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Release 4.11 drivers/gpu/drm/omapdrm/omap_plane.c

/*
 * drivers/gpu/drm/omapdrm/omap_plane.c
 *
 * Copyright (C) 2011 Texas Instruments
 * Author: Rob Clark <rob.clark@linaro.org>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_plane_helper.h>

#include "omap_dmm_tiler.h"
#include "omap_drv.h"

/* some hackery because omapdss has an 'enum omap_plane' (which would be
 * better named omap_plane_id).. and compiler seems unhappy about having
 * both a 'struct omap_plane' and 'enum omap_plane'
 */

#define omap_plane _omap_plane

/*
 * plane funcs
 */


#define to_omap_plane(x) container_of(x, struct omap_plane, base)


struct omap_plane {
	
struct drm_plane base;
	
int id;  /* TODO rename omap_plane -> omap_plane_id in omapdss so I can use the enum */
	
const char *name;

	
uint32_t nformats;
	
uint32_t formats[32];
};


struct omap_plane_state {
	
struct drm_plane_state base;

	
unsigned int zorder;
};


static inline struct omap_plane_state * to_omap_plane_state(struct drm_plane_state *state) { return container_of(state, struct omap_plane_state, base); }

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Laurent Pinchart25100.00%1100.00%
Total25100.00%1100.00%


static int omap_plane_prepare_fb(struct drm_plane *plane, struct drm_plane_state *new_state) { if (!new_state->fb) return 0; return omap_framebuffer_pin(new_state->fb); }

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PersonTokensPropCommitsCommitProp
Tomi Valkeinen2264.71%150.00%
Maarten Lankhorst1235.29%150.00%
Total34100.00%2100.00%


static void omap_plane_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) { if (old_state->fb) omap_framebuffer_unpin(old_state->fb); }

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PersonTokensPropCommitsCommitProp
Tomi Valkeinen1551.72%233.33%
Maarten Lankhorst827.59%116.67%
Laurent Pinchart310.34%233.33%
Rob Clark310.34%116.67%
Total29100.00%6100.00%


static void omap_plane_atomic_update(struct drm_plane *plane, struct drm_plane_state *old_state) { struct omap_plane *omap_plane = to_omap_plane(plane); struct drm_plane_state *state = plane->state; struct omap_plane_state *omap_state = to_omap_plane_state(state); struct omap_overlay_info info; struct omap_drm_window win; int ret; DBG("%s, crtc=%p fb=%p", omap_plane->name, state->crtc, state->fb); memset(&info, 0, sizeof(info)); info.rotation_type = OMAP_DSS_ROT_DMA; info.rotation = OMAP_DSS_ROT_0; info.global_alpha = 0xff; info.mirror = 0; info.zorder = omap_state->zorder; memset(&win, 0, sizeof(win)); win.rotation = state->rotation; win.crtc_x = state->crtc_x; win.crtc_y = state->crtc_y; win.crtc_w = state->crtc_w; win.crtc_h = state->crtc_h; /* * src values are in Q16 fixed point, convert to integer. * omap_framebuffer_update_scanout() takes adjusted src. */ win.src_x = state->src_x >> 16; win.src_y = state->src_y >> 16; if (drm_rotation_90_or_270(state->rotation)) { win.src_w = state->src_h >> 16; win.src_h = state->src_w >> 16; } else { win.src_w = state->src_w >> 16; win.src_h = state->src_h >> 16; } /* update scanout: */ omap_framebuffer_update_scanout(state->fb, &win, &info); DBG("%dx%d -> %dx%d (%d)", info.width, info.height, info.out_width, info.out_height, info.screen_width); DBG("%d,%d %pad %pad", info.pos_x, info.pos_y, &info.paddr, &info.p_uv_addr); dispc_ovl_set_channel_out(omap_plane->id, omap_crtc_channel(state->crtc)); /* and finally, update omapdss: */ ret = dispc_ovl_setup(omap_plane->id, &info, false, omap_crtc_timings(state->crtc), false); if (ret) { dev_err(plane->dev->dev, "Failed to setup plane %s\n", omap_plane->name); dispc_ovl_enable(omap_plane->id, false); return; } dispc_ovl_enable(omap_plane->id, true); }

Contributors

PersonTokensPropCommitsCommitProp
Laurent Pinchart24763.99%637.50%
Rob Clark8020.73%318.75%
Tomi Valkeinen4912.69%531.25%
Ville Syrjälä71.81%16.25%
Russell King30.78%16.25%
Total386100.00%16100.00%


static void omap_plane_atomic_disable(struct drm_plane *plane, struct drm_plane_state *old_state) { struct omap_plane_state *omap_state = to_omap_plane_state(plane->state); struct omap_plane *omap_plane = to_omap_plane(plane); plane->state->rotation = DRM_ROTATE_0; omap_state->zorder = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : omap_plane->id; dispc_ovl_enable(omap_plane->id, false); }

Contributors

PersonTokensPropCommitsCommitProp
Laurent Pinchart4157.75%457.14%
Rob Clark2433.80%228.57%
Tomi Valkeinen68.45%114.29%
Total71100.00%7100.00%


static int omap_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { struct drm_crtc_state *crtc_state; if (!state->fb) return 0; /* crtc should only be NULL when disabling (i.e., !state->fb) */ if (WARN_ON(!state->crtc)) return 0; crtc_state = drm_atomic_get_existing_crtc_state(state->state, state->crtc); /* we should have a crtc state if the plane is attached to a crtc */ if (WARN_ON(!crtc_state)) return 0; if (!crtc_state->enable) return 0; if (state->crtc_x < 0 || state->crtc_y < 0) return -EINVAL; if (state->crtc_x + state->crtc_w > crtc_state->adjusted_mode.hdisplay) return -EINVAL; if (state->crtc_y + state->crtc_h > crtc_state->adjusted_mode.vdisplay) return -EINVAL; if (state->rotation != DRM_ROTATE_0 && !omap_framebuffer_supports_rotation(state->fb)) return -EINVAL; return 0; }

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PersonTokensPropCommitsCommitProp
Tomi Valkeinen161100.00%4100.00%
Total161100.00%4100.00%

static const struct drm_plane_helper_funcs omap_plane_helper_funcs = { .prepare_fb = omap_plane_prepare_fb, .cleanup_fb = omap_plane_cleanup_fb, .atomic_check = omap_plane_atomic_check, .atomic_update = omap_plane_atomic_update, .atomic_disable = omap_plane_atomic_disable, };
static void omap_plane_destroy(struct drm_plane *plane) { struct omap_plane *omap_plane = to_omap_plane(plane); DBG("%s", omap_plane->name); drm_plane_cleanup(plane); kfree(omap_plane); }

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PersonTokensPropCommitsCommitProp
Laurent Pinchart40100.00%1100.00%
Total40100.00%1100.00%

/* helper to install properties which are common to planes and crtcs */
void omap_plane_install_properties(struct drm_plane *plane, struct drm_mode_object *obj) { struct drm_device *dev = plane->dev; struct omap_drm_private *priv = dev->dev_private; if (priv->has_dmm) { if (!plane->rotation_property) drm_plane_create_rotation_property(plane, DRM_ROTATE_0, DRM_ROTATE_0 | DRM_ROTATE_90 | DRM_ROTATE_180 | DRM_ROTATE_270 | DRM_REFLECT_X | DRM_REFLECT_Y); /* Attach the rotation property also to the crtc object */ if (plane->rotation_property && obj != &plane->base) drm_object_attach_property(obj, plane->rotation_property, DRM_ROTATE_0); } drm_object_attach_property(obj, priv->zorder_prop, 0); }

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PersonTokensPropCommitsCommitProp
Ville Syrjälä4240.78%228.57%
Laurent Pinchart3231.07%228.57%
Rob Clark2019.42%228.57%
Andre Renaud98.74%114.29%
Total103100.00%7100.00%


static struct drm_plane_state * omap_plane_atomic_duplicate_state(struct drm_plane *plane) { struct omap_plane_state *state; struct omap_plane_state *copy; if (WARN_ON(!plane->state)) return NULL; state = to_omap_plane_state(plane->state); copy = kmemdup(state, sizeof(*state), GFP_KERNEL); if (copy == NULL) return NULL; __drm_atomic_helper_plane_duplicate_state(plane, &copy->base); return &copy->base; }

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PersonTokensPropCommitsCommitProp
Laurent Pinchart85100.00%1100.00%
Total85100.00%1100.00%


static void omap_plane_atomic_destroy_state(struct drm_plane *plane, struct drm_plane_state *state) { __drm_atomic_helper_plane_destroy_state(state); kfree(to_omap_plane_state(state)); }

Contributors

PersonTokensPropCommitsCommitProp
Laurent Pinchart29100.00%1100.00%
Total29100.00%1100.00%


static void omap_plane_reset(struct drm_plane *plane) { struct omap_plane *omap_plane = to_omap_plane(plane); struct omap_plane_state *omap_state; if (plane->state) { omap_plane_atomic_destroy_state(plane, plane->state); plane->state = NULL; } omap_state = kzalloc(sizeof(*omap_state), GFP_KERNEL); if (omap_state == NULL) return; /* * Set defaults depending on whether we are a primary or overlay * plane. */ omap_state->zorder = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : omap_plane->id; omap_state->base.rotation = DRM_ROTATE_0; plane->state = &omap_state->base; plane->state->plane = plane; }

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PersonTokensPropCommitsCommitProp
Tomi Valkeinen10796.40%150.00%
Laurent Pinchart43.60%150.00%
Total111100.00%2100.00%


static int omap_plane_atomic_set_property(struct drm_plane *plane, struct drm_plane_state *state, struct drm_property *property, uint64_t val) { struct omap_drm_private *priv = plane->dev->dev_private; struct omap_plane_state *omap_state = to_omap_plane_state(state); if (property == priv->zorder_prop) omap_state->zorder = val; else return -EINVAL; return 0; }

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PersonTokensPropCommitsCommitProp
Laurent Pinchart3552.24%150.00%
Rob Clark3247.76%150.00%
Total67100.00%2100.00%


static int omap_plane_atomic_get_property(struct drm_plane *plane, const struct drm_plane_state *state, struct drm_property *property, uint64_t *val) { struct omap_drm_private *priv = plane->dev->dev_private; const struct omap_plane_state *omap_state = container_of(state, const struct omap_plane_state, base); if (property == priv->zorder_prop) *val = omap_state->zorder; else return -EINVAL; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Laurent Pinchart5976.62%360.00%
Andre Renaud1215.58%120.00%
Rob Clark67.79%120.00%
Total77100.00%5100.00%

static const struct drm_plane_funcs omap_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .reset = omap_plane_reset, .destroy = omap_plane_destroy, .set_property = drm_atomic_helper_plane_set_property, .atomic_duplicate_state = omap_plane_atomic_duplicate_state, .atomic_destroy_state = omap_plane_atomic_destroy_state, .atomic_set_property = omap_plane_atomic_set_property, .atomic_get_property = omap_plane_atomic_get_property, }; static const char *plane_names[] = { [OMAP_DSS_GFX] = "gfx", [OMAP_DSS_VIDEO1] = "vid1", [OMAP_DSS_VIDEO2] = "vid2", [OMAP_DSS_VIDEO3] = "vid3", }; /* initialize plane */
struct drm_plane *omap_plane_init(struct drm_device *dev, int id, enum drm_plane_type type, u32 possible_crtcs) { struct drm_plane *plane; struct omap_plane *omap_plane; int ret; DBG("%s: type=%d", plane_names[id], type); omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL); if (!omap_plane) return ERR_PTR(-ENOMEM); omap_plane->nformats = omap_framebuffer_get_formats( omap_plane->formats, ARRAY_SIZE(omap_plane->formats), dss_feat_get_supported_color_modes(id)); omap_plane->id = id; omap_plane->name = plane_names[id]; plane = &omap_plane->base; ret = drm_universal_plane_init(dev, plane, possible_crtcs, &omap_plane_funcs, omap_plane->formats, omap_plane->nformats, type, NULL); if (ret < 0) goto error; drm_plane_helper_add(plane, &omap_plane_helper_funcs); omap_plane_install_properties(plane, &plane->base); return plane; error: kfree(omap_plane); return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Rob Clark13171.58%545.45%
Laurent Pinchart4424.04%327.27%
Tomi Valkeinen42.19%19.09%
Boris Brezillon21.09%19.09%
Ville Syrjälä21.09%19.09%
Total183100.00%11100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Laurent Pinchart72245.38%1536.59%
Rob Clark40025.14%717.07%
Tomi Valkeinen37223.38%1126.83%
Ville Syrjälä513.21%49.76%
Andre Renaud211.32%12.44%
Maarten Lankhorst201.26%12.44%
Russell King30.19%12.44%
Boris Brezillon20.13%12.44%
Total1591100.00%41100.00%
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