diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip')
| -rw-r--r-- | drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 51 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 113 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 24 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_vop_reg.h | 1 |
5 files changed, 146 insertions, 45 deletions
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index 110e83aad9bb..bf6948125b84 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -179,6 +179,23 @@ #define RK3399_TXRX_SRC_SEL_ISP0 BIT(4) #define RK3399_TXRX_TURNREQUEST GENMASK(3, 0) +#define RK3568_GRF_VO_CON2 0x0368 +#define RK3568_DSI0_SKEWCALHS (0x1f << 11) +#define RK3568_DSI0_FORCETXSTOPMODE (0xf << 4) +#define RK3568_DSI0_TURNDISABLE BIT(2) +#define RK3568_DSI0_FORCERXMODE BIT(0) + +/* + * Note these registers do not appear in the datasheet, they are + * however present in the BSP driver which is where these values + * come from. Name GRF_VO_CON3 is assumed. + */ +#define RK3568_GRF_VO_CON3 0x36c +#define RK3568_DSI1_SKEWCALHS (0x1f << 11) +#define RK3568_DSI1_FORCETXSTOPMODE (0xf << 4) +#define RK3568_DSI1_TURNDISABLE BIT(2) +#define RK3568_DSI1_FORCERXMODE BIT(0) + #define HIWORD_UPDATE(val, mask) (val | (mask) << 16) enum { @@ -735,8 +752,9 @@ static void dw_mipi_dsi_rockchip_config(struct dw_mipi_dsi_rockchip *dsi) static void dw_mipi_dsi_rockchip_set_lcdsel(struct dw_mipi_dsi_rockchip *dsi, int mux) { - regmap_write(dsi->grf_regmap, dsi->cdata->lcdsel_grf_reg, - mux ? dsi->cdata->lcdsel_lit : dsi->cdata->lcdsel_big); + if (dsi->cdata->lcdsel_grf_reg < 0) + regmap_write(dsi->grf_regmap, dsi->cdata->lcdsel_grf_reg, + mux ? dsi->cdata->lcdsel_lit : dsi->cdata->lcdsel_big); } static int @@ -963,6 +981,8 @@ static int dw_mipi_dsi_rockchip_bind(struct device *dev, DRM_DEV_ERROR(dev, "Failed to create drm encoder\n"); goto out_pll_clk; } + rockchip_drm_encoder_set_crtc_endpoint_id(&dsi->encoder, + dev->of_node, 0, 0); ret = dw_mipi_dsi_bind(dsi->dmd, &dsi->encoder.encoder); if (ret) { @@ -1612,6 +1632,30 @@ static const struct rockchip_dw_dsi_chip_data rk3399_chip_data[] = { { /* sentinel */ } }; +static const struct rockchip_dw_dsi_chip_data rk3568_chip_data[] = { + { + .reg = 0xfe060000, + .lcdsel_grf_reg = -1, + .lanecfg1_grf_reg = RK3568_GRF_VO_CON2, + .lanecfg1 = HIWORD_UPDATE(0, RK3568_DSI0_SKEWCALHS | + RK3568_DSI0_FORCETXSTOPMODE | + RK3568_DSI0_TURNDISABLE | + RK3568_DSI0_FORCERXMODE), + .max_data_lanes = 4, + }, + { + .reg = 0xfe070000, + .lcdsel_grf_reg = -1, + .lanecfg1_grf_reg = RK3568_GRF_VO_CON3, + .lanecfg1 = HIWORD_UPDATE(0, RK3568_DSI1_SKEWCALHS | + RK3568_DSI1_FORCETXSTOPMODE | + RK3568_DSI1_TURNDISABLE | + RK3568_DSI1_FORCERXMODE), + .max_data_lanes = 4, + }, + { /* sentinel */ } +}; + static const struct of_device_id dw_mipi_dsi_rockchip_dt_ids[] = { { .compatible = "rockchip,px30-mipi-dsi", @@ -1622,6 +1666,9 @@ static const struct of_device_id dw_mipi_dsi_rockchip_dt_ids[] = { }, { .compatible = "rockchip,rk3399-mipi-dsi", .data = &rk3399_chip_data, + }, { + .compatible = "rockchip,rk3568-mipi-dsi", + .data = &rk3568_chip_data, }, { /* sentinel */ } }; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index bdd48f87d098..c356de5dd220 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -9,6 +9,7 @@ #include <linux/delay.h> #include <linux/iopoll.h> #include <linux/kernel.h> +#include <linux/log2.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_device.h> @@ -67,6 +68,9 @@ #define VOP_REG_SET(vop, group, name, v) \ vop_reg_set(vop, &vop->data->group->name, 0, ~0, v, #name) +#define VOP_HAS_REG(vop, group, name) \ + (!!(vop->data->group->name.mask)) + #define VOP_INTR_SET_TYPE(vop, name, type, v) \ do { \ int i, reg = 0, mask = 0; \ @@ -184,12 +188,6 @@ struct vop { struct vop_win win[]; }; -static inline void vop_writel(struct vop *vop, uint32_t offset, uint32_t v) -{ - writel(v, vop->regs + offset); - vop->regsbak[offset >> 2] = v; -} - static inline uint32_t vop_readl(struct vop *vop, uint32_t offset) { return readl(vop->regs + offset); @@ -1188,7 +1186,7 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc, * * Key points: * - * - DRM works in in kHz. + * - DRM works in kHz. * - Clock framework works in Hz. * - Rockchip's clock driver picks the clock rate that is the * same _OR LOWER_ than the one requested. @@ -1223,17 +1221,22 @@ static bool vop_dsp_lut_is_enabled(struct vop *vop) return vop_read_reg(vop, 0, &vop->data->common->dsp_lut_en); } +static u32 vop_lut_buffer_index(struct vop *vop) +{ + return vop_read_reg(vop, 0, &vop->data->common->lut_buffer_index); +} + static void vop_crtc_write_gamma_lut(struct vop *vop, struct drm_crtc *crtc) { struct drm_color_lut *lut = crtc->state->gamma_lut->data; - unsigned int i; + unsigned int i, bpc = ilog2(vop->data->lut_size); for (i = 0; i < crtc->gamma_size; i++) { u32 word; - word = (drm_color_lut_extract(lut[i].red, 10) << 20) | - (drm_color_lut_extract(lut[i].green, 10) << 10) | - drm_color_lut_extract(lut[i].blue, 10); + word = (drm_color_lut_extract(lut[i].red, bpc) << (2 * bpc)) | + (drm_color_lut_extract(lut[i].green, bpc) << bpc) | + drm_color_lut_extract(lut[i].blue, bpc); writel(word, vop->lut_regs + i * 4); } } @@ -1243,38 +1246,66 @@ static void vop_crtc_gamma_set(struct vop *vop, struct drm_crtc *crtc, { struct drm_crtc_state *state = crtc->state; unsigned int idle; + u32 lut_idx, old_idx; int ret; if (!vop->lut_regs) return; - /* - * To disable gamma (gamma_lut is null) or to write - * an update to the LUT, clear dsp_lut_en. - */ - spin_lock(&vop->reg_lock); - VOP_REG_SET(vop, common, dsp_lut_en, 0); - vop_cfg_done(vop); - spin_unlock(&vop->reg_lock); - /* - * In order to write the LUT to the internal memory, - * we need to first make sure the dsp_lut_en bit is cleared. - */ - ret = readx_poll_timeout(vop_dsp_lut_is_enabled, vop, - idle, !idle, 5, 30 * 1000); - if (ret) { - DRM_DEV_ERROR(vop->dev, "display LUT RAM enable timeout!\n"); - return; - } + if (!state->gamma_lut || !VOP_HAS_REG(vop, common, update_gamma_lut)) { + /* + * To disable gamma (gamma_lut is null) or to write + * an update to the LUT, clear dsp_lut_en. + */ + spin_lock(&vop->reg_lock); + VOP_REG_SET(vop, common, dsp_lut_en, 0); + vop_cfg_done(vop); + spin_unlock(&vop->reg_lock); - if (!state->gamma_lut) - return; + /* + * In order to write the LUT to the internal memory, + * we need to first make sure the dsp_lut_en bit is cleared. + */ + ret = readx_poll_timeout(vop_dsp_lut_is_enabled, vop, + idle, !idle, 5, 30 * 1000); + if (ret) { + DRM_DEV_ERROR(vop->dev, "display LUT RAM enable timeout!\n"); + return; + } + + if (!state->gamma_lut) + return; + } else { + /* + * On RK3399 the gamma LUT can updated without clearing dsp_lut_en, + * by setting update_gamma_lut then waiting for lut_buffer_index change + */ + old_idx = vop_lut_buffer_index(vop); + } spin_lock(&vop->reg_lock); vop_crtc_write_gamma_lut(vop, crtc); VOP_REG_SET(vop, common, dsp_lut_en, 1); + VOP_REG_SET(vop, common, update_gamma_lut, 1); vop_cfg_done(vop); spin_unlock(&vop->reg_lock); + + if (VOP_HAS_REG(vop, common, update_gamma_lut)) { + ret = readx_poll_timeout(vop_lut_buffer_index, vop, + lut_idx, lut_idx != old_idx, 5, 30 * 1000); + if (ret) { + DRM_DEV_ERROR(vop->dev, "gamma LUT update timeout!\n"); + return; + } + + /* + * update_gamma_lut is auto cleared by HW, but write 0 to clear the bit + * in our backup of the regs. + */ + spin_lock(&vop->reg_lock); + VOP_REG_SET(vop, common, update_gamma_lut, 0); + spin_unlock(&vop->reg_lock); + } } static void vop_crtc_atomic_begin(struct drm_crtc *crtc, @@ -1324,14 +1355,6 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc, return; } - /* - * If we have a GAMMA LUT in the state, then let's make sure - * it's updated. We might be coming out of suspend, - * which means the LUT internal memory needs to be re-written. - */ - if (crtc->state->gamma_lut) - vop_crtc_gamma_set(vop, crtc, old_state); - mutex_lock(&vop->vop_lock); WARN_ON(vop->event); @@ -1422,6 +1445,14 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc, VOP_REG_SET(vop, common, standby, 0); mutex_unlock(&vop->vop_lock); + + /* + * If we have a GAMMA LUT in the state, then let's make sure + * it's updated. We might be coming out of suspend, + * which means the LUT internal memory needs to be re-written. + */ + if (crtc->state->gamma_lut) + vop_crtc_gamma_set(vop, crtc, old_state); } static bool vop_fs_irq_is_pending(struct vop *vop) @@ -2147,8 +2178,8 @@ static int vop_bind(struct device *dev, struct device *master, void *data) res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (res) { - if (!vop_data->lut_size) { - DRM_DEV_ERROR(dev, "no gamma LUT size defined\n"); + if (vop_data->lut_size != 1024 && vop_data->lut_size != 256) { + DRM_DEV_ERROR(dev, "unsupported gamma LUT size %d\n", vop_data->lut_size); return -EINVAL; } vop->lut_regs = devm_ioremap_resource(dev, res); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index ba88addc1a75..8502849833d9 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -113,6 +113,8 @@ struct vop_common { struct vop_reg dither_down_en; struct vop_reg dither_up; struct vop_reg dsp_lut_en; + struct vop_reg update_gamma_lut; + struct vop_reg lut_buffer_index; struct vop_reg gate_en; struct vop_reg mmu_en; struct vop_reg out_mode; diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index d03dd0402923..014f99e8928e 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -875,6 +875,24 @@ static const struct vop_output rk3399_output = { .mipi_dual_channel_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 3), }; +static const struct vop_common rk3399_common = { + .standby = VOP_REG_SYNC(RK3399_SYS_CTRL, 0x1, 22), + .gate_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 23), + .mmu_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 20), + .dither_down_sel = VOP_REG(RK3399_DSP_CTRL1, 0x1, 4), + .dither_down_mode = VOP_REG(RK3399_DSP_CTRL1, 0x1, 3), + .dither_down_en = VOP_REG(RK3399_DSP_CTRL1, 0x1, 2), + .pre_dither_down = VOP_REG(RK3399_DSP_CTRL1, 0x1, 1), + .dither_up = VOP_REG(RK3399_DSP_CTRL1, 0x1, 6), + .dsp_lut_en = VOP_REG(RK3399_DSP_CTRL1, 0x1, 0), + .update_gamma_lut = VOP_REG(RK3399_DSP_CTRL1, 0x1, 7), + .lut_buffer_index = VOP_REG(RK3399_DBG_POST_REG1, 0x1, 1), + .data_blank = VOP_REG(RK3399_DSP_CTRL0, 0x1, 19), + .dsp_blank = VOP_REG(RK3399_DSP_CTRL0, 0x3, 18), + .out_mode = VOP_REG(RK3399_DSP_CTRL0, 0xf, 0), + .cfg_done = VOP_REG_SYNC(RK3399_REG_CFG_DONE, 0x1, 0), +}; + static const struct vop_yuv2yuv_phy rk3399_yuv2yuv_win01_data = { .y2r_coefficients = { VOP_REG(RK3399_WIN0_YUV2YUV_Y2R + 0, 0xffff, 0), @@ -957,7 +975,7 @@ static const struct vop_data rk3399_vop_big = { .version = VOP_VERSION(3, 5), .feature = VOP_FEATURE_OUTPUT_RGB10, .intr = &rk3366_vop_intr, - .common = &rk3288_common, + .common = &rk3399_common, .modeset = &rk3288_modeset, .output = &rk3399_output, .afbc = &rk3399_vop_afbc, @@ -965,6 +983,7 @@ static const struct vop_data rk3399_vop_big = { .win = rk3399_vop_win_data, .win_size = ARRAY_SIZE(rk3399_vop_win_data), .win_yuv2yuv = rk3399_vop_big_win_yuv2yuv_data, + .lut_size = 1024, }; static const struct vop_win_data rk3399_vop_lit_win_data[] = { @@ -983,13 +1002,14 @@ static const struct vop_win_yuv2yuv_data rk3399_vop_lit_win_yuv2yuv_data[] = { static const struct vop_data rk3399_vop_lit = { .version = VOP_VERSION(3, 6), .intr = &rk3366_vop_intr, - .common = &rk3288_common, + .common = &rk3399_common, .modeset = &rk3288_modeset, .output = &rk3399_output, .misc = &rk3368_misc, .win = rk3399_vop_lit_win_data, .win_size = ARRAY_SIZE(rk3399_vop_lit_win_data), .win_yuv2yuv = rk3399_vop_lit_win_yuv2yuv_data, + .lut_size = 256, }; static const struct vop_win_data rk3228_vop_win_data[] = { diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h index 0b3cd65ba5c1..406e981c75bd 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h @@ -628,6 +628,7 @@ #define RK3399_YUV2YUV_WIN 0x02c0 #define RK3399_YUV2YUV_POST 0x02c4 #define RK3399_AUTO_GATING_EN 0x02cc +#define RK3399_DBG_POST_REG1 0x036c #define RK3399_WIN0_CSC_COE 0x03a0 #define RK3399_WIN1_CSC_COE 0x03c0 #define RK3399_WIN2_CSC_COE 0x03e0 |