diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_crtc.c | 52 |
1 files changed, 27 insertions, 25 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 7aadce1f7e7a..0c06844af445 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -156,7 +156,8 @@ int vc4_crtc_get_scanoutpos(struct drm_device *dev, unsigned int crtc_id, const struct drm_display_mode *mode) { struct vc4_dev *vc4 = to_vc4_dev(dev); - struct vc4_crtc *vc4_crtc = vc4->crtc[crtc_id]; + struct drm_crtc *crtc = drm_crtc_from_index(dev, crtc_id); + struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); u32 val; int fifo_lines; int vblank_lines; @@ -272,9 +273,7 @@ int vc4_crtc_get_vblank_timestamp(struct drm_device *dev, unsigned int crtc_id, int *max_error, struct timeval *vblank_time, unsigned flags) { - struct vc4_dev *vc4 = to_vc4_dev(dev); - struct vc4_crtc *vc4_crtc = vc4->crtc[crtc_id]; - struct drm_crtc *crtc = &vc4_crtc->base; + struct drm_crtc *crtc = drm_crtc_from_index(dev, crtc_id); struct drm_crtc_state *state = crtc->state; /* Helper routine in DRM core does all the work: */ @@ -349,38 +348,40 @@ static u32 vc4_get_fifo_full_level(u32 format) } /* - * Returns the clock select bit for the connector attached to the - * CRTC. + * Returns the encoder attached to the CRTC. + * + * VC4 can only scan out to one encoder at a time, while the DRM core + * allows drivers to push pixels to more than one encoder from the + * same CRTC. */ -static int vc4_get_clock_select(struct drm_crtc *crtc) +static struct drm_encoder *vc4_get_crtc_encoder(struct drm_crtc *crtc) { struct drm_connector *connector; drm_for_each_connector(connector, crtc->dev) { if (connector->state->crtc == crtc) { - struct drm_encoder *encoder = connector->encoder; - struct vc4_encoder *vc4_encoder = - to_vc4_encoder(encoder); - - return vc4_encoder->clock_select; + return connector->encoder; } } - return -1; + return NULL; } static void vc4_crtc_mode_set_nofb(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct vc4_dev *vc4 = to_vc4_dev(dev); + struct drm_encoder *encoder = vc4_get_crtc_encoder(crtc); + struct vc4_encoder *vc4_encoder = to_vc4_encoder(encoder); struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); struct drm_crtc_state *state = crtc->state; struct drm_display_mode *mode = &state->adjusted_mode; bool interlace = mode->flags & DRM_MODE_FLAG_INTERLACE; u32 pixel_rep = (mode->flags & DRM_MODE_FLAG_DBLCLK) ? 2 : 1; - u32 format = PV_CONTROL_FORMAT_24; + bool is_dsi = (vc4_encoder->type == VC4_ENCODER_TYPE_DSI0 || + vc4_encoder->type == VC4_ENCODER_TYPE_DSI1); + u32 format = is_dsi ? PV_CONTROL_FORMAT_DSIV_24 : PV_CONTROL_FORMAT_24; bool debug_dump_regs = false; - int clock_select = vc4_get_clock_select(crtc); if (debug_dump_regs) { DRM_INFO("CRTC %d regs before:\n", drm_crtc_index(crtc)); @@ -436,17 +437,19 @@ static void vc4_crtc_mode_set_nofb(struct drm_crtc *crtc) */ CRTC_WRITE(PV_V_CONTROL, PV_VCONTROL_CONTINUOUS | + (is_dsi ? PV_VCONTROL_DSI : 0) | PV_VCONTROL_INTERLACE | VC4_SET_FIELD(mode->htotal * pixel_rep / 2, PV_VCONTROL_ODD_DELAY)); CRTC_WRITE(PV_VSYNCD_EVEN, 0); } else { - CRTC_WRITE(PV_V_CONTROL, PV_VCONTROL_CONTINUOUS); + CRTC_WRITE(PV_V_CONTROL, + PV_VCONTROL_CONTINUOUS | + (is_dsi ? PV_VCONTROL_DSI : 0)); } CRTC_WRITE(PV_HACT_ACT, mode->hdisplay * pixel_rep); - CRTC_WRITE(PV_CONTROL, VC4_SET_FIELD(format, PV_CONTROL_FORMAT) | VC4_SET_FIELD(vc4_get_fifo_full_level(format), @@ -455,7 +458,8 @@ static void vc4_crtc_mode_set_nofb(struct drm_crtc *crtc) PV_CONTROL_CLR_AT_START | PV_CONTROL_TRIGGER_UNDERFLOW | PV_CONTROL_WAIT_HSTART | - VC4_SET_FIELD(clock_select, PV_CONTROL_CLK_SELECT) | + VC4_SET_FIELD(vc4_encoder->clock_select, + PV_CONTROL_CLK_SELECT) | PV_CONTROL_FIFO_CLR | PV_CONTROL_EN); @@ -589,7 +593,7 @@ static int vc4_crtc_atomic_check(struct drm_crtc *crtc, spin_lock_irqsave(&vc4->hvs->mm_lock, flags); ret = drm_mm_insert_node(&vc4->hvs->dlist_mm, &vc4_state->mm, - dlist_count, 1, 0); + dlist_count); spin_unlock_irqrestore(&vc4->hvs->mm_lock, flags); if (ret) return ret; @@ -652,8 +656,8 @@ static void vc4_crtc_atomic_flush(struct drm_crtc *crtc, int vc4_enable_vblank(struct drm_device *dev, unsigned int crtc_id) { - struct vc4_dev *vc4 = to_vc4_dev(dev); - struct vc4_crtc *vc4_crtc = vc4->crtc[crtc_id]; + struct drm_crtc *crtc = drm_crtc_from_index(dev, crtc_id); + struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); CRTC_WRITE(PV_INTEN, PV_INT_VFP_START); @@ -662,8 +666,8 @@ int vc4_enable_vblank(struct drm_device *dev, unsigned int crtc_id) void vc4_disable_vblank(struct drm_device *dev, unsigned int crtc_id) { - struct vc4_dev *vc4 = to_vc4_dev(dev); - struct vc4_crtc *vc4_crtc = vc4->crtc[crtc_id]; + struct drm_crtc *crtc = drm_crtc_from_index(dev, crtc_id); + struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); CRTC_WRITE(PV_INTEN, 0); } @@ -937,7 +941,6 @@ static int vc4_crtc_bind(struct device *dev, struct device *master, void *data) { struct platform_device *pdev = to_platform_device(dev); struct drm_device *drm = dev_get_drvdata(master); - struct vc4_dev *vc4 = to_vc4_dev(drm); struct vc4_crtc *vc4_crtc; struct drm_crtc *crtc; struct drm_plane *primary_plane, *cursor_plane, *destroy_plane, *temp; @@ -975,7 +978,6 @@ static int vc4_crtc_bind(struct device *dev, struct device *master, void *data) &vc4_crtc_funcs, NULL); drm_crtc_helper_add(crtc, &vc4_crtc_helper_funcs); primary_plane->crtc = crtc; - vc4->crtc[drm_crtc_index(crtc)] = vc4_crtc; vc4_crtc->channel = vc4_crtc->data->hvs_channel; drm_mode_crtc_set_gamma_size(crtc, ARRAY_SIZE(vc4_crtc->lut_r)); |