From b92e7773bdb2d5c86091cbb2d03cc55ec6365115 Mon Sep 17 00:00:00 2001 From: Neil Armstrong Date: Mon, 29 Oct 2018 17:04:05 +0100 Subject: [PATCH] drm/meson: move OSD scaler management into plane atomic update In preparation to support the Primary Plane scaling, move the basic OSD Interlace-Only scaler setup code into the primary plane atomic update callback and handle the vsync scaler update like the overlay plane scaling registers update. --- drivers/gpu/drm/meson/meson_crtc.c | 35 ++++++++++++++++------------ drivers/gpu/drm/meson/meson_drv.h | 10 ++++++++ drivers/gpu/drm/meson/meson_plane.c | 39 ++++++++++++++++++++++++++++++- drivers/gpu/drm/meson/meson_vpp.c | 46 ------------------------------------- 4 files changed, 68 insertions(+), 62 deletions(-) diff --git a/drivers/gpu/drm/meson/meson_crtc.c b/drivers/gpu/drm/meson/meson_crtc.c index 1d9d22c..6099997 100644 --- a/drivers/gpu/drm/meson/meson_crtc.c +++ b/drivers/gpu/drm/meson/meson_crtc.c @@ -193,21 +193,26 @@ void meson_crtc_irq(struct meson_drm *priv) priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W3)); writel_relaxed(priv->viu.osd1_blk0_cfg[4], priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W4)); - - /* If output is interlace, make use of the Scaler */ - if (priv->viu.osd1_interlace) { - struct drm_plane *plane = priv->primary_plane; - struct drm_plane_state *state = plane->state; - struct drm_rect dest = { - .x1 = state->crtc_x, - .y1 = state->crtc_y, - .x2 = state->crtc_x + state->crtc_w, - .y2 = state->crtc_y + state->crtc_h, - }; - - meson_vpp_setup_interlace_vscaler_osd1(priv, &dest); - } else - meson_vpp_disable_interlace_vscaler_osd1(priv); + writel_relaxed(priv->viu.osd_sc_ctrl0, + priv->io_base + _REG(VPP_OSD_SC_CTRL0)); + writel_relaxed(priv->viu.osd_sc_i_wh_m1, + priv->io_base + _REG(VPP_OSD_SCI_WH_M1)); + writel_relaxed(priv->viu.osd_sc_o_h_start_end, + priv->io_base + _REG(VPP_OSD_SCO_H_START_END)); + writel_relaxed(priv->viu.osd_sc_o_v_start_end, + priv->io_base + _REG(VPP_OSD_SCO_V_START_END)); + writel_relaxed(priv->viu.osd_sc_v_ini_phase, + priv->io_base + _REG(VPP_OSD_VSC_INI_PHASE)); + writel_relaxed(priv->viu.osd_sc_v_phase_step, + priv->io_base + _REG(VPP_OSD_VSC_PHASE_STEP)); + writel_relaxed(priv->viu.osd_sc_h_ini_phase, + priv->io_base + _REG(VPP_OSD_HSC_INI_PHASE)); + writel_relaxed(priv->viu.osd_sc_h_phase_step, + priv->io_base + _REG(VPP_OSD_HSC_PHASE_STEP)); + writel_relaxed(priv->viu.osd_sc_h_ctrl0, + priv->io_base + _REG(VPP_OSD_HSC_CTRL0)); + writel_relaxed(priv->viu.osd_sc_v_ctrl0, + priv->io_base + _REG(VPP_OSD_VSC_CTRL0)); if (priv->canvas) meson_canvas_config(priv->canvas, priv->canvas_id_osd1, diff --git a/drivers/gpu/drm/meson/meson_drv.h b/drivers/gpu/drm/meson/meson_drv.h index c971557..a955354 100644 --- a/drivers/gpu/drm/meson/meson_drv.h +++ b/drivers/gpu/drm/meson/meson_drv.h @@ -54,6 +54,16 @@ struct meson_drm { uint32_t osd1_addr; uint32_t osd1_stride; uint32_t osd1_height; + uint32_t osd_sc_ctrl0; + uint32_t osd_sc_i_wh_m1; + uint32_t osd_sc_o_h_start_end; + uint32_t osd_sc_o_v_start_end; + uint32_t osd_sc_v_ini_phase; + uint32_t osd_sc_v_phase_step; + uint32_t osd_sc_h_ini_phase; + uint32_t osd_sc_h_phase_step; + uint32_t osd_sc_h_ctrl0; + uint32_t osd_sc_v_ctrl0; bool vd1_enabled; bool vd1_commit; diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c index 51bec8e..f915a79 100644 --- a/drivers/gpu/drm/meson/meson_plane.c +++ b/drivers/gpu/drm/meson/meson_plane.c @@ -143,13 +143,50 @@ static void meson_plane_atomic_update(struct drm_plane *plane, break; }; + /* + * When the output is interlaced, the OSD must switch between + * each field using the INTERLACE_SEL_ODD (0) of VIU_OSD1_BLK0_CFG_W0 + * at each vsync. + * But the vertical scaler can provide such funtionnality if + * is configured for 2:1 scaling with interlace options enabled. + */ if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) { priv->viu.osd1_interlace = true; dest.y1 /= 2; dest.y2 /= 2; - } else + + priv->viu.osd_sc_ctrl0 = BIT(3)| /* Enable scaler */ + BIT(2); /* Select OSD1 */ + + /* 2:1 scaling */ + priv->viu.osd_sc_i_wh_m1 = ((drm_rect_width(&dest) - 1) << 16) | + (drm_rect_height(&dest) - 1); + priv->viu.osd_sc_o_h_start_end = (dest.x1 << 16) | dest.x2; + priv->viu.osd_sc_o_v_start_end = (dest.y1 << 16) | dest.y2; + + /* 2:1 vertical scaling values */ + priv->viu.osd_sc_v_ini_phase = BIT(16); + priv->viu.osd_sc_v_phase_step = BIT(25); + priv->viu.osd_sc_v_ctrl0 = + (4 << 0) | /* osd_vsc_bank_length */ + (4 << 3) | /* osd_vsc_top_ini_rcv_num0 */ + (1 << 8) | /* osd_vsc_top_rpt_p0_num0 */ + (6 << 11) | /* osd_vsc_bot_ini_rcv_num0 */ + (2 << 16) | /* osd_vsc_bot_rpt_p0_num0 */ + BIT(23) | /* osd_prog_interlace */ + BIT(24); /* Enable vertical scaler */ + + /* No horizontal scaling */ + priv->viu.osd_sc_h_ini_phase = 0; + priv->viu.osd_sc_h_phase_step = 0; + priv->viu.osd_sc_h_ctrl0 = 0; + } else { priv->viu.osd1_interlace = false; + priv->viu.osd_sc_ctrl0 = 0; + priv->viu.osd_sc_h_ctrl0 = 0; + priv->viu.osd_sc_v_ctrl0 = 0; + } /* * The format of these registers is (x2 << 16 | x1), diff --git a/drivers/gpu/drm/meson/meson_vpp.c b/drivers/gpu/drm/meson/meson_vpp.c index 5dc24a9..f9efb43 100644 --- a/drivers/gpu/drm/meson/meson_vpp.c +++ b/drivers/gpu/drm/meson/meson_vpp.c @@ -51,52 +51,6 @@ void meson_vpp_setup_mux(struct meson_drm *priv, unsigned int mux) writel(mux, priv->io_base + _REG(VPU_VIU_VENC_MUX_CTRL)); } -/* - * When the output is interlaced, the OSD must switch between - * each field using the INTERLACE_SEL_ODD (0) of VIU_OSD1_BLK0_CFG_W0 - * at each vsync. - * But the vertical scaler can provide such funtionnality if - * is configured for 2:1 scaling with interlace options enabled. - */ -void meson_vpp_setup_interlace_vscaler_osd1(struct meson_drm *priv, - struct drm_rect *input) -{ - writel_relaxed(BIT(3) /* Enable scaler */ | - BIT(2), /* Select OSD1 */ - priv->io_base + _REG(VPP_OSD_SC_CTRL0)); - - writel_relaxed(((drm_rect_width(input) - 1) << 16) | - (drm_rect_height(input) - 1), - priv->io_base + _REG(VPP_OSD_SCI_WH_M1)); - /* 2:1 scaling */ - writel_relaxed(((input->x1) << 16) | (input->x2), - priv->io_base + _REG(VPP_OSD_SCO_H_START_END)); - writel_relaxed(((input->y1 >> 1) << 16) | (input->y2 >> 1), - priv->io_base + _REG(VPP_OSD_SCO_V_START_END)); - - /* 2:1 scaling values */ - writel_relaxed(BIT(16), priv->io_base + _REG(VPP_OSD_VSC_INI_PHASE)); - writel_relaxed(BIT(25), priv->io_base + _REG(VPP_OSD_VSC_PHASE_STEP)); - - writel_relaxed(0, priv->io_base + _REG(VPP_OSD_HSC_CTRL0)); - - writel_relaxed((4 << 0) /* osd_vsc_bank_length */ | - (4 << 3) /* osd_vsc_top_ini_rcv_num0 */ | - (1 << 8) /* osd_vsc_top_rpt_p0_num0 */ | - (6 << 11) /* osd_vsc_bot_ini_rcv_num0 */ | - (2 << 16) /* osd_vsc_bot_rpt_p0_num0 */ | - BIT(23) /* osd_prog_interlace */ | - BIT(24), /* Enable vertical scaler */ - priv->io_base + _REG(VPP_OSD_VSC_CTRL0)); -} - -void meson_vpp_disable_interlace_vscaler_osd1(struct meson_drm *priv) -{ - writel_relaxed(0, priv->io_base + _REG(VPP_OSD_SC_CTRL0)); - writel_relaxed(0, priv->io_base + _REG(VPP_OSD_VSC_CTRL0)); - writel_relaxed(0, priv->io_base + _REG(VPP_OSD_HSC_CTRL0)); -} - static unsigned int vpp_filter_coefs_4point_bspline[] = { 0x15561500, 0x14561600, 0x13561700, 0x12561800, 0x11551a00, 0x11541b00, 0x10541c00, 0x0f541d00,