diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_crtc.c | 119 |
1 files changed, 93 insertions, 26 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index 2fe735c269fc..dccd03726796 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -107,10 +107,12 @@ static struct omap_dss_device *omap_crtc_output[8]; static int omap_crtc_dss_connect(enum omap_channel channel, struct omap_dss_device *dst) { + const struct dispc_ops *dispc_ops = dispc_get_ops(); + if (omap_crtc_output[channel]) return -EINVAL; - if ((dispc_mgr_get_supported_outputs(channel) & dst->id) == 0) + if ((dispc_ops->mgr_get_supported_outputs(channel) & dst->id) == 0) return -EINVAL; omap_crtc_output[channel] = dst; @@ -134,6 +136,7 @@ static void omap_crtc_dss_start_update(enum omap_channel channel) static void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable) { struct drm_device *dev = crtc->dev; + struct omap_drm_private *priv = dev->dev_private; struct omap_crtc *omap_crtc = to_omap_crtc(crtc); enum omap_channel channel = omap_crtc->channel; struct omap_irq_wait *wait; @@ -144,7 +147,7 @@ static void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable) return; if (omap_crtc_output[channel]->output_type == OMAP_DISPLAY_TYPE_HDMI) { - dispc_mgr_enable(channel, enable); + priv->dispc_ops->mgr_enable(channel, enable); omap_crtc->enabled = enable; return; } @@ -157,8 +160,8 @@ static void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable) omap_crtc->ignore_digit_sync_lost = true; } - framedone_irq = dispc_mgr_get_framedone_irq(channel); - vsync_irq = dispc_mgr_get_vsync_irq(channel); + framedone_irq = priv->dispc_ops->mgr_get_framedone_irq(channel); + vsync_irq = priv->dispc_ops->mgr_get_vsync_irq(channel); if (enable) { wait = omap_irq_wait_init(dev, vsync_irq, 1); @@ -178,7 +181,7 @@ static void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable) wait = omap_irq_wait_init(dev, vsync_irq, 2); } - dispc_mgr_enable(channel, enable); + priv->dispc_ops->mgr_enable(channel, enable); omap_crtc->enabled = enable; ret = omap_irq_wait(dev, wait, msecs_to_jiffies(100)); @@ -198,17 +201,9 @@ static void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable) static int omap_crtc_dss_enable(enum omap_channel channel) { struct omap_crtc *omap_crtc = omap_crtcs[channel]; - struct omap_overlay_manager_info info; + struct omap_drm_private *priv = omap_crtc->base.dev->dev_private; - memset(&info, 0, sizeof(info)); - info.default_color = 0x00000000; - info.trans_key = 0x00000000; - info.trans_key_type = OMAP_DSS_COLOR_KEY_GFX_DST; - info.trans_enabled = false; - - dispc_mgr_setup(omap_crtc->channel, &info); - dispc_mgr_set_timings(omap_crtc->channel, - &omap_crtc->vm); + priv->dispc_ops->mgr_set_timings(omap_crtc->channel, &omap_crtc->vm); omap_crtc_set_enabled(&omap_crtc->base, true); return 0; @@ -233,8 +228,10 @@ static void omap_crtc_dss_set_lcd_config(enum omap_channel channel, const struct dss_lcd_mgr_config *config) { struct omap_crtc *omap_crtc = omap_crtcs[channel]; + struct omap_drm_private *priv = omap_crtc->base.dev->dev_private; + DBG("%s", omap_crtc->name); - dispc_mgr_set_lcd_config(omap_crtc->channel, config); + priv->dispc_ops->mgr_set_lcd_config(omap_crtc->channel, config); } static int omap_crtc_dss_register_framedone( @@ -282,6 +279,8 @@ void omap_crtc_error_irq(struct drm_crtc *crtc, uint32_t irqstatus) void omap_crtc_vblank_irq(struct drm_crtc *crtc) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); + struct drm_device *dev = omap_crtc->base.dev; + struct omap_drm_private *priv = dev->dev_private; bool pending; spin_lock(&crtc->dev->event_lock); @@ -289,7 +288,7 @@ void omap_crtc_vblank_irq(struct drm_crtc *crtc) * If the dispc is busy we're racing the flush operation. Try again on * the next vblank interrupt. */ - if (dispc_mgr_go_busy(omap_crtc->channel)) { + if (priv->dispc_ops->mgr_go_busy(omap_crtc->channel)) { spin_unlock(&crtc->dev->event_lock); return; } @@ -313,6 +312,22 @@ void omap_crtc_vblank_irq(struct drm_crtc *crtc) DBG("%s: apply done", omap_crtc->name); } +static void omap_crtc_write_crtc_properties(struct drm_crtc *crtc) +{ + struct omap_drm_private *priv = crtc->dev->dev_private; + struct omap_crtc *omap_crtc = to_omap_crtc(crtc); + struct omap_overlay_manager_info info; + + memset(&info, 0, sizeof(info)); + + info.default_color = 0x000000; + info.trans_enabled = false; + info.partial_alpha_enabled = false; + info.cpr_enable = false; + + priv->dispc_ops->mgr_setup(omap_crtc->channel, &info); +} + /* ----------------------------------------------------------------------------- * CRTC Functions */ @@ -358,6 +373,11 @@ static void omap_crtc_mode_set_nofb(struct drm_crtc *crtc) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); struct drm_display_mode *mode = &crtc->state->adjusted_mode; + struct omap_drm_private *priv = crtc->dev->dev_private; + const u32 flags_mask = DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_DE_LOW | + DISPLAY_FLAGS_PIXDATA_POSEDGE | DISPLAY_FLAGS_PIXDATA_NEGEDGE | + DISPLAY_FLAGS_SYNC_POSEDGE | DISPLAY_FLAGS_SYNC_NEGEDGE; + unsigned int i; DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x", omap_crtc->name, mode->base.id, mode->name, @@ -367,9 +387,38 @@ static void omap_crtc_mode_set_nofb(struct drm_crtc *crtc) mode->type, mode->flags); drm_display_mode_to_videomode(mode, &omap_crtc->vm); - omap_crtc->vm.flags |= DISPLAY_FLAGS_DE_HIGH | - DISPLAY_FLAGS_PIXDATA_POSEDGE | - DISPLAY_FLAGS_SYNC_NEGEDGE; + + /* + * HACK: This fixes the vm flags. + * struct drm_display_mode does not contain the VSYNC/HSYNC/DE flags + * and they get lost when converting back and forth between + * struct drm_display_mode and struct videomode. The hack below + * goes and fetches the missing flags from the panel drivers. + * + * Correct solution would be to use DRM's bus-flags, but that's not + * easily possible before the omapdrm's panel/encoder driver model + * has been changed to the DRM model. + */ + + for (i = 0; i < priv->num_encoders; ++i) { + struct drm_encoder *encoder = priv->encoders[i]; + + if (encoder->crtc == crtc) { + struct omap_dss_device *dssdev; + + dssdev = omap_encoder_get_dssdev(encoder); + + if (dssdev) { + struct videomode vm = {0}; + + dssdev->driver->get_timings(dssdev, &vm); + + omap_crtc->vm.flags |= vm.flags & flags_mask; + } + + break; + } + } } static int omap_crtc_atomic_check(struct drm_crtc *crtc, @@ -394,6 +443,7 @@ static void omap_crtc_atomic_begin(struct drm_crtc *crtc, static void omap_crtc_atomic_flush(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { + struct omap_drm_private *priv = crtc->dev->dev_private; struct omap_crtc *omap_crtc = to_omap_crtc(crtc); int ret; @@ -407,9 +457,11 @@ static void omap_crtc_atomic_flush(struct drm_crtc *crtc, length = crtc->state->gamma_lut->length / sizeof(*lut); } - dispc_mgr_set_gamma(omap_crtc->channel, lut, length); + priv->dispc_ops->mgr_set_gamma(omap_crtc->channel, lut, length); } + omap_crtc_write_crtc_properties(crtc); + /* Only flush the CRTC if it is currently enabled. */ if (!omap_crtc->enabled) return; @@ -420,7 +472,7 @@ static void omap_crtc_atomic_flush(struct drm_crtc *crtc, WARN_ON(ret != 0); spin_lock_irq(&crtc->dev->event_lock); - dispc_mgr_go(omap_crtc->channel); + priv->dispc_ops->mgr_go(omap_crtc->channel); WARN_ON(omap_crtc->pending); omap_crtc->pending = true; @@ -521,6 +573,8 @@ static const char *channel_names[] = { void omap_crtc_pre_init(void) { + memset(omap_crtcs, 0, sizeof(omap_crtcs)); + dss_install_mgr_ops(&mgr_ops); } @@ -531,17 +585,28 @@ void omap_crtc_pre_uninit(void) /* initialize crtc */ struct drm_crtc *omap_crtc_init(struct drm_device *dev, - struct drm_plane *plane, enum omap_channel channel, int id) + struct drm_plane *plane, struct omap_dss_device *dssdev) { + struct omap_drm_private *priv = dev->dev_private; struct drm_crtc *crtc = NULL; struct omap_crtc *omap_crtc; + enum omap_channel channel; + struct omap_dss_device *out; int ret; + out = omapdss_find_output_from_display(dssdev); + channel = out->dispc_channel; + omap_dss_put_device(out); + DBG("%s", channel_names[channel]); + /* Multiple displays on same channel is not allowed */ + if (WARN_ON(omap_crtcs[channel] != NULL)) + return ERR_PTR(-EINVAL); + omap_crtc = kzalloc(sizeof(*omap_crtc), GFP_KERNEL); if (!omap_crtc) - return NULL; + return ERR_PTR(-ENOMEM); crtc = &omap_crtc->base; @@ -553,8 +618,10 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev, ret = drm_crtc_init_with_planes(dev, crtc, plane, NULL, &omap_crtc_funcs, NULL); if (ret < 0) { + dev_err(dev->dev, "%s(): could not init crtc for: %s\n", + __func__, dssdev->name); kfree(omap_crtc); - return NULL; + return ERR_PTR(ret); } drm_crtc_helper_add(crtc, &omap_crtc_helper_funcs); @@ -566,7 +633,7 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev, * extracted with dispc_mgr_gamma_size(). If it returns 0 * gamma table is not supprted. */ - if (dispc_mgr_gamma_size(channel)) { + if (priv->dispc_ops->mgr_gamma_size(channel)) { uint gamma_lut_size = 256; drm_crtc_enable_color_mgmt(crtc, 0, false, gamma_lut_size); |