diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_drv.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_merge.c | 65 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 43 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dp.c | 31 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 25 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_drv.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_gem.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dsi.c | 310 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_hdmi.c | 26 |
11 files changed, 312 insertions, 212 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index 74fa56339..90e64467e 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -73,6 +73,8 @@ void mtk_merge_advance_config(struct device *dev, unsigned int l_w, unsigned int struct cmdq_pkt *cmdq_pkt); void mtk_merge_start_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt); void mtk_merge_stop_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt); +enum drm_mode_status mtk_merge_mode_valid(struct device *dev, + const struct drm_display_mode *mode); void mtk_ovl_bgclr_in_on(struct device *dev); void mtk_ovl_bgclr_in_off(struct device *dev); @@ -131,6 +133,8 @@ unsigned int mtk_ovl_adaptor_layer_nr(struct device *dev); struct device *mtk_ovl_adaptor_dma_dev_get(struct device *dev); const u32 *mtk_ovl_adaptor_get_formats(struct device *dev); size_t mtk_ovl_adaptor_get_num_formats(struct device *dev); +enum drm_mode_status mtk_ovl_adaptor_mode_valid(struct device *dev, + const struct drm_display_mode *mode); void mtk_rdma_bypass_shadow(struct device *dev); int mtk_rdma_clk_enable(struct device *dev); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_merge.c b/drivers/gpu/drm/mediatek/mtk_disp_merge.c index 22f768d92..32a29924b 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_merge.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_merge.c @@ -222,6 +222,71 @@ void mtk_merge_clk_disable(struct device *dev) clk_disable_unprepare(priv->clk); } +enum drm_mode_status mtk_merge_mode_valid(struct device *dev, + const struct drm_display_mode *mode) +{ + struct mtk_disp_merge *priv = dev_get_drvdata(dev); + unsigned long rate; + + rate = clk_get_rate(priv->clk); + + /* Convert to KHz and round the number */ + rate = (rate + 500) / 1000; + + if (rate && mode->clock > rate) { + dev_dbg(dev, "invalid clock: %d (>%lu)\n", mode->clock, rate); + return MODE_CLOCK_HIGH; + } + + /* + * Measure the bandwidth requirement of hardware prefetch (per frame) + * + * let N = prefetch buffer size in lines + * (ex. N=3, then prefetch buffer size = 3 lines) + * + * prefetch size = htotal * N (pixels) + * time per line = 1 / fps / vtotal (seconds) + * duration = vbp * time per line + * = vbp / fps / vtotal + * + * data rate = prefetch size / duration + * = htotal * N / (vbp / fps / vtotal) + * = htotal * vtotal * fps * N / vbp + * = clk * N / vbp (pixels per second) + * + * Say 4K60 (CEA-861) is the maximum mode supported by the SoC + * data rate = 594000K * N / 72 = 8250 (standard) + * (remove K * N due to the same unit) + * + * For 2560x1440@144 (clk=583600K, vbp=17): + * data rate = 583600 / 17 ~= 34329 > 8250 (NG) + * + * For 2560x1440@120 (clk=497760K, vbp=77): + * data rate = 497760 / 77 ~= 6464 < 8250 (OK) + * + * A non-standard 4K60 timing (clk=521280K, vbp=54) + * data rate = 521280 / 54 ~= 9653 > 8250 (NG) + * + * Bandwidth requirement of hardware prefetch increases significantly + * when the VBP decreases (more than 4x in this example). + * + * The proposed formula is only one way to estimate whether our SoC + * supports the mode setting. The basic idea behind it is just to check + * if the data rate requirement is too high (directly proportional to + * pixel clock, inversely proportional to vbp). Please adjust the + * function if it doesn't fit your situation in the future. + */ + rate = mode->clock / (mode->vtotal - mode->vsync_end); + + if (rate > 8250) { + dev_dbg(dev, "invalid rate: %lu (>8250): " DRM_MODE_FMT "\n", + rate, DRM_MODE_ARG(mode)); + return MODE_BAD; + } + + return MODE_OK; +} + static int mtk_disp_merge_bind(struct device *dev, struct device *master, void *data) { diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c index 12a37f740..034d31824 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -30,6 +30,7 @@ enum mtk_ovl_adaptor_comp_type { OVL_ADAPTOR_TYPE_ETHDR, OVL_ADAPTOR_TYPE_MDP_RDMA, OVL_ADAPTOR_TYPE_MERGE, + OVL_ADAPTOR_TYPE_PADDING, OVL_ADAPTOR_TYPE_NUM, }; @@ -47,6 +48,14 @@ enum mtk_ovl_adaptor_comp_id { OVL_ADAPTOR_MERGE1, OVL_ADAPTOR_MERGE2, OVL_ADAPTOR_MERGE3, + OVL_ADAPTOR_PADDING0, + OVL_ADAPTOR_PADDING1, + OVL_ADAPTOR_PADDING2, + OVL_ADAPTOR_PADDING3, + OVL_ADAPTOR_PADDING4, + OVL_ADAPTOR_PADDING5, + OVL_ADAPTOR_PADDING6, + OVL_ADAPTOR_PADDING7, OVL_ADAPTOR_ID_MAX }; @@ -67,6 +76,7 @@ static const char * const private_comp_stem[OVL_ADAPTOR_TYPE_NUM] = { [OVL_ADAPTOR_TYPE_ETHDR] = "ethdr", [OVL_ADAPTOR_TYPE_MDP_RDMA] = "vdo1-rdma", [OVL_ADAPTOR_TYPE_MERGE] = "merge", + [OVL_ADAPTOR_TYPE_PADDING] = "padding", }; static const struct mtk_ddp_comp_funcs ethdr = { @@ -79,6 +89,14 @@ static const struct mtk_ddp_comp_funcs ethdr = { static const struct mtk_ddp_comp_funcs merge = { .clk_enable = mtk_merge_clk_enable, .clk_disable = mtk_merge_clk_disable, + .mode_valid = mtk_merge_mode_valid, +}; + +static const struct mtk_ddp_comp_funcs padding = { + .clk_enable = mtk_padding_clk_enable, + .clk_disable = mtk_padding_clk_disable, + .start = mtk_padding_start, + .stop = mtk_padding_stop, }; static const struct mtk_ddp_comp_funcs rdma = { @@ -102,6 +120,14 @@ static const struct ovl_adaptor_comp_match comp_matches[OVL_ADAPTOR_ID_MAX] = { [OVL_ADAPTOR_MERGE1] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE2, 2, &merge }, [OVL_ADAPTOR_MERGE2] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE3, 3, &merge }, [OVL_ADAPTOR_MERGE3] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE4, 4, &merge }, + [OVL_ADAPTOR_PADDING0] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING0, 0, &padding }, + [OVL_ADAPTOR_PADDING1] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING1, 1, &padding }, + [OVL_ADAPTOR_PADDING2] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING2, 2, &padding }, + [OVL_ADAPTOR_PADDING3] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING3, 3, &padding }, + [OVL_ADAPTOR_PADDING4] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING4, 4, &padding }, + [OVL_ADAPTOR_PADDING5] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING5, 5, &padding }, + [OVL_ADAPTOR_PADDING6] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING6, 6, &padding }, + [OVL_ADAPTOR_PADDING7] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING7, 7, &padding }, }; void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, @@ -317,6 +343,22 @@ void mtk_ovl_adaptor_clk_disable(struct device *dev) } } +enum drm_mode_status mtk_ovl_adaptor_mode_valid(struct device *dev, + const struct drm_display_mode *mode) + +{ + int i; + struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); + + for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) { + dev = ovl_adaptor->ovl_adaptor_comp[i]; + if (!dev || !comp_matches[i].funcs->mode_valid) + continue; + return comp_matches[i].funcs->mode_valid(dev, mode); + } + return MODE_OK; +} + unsigned int mtk_ovl_adaptor_layer_nr(struct device *dev) { return MTK_OVL_ADAPTOR_LAYER_NUM; @@ -437,6 +479,7 @@ static int ovl_adaptor_comp_get_id(struct device *dev, struct device_node *node, } static const struct of_device_id mtk_ovl_adaptor_comp_dt_ids[] = { + { .compatible = "mediatek,mt8188-disp-padding", .data = (void *)OVL_ADAPTOR_TYPE_PADDING }, { .compatible = "mediatek,mt8195-disp-ethdr", .data = (void *)OVL_ADAPTOR_TYPE_ETHDR }, { .compatible = "mediatek,mt8195-disp-merge", .data = (void *)OVL_ADAPTOR_TYPE_MERGE }, { .compatible = "mediatek,mt8195-vdo1-rdma", .data = (void *)OVL_ADAPTOR_TYPE_MDP_RDMA }, diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c index 2136a596e..0ba721026 100644 --- a/drivers/gpu/drm/mediatek/mtk_dp.c +++ b/drivers/gpu/drm/mediatek/mtk_dp.c @@ -2042,12 +2042,12 @@ static enum drm_connector_status mtk_dp_bdg_detect(struct drm_bridge *bridge) return ret; } -static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *mtk_dp_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct mtk_dp *mtk_dp = mtk_dp_from_bridge(bridge); bool enabled = mtk_dp->enabled; - struct edid *new_edid = NULL; + const struct drm_edid *drm_edid; struct mtk_dp_audio_cfg *audio_caps = &mtk_dp->info.audio_cur_cfg; if (!enabled) { @@ -2055,7 +2055,7 @@ static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge, mtk_dp_aux_panel_poweron(mtk_dp, true); } - new_edid = drm_get_edid(connector, &mtk_dp->aux.ddc); + drm_edid = drm_edid_read_ddc(connector, &mtk_dp->aux.ddc); /* * Parse capability here to let atomic_get_input_bus_fmts and @@ -2063,17 +2063,26 @@ static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge, */ if (mtk_dp_parse_capabilities(mtk_dp)) { drm_err(mtk_dp->drm_dev, "Can't parse capabilities\n"); - kfree(new_edid); - new_edid = NULL; + drm_edid_free(drm_edid); + drm_edid = NULL; } - if (new_edid) { + if (drm_edid) { + /* + * FIXME: get rid of drm_edid_raw() + */ + const struct edid *edid = drm_edid_raw(drm_edid); struct cea_sad *sads; - audio_caps->sad_count = drm_edid_to_sad(new_edid, &sads); + audio_caps->sad_count = drm_edid_to_sad(edid, &sads); kfree(sads); - audio_caps->detect_monitor = drm_detect_monitor_audio(new_edid); + /* + * FIXME: This should use connector->display_info.has_audio from + * a path that has read the EDID and called + * drm_edid_connector_update(). + */ + audio_caps->detect_monitor = drm_detect_monitor_audio(edid); } if (!enabled) { @@ -2081,7 +2090,7 @@ static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge, drm_atomic_bridge_chain_post_disable(bridge, connector->state->state); } - return new_edid; + return drm_edid; } static ssize_t mtk_dp_aux_transfer(struct drm_dp_aux *mtk_aux, @@ -2433,7 +2442,7 @@ static const struct drm_bridge_funcs mtk_dp_bridge_funcs = { .atomic_enable = mtk_dp_bridge_atomic_enable, .atomic_disable = mtk_dp_bridge_atomic_disable, .mode_valid = mtk_dp_bridge_mode_valid, - .get_edid = mtk_dp_get_edid, + .edid_read = mtk_dp_edid_read, .detect = mtk_dp_bdg_detect, }; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index d398fa187..a04499c4f 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -215,6 +215,22 @@ static void mtk_drm_crtc_destroy_state(struct drm_crtc *crtc, kfree(to_mtk_crtc_state(state)); } +static enum drm_mode_status +mtk_drm_crtc_mode_valid(struct drm_crtc *crtc, + const struct drm_display_mode *mode) +{ + struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); + enum drm_mode_status status = MODE_OK; + int i; + + for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) { + status = mtk_ddp_comp_mode_valid(mtk_crtc->ddp_comp[i], mode); + if (status != MODE_OK) + break; + } + return status; +} + static bool mtk_drm_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) @@ -833,6 +849,7 @@ static const struct drm_crtc_funcs mtk_crtc_funcs = { static const struct drm_crtc_helper_funcs mtk_crtc_helper_funcs = { .mode_fixup = mtk_drm_crtc_mode_fixup, .mode_set_nofb = mtk_drm_crtc_mode_set_nofb, + .mode_valid = mtk_drm_crtc_mode_valid, .atomic_begin = mtk_drm_crtc_atomic_begin, .atomic_flush = mtk_drm_crtc_atomic_flush, .atomic_enable = mtk_drm_crtc_atomic_enable, @@ -992,10 +1009,10 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, mtk_crtc->mmsys_dev = priv->mmsys_dev; mtk_crtc->ddp_comp_nr = path_len; - mtk_crtc->ddp_comp = devm_kcalloc(dev, - mtk_crtc->ddp_comp_nr + (conn_routes ? 1 : 0), - sizeof(*mtk_crtc->ddp_comp), - GFP_KERNEL); + mtk_crtc->ddp_comp = devm_kmalloc_array(dev, + mtk_crtc->ddp_comp_nr + (conn_routes ? 1 : 0), + sizeof(*mtk_crtc->ddp_comp), + GFP_KERNEL); if (!mtk_crtc->ddp_comp) return -ENOMEM; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index a9b5a21cd..a515e96cf 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -418,6 +418,7 @@ static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = { .remove = mtk_ovl_adaptor_remove_comp, .get_formats = mtk_ovl_adaptor_get_formats, .get_num_formats = mtk_ovl_adaptor_get_num_formats, + .mode_valid = mtk_ovl_adaptor_mode_valid, }; static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 15b2eafff..93d79a136 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -12,6 +12,8 @@ #include <linux/soc/mediatek/mtk-mmsys.h> #include <linux/soc/mediatek/mtk-mutex.h> +#include <drm/drm_modes.h> + struct device; struct device_node; struct drm_crtc; @@ -85,6 +87,7 @@ struct mtk_ddp_comp_funcs { void (*add)(struct device *dev, struct mtk_mutex *mutex); void (*remove)(struct device *dev, struct mtk_mutex *mutex); unsigned int (*encoder_index)(struct device *dev); + enum drm_mode_status (*mode_valid)(struct device *dev, const struct drm_display_mode *mode); }; struct mtk_ddp_comp { @@ -126,6 +129,15 @@ static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp) comp->funcs->clk_disable(comp->dev); } +static inline +enum drm_mode_status mtk_ddp_comp_mode_valid(struct mtk_ddp_comp *comp, + const struct drm_display_mode *mode) +{ + if (comp && comp->funcs && comp->funcs->mode_valid) + return comp->funcs->mode_valid(comp->dev, mode); + return MODE_OK; +} + static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 14a1e0157..74832c213 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -293,7 +293,7 @@ static const struct mtk_mmsys_driver_data mt8188_vdosys0_driver_data = { .main_len = ARRAY_SIZE(mt8188_mtk_ddp_main), .conn_routes = mt8188_mtk_ddp_main_routes, .num_conn_routes = ARRAY_SIZE(mt8188_mtk_ddp_main_routes), - .mmsys_dev_num = 1, + .mmsys_dev_num = 2, }; static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { @@ -334,6 +334,8 @@ static const struct of_device_id mtk_drm_of_ids[] = { .data = &mt8186_mmsys_driver_data}, { .compatible = "mediatek,mt8188-vdosys0", .data = &mt8188_vdosys0_driver_data}, + { .compatible = "mediatek,mt8188-vdosys1", + .data = &mt8195_vdosys1_driver_data}, { .compatible = "mediatek,mt8192-mmsys", .data = &mt8192_mmsys_driver_data}, { .compatible = "mediatek,mt8195-mmsys", diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c index 1bf229615..4f2e3feab 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c @@ -38,9 +38,6 @@ static struct mtk_drm_gem_obj *mtk_drm_gem_init(struct drm_device *dev, size = round_up(size, PAGE_SIZE); - if (size == 0) - return ERR_PTR(-EINVAL); - mtk_gem_obj = kzalloc(sizeof(*mtk_gem_obj), GFP_KERNEL); if (!mtk_gem_obj) return ERR_PTR(-ENOMEM); diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index cd19885ee..9501f4019 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -3,6 +3,7 @@ * Copyright (c) 2015 MediaTek Inc. */ +#include <linux/bitfield.h> #include <linux/clk.h> #include <linux/component.h> #include <linux/iopoll.h> @@ -12,6 +13,7 @@ #include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/reset.h> +#include <linux/units.h> #include <video/mipi_display.h> #include <video/videomode.h> @@ -58,28 +60,31 @@ #define DSI_TXRX_CTRL 0x18 #define VC_NUM BIT(1) -#define LANE_NUM (0xf << 2) +#define LANE_NUM GENMASK(5, 2) #define DIS_EOT BIT(6) #define NULL_EN BIT(7) #define TE_FREERUN BIT(8) #define EXT_TE_EN BIT(9) #define EXT_TE_EDGE BIT(10) -#define MAX_RTN_SIZE (0xf << 12) +#define MAX_RTN_SIZE GENMASK(15, 12) #define HSTX_CKLP_EN BIT(16) #define DSI_PSCTRL 0x1c -#define DSI_PS_WC 0x3fff -#define DSI_PS_SEL (3 << 16) -#define PACKED_PS_16BIT_RGB565 (0 << 16) -#define PACKED_PS_18BIT_RGB666 (1 << 16) -#define LOOSELY_PS_24BIT_RGB666 (2 << 16) -#define PACKED_PS_24BIT_RGB888 (3 << 16) +#define DSI_PS_WC GENMASK(13, 0) +#define DSI_PS_SEL GENMASK(17, 16) +#define PACKED_PS_16BIT_RGB565 0 +#define PACKED_PS_18BIT_RGB666 1 +#define LOOSELY_PS_24BIT_RGB666 2 +#define PACKED_PS_24BIT_RGB888 3 #define DSI_VSA_NL 0x20 #define DSI_VBP_NL 0x24 #define DSI_VFP_NL 0x28 #define DSI_VACT_NL 0x2C +#define VACT_NL GENMASK(14, 0) #define DSI_SIZE_CON 0x38 +#define DSI_HEIGHT GENMASK(30, 16) +#define DSI_WIDTH GENMASK(14, 0) #define DSI_HSA_WC 0x50 #define DSI_HBP_WC 0x54 #define DSI_HFP_WC 0x58 @@ -109,26 +114,27 @@ #define LD0_WAKEUP_EN BIT(2) #define DSI_PHY_TIMECON0 0x110 -#define LPX (0xff << 0) -#define HS_PREP (0xff << 8) -#define HS_ZERO (0xff << 16) -#define HS_TRAIL (0xff << 24) +#define LPX GENMASK(7, 0) +#define HS_PREP GENMASK(15, 8) +#define HS_ZERO GENMASK(23, 16) +#define HS_TRAIL GENMASK(31, 24) #define DSI_PHY_TIMECON1 0x114 -#define TA_GO (0xff << 0) -#define TA_SURE (0xff << 8) -#define TA_GET (0xff << 16) -#define DA_HS_EXIT (0xff << 24) +#define TA_GO GENMASK(7, 0) +#define TA_SURE GENMASK(15, 8) +#define TA_GET GENMASK(23, 16) +#define DA_HS_EXIT GENMASK(31, 24) #define DSI_PHY_TIMECON2 0x118 -#define CONT_DET (0xff << 0) -#define CLK_ZERO (0xff << 16) -#define CLK_TRAIL (0xff << 24) +#define CONT_DET GENMASK(7, 0) +#define DA_HS_SYNC GENMASK(15, 8) +#define CLK_ZERO GENMASK(23, 16) +#define CLK_TRAIL GENMASK(31, 24) #define DSI_PHY_TIMECON3 0x11c -#define CLK_HS_PREP (0xff << 0) -#define CLK_HS_POST (0xff << 8) -#define CLK_HS_EXIT (0xff << 16) +#define CLK_HS_PREP GENMASK(7, 0) +#define CLK_HS_POST GENMASK(15, 8) +#define CLK_HS_EXIT GENMASK(23, 16) #define DSI_VM_CMD_CON 0x130 #define VM_CMD_EN BIT(0) @@ -138,13 +144,14 @@ #define FORCE_COMMIT BIT(0) #define BYPASS_SHADOW BIT(1) -#define CONFIG (0xff << 0) +/* CMDQ related bits */ +#define CONFIG GENMASK(7, 0) #define SHORT_PACKET 0 #define LONG_PACKET 2 #define BTA BIT(2) -#define DATA_ID (0xff << 8) -#define DATA_0 (0xff << 16) -#define DATA_1 (0xff << 24) +#define DATA_ID GENMASK(15, 8) +#define DATA_0 GENMASK(23, 16) +#define DATA_1 GENMASK(31, 24) #define NS_TO_CYCLE(n, c) ((n) / (c) + (((n) % (c)) ? 1 : 0)) @@ -232,7 +239,7 @@ static void mtk_dsi_mask(struct mtk_dsi *dsi, u32 offset, u32 mask, u32 data) static void mtk_dsi_phy_timconfig(struct mtk_dsi *dsi) { u32 timcon0, timcon1, timcon2, timcon3; - u32 data_rate_mhz = DIV_ROUND_UP(dsi->data_rate, 1000000); + u32 data_rate_mhz = DIV_ROUND_UP(dsi->data_rate, HZ_PER_MHZ); struct mtk_phy_timing *timing = &dsi->phy_timing; timing->lpx = (60 * data_rate_mhz / (8 * 1000)) + 1; @@ -252,14 +259,23 @@ static void mtk_dsi_phy_timconfig(struct mtk_dsi *dsi) timing->clk_hs_zero = timing->clk_hs_trail * 4; timing->clk_hs_exit = 2 * timing->clk_hs_trail; - timcon0 = timing->lpx | timing->da_hs_prepare << 8 | - timing->da_hs_zero << 16 | timing->da_hs_trail << 24; - timcon1 = timing->ta_go | timing->ta_sure << 8 | - timing->ta_get << 16 | timing->da_hs_exit << 24; - timcon2 = 1 << 8 | timing->clk_hs_zero << 16 | - timing->clk_hs_trail << 24; - timcon3 = timing->clk_hs_prepare | timing->clk_hs_post << 8 | - timing->clk_hs_exit << 16; + timcon0 = FIELD_PREP(LPX, timing->lpx) | + FIELD_PREP(HS_PREP, timing->da_hs_prepare) | + FIELD_PREP(HS_ZERO, timing->da_hs_zero) | + FIELD_PREP(HS_TRAIL, timing->da_hs_trail); + + timcon1 = FIELD_PREP(TA_GO, timing->ta_go) | + FIELD_PREP(TA_SURE, timing->ta_sure) | + FIELD_PREP(TA_GET, timing->ta_get) | + FIELD_PREP(DA_HS_EXIT, timing->da_hs_exit); + + timcon2 = FIELD_PREP(DA_HS_SYNC, 1) | + FIELD_PREP(CLK_ZERO, timing->clk_hs_zero) | + FIELD_PREP(CLK_TRAIL, timing->clk_hs_trail); + + timcon3 = FIELD_PREP(CLK_HS_PREP, timing->clk_hs_prepare) | + FIELD_PREP(CLK_HS_POST, timing->clk_hs_post) | + FIELD_PREP(CLK_HS_EXIT, timing->clk_hs_exit); writel(timcon0, dsi->regs + DSI_PHY_TIMECON0); writel(timcon1, dsi->regs + DSI_PHY_TIMECON1); @@ -350,101 +366,63 @@ static void mtk_dsi_set_vm_cmd(struct mtk_dsi *dsi) mtk_dsi_mask(dsi, DSI_VM_CMD_CON, TS_VFP_EN, TS_VFP_EN); } -static void mtk_dsi_ps_control_vact(struct mtk_dsi *dsi) -{ - struct videomode *vm = &dsi->vm; - u32 dsi_buf_bpp, ps_wc; - u32 ps_bpp_mode; - - if (dsi->format == MIPI_DSI_FMT_RGB565) - dsi_buf_bpp = 2; - else - dsi_buf_bpp = 3; - - ps_wc = vm->hactive * dsi_buf_bpp; - ps_bpp_mode = ps_wc; - - switch (dsi->format) { - case MIPI_DSI_FMT_RGB888: - ps_bpp_mode |= PACKED_PS_24BIT_RGB888; - break; - case MIPI_DSI_FMT_RGB666: - ps_bpp_mode |= LOOSELY_PS_24BIT_RGB666; - break; - case MIPI_DSI_FMT_RGB666_PACKED: - ps_bpp_mode |= PACKED_PS_18BIT_RGB666; - break; - case MIPI_DSI_FMT_RGB565: - ps_bpp_mode |= PACKED_PS_16BIT_RGB565; - break; - } - - writel(vm->vactive, dsi->regs + DSI_VACT_NL); - writel(ps_bpp_mode, dsi->regs + DSI_PSCTRL); - writel(ps_wc, dsi->regs + DSI_HSTX_CKL_WC); -} - static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi) { - u32 tmp_reg; + u32 regval, tmp_reg = 0; + u8 i; - switch (dsi->lanes) { - case 1: - tmp_reg = 1 << 2; - break; - case 2: - tmp_reg = 3 << 2; - break; - case 3: - tmp_reg = 7 << 2; - break; - case 4: - tmp_reg = 0xf << 2; - break; - default: - tmp_reg = 0xf << 2; - break; - } + /* Number of DSI lanes (max 4 lanes), each bit enables one DSI lane. */ + for (i = 0; i < dsi->lanes; i++) + tmp_reg |= BIT(i); + + regval = FIELD_PREP(LANE_NUM, tmp_reg); if (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) - tmp_reg |= HSTX_CKLP_EN; + regval |= HSTX_CKLP_EN; if (dsi->mode_flags & MIPI_DSI_MODE_NO_EOT_PACKET) - tmp_reg |= DIS_EOT; + regval |= DIS_EOT; - writel(tmp_reg, dsi->regs + DSI_TXRX_CTRL); + writel(regval, dsi->regs + DSI_TXRX_CTRL); } -static void mtk_dsi_ps_control(struct mtk_dsi *dsi) +static void mtk_dsi_ps_control(struct mtk_dsi *dsi, bool config_vact) { - u32 dsi_tmp_buf_bpp; - u32 tmp_reg; + u32 dsi_buf_bpp, ps_val, ps_wc, vact_nl; + + if (dsi->format == MIPI_DSI_FMT_RGB565) + dsi_buf_bpp = 2; + else + dsi_buf_bpp = 3; + + /* Word count */ + ps_wc = FIELD_PREP(DSI_PS_WC, dsi->vm.hactive * dsi_buf_bpp); + ps_val = ps_wc; + /* Pixel Stream type */ switch (dsi->format) { + default: + fallthrough; case MIPI_DSI_FMT_RGB888: - tmp_reg = PACKED_PS_24BIT_RGB888; - dsi_tmp_buf_bpp = 3; + ps_val |= FIELD_PREP(DSI_PS_SEL, PACKED_PS_24BIT_RGB888); break; case MIPI_DSI_FMT_RGB666: - tmp_reg = LOOSELY_PS_24BIT_RGB666; - dsi_tmp_buf_bpp = 3; + ps_val |= FIELD_PREP(DSI_PS_SEL, LOOSELY_PS_24BIT_RGB666); break; case MIPI_DSI_FMT_RGB666_PACKED: - tmp_reg = PACKED_PS_18BIT_RGB666; - dsi_tmp_buf_bpp = 3; + ps_val |= FIELD_PREP(DSI_PS_SEL, PACKED_PS_18BIT_RGB666); break; case MIPI_DSI_FMT_RGB565: - tmp_reg = PACKED_PS_16BIT_RGB565; - dsi_tmp_buf_bpp = 2; - break; - default: - tmp_reg = PACKED_PS_24BIT_RGB888; - dsi_tmp_buf_bpp = 3; + ps_val |= FIELD_PREP(DSI_PS_SEL, PACKED_PS_16BIT_RGB565); break; } - tmp_reg += dsi->vm.hactive * dsi_tmp_buf_bpp & DSI_PS_WC; - writel(tmp_reg, dsi->regs + DSI_PSCTRL); + if (config_vact) { + vact_nl = FIELD_PREP(VACT_NL, dsi->vm.vactive); + writel(vact_nl, dsi->regs + DSI_VACT_NL); + writel(ps_wc, dsi->regs + DSI_HSTX_CKL_WC); + } + writel(ps_val, dsi->regs + DSI_PSCTRL); } static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi) @@ -471,7 +449,8 @@ static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi) writel(vm->vactive, dsi->regs + DSI_VACT_NL); if (dsi->driver_data->has_size_ctl) - writel(vm->vactive << 16 | vm->hactive, + writel(FIELD_PREP(DSI_HEIGHT, vm->vactive) | + FIELD_PREP(DSI_WIDTH, vm->hactive), dsi->regs + DSI_SIZE_CON); horizontal_sync_active_byte = (vm->hsync_len * dsi_tmp_buf_bpp - 10); @@ -520,7 +499,7 @@ static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi) writel(horizontal_backporch_byte, dsi->regs + DSI_HBP_WC); writel(horizontal_frontporch_byte, dsi->regs + DSI_HFP_WC); - mtk_dsi_ps_control(dsi); + mtk_dsi_ps_control(dsi, false); } static void mtk_dsi_start(struct mtk_dsi *dsi) @@ -619,19 +598,12 @@ static int mtk_dsi_poweron(struct mtk_dsi *dsi) if (++dsi->refcount != 1) return 0; - switch (dsi->format) { - case MIPI_DSI_FMT_RGB565: - bit_per_pixel = 16; - break; - case MIPI_DSI_FMT_RGB666_PACKED: - bit_per_pixel = 18; - break; - case MIPI_DSI_FMT_RGB666: - case MIPI_DSI_FMT_RGB888: - default: - bit_per_pixel = 24; - break; + ret = mipi_dsi_pixel_format_to_bpp(dsi->format); + if (ret < 0) { + dev_err(dev, "Unknown MIPI DSI format %d\n", dsi->format); + return ret; } + bit_per_pixel = ret; dsi->data_rate = DIV_ROUND_UP_ULL(dsi->vm.pixelclock * bit_per_pixel, dsi->lanes); @@ -665,7 +637,7 @@ static int mtk_dsi_poweron(struct mtk_dsi *dsi) mtk_dsi_reset_engine(dsi); mtk_dsi_phy_timconfig(dsi); - mtk_dsi_ps_control_vact(dsi); + mtk_dsi_ps_control(dsi, true); mtk_dsi_set_vm_cmd(dsi); mtk_dsi_config_vdo_timing(dsi); mtk_dsi_set_interrupt_enable(dsi); @@ -814,12 +786,11 @@ mtk_dsi_bridge_mode_valid(struct drm_bridge *bridge, const struct drm_display_mode *mode) { struct mtk_dsi *dsi = bridge_to_dsi(bridge); - u32 bpp; + int bpp; - if (dsi->format == MIPI_DSI_FMT_RGB565) - bpp = 16; - else - bpp = 24; + bpp = mipi_dsi_pixel_format_to_bpp(dsi->format); + if (bpp < 0) + return MODE_ERROR; if (mode->clock * bpp / dsi->lanes > 1500000) return MODE_CLOCK_HIGH; @@ -1135,67 +1106,47 @@ static int mtk_dsi_probe(struct platform_device *pdev) if (!dsi) return -ENOMEM; - dsi->host.ops = &mtk_dsi_ops; - dsi->host.dev = dev; - ret = mipi_dsi_host_register(&dsi->host); - if (ret < 0) { - dev_err(dev, "failed to register DSI host: %d\n", ret); - return ret; - } - dsi->driver_data = of_device_get_match_data(dev); dsi->engine_clk = devm_clk_get(dev, "engine"); - if (IS_ERR(dsi->engine_clk)) { - ret = PTR_ERR(dsi->engine_clk); + if (IS_ERR(dsi->engine_clk)) + return dev_err_probe(dev, PTR_ERR(dsi->engine_clk), + "Failed to get engine clock\n"); - if (ret != -EPROBE_DEFER) - dev_err(dev, "Failed to get engine clock: %d\n", ret); - goto err_unregister_host; - } dsi->digital_clk = devm_clk_get(dev, "digital"); - if (IS_ERR(dsi->digital_clk)) { - ret = PTR_ERR(dsi->digital_clk); - - if (ret != -EPROBE_DEFER) - dev_err(dev, "Failed to get digital clock: %d\n", ret); - goto err_unregister_host; - } + if (IS_ERR(dsi->digital_clk)) + return dev_err_probe(dev, PTR_ERR(dsi->digital_clk), + "Failed to get digital clock\n"); dsi->hs_clk = devm_clk_get(dev, "hs"); - if (IS_ERR(dsi->hs_clk)) { - ret = PTR_ERR(dsi->hs_clk); - dev_err(dev, "Failed to get hs clock: %d\n", ret); - goto err_unregister_host; - } + if (IS_ERR(dsi->hs_clk)) + return dev_err_probe(dev, PTR_ERR(dsi->hs_clk), "Failed to get hs clock\n"); regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); dsi->regs = devm_ioremap_resource(dev, regs); - if (IS_ERR(dsi->regs)) { - ret = PTR_ERR(dsi->regs); - dev_err(dev, "Failed to ioremap memory: %d\n", ret); - goto err_unregister_host; - } + if (IS_ERR(dsi->regs)) + return dev_err_probe(dev, PTR_ERR(dsi->regs), "Failed to ioremap memory\n"); dsi->phy = devm_phy_get(dev, "dphy"); - if (IS_ERR(dsi->phy)) { - ret = PTR_ERR(dsi->phy); - dev_err(dev, "Failed to get MIPI-DPHY: %d\n", ret); - goto err_unregister_host; - } + if (IS_ERR(dsi->phy)) + return dev_err_probe(dev, PTR_ERR(dsi->phy), "Failed to get MIPI-DPHY\n"); irq_num = platform_get_irq(pdev, 0); - if (irq_num < 0) { - ret = irq_num; - goto err_unregister_host; - } + if (irq_num < 0) + return irq_num; + + dsi->host.ops = &mtk_dsi_ops; + dsi->host.dev = dev; + ret = mipi_dsi_host_register(&dsi->host); + if (ret < 0) + return dev_err_probe(dev, ret, "Failed to register DSI host\n"); ret = devm_request_irq(&pdev->dev, irq_num, mtk_dsi_irq, IRQF_TRIGGER_NONE, dev_name(&pdev->dev), dsi); if (ret) { - dev_err(&pdev->dev, "failed to request mediatek dsi irq\n"); - goto err_unregister_host; + mipi_dsi_host_unregister(&dsi->host); + return dev_err_probe(&pdev->dev, ret, "Failed to request DSI irq\n"); } init_waitqueue_head(&dsi->irq_wait_queue); @@ -1207,10 +1158,6 @@ static int mtk_dsi_probe(struct platform_device *pdev) dsi->bridge.type = DRM_MODE_CONNECTOR_DSI; return 0; - -err_unregister_host: - mipi_dsi_host_unregister(&dsi->host); - return ret; } static void mtk_dsi_remove(struct platform_device *pdev) @@ -1249,17 +1196,12 @@ static const struct mtk_dsi_driver_data mt8188_dsi_driver_data = { }; static const struct of_device_id mtk_dsi_of_match[] = { - { .compatible = "mediatek,mt2701-dsi", - .data = &mt2701_dsi_driver_data }, - { .compatible = "mediatek,mt8173-dsi", - .data = &mt8173_dsi_driver_data }, - { .compatible = "mediatek,mt8183-dsi", - .data = &mt8183_dsi_driver_data }, - { .compatible = "mediatek,mt8186-dsi", - .data = &mt8186_dsi_driver_data }, - { .compatible = "mediatek,mt8188-dsi", - .data = &mt8188_dsi_driver_data }, - { }, + { .compatible = "mediatek,mt2701-dsi", .data = &mt2701_dsi_driver_data }, + { .compatible = "mediatek,mt8173-dsi", .data = &mt8173_dsi_driver_data }, + { .compatible = "mediatek,mt8183-dsi", .data = &mt8183_dsi_driver_data }, + { .compatible = "mediatek,mt8186-dsi", .data = &mt8186_dsi_driver_data }, + { .compatible = "mediatek,mt8188-dsi", .data = &mt8188_dsi_driver_data }, + { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, mtk_dsi_of_match); diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index 86133bf16..c6bdc565e 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -1265,19 +1265,27 @@ static enum drm_connector_status mtk_hdmi_bridge_detect(struct drm_bridge *bridg return mtk_hdmi_detect(hdmi); } -static struct edid *mtk_hdmi_bridge_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *mtk_hdmi_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct mtk_hdmi *hdmi = hdmi_ctx_from_bridge(bridge); - struct edid *edid; + const struct drm_edid *drm_edid; if (!hdmi->ddc_adpt) return NULL; - edid = drm_get_edid(connector, hdmi->ddc_adpt); - if (!edid) - return NULL; - hdmi->dvi_mode = !drm_detect_monitor_audio(edid); - return edid; + drm_edid = drm_edid_read_ddc(connector, hdmi->ddc_adpt); + if (drm_edid) { + /* + * FIXME: This should use !connector->display_info.has_audio (or + * !connector->display_info.is_hdmi) from a path that has read + * the EDID and called drm_edid_connector_update(). + */ + const struct edid *edid = drm_edid_raw(drm_edid); + + hdmi->dvi_mode = !drm_detect_monitor_audio(edid); + } + + return drm_edid; } static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge, @@ -1417,7 +1425,7 @@ static const struct drm_bridge_funcs mtk_hdmi_bridge_funcs = { .atomic_pre_enable = mtk_hdmi_bridge_atomic_pre_enable, .atomic_enable = mtk_hdmi_bridge_atomic_enable, .detect = mtk_hdmi_bridge_detect, - .get_edid = mtk_hdmi_bridge_get_edid, + .edid_read = mtk_hdmi_bridge_edid_read, }; static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, |