clut: + devm_kfree(dev, cursor); + return NULL; } diff --git a/drivers/gpu/drm/sti/sti_cursor.h b/drivers/gpu/drm/sti/sti_cursor.h index db973b7..2ee5c10 100644 --- a/drivers/gpu/drm/sti/sti_cursor.h +++ b/drivers/gpu/drm/sti/sti_cursor.h @@ -7,7 +7,9 @@ #ifndef _STI_CURSOR_H_ #define _STI_CURSOR_H_
-struct sti_plane *sti_cursor_create(struct device *dev, int desc, - void __iomem *baseaddr); +struct drm_plane *sti_cursor_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs);
#endif diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c index e323310..9365670 100644 --- a/drivers/gpu/drm/sti/sti_gdp.c +++ b/drivers/gpu/drm/sti/sti_gdp.c @@ -9,6 +9,9 @@ #include <linux/clk.h> #include <linux/dma-mapping.h>
+#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h> + #include "sti_compositor.h" #include "sti_gdp.h" #include "sti_plane.h" @@ -26,7 +29,7 @@ #define GDP_XBGR8888 (GDP_RGB888_32 | BIGNOTLITTLE | ALPHASWITCH) #define GDP_ARGB8565 0x04 #define GDP_ARGB8888 0x05 -#define GDP_ABGR8888 (GDP_ARGB8888 | BIGNOTLITTLE | ALPHASWITCH) +#define GDP_ABGR8888 (GDP_ARGB8888 | BIGNOTLITTLE | ALPHASWITCH) #define GDP_ARGB1555 0x06 #define GDP_ARGB4444 0x07 #define GDP_CLUT8 0x0B @@ -53,8 +56,8 @@ #define GAM_GDP_PPT_IGNORE (BIT(1) | BIT(0)) #define GAM_GDP_SIZE_MAX 0x7FF
-#define GDP_NODE_NB_BANK 2 -#define GDP_NODE_PER_FIELD 2 +#define GDP_NODE_NB_BANK 2 +#define GDP_NODE_PER_FIELD 2
struct sti_gdp_node { u32 gam_gdp_ctl; @@ -124,16 +127,6 @@ static const uint32_t gdp_supported_formats[] = { DRM_FORMAT_C8, };
-static const uint32_t *sti_gdp_get_formats(struct sti_plane *plane) -{ - return gdp_supported_formats; -} - -static unsigned int sti_gdp_get_nb_formats(struct sti_plane *plane) -{ - return ARRAY_SIZE(gdp_supported_formats); -} - static int sti_gdp_fourcc2format(int fourcc) { switch (fourcc) { @@ -179,17 +172,16 @@ static int sti_gdp_get_alpharange(int format)
/** * sti_gdp_get_free_nodes - * @plane: gdp plane + * @gdp: gdp pointer * * Look for a GDP node list that is not currently read by the HW. * * RETURNS: * Pointer to the free GDP node list */ -static struct sti_gdp_node_list *sti_gdp_get_free_nodes(struct sti_plane *plane) +static struct sti_gdp_node_list *sti_gdp_get_free_nodes(struct sti_gdp *gdp) { int hw_nvn; - struct sti_gdp *gdp = to_sti_gdp(plane); unsigned int i;
hw_nvn = readl(gdp->regs + GAM_GDP_NVN_OFFSET); @@ -203,7 +195,7 @@ static struct sti_gdp_node_list *sti_gdp_get_free_nodes(struct sti_plane *plane)
/* in hazardious cases restart with the first node */ DRM_ERROR("inconsistent NVN for %s: 0x%08X\n", - sti_plane_to_str(plane), hw_nvn); + sti_plane_to_str(&gdp->plane), hw_nvn);
end: return &gdp->node_list[0]; @@ -211,7 +203,7 @@ end:
/** * sti_gdp_get_current_nodes - * @plane: GDP plane + * @gdp: gdp pointer * * Look for GDP nodes that are currently read by the HW. * @@ -219,10 +211,9 @@ end: * Pointer to the current GDP node list */ static -struct sti_gdp_node_list *sti_gdp_get_current_nodes(struct sti_plane *plane) +struct sti_gdp_node_list *sti_gdp_get_current_nodes(struct sti_gdp *gdp) { int hw_nvn; - struct sti_gdp *gdp = to_sti_gdp(plane); unsigned int i;
hw_nvn = readl(gdp->regs + GAM_GDP_NVN_OFFSET); @@ -236,205 +227,25 @@ struct sti_gdp_node_list *sti_gdp_get_current_nodes(struct sti_plane *plane)
end: DRM_DEBUG_DRIVER("Warning, NVN 0x%08X for %s does not match any node\n", - hw_nvn, sti_plane_to_str(plane)); + hw_nvn, sti_plane_to_str(&gdp->plane));
return NULL; }
/** - * sti_gdp_prepare - * @plane: gdp plane - * @first_prepare: true if it is the first time this function is called - * - * Update the free GDP node list according to the plane properties. - * - * RETURNS: - * 0 on success. - */ -static int sti_gdp_prepare(struct sti_plane *plane, bool first_prepare) -{ - struct sti_gdp_node_list *list; - struct sti_gdp_node *top_field, *btm_field; - struct drm_display_mode *mode = plane->mode; - struct sti_gdp *gdp = to_sti_gdp(plane); - struct device *dev = gdp->dev; - struct sti_compositor *compo = dev_get_drvdata(dev); - int format; - unsigned int depth, bpp; - int rate = mode->clock * 1000; - int res; - u32 ydo, xdo, yds, xds; - - list = sti_gdp_get_free_nodes(plane); - top_field = list->top_field; - btm_field = list->btm_field; - - dev_dbg(dev, "%s %s top_node:0x%p btm_node:0x%p\n", __func__, - sti_plane_to_str(plane), top_field, btm_field); - - /* Build the top field from plane params */ - top_field->gam_gdp_agc = GAM_GDP_AGC_FULL_RANGE; - top_field->gam_gdp_ctl = WAIT_NEXT_VSYNC; - format = sti_gdp_fourcc2format(plane->format); - if (format == -1) { - DRM_ERROR("Format not supported by GDP %.4s\n", - (char *)&plane->format); - return 1; - } - top_field->gam_gdp_ctl |= format; - top_field->gam_gdp_ctl |= sti_gdp_get_alpharange(format); - top_field->gam_gdp_ppt &= ~GAM_GDP_PPT_IGNORE; - - /* pixel memory location */ - drm_fb_get_bpp_depth(plane->format, &depth, &bpp); - top_field->gam_gdp_pml = (u32)plane->paddr + plane->offsets[0]; - top_field->gam_gdp_pml += plane->src_x * (bpp >> 3); - top_field->gam_gdp_pml += plane->src_y * plane->pitches[0]; - - /* input parameters */ - top_field->gam_gdp_pmp = plane->pitches[0]; - top_field->gam_gdp_size = - clamp_val(plane->src_h, 0, GAM_GDP_SIZE_MAX) << 16 | - clamp_val(plane->src_w, 0, GAM_GDP_SIZE_MAX); - - /* output parameters */ - ydo = sti_vtg_get_line_number(*mode, plane->dst_y); - yds = sti_vtg_get_line_number(*mode, plane->dst_y + plane->dst_h - 1); - xdo = sti_vtg_get_pixel_number(*mode, plane->dst_x); - xds = sti_vtg_get_pixel_number(*mode, plane->dst_x + plane->dst_w - 1); - top_field->gam_gdp_vpo = (ydo << 16) | xdo; - top_field->gam_gdp_vps = (yds << 16) | xds; - - /* Same content and chained together */ - memcpy(btm_field, top_field, sizeof(*btm_field)); - top_field->gam_gdp_nvn = list->btm_field_paddr; - btm_field->gam_gdp_nvn = list->top_field_paddr; - - /* Interlaced mode */ - if (plane->mode->flags & DRM_MODE_FLAG_INTERLACE) - btm_field->gam_gdp_pml = top_field->gam_gdp_pml + - plane->pitches[0]; - - if (first_prepare) { - /* Register gdp callback */ - if (sti_vtg_register_client(plane->mixer_id == STI_MIXER_MAIN ? - compo->vtg_main : compo->vtg_aux, - &gdp->vtg_field_nb, plane->mixer_id)) { - DRM_ERROR("Cannot register VTG notifier\n"); - return 1; - } - - /* Set and enable gdp clock */ - if (gdp->clk_pix) { - struct clk *clkp; - /* According to the mixer used, the gdp pixel clock - * should have a different parent clock. */ - if (plane->mixer_id == STI_MIXER_MAIN) - clkp = gdp->clk_main_parent; - else - clkp = gdp->clk_aux_parent; - - if (clkp) - clk_set_parent(gdp->clk_pix, clkp); - - res = clk_set_rate(gdp->clk_pix, rate); - if (res < 0) { - DRM_ERROR("Cannot set rate (%dHz) for gdp\n", - rate); - return 1; - } - - if (clk_prepare_enable(gdp->clk_pix)) { - DRM_ERROR("Failed to prepare/enable gdp\n"); - return 1; - } - } - } - - return 0; -} - -/** - * sti_gdp_commit - * @plane: gdp plane - * - * Update the NVN field of the 'right' field of the current GDP node (being - * used by the HW) with the address of the updated ('free') top field GDP node. - * - In interlaced mode the 'right' field is the bottom field as we update - * frames starting from their top field - * - In progressive mode, we update both bottom and top fields which are - * equal nodes. - * At the next VSYNC, the updated node list will be used by the HW. - * - * RETURNS: - * 0 on success. - */ -static int sti_gdp_commit(struct sti_plane *plane) -{ - struct sti_gdp_node_list *updated_list = sti_gdp_get_free_nodes(plane); - struct sti_gdp_node *updated_top_node = updated_list->top_field; - struct sti_gdp_node *updated_btm_node = updated_list->btm_field; - struct sti_gdp *gdp = to_sti_gdp(plane); - u32 dma_updated_top = updated_list->top_field_paddr; - u32 dma_updated_btm = updated_list->btm_field_paddr; - struct sti_gdp_node_list *curr_list = sti_gdp_get_current_nodes(plane); - - dev_dbg(gdp->dev, "%s %s top/btm_node:0x%p/0x%p\n", __func__, - sti_plane_to_str(plane), - updated_top_node, updated_btm_node); - dev_dbg(gdp->dev, "Current NVN:0x%X\n", - readl(gdp->regs + GAM_GDP_NVN_OFFSET)); - dev_dbg(gdp->dev, "Posted buff: %lx current buff: %x\n", - (unsigned long)plane->paddr, - readl(gdp->regs + GAM_GDP_PML_OFFSET)); - - if (curr_list == NULL) { - /* First update or invalid node should directly write in the - * hw register */ - DRM_DEBUG_DRIVER("%s first update (or invalid node)", - sti_plane_to_str(plane)); - - writel(gdp->is_curr_top == true ? - dma_updated_btm : dma_updated_top, - gdp->regs + GAM_GDP_NVN_OFFSET); - return 0; - } - - if (plane->mode->flags & DRM_MODE_FLAG_INTERLACE) { - if (gdp->is_curr_top == true) { - /* Do not update in the middle of the frame, but - * postpone the update after the bottom field has - * been displayed */ - curr_list->btm_field->gam_gdp_nvn = dma_updated_top; - } else { - /* Direct update to avoid one frame delay */ - writel(dma_updated_top, - gdp->regs + GAM_GDP_NVN_OFFSET); - } - } else { - /* Direct update for progressive to avoid one frame delay */ - writel(dma_updated_top, gdp->regs + GAM_GDP_NVN_OFFSET); - } - - return 0; -} - -/** * sti_gdp_disable - * @plane: gdp plane + * @gdp: gdp pointer * * Disable a GDP. - * - * RETURNS: - * 0 on success. */ -static int sti_gdp_disable(struct sti_plane *plane) +static void sti_gdp_disable(struct sti_gdp *gdp) { - unsigned int i; - struct sti_gdp *gdp = to_sti_gdp(plane); + struct drm_plane *drm_plane = &gdp->plane.drm_plane; + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); struct sti_compositor *compo = dev_get_drvdata(gdp->dev); + unsigned int i;
- DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(plane)); + DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(&gdp->plane));
/* Set the nodes as 'to be ignored on mixer' */ for (i = 0; i < GDP_NODE_NB_BANK; i++) { @@ -442,14 +253,14 @@ static int sti_gdp_disable(struct sti_plane *plane) gdp->node_list[i].btm_field->gam_gdp_ppt |= GAM_GDP_PPT_IGNORE; }
- if (sti_vtg_unregister_client(plane->mixer_id == STI_MIXER_MAIN ? + if (sti_vtg_unregister_client(mixer->id == STI_MIXER_MAIN ? compo->vtg_main : compo->vtg_aux, &gdp->vtg_field_nb)) DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n");
if (gdp->clk_pix) clk_disable_unprepare(gdp->clk_pix);
- return 0; + gdp->plane.status = STI_PLANE_DISABLED; }
/** @@ -468,6 +279,14 @@ int sti_gdp_field_cb(struct notifier_block *nb, { struct sti_gdp *gdp = container_of(nb, struct sti_gdp, vtg_field_nb);
+ if (gdp->plane.status == STI_PLANE_FLUSHING) { + /* disable need to be synchronize on vsync event */ + DRM_DEBUG_DRIVER("Vsync event received => disable %s\n", + sti_plane_to_str(&gdp->plane)); + + sti_gdp_disable(gdp); + } + switch (event) { case VTG_TOP_FIELD_EVENT: gdp->is_curr_top = true; @@ -561,18 +380,235 @@ static void sti_gdp_init(struct sti_gdp *gdp) } }
-static const struct sti_plane_funcs gdp_plane_ops = { - .get_formats = sti_gdp_get_formats, - .get_nb_formats = sti_gdp_get_nb_formats, - .prepare = sti_gdp_prepare, - .commit = sti_gdp_commit, - .disable = sti_gdp_disable, +static void sti_gdp_atomic_update(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct drm_plane_state *state = drm_plane->state; + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_gdp *gdp = to_sti_gdp(plane); + struct drm_crtc *crtc = state->crtc; + struct sti_compositor *compo = dev_get_drvdata(gdp->dev); + struct drm_framebuffer *fb = state->fb; + bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false; + struct sti_mixer *mixer; + struct drm_display_mode *mode; + int dst_x, dst_y, dst_w, dst_h; + int src_x, src_y, src_w, src_h; + struct drm_gem_cma_object *cma_obj; + struct sti_gdp_node_list *list; + struct sti_gdp_node_list *curr_list; + struct sti_gdp_node *top_field, *btm_field; + u32 dma_updated_top; + u32 dma_updated_btm; + int format; + unsigned int depth, bpp; + u32 ydo, xdo, yds, xds; + int res; + + /* Manage the case where crtc is null (disabled) */ + if (!crtc) + return; + + mixer = to_sti_mixer(crtc); + mode = &crtc->mode; + dst_x = state->crtc_x; + dst_y = state->crtc_y; + dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); + /* src_x are in 16.16 format */ + src_x = state->src_x >> 16; + src_y = state->src_y >> 16; + src_w = state->src_w >> 16; + src_h = state->src_h >> 16; + + DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", + crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + DRM_DEBUG_KMS("%s dst=(%dx%d)@(%d,%d) - src=(%dx%d)@(%d,%d)\n", + sti_plane_to_str(plane), + dst_w, dst_h, dst_x, dst_y, + src_w, src_h, src_x, src_y); + + list = sti_gdp_get_free_nodes(gdp); + top_field = list->top_field; + btm_field = list->btm_field; + + dev_dbg(gdp->dev, "%s %s top_node:0x%p btm_node:0x%p\n", __func__, + sti_plane_to_str(plane), top_field, btm_field); + + /* build the top field */ + top_field->gam_gdp_agc = GAM_GDP_AGC_FULL_RANGE; + top_field->gam_gdp_ctl = WAIT_NEXT_VSYNC; + format = sti_gdp_fourcc2format(fb->pixel_format); + if (format == -1) { + DRM_ERROR("Format not supported by GDP %.4s\n", + (char *)&fb->pixel_format); + return; + } + top_field->gam_gdp_ctl |= format; + top_field->gam_gdp_ctl |= sti_gdp_get_alpharange(format); + top_field->gam_gdp_ppt &= ~GAM_GDP_PPT_IGNORE; + + cma_obj = drm_fb_cma_get_gem_obj(fb, 0); + if (!cma_obj) { + DRM_ERROR("Can't get CMA GEM object for fb\n"); + return; + } + + DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id, + (char *)&fb->pixel_format, + (unsigned long)cma_obj->paddr); + + /* pixel memory location */ + drm_fb_get_bpp_depth(fb->pixel_format, &depth, &bpp); + top_field->gam_gdp_pml = (u32)cma_obj->paddr + fb->offsets[0]; + top_field->gam_gdp_pml += src_x * (bpp >> 3); + top_field->gam_gdp_pml += src_y * fb->pitches[0]; + + /* input parameters */ + top_field->gam_gdp_pmp = fb->pitches[0]; + top_field->gam_gdp_size = clamp_val(src_h, 0, GAM_GDP_SIZE_MAX) << 16 | + clamp_val(src_w, 0, GAM_GDP_SIZE_MAX); + + /* output parameters */ + ydo = sti_vtg_get_line_number(*mode, dst_y); + yds = sti_vtg_get_line_number(*mode, dst_y + dst_h - 1); + xdo = sti_vtg_get_pixel_number(*mode, dst_x); + xds = sti_vtg_get_pixel_number(*mode, dst_x + dst_w - 1); + top_field->gam_gdp_vpo = (ydo << 16) | xdo; + top_field->gam_gdp_vps = (yds << 16) | xds; + + /* Same content and chained together */ + memcpy(btm_field, top_field, sizeof(*btm_field)); + top_field->gam_gdp_nvn = list->btm_field_paddr; + btm_field->gam_gdp_nvn = list->top_field_paddr; + + /* Interlaced mode */ + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + btm_field->gam_gdp_pml = top_field->gam_gdp_pml + + fb->pitches[0]; + + if (first_prepare) { + /* Register gdp callback */ + if (sti_vtg_register_client(mixer->id == STI_MIXER_MAIN ? + compo->vtg_main : compo->vtg_aux, + &gdp->vtg_field_nb, mixer->id)) { + DRM_ERROR("Cannot register VTG notifier\n"); + return; + } + + /* Set and enable gdp clock */ + if (gdp->clk_pix) { + struct clk *clkp; + int rate = mode->clock * 1000; + + /* According to the mixer used, the gdp pixel clock + * should have a different parent clock. */ + if (mixer->id == STI_MIXER_MAIN) + clkp = gdp->clk_main_parent; + else + clkp = gdp->clk_aux_parent; + + if (clkp) + clk_set_parent(gdp->clk_pix, clkp); + + res = clk_set_rate(gdp->clk_pix, rate); + if (res < 0) { + DRM_ERROR("Cannot set rate (%dHz) for gdp\n", + rate); + return; + } + + if (clk_prepare_enable(gdp->clk_pix)) { + DRM_ERROR("Failed to prepare/enable gdp\n"); + return; + } + } + } + + /* Update the NVN field of the 'right' field of the current GDP node + * (being used by the HW) with the address of the updated ('free') top + * field GDP node. + * - In interlaced mode the 'right' field is the bottom field as we + * update frames starting from their top field + * - In progressive mode, we update both bottom and top fields which + * are equal nodes. + * At the next VSYNC, the updated node list will be used by the HW. + */ + curr_list = sti_gdp_get_current_nodes(gdp); + dma_updated_top = list->top_field_paddr; + dma_updated_btm = list->btm_field_paddr; + + dev_dbg(gdp->dev, "Current NVN:0x%X\n", + readl(gdp->regs + GAM_GDP_NVN_OFFSET)); + dev_dbg(gdp->dev, "Posted buff: %lx current buff: %x\n", + (unsigned long)cma_obj->paddr, + readl(gdp->regs + GAM_GDP_PML_OFFSET)); + + if (!curr_list) { + /* First update or invalid node should directly write in the + * hw register */ + DRM_DEBUG_DRIVER("%s first update (or invalid node)", + sti_plane_to_str(plane)); + + writel(gdp->is_curr_top ? + dma_updated_btm : dma_updated_top, + gdp->regs + GAM_GDP_NVN_OFFSET); + goto end; + } + + if (mode->flags & DRM_MODE_FLAG_INTERLACE) { + if (gdp->is_curr_top) { + /* Do not update in the middle of the frame, but + * postpone the update after the bottom field has + * been displayed */ + curr_list->btm_field->gam_gdp_nvn = dma_updated_top; + } else { + /* Direct update to avoid one frame delay */ + writel(dma_updated_top, + gdp->regs + GAM_GDP_NVN_OFFSET); + } + } else { + /* Direct update for progressive to avoid one frame delay */ + writel(dma_updated_top, gdp->regs + GAM_GDP_NVN_OFFSET); + } + +end: + plane->status = STI_PLANE_UPDATED; +} + +static void sti_gdp_atomic_disable(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); + + if (!drm_plane->crtc) { + DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", + drm_plane->base.id); + return; + } + + DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", + drm_plane->crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + + plane->status = STI_PLANE_DISABLING; +} + +static const struct drm_plane_helper_funcs sti_gdp_helpers_funcs = { + .atomic_update = sti_gdp_atomic_update, + .atomic_disable = sti_gdp_atomic_disable, };
-struct sti_plane *sti_gdp_create(struct device *dev, int desc, - void __iomem *baseaddr) +struct drm_plane *sti_gdp_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs, + enum drm_plane_type type) { struct sti_gdp *gdp; + int res;
gdp = devm_kzalloc(dev, sizeof(*gdp), GFP_KERNEL); if (!gdp) { @@ -583,11 +619,30 @@ struct sti_plane *sti_gdp_create(struct device *dev, int desc, gdp->dev = dev; gdp->regs = baseaddr; gdp->plane.desc = desc; - gdp->plane.ops = &gdp_plane_ops; + gdp->plane.status = STI_PLANE_DISABLED;
gdp->vtg_field_nb.notifier_call = sti_gdp_field_cb;
sti_gdp_init(gdp);
- return &gdp->plane; + res = drm_universal_plane_init(drm_dev, &gdp->plane.drm_plane, + possible_crtcs, + &sti_plane_helpers_funcs, + gdp_supported_formats, + ARRAY_SIZE(gdp_supported_formats), + type); + if (res) { + DRM_ERROR("Failed to initialize universal plane\n"); + goto err; + } + + drm_plane_helper_add(&gdp->plane.drm_plane, &sti_gdp_helpers_funcs); + + sti_plane_init_property(&gdp->plane, type); + + return &gdp->plane.drm_plane; + +err: + devm_kfree(dev, gdp); + return NULL; } diff --git a/drivers/gpu/drm/sti/sti_gdp.h b/drivers/gpu/drm/sti/sti_gdp.h index 01818ea..73947a4 100644 --- a/drivers/gpu/drm/sti/sti_gdp.h +++ b/drivers/gpu/drm/sti/sti_gdp.h @@ -11,7 +11,9 @@
#include <linux/types.h>
-struct sti_plane *sti_gdp_create(struct device *dev, int desc, - void __iomem *baseaddr); - +struct drm_plane *sti_gdp_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs, + enum drm_plane_type type); #endif diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c index b91a009..7c8f9b8 100644 --- a/drivers/gpu/drm/sti/sti_hqvdp.c +++ b/drivers/gpu/drm/sti/sti_hqvdp.c @@ -12,7 +12,10 @@ #include <linux/reset.h>
#include <drm/drmP.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h>
+#include "sti_compositor.h" #include "sti_hqvdp_lut.h" #include "sti_plane.h" #include "sti_vtg.h" @@ -357,16 +360,6 @@ static const uint32_t hqvdp_supported_formats[] = { DRM_FORMAT_NV12, };
-static const uint32_t *sti_hqvdp_get_formats(struct sti_plane *plane) -{ - return hqvdp_supported_formats; -} - -static unsigned int sti_hqvdp_get_nb_formats(struct sti_plane *plane) -{ - return ARRAY_SIZE(hqvdp_supported_formats); -} - /** * sti_hqvdp_get_free_cmd * @hqvdp: hqvdp structure @@ -482,7 +475,12 @@ static void sti_hqvdp_update_hvsrc(enum sti_hvsrc_orient orient, int scale,
/** * sti_hqvdp_check_hw_scaling - * @plane: hqvdp plane + * @hqvdp: hqvdp pointer + * @mode: display mode with timing constraints + * @src_w: source width + * @src_h: source height + * @dst_w: destination width + * @dst_h: destination height * * Check if the HW is able to perform the scaling request * The firmware scaling limitation is "CEIL(1/Zy) <= FLOOR(LFW)" where: @@ -496,194 +494,36 @@ static void sti_hqvdp_update_hvsrc(enum sti_hvsrc_orient orient, int scale, * RETURNS: * True if the HW can scale. */ -static bool sti_hqvdp_check_hw_scaling(struct sti_plane *plane) +static bool sti_hqvdp_check_hw_scaling(struct sti_hqvdp *hqvdp, + struct drm_display_mode *mode, + int src_w, int src_h, + int dst_w, int dst_h) { - struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane); unsigned long lfw; unsigned int inv_zy;
- lfw = plane->mode->htotal * (clk_get_rate(hqvdp->clk) / 1000000); - lfw /= max(plane->src_w, plane->dst_w) * plane->mode->clock / 1000; + lfw = mode->htotal * (clk_get_rate(hqvdp->clk) / 1000000); + lfw /= max(src_w, dst_w) * mode->clock / 1000;
- inv_zy = DIV_ROUND_UP(plane->src_h, plane->dst_h); + inv_zy = DIV_ROUND_UP(src_h, dst_h);
return (inv_zy <= lfw) ? true : false; }
/** - * sti_hqvdp_prepare - * @plane: hqvdp plane - * @first_prepare: true if it is the first time this function is called - * - * Prepares a command for the firmware - * - * RETURNS: - * 0 on success. - */ -static int sti_hqvdp_prepare(struct sti_plane *plane, bool first_prepare) -{ - struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane); - struct sti_hqvdp_cmd *cmd; - int scale_h, scale_v; - int cmd_offset; - - dev_dbg(hqvdp->dev, "%s %s\n", __func__, sti_plane_to_str(plane)); - - cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); - if (cmd_offset == -1) { - DRM_ERROR("No available hqvdp_cmd now\n"); - return -EBUSY; - } - cmd = hqvdp->hqvdp_cmd + cmd_offset; - - if (!sti_hqvdp_check_hw_scaling(plane)) { - DRM_ERROR("Scaling beyond HW capabilities\n"); - return -EINVAL; - } - - /* Static parameters, defaulting to progressive mode */ - cmd->top.config = TOP_CONFIG_PROGRESSIVE; - cmd->top.mem_format = TOP_MEM_FORMAT_DFLT; - cmd->hvsrc.param_ctrl = HVSRC_PARAM_CTRL_DFLT; - cmd->csdi.config = CSDI_CONFIG_PROG; - - /* VC1RE, FMD bypassed : keep everything set to 0 - * IQI/P2I bypassed */ - cmd->iqi.config = IQI_CONFIG_DFLT; - cmd->iqi.con_bri = IQI_CON_BRI_DFLT; - cmd->iqi.sat_gain = IQI_SAT_GAIN_DFLT; - cmd->iqi.pxf_conf = IQI_PXF_CONF_DFLT; - - /* Buffer planes address */ - cmd->top.current_luma = (u32)plane->paddr + plane->offsets[0]; - cmd->top.current_chroma = (u32)plane->paddr + plane->offsets[1]; - - /* Pitches */ - cmd->top.luma_processed_pitch = cmd->top.luma_src_pitch = - plane->pitches[0]; - cmd->top.chroma_processed_pitch = cmd->top.chroma_src_pitch = - plane->pitches[1]; - - /* Input / output size - * Align to upper even value */ - plane->dst_w = ALIGN(plane->dst_w, 2); - plane->dst_h = ALIGN(plane->dst_h, 2); - - if ((plane->src_w > MAX_WIDTH) || (plane->src_w < MIN_WIDTH) || - (plane->src_h > MAX_HEIGHT) || (plane->src_h < MIN_HEIGHT) || - (plane->dst_w > MAX_WIDTH) || (plane->dst_w < MIN_WIDTH) || - (plane->dst_h > MAX_HEIGHT) || (plane->dst_h < MIN_HEIGHT)) { - DRM_ERROR("Invalid in/out size %dx%d -> %dx%d\n", - plane->src_w, plane->src_h, - plane->dst_w, plane->dst_h); - return -EINVAL; - } - cmd->top.input_viewport_size = cmd->top.input_frame_size = - plane->src_h << 16 | plane->src_w; - cmd->hvsrc.output_picture_size = plane->dst_h << 16 | plane->dst_w; - cmd->top.input_viewport_ori = plane->src_y << 16 | plane->src_x; - - /* Handle interlaced */ - if (plane->fb->flags & DRM_MODE_FB_INTERLACED) { - /* Top field to display */ - cmd->top.config = TOP_CONFIG_INTER_TOP; - - /* Update pitches and vert size */ - cmd->top.input_frame_size = (plane->src_h / 2) << 16 | - plane->src_w; - cmd->top.luma_processed_pitch *= 2; - cmd->top.luma_src_pitch *= 2; - cmd->top.chroma_processed_pitch *= 2; - cmd->top.chroma_src_pitch *= 2; - - /* Enable directional deinterlacing processing */ - cmd->csdi.config = CSDI_CONFIG_INTER_DIR; - cmd->csdi.config2 = CSDI_CONFIG2_DFLT; - cmd->csdi.dcdi_config = CSDI_DCDI_CONFIG_DFLT; - } - - /* Update hvsrc lut coef */ - scale_h = SCALE_FACTOR * plane->dst_w / plane->src_w; - sti_hqvdp_update_hvsrc(HVSRC_HORI, scale_h, &cmd->hvsrc); - - scale_v = SCALE_FACTOR * plane->dst_h / plane->src_h; - sti_hqvdp_update_hvsrc(HVSRC_VERT, scale_v, &cmd->hvsrc); - - if (first_prepare) { - /* Prevent VTG shutdown */ - if (clk_prepare_enable(hqvdp->clk_pix_main)) { - DRM_ERROR("Failed to prepare/enable pix main clk\n"); - return -ENXIO; - } - - /* Register VTG Vsync callback to handle bottom fields */ - if ((plane->fb->flags & DRM_MODE_FB_INTERLACED) && - sti_vtg_register_client(hqvdp->vtg, &hqvdp->vtg_nb, - plane->mixer_id)) { - DRM_ERROR("Cannot register VTG notifier\n"); - return -ENXIO; - } - } - - return 0; -} - -/** - * sti_hqvdp_commit - * @plane: hqvdp plane - * - * Enables the HQVDP plane - * - * RETURNS: - * 0 on success. - */ -static int sti_hqvdp_commit(struct sti_plane *plane) -{ - struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane); - int cmd_offset; - - dev_dbg(hqvdp->dev, "%s %s\n", __func__, sti_plane_to_str(plane)); - - cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); - if (cmd_offset == -1) { - DRM_ERROR("No available hqvdp_cmd now\n"); - return -EBUSY; - } - - writel(hqvdp->hqvdp_cmd_paddr + cmd_offset, - hqvdp->regs + HQVDP_MBX_NEXT_CMD); - - hqvdp->curr_field_count++; - - /* Interlaced : get ready to display the bottom field at next Vsync */ - if (plane->fb->flags & DRM_MODE_FB_INTERLACED) - hqvdp->btm_field_pending = true; - - dev_dbg(hqvdp->dev, "%s Posted command:0x%x\n", - __func__, hqvdp->hqvdp_cmd_paddr + cmd_offset); - - return 0; -} - -/** * sti_hqvdp_disable - * @plane: hqvdp plane + * @hqvdp: hqvdp pointer * * Disables the HQVDP plane - * - * RETURNS: - * 0 on success. */ -static int sti_hqvdp_disable(struct sti_plane *plane) +static void sti_hqvdp_disable(struct sti_hqvdp *hqvdp) { - struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane); int i;
- DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(plane)); + DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(&hqvdp->plane));
/* Unregister VTG Vsync callback */ - if ((plane->fb->flags & DRM_MODE_FB_INTERLACED) && - sti_vtg_unregister_client(hqvdp->vtg, &hqvdp->vtg_nb)) + if (sti_vtg_unregister_client(hqvdp->vtg, &hqvdp->vtg_nb)) DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n");
/* Set next cmd to NULL */ @@ -699,12 +539,10 @@ static int sti_hqvdp_disable(struct sti_plane *plane) /* VTG can stop now */ clk_disable_unprepare(hqvdp->clk_pix_main);
- if (i == POLL_MAX_ATTEMPT) { + if (i == POLL_MAX_ATTEMPT) DRM_ERROR("XP70 could not revert to idle\n"); - return -ENXIO; - }
- return 0; + hqvdp->plane.status = STI_PLANE_DISABLED; }
/** @@ -729,6 +567,14 @@ int sti_hqvdp_vtg_cb(struct notifier_block *nb, unsigned long evt, void *data) return 0; }
+ if (hqvdp->plane.status == STI_PLANE_FLUSHING) { + /* disable need to be synchronize on vsync event */ + DRM_DEBUG_DRIVER("Vsync event received => disable %s\n", + sti_plane_to_str(&hqvdp->plane)); + + sti_hqvdp_disable(hqvdp); + } + if (hqvdp->btm_field_pending) { /* Create the btm field command from the current one */ btm_cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); @@ -782,24 +628,212 @@ static void sti_hqvdp_init(struct sti_hqvdp *hqvdp) memset(hqvdp->hqvdp_cmd, 0, size); }
-static const struct sti_plane_funcs hqvdp_plane_ops = { - .get_formats = sti_hqvdp_get_formats, - .get_nb_formats = sti_hqvdp_get_nb_formats, - .prepare = sti_hqvdp_prepare, - .commit = sti_hqvdp_commit, - .disable = sti_hqvdp_disable, +static void sti_hqvdp_atomic_update(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct drm_plane_state *state = drm_plane->state; + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane); + struct drm_crtc *crtc = state->crtc; + struct sti_mixer *mixer = to_sti_mixer(crtc); + struct drm_framebuffer *fb = state->fb; + struct drm_display_mode *mode = &crtc->mode; + int dst_x = state->crtc_x; + int dst_y = state->crtc_y; + int dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + int dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); + /* src_x are in 16.16 format */ + int src_x = state->src_x >> 16; + int src_y = state->src_y >> 16; + int src_w = state->src_w >> 16; + int src_h = state->src_h >> 16; + bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false; + struct drm_gem_cma_object *cma_obj; + struct sti_hqvdp_cmd *cmd; + int scale_h, scale_v; + int cmd_offset; + + DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", + crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + DRM_DEBUG_KMS("%s dst=(%dx%d)@(%d,%d) - src=(%dx%d)@(%d,%d)\n", + sti_plane_to_str(plane), + dst_w, dst_h, dst_x, dst_y, + src_w, src_h, src_x, src_y); + + cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); + if (cmd_offset == -1) { + DRM_ERROR("No available hqvdp_cmd now\n"); + return; + } + cmd = hqvdp->hqvdp_cmd + cmd_offset; + + if (!sti_hqvdp_check_hw_scaling(hqvdp, mode, + src_w, src_h, + dst_w, dst_h)) { + DRM_ERROR("Scaling beyond HW capabilities\n"); + return; + } + + /* Static parameters, defaulting to progressive mode */ + cmd->top.config = TOP_CONFIG_PROGRESSIVE; + cmd->top.mem_format = TOP_MEM_FORMAT_DFLT; + cmd->hvsrc.param_ctrl = HVSRC_PARAM_CTRL_DFLT; + cmd->csdi.config = CSDI_CONFIG_PROG; + + /* VC1RE, FMD bypassed : keep everything set to 0 + * IQI/P2I bypassed */ + cmd->iqi.config = IQI_CONFIG_DFLT; + cmd->iqi.con_bri = IQI_CON_BRI_DFLT; + cmd->iqi.sat_gain = IQI_SAT_GAIN_DFLT; + cmd->iqi.pxf_conf = IQI_PXF_CONF_DFLT; + + cma_obj = drm_fb_cma_get_gem_obj(fb, 0); + if (!cma_obj) { + DRM_ERROR("Can't get CMA GEM object for fb\n"); + return; + } + + DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id, + (char *)&fb->pixel_format, + (unsigned long)cma_obj->paddr); + + /* Buffer planes address */ + cmd->top.current_luma = (u32)cma_obj->paddr + fb->offsets[0]; + cmd->top.current_chroma = (u32)cma_obj->paddr + fb->offsets[1]; + + /* Pitches */ + cmd->top.luma_processed_pitch = fb->pitches[0]; + cmd->top.luma_src_pitch = fb->pitches[0]; + cmd->top.chroma_processed_pitch = fb->pitches[1]; + cmd->top.chroma_src_pitch = fb->pitches[1]; + + /* Input / output size + * Align to upper even value */ + dst_w = ALIGN(dst_w, 2); + dst_h = ALIGN(dst_h, 2); + + if ((src_w > MAX_WIDTH) || (src_w < MIN_WIDTH) || + (src_h > MAX_HEIGHT) || (src_h < MIN_HEIGHT) || + (dst_w > MAX_WIDTH) || (dst_w < MIN_WIDTH) || + (dst_h > MAX_HEIGHT) || (dst_h < MIN_HEIGHT)) { + DRM_ERROR("Invalid in/out size %dx%d -> %dx%d\n", + src_w, src_h, + dst_w, dst_h); + return; + } + + cmd->top.input_viewport_size = src_h << 16 | src_w; + cmd->top.input_frame_size = src_h << 16 | src_w; + cmd->hvsrc.output_picture_size = dst_h << 16 | dst_w; + cmd->top.input_viewport_ori = src_y << 16 | src_x; + + /* Handle interlaced */ + if (fb->flags & DRM_MODE_FB_INTERLACED) { + /* Top field to display */ + cmd->top.config = TOP_CONFIG_INTER_TOP; + + /* Update pitches and vert size */ + cmd->top.input_frame_size = (src_h / 2) << 16 | src_w; + cmd->top.luma_processed_pitch *= 2; + cmd->top.luma_src_pitch *= 2; + cmd->top.chroma_processed_pitch *= 2; + cmd->top.chroma_src_pitch *= 2; + + /* Enable directional deinterlacing processing */ + cmd->csdi.config = CSDI_CONFIG_INTER_DIR; + cmd->csdi.config2 = CSDI_CONFIG2_DFLT; + cmd->csdi.dcdi_config = CSDI_DCDI_CONFIG_DFLT; + } + + /* Update hvsrc lut coef */ + scale_h = SCALE_FACTOR * dst_w / src_w; + sti_hqvdp_update_hvsrc(HVSRC_HORI, scale_h, &cmd->hvsrc); + + scale_v = SCALE_FACTOR * dst_h / src_h; + sti_hqvdp_update_hvsrc(HVSRC_VERT, scale_v, &cmd->hvsrc); + + if (first_prepare) { + /* Prevent VTG shutdown */ + if (clk_prepare_enable(hqvdp->clk_pix_main)) { + DRM_ERROR("Failed to prepare/enable pix main clk\n"); + return; + } + + /* Register VTG Vsync callback to handle bottom fields */ + if (sti_vtg_register_client(hqvdp->vtg, + &hqvdp->vtg_nb, + mixer->id)) { + DRM_ERROR("Cannot register VTG notifier\n"); + return; + } + } + + writel(hqvdp->hqvdp_cmd_paddr + cmd_offset, + hqvdp->regs + HQVDP_MBX_NEXT_CMD); + + hqvdp->curr_field_count++; + + /* Interlaced : get ready to display the bottom field at next Vsync */ + if (fb->flags & DRM_MODE_FB_INTERLACED) + hqvdp->btm_field_pending = true; + + dev_dbg(hqvdp->dev, "%s Posted command:0x%x\n", + __func__, hqvdp->hqvdp_cmd_paddr + cmd_offset); + + plane->status = STI_PLANE_UPDATED; +} + +static void sti_hqvdp_atomic_disable(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); + + if (!drm_plane->crtc) { + DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", + drm_plane->base.id); + return; + } + + DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", + drm_plane->crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + + plane->status = STI_PLANE_DISABLING; +} + +static const struct drm_plane_helper_funcs sti_hqvdp_helpers_funcs = { + .atomic_update = sti_hqvdp_atomic_update, + .atomic_disable = sti_hqvdp_atomic_disable, };
-struct sti_plane *sti_hqvdp_create(struct device *dev, int desc) +static struct drm_plane *sti_hqvdp_create(struct drm_device *drm_dev, + struct device *dev, int desc) { struct sti_hqvdp *hqvdp = dev_get_drvdata(dev); + int res;
hqvdp->plane.desc = desc; - hqvdp->plane.ops = &hqvdp_plane_ops; + hqvdp->plane.status = STI_PLANE_DISABLED;
sti_hqvdp_init(hqvdp);
- return &hqvdp->plane; + res = drm_universal_plane_init(drm_dev, &hqvdp->plane.drm_plane, 1, + &sti_plane_helpers_funcs, + hqvdp_supported_formats, + ARRAY_SIZE(hqvdp_supported_formats), + DRM_PLANE_TYPE_OVERLAY); + if (res) { + DRM_ERROR("Failed to initialize universal plane\n"); + return NULL; + } + + drm_plane_helper_add(&hqvdp->plane.drm_plane, &sti_hqvdp_helpers_funcs); + + sti_plane_init_property(&hqvdp->plane, DRM_PLANE_TYPE_OVERLAY); + + return &hqvdp->plane.drm_plane; }
static void sti_hqvdp_init_plugs(struct sti_hqvdp *hqvdp) @@ -948,7 +982,7 @@ int sti_hqvdp_bind(struct device *dev, struct device *master, void *data) { struct sti_hqvdp *hqvdp = dev_get_drvdata(dev); struct drm_device *drm_dev = data; - struct sti_plane *plane; + struct drm_plane *plane; int err;
DRM_DEBUG_DRIVER("\n"); @@ -965,11 +999,8 @@ int sti_hqvdp_bind(struct device *dev, struct device *master, void *data) }
/* Create HQVDP plane once xp70 is initialized */ - plane = sti_hqvdp_create(hqvdp->dev, STI_HQVDP_0); - if (plane) - sti_plane_init(hqvdp->drm_dev, plane, 1, - DRM_PLANE_TYPE_OVERLAY); - else + plane = sti_hqvdp_create(drm_dev, hqvdp->dev, STI_HQVDP_0); + if (!plane) DRM_ERROR("Can't create HQVDP plane\n");
return 0; diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c index d5a9656..0182e93 100644 --- a/drivers/gpu/drm/sti/sti_mixer.c +++ b/drivers/gpu/drm/sti/sti_mixer.c @@ -58,6 +58,7 @@ const char *sti_mixer_to_str(struct sti_mixer *mixer) return "<UNKNOWN MIXER>"; } } +EXPORT_SYMBOL(sti_mixer_to_str);
static inline u32 sti_mixer_reg_read(struct sti_mixer *mixer, u32 reg_id) { @@ -225,15 +226,6 @@ int sti_mixer_set_plane_status(struct sti_mixer *mixer, return 0; }
-void sti_mixer_clear_all_planes(struct sti_mixer *mixer) -{ - u32 val; - - DRM_DEBUG_DRIVER("%s clear all planes\n", sti_mixer_to_str(mixer)); - val = sti_mixer_reg_read(mixer, GAM_MIXER_CTL) & 0xFFFF0000; - sti_mixer_reg_write(mixer, GAM_MIXER_CTL, val); -} - void sti_mixer_set_matrix(struct sti_mixer *mixer) { unsigned int i; diff --git a/drivers/gpu/drm/sti/sti_mixer.h b/drivers/gpu/drm/sti/sti_mixer.h index 2f69b00..efb1a9a 100644 --- a/drivers/gpu/drm/sti/sti_mixer.h +++ b/drivers/gpu/drm/sti/sti_mixer.h @@ -15,6 +15,12 @@
#define to_sti_mixer(x) container_of(x, struct sti_mixer, drm_crtc)
+enum sti_mixer_status { + STI_MIXER_READY, + STI_MIXER_DISABLING, + STI_MIXER_DISABLED, +}; + /** * STI Mixer subdevice structure * @@ -23,7 +29,7 @@ * @id: id of the mixer * @drm_crtc: crtc object link to the mixer * @pending_event: set if a flip event is pending on crtc - * @enabled: to know if the mixer is active or not + * @status: to know the status of the mixer */ struct sti_mixer { struct device *dev; @@ -31,7 +37,7 @@ struct sti_mixer { int id; struct drm_crtc drm_crtc; struct drm_pending_vblank_event *pending_event; - bool enabled; + enum sti_mixer_status status; };
const char *sti_mixer_to_str(struct sti_mixer *mixer); @@ -41,7 +47,6 @@ struct sti_mixer *sti_mixer_create(struct device *dev, int id,
int sti_mixer_set_plane_status(struct sti_mixer *mixer, struct sti_plane *plane, bool status); -void sti_mixer_clear_all_planes(struct sti_mixer *mixer); int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane); int sti_mixer_active_video_area(struct sti_mixer *mixer, struct drm_display_mode *mode); diff --git a/drivers/gpu/drm/sti/sti_plane.c b/drivers/gpu/drm/sti/sti_plane.c index 6a38521..d5c5e91 100644 --- a/drivers/gpu/drm/sti/sti_plane.c +++ b/drivers/gpu/drm/sti/sti_plane.c @@ -7,15 +7,12 @@ */
#include <drm/drmP.h> -#include <drm/drm_atomic_helper.h> -#include <drm/drm_gem_cma_helper.h> #include <drm/drm_fb_cma_helper.h> -#include <drm/drm_plane_helper.h> +#include <drm/drm_gem_cma_helper.h>
#include "sti_compositor.h" #include "sti_drv.h" #include "sti_plane.h" -#include "sti_vtg.h"
/* (Background) < GDP0 < GDP1 < HQVDP0 < GDP2 < GDP3 < (ForeGround) */ enum sti_plane_desc sti_plane_default_zorder[] = { @@ -47,115 +44,6 @@ const char *sti_plane_to_str(struct sti_plane *plane) } EXPORT_SYMBOL(sti_plane_to_str);
-static int sti_plane_prepare(struct sti_plane *plane, - struct drm_crtc *crtc, - struct drm_framebuffer *fb, - struct drm_display_mode *mode, int mixer_id, - int dest_x, int dest_y, int dest_w, int dest_h, - int src_x, int src_y, int src_w, int src_h) -{ - struct drm_gem_cma_object *cma_obj; - unsigned int i; - int res; - - if (!plane || !fb || !mode) { - DRM_ERROR("Null fb, plane or mode\n"); - return 1; - } - - cma_obj = drm_fb_cma_get_gem_obj(fb, 0); - if (!cma_obj) { - DRM_ERROR("Can't get CMA GEM object for fb\n"); - return 1; - } - - plane->fb = fb; - plane->mode = mode; - plane->mixer_id = mixer_id; - plane->dst_x = dest_x; - plane->dst_y = dest_y; - plane->dst_w = clamp_val(dest_w, 0, mode->crtc_hdisplay - dest_x); - plane->dst_h = clamp_val(dest_h, 0, mode->crtc_vdisplay - dest_y); - plane->src_x = src_x; - plane->src_y = src_y; - plane->src_w = src_w; - plane->src_h = src_h; - plane->format = fb->pixel_format; - plane->vaddr = cma_obj->vaddr; - plane->paddr = cma_obj->paddr; - for (i = 0; i < 4; i++) { - plane->pitches[i] = fb->pitches[i]; - plane->offsets[i] = fb->offsets[i]; - } - - DRM_DEBUG_DRIVER("%s is associated with mixer_id %d\n", - sti_plane_to_str(plane), - plane->mixer_id); - DRM_DEBUG_DRIVER("%s dst=(%dx%d)@(%d,%d) - src=(%dx%d)@(%d,%d)\n", - sti_plane_to_str(plane), - plane->dst_w, plane->dst_h, plane->dst_x, plane->dst_y, - plane->src_w, plane->src_h, plane->src_x, - plane->src_y); - - DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id, - (char *)&plane->format, (unsigned long)plane->paddr); - - if (!plane->ops->prepare) { - DRM_ERROR("Cannot prepare\n"); - return 1; - } - - res = plane->ops->prepare(plane, !plane->enabled); - if (res) { - DRM_ERROR("Plane prepare failed\n"); - return res; - } - - plane->enabled = true; - - return 0; -} - -static int sti_plane_commit(struct sti_plane *plane) -{ - if (!plane) - return 1; - - if (!plane->ops->commit) { - DRM_ERROR("Cannot commit\n"); - return 1; - } - - return plane->ops->commit(plane); -} - -static int sti_plane_disable(struct sti_plane *plane) -{ - int res; - - DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(plane)); - if (!plane) - return 1; - - if (!plane->enabled) - return 0; - - if (!plane->ops->disable) { - DRM_ERROR("Cannot disable\n"); - return 1; - } - - res = plane->ops->disable(plane); - if (res) { - DRM_ERROR("Plane disable failed\n"); - return res; - } - - plane->enabled = false; - - return 0; -} - static void sti_plane_destroy(struct drm_plane *drm_plane) { DRM_DEBUG_DRIVER("\n"); @@ -182,109 +70,6 @@ static int sti_plane_set_property(struct drm_plane *drm_plane, return -EINVAL; }
-static struct drm_plane_funcs sti_plane_funcs = { - .update_plane = drm_atomic_helper_update_plane, - .disable_plane = drm_atomic_helper_disable_plane, - .destroy = sti_plane_destroy, - .set_property = sti_plane_set_property, - .reset = drm_atomic_helper_plane_reset, - .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, -}; - -static int sti_plane_atomic_check(struct drm_plane *drm_plane, - struct drm_plane_state *state) -{ - return 0; -} - -static void sti_plane_atomic_update(struct drm_plane *drm_plane, - struct drm_plane_state *oldstate) -{ - struct drm_plane_state *state = drm_plane->state; - struct sti_plane *plane = to_sti_plane(drm_plane); - struct sti_mixer *mixer = to_sti_mixer(state->crtc); - int res; - - DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", - state->crtc->base.id, sti_mixer_to_str(mixer), - drm_plane->base.id, sti_plane_to_str(plane)); - DRM_DEBUG_KMS("(%dx%d)@(%d,%d)\n", - state->crtc_w, state->crtc_h, - state->crtc_x, state->crtc_y); - - res = sti_mixer_set_plane_depth(mixer, plane); - if (res) { - DRM_ERROR("Cannot set plane depth\n"); - return; - } - - /* src_x are in 16.16 format */ - res = sti_plane_prepare(plane, state->crtc, state->fb, - &state->crtc->mode, mixer->id, - state->crtc_x, state->crtc_y, - state->crtc_w, state->crtc_h, - state->src_x >> 16, state->src_y >> 16, - state->src_w >> 16, state->src_h >> 16); - if (res) { - DRM_ERROR("Plane prepare failed\n"); - return; - } - - res = sti_plane_commit(plane); - if (res) { - DRM_ERROR("Plane commit failed\n"); - return; - } - - res = sti_mixer_set_plane_status(mixer, plane, true); - if (res) { - DRM_ERROR("Cannot enable plane at mixer\n"); - return; - } -} - -static void sti_plane_atomic_disable(struct drm_plane *drm_plane, - struct drm_plane_state *oldstate) -{ - struct sti_plane *plane = to_sti_plane(drm_plane); - struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); - int res; - - if (!drm_plane->crtc) { - DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", - drm_plane->base.id); - return; - } - - DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", - drm_plane->crtc->base.id, sti_mixer_to_str(mixer), - drm_plane->base.id, sti_plane_to_str(plane)); - - /* Disable plane at mixer level */ - res = sti_mixer_set_plane_status(mixer, plane, false); - if (res) { - DRM_ERROR("Cannot disable plane at mixer\n"); - return; - } - - /* Wait a while to be sure that a Vsync event is received */ - msleep(WAIT_NEXT_VSYNC_MS); - - /* Then disable plane itself */ - res = sti_plane_disable(plane); - if (res) { - DRM_ERROR("Plane disable failed\n"); - return; - } -} - -static const struct drm_plane_helper_funcs sti_plane_helpers_funcs = { - .atomic_check = sti_plane_atomic_check, - .atomic_update = sti_plane_atomic_update, - .atomic_disable = sti_plane_atomic_disable, -}; - static void sti_plane_attach_zorder_property(struct drm_plane *drm_plane) { struct drm_device *dev = drm_plane->dev; @@ -305,25 +90,10 @@ static void sti_plane_attach_zorder_property(struct drm_plane *drm_plane) drm_object_attach_property(&drm_plane->base, prop, plane->zorder); }
-struct drm_plane *sti_plane_init(struct drm_device *dev, - struct sti_plane *plane, - unsigned int possible_crtcs, - enum drm_plane_type type) +void sti_plane_init_property(struct sti_plane *plane, + enum drm_plane_type type) { - int err, i; - - err = drm_universal_plane_init(dev, &plane->drm_plane, - possible_crtcs, - &sti_plane_funcs, - plane->ops->get_formats(plane), - plane->ops->get_nb_formats(plane), - type); - if (err) { - DRM_ERROR("Failed to initialize universal plane\n"); - return NULL; - } - - drm_plane_helper_add(&plane->drm_plane, &sti_plane_helpers_funcs); + unsigned int i;
for (i = 0; i < ARRAY_SIZE(sti_plane_default_zorder); i++) if (sti_plane_default_zorder[i] == plane->desc) @@ -337,7 +107,16 @@ struct drm_plane *sti_plane_init(struct drm_device *dev, DRM_DEBUG_DRIVER("drm plane:%d mapped to %s with zorder:%d\n", plane->drm_plane.base.id, sti_plane_to_str(plane), plane->zorder); - - return &plane->drm_plane; } -EXPORT_SYMBOL(sti_plane_init); +EXPORT_SYMBOL(sti_plane_init_property); + +struct drm_plane_funcs sti_plane_helpers_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = sti_plane_destroy, + .set_property = sti_plane_set_property, + .reset = drm_atomic_helper_plane_reset, + .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, +}; +EXPORT_SYMBOL(sti_plane_helpers_funcs); diff --git a/drivers/gpu/drm/sti/sti_plane.h b/drivers/gpu/drm/sti/sti_plane.h index bd52754..86f1e6f 100644 --- a/drivers/gpu/drm/sti/sti_plane.h +++ b/drivers/gpu/drm/sti/sti_plane.h @@ -8,6 +8,10 @@ #define _STI_PLANE_H_
#include <drm/drmP.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_plane_helper.h> + +extern struct drm_plane_funcs sti_plane_helpers_funcs;
#define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane)
@@ -38,68 +42,30 @@ enum sti_plane_desc { STI_BACK = STI_BCK };
+enum sti_plane_status { + STI_PLANE_READY, + STI_PLANE_UPDATED, + STI_PLANE_DISABLING, + STI_PLANE_FLUSHING, + STI_PLANE_DISABLED, +}; + /** * STI plane structure * * @plane: drm plane it is bound to (if any) - * @fb: drm fb it is bound to - * @mode: display mode * @desc: plane type & id - * @ops: plane functions + * @status: to know the status of the plane * @zorder: plane z-order - * @mixer_id: id of the mixer used to display the plane - * @enabled: to know if the plane is active or not - * @src_x src_y: coordinates of the input (fb) area - * @src_w src_h: size of the input (fb) area - * @dst_x dst_y: coordinates of the output (crtc) area - * @dst_w dst_h: size of the output (crtc) area - * @format: format - * @pitches: pitch of 'planes' (eg: Y, U, V) - * @offsets: offset of 'planes' - * @vaddr: virtual address of the input buffer - * @paddr: physical address of the input buffer */ struct sti_plane { struct drm_plane drm_plane; - struct drm_framebuffer *fb; - struct drm_display_mode *mode; enum sti_plane_desc desc; - const struct sti_plane_funcs *ops; + enum sti_plane_status status; int zorder; - int mixer_id; - bool enabled; - int src_x, src_y; - int src_w, src_h; - int dst_x, dst_y; - int dst_w, dst_h; - uint32_t format; - unsigned int pitches[4]; - unsigned int offsets[4]; - void *vaddr; - dma_addr_t paddr; };
-/** - * STI plane functions structure - * - * @get_formats: get plane supported formats - * @get_nb_formats: get number of format supported - * @prepare: prepare plane before rendering - * @commit: set plane for rendering - * @disable: disable plane - */ -struct sti_plane_funcs { - const uint32_t* (*get_formats)(struct sti_plane *plane); - unsigned int (*get_nb_formats)(struct sti_plane *plane); - int (*prepare)(struct sti_plane *plane, bool first_prepare); - int (*commit)(struct sti_plane *plane); - int (*disable)(struct sti_plane *plane); -}; - -struct drm_plane *sti_plane_init(struct drm_device *dev, - struct sti_plane *sti_plane, - unsigned int possible_crtcs, - enum drm_plane_type type); const char *sti_plane_to_str(struct sti_plane *plane); - +void sti_plane_init_property(struct sti_plane *plane, + enum drm_plane_type type); #endif diff --git a/drivers/gpu/drm/sti/sti_vid.c b/drivers/gpu/drm/sti/sti_vid.c index 1e7e1d7..a8254cc 100644 --- a/drivers/gpu/drm/sti/sti_vid.c +++ b/drivers/gpu/drm/sti/sti_vid.c @@ -43,28 +43,37 @@ #define VID_MPR2_BT709 0x07150545 #define VID_MPR3_BT709 0x00000AE8
-int sti_vid_commit(struct sti_vid *vid, struct sti_plane *plane) +void sti_vid_commit(struct sti_vid *vid, + struct drm_plane_state *state) { - struct drm_display_mode *mode = plane->mode; + struct drm_crtc *crtc = state->crtc; + struct drm_display_mode *mode = &crtc->mode; + int dst_x = state->crtc_x; + int dst_y = state->crtc_y; + int dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + int dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); u32 val, ydo, xdo, yds, xds;
+ /* Input / output size + * Align to upper even value */ + dst_w = ALIGN(dst_w, 2); + dst_h = ALIGN(dst_h, 2); + /* Unmask */ val = readl(vid->regs + VID_CTL); val &= ~VID_CTL_IGNORE; writel(val, vid->regs + VID_CTL);
- ydo = sti_vtg_get_line_number(*mode, plane->dst_y); - yds = sti_vtg_get_line_number(*mode, plane->dst_y + plane->dst_h - 1); - xdo = sti_vtg_get_pixel_number(*mode, plane->dst_x); - xds = sti_vtg_get_pixel_number(*mode, plane->dst_x + plane->dst_w - 1); + ydo = sti_vtg_get_line_number(*mode, dst_y); + yds = sti_vtg_get_line_number(*mode, dst_y + dst_h - 1); + xdo = sti_vtg_get_pixel_number(*mode, dst_x); + xds = sti_vtg_get_pixel_number(*mode, dst_x + dst_w - 1);
writel((ydo << 16) | xdo, vid->regs + VID_VPO); writel((yds << 16) | xds, vid->regs + VID_VPS); - - return 0; }
-int sti_vid_disable(struct sti_vid *vid) +void sti_vid_disable(struct sti_vid *vid) { u32 val;
@@ -72,8 +81,6 @@ int sti_vid_disable(struct sti_vid *vid) val = readl(vid->regs + VID_CTL); val |= VID_CTL_IGNORE; writel(val, vid->regs + VID_CTL); - - return 0; }
static void sti_vid_init(struct sti_vid *vid) diff --git a/drivers/gpu/drm/sti/sti_vid.h b/drivers/gpu/drm/sti/sti_vid.h index cc680a2..5dea479 100644 --- a/drivers/gpu/drm/sti/sti_vid.h +++ b/drivers/gpu/drm/sti/sti_vid.h @@ -20,8 +20,9 @@ struct sti_vid { int id; };
-int sti_vid_commit(struct sti_vid *vid, struct sti_plane *plane); -int sti_vid_disable(struct sti_vid *vid); +void sti_vid_commit(struct sti_vid *vid, + struct drm_plane_state *state); +void sti_vid_disable(struct sti_vid *vid); struct sti_vid *sti_vid_create(struct device *dev, int id, void __iomem *baseaddr);