diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | 340 |
1 files changed, 267 insertions, 73 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c index 84ee2efa9c66..5b0f6627e29b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c @@ -8,6 +8,9 @@ #include "dpu_hw_catalog.h" #include "dpu_hw_intf.h" #include "dpu_kms.h" +#include "dpu_trace.h" + +#include <linux/iopoll.h> #define INTF_TIMING_ENGINE_EN 0x000 #define INTF_CONFIG 0x004 @@ -36,61 +39,60 @@ #define INTF_CONFIG2 0x060 #define INTF_DISPLAY_DATA_HCTL 0x064 #define INTF_ACTIVE_DATA_HCTL 0x068 + +#define INTF_DSI_CMD_MODE_TRIGGER_EN 0x084 +#define INTF_PANEL_FORMAT 0x090 + #define INTF_FRAME_LINE_COUNT_EN 0x0A8 #define INTF_FRAME_COUNT 0x0AC -#define INTF_LINE_COUNT 0x0B0 - -#define INTF_DEFLICKER_CONFIG 0x0F0 -#define INTF_DEFLICKER_STRNG_COEFF 0x0F4 -#define INTF_DEFLICKER_WEAK_COEFF 0x0F8 - -#define INTF_DSI_CMD_MODE_TRIGGER_EN 0x084 -#define INTF_PANEL_FORMAT 0x090 -#define INTF_TPG_ENABLE 0x100 -#define INTF_TPG_MAIN_CONTROL 0x104 -#define INTF_TPG_VIDEO_CONFIG 0x108 -#define INTF_TPG_COMPONENT_LIMITS 0x10C -#define INTF_TPG_RECTANGLE 0x110 -#define INTF_TPG_INITIAL_VALUE 0x114 -#define INTF_TPG_BLK_WHITE_PATTERN_FRAMES 0x118 -#define INTF_TPG_RGB_MAPPING 0x11C -#define INTF_PROG_FETCH_START 0x170 -#define INTF_PROG_ROT_START 0x174 - -#define INTF_FRAME_LINE_COUNT_EN 0x0A8 -#define INTF_FRAME_COUNT 0x0AC -#define INTF_LINE_COUNT 0x0B0 - -#define INTF_MUX 0x25C -#define INTF_STATUS 0x26C +#define INTF_LINE_COUNT 0x0B0 + +#define INTF_DEFLICKER_CONFIG 0x0F0 +#define INTF_DEFLICKER_STRNG_COEFF 0x0F4 +#define INTF_DEFLICKER_WEAK_COEFF 0x0F8 + +#define INTF_TPG_ENABLE 0x100 +#define INTF_TPG_MAIN_CONTROL 0x104 +#define INTF_TPG_VIDEO_CONFIG 0x108 +#define INTF_TPG_COMPONENT_LIMITS 0x10C +#define INTF_TPG_RECTANGLE 0x110 +#define INTF_TPG_INITIAL_VALUE 0x114 +#define INTF_TPG_BLK_WHITE_PATTERN_FRAMES 0x118 +#define INTF_TPG_RGB_MAPPING 0x11C +#define INTF_PROG_FETCH_START 0x170 +#define INTF_PROG_ROT_START 0x174 + +#define INTF_MISR_CTRL 0x180 +#define INTF_MISR_SIGNATURE 0x184 + +#define INTF_MUX 0x25C +#define INTF_STATUS 0x26C +#define INTF_AVR_CONTROL 0x270 +#define INTF_AVR_MODE 0x274 +#define INTF_AVR_TRIGGER 0x278 +#define INTF_AVR_VTOTAL 0x27C +#define INTF_TEAR_MDP_VSYNC_SEL 0x280 +#define INTF_TEAR_TEAR_CHECK_EN 0x284 +#define INTF_TEAR_SYNC_CONFIG_VSYNC 0x288 +#define INTF_TEAR_SYNC_CONFIG_HEIGHT 0x28C +#define INTF_TEAR_SYNC_WRCOUNT 0x290 +#define INTF_TEAR_VSYNC_INIT_VAL 0x294 +#define INTF_TEAR_INT_COUNT_VAL 0x298 +#define INTF_TEAR_SYNC_THRESH 0x29C +#define INTF_TEAR_START_POS 0x2A0 +#define INTF_TEAR_RD_PTR_IRQ 0x2A4 +#define INTF_TEAR_WR_PTR_IRQ 0x2A8 +#define INTF_TEAR_OUT_LINE_COUNT 0x2AC +#define INTF_TEAR_LINE_COUNT 0x2B0 +#define INTF_TEAR_AUTOREFRESH_CONFIG 0x2B4 #define INTF_CFG_ACTIVE_H_EN BIT(29) #define INTF_CFG_ACTIVE_V_EN BIT(30) #define INTF_CFG2_DATABUS_WIDEN BIT(0) #define INTF_CFG2_DATA_HCTL_EN BIT(4) +#define INTF_CFG2_DCE_DATA_COMPRESS BIT(12) -#define INTF_MISR_CTRL 0x180 -#define INTF_MISR_SIGNATURE 0x184 - -static const struct dpu_intf_cfg *_intf_offset(enum dpu_intf intf, - const struct dpu_mdss_cfg *m, - void __iomem *addr, - struct dpu_hw_blk_reg_map *b) -{ - int i; - - for (i = 0; i < m->intf_count; i++) { - if ((intf == m->intf[i].id) && - (m->intf[i].type != INTF_NONE)) { - b->blk_addr = addr + m->intf[i].base; - b->log_mask = DPU_DBG_MASK_INTF; - return &m->intf[i]; - } - } - - return ERR_PTR(-EINVAL); -} static void dpu_hw_intf_setup_timing_engine(struct dpu_hw_intf *ctx, const struct intf_timing_params *p, @@ -104,7 +106,7 @@ static void dpu_hw_intf_setup_timing_engine(struct dpu_hw_intf *ctx, u32 active_h_start, active_h_end; u32 active_v_start, active_v_end; u32 active_hctl, display_hctl, hsync_ctl; - u32 polarity_ctl, den_polarity, hsync_polarity, vsync_polarity; + u32 polarity_ctl, den_polarity; u32 panel_format; u32 intf_cfg, intf_cfg2 = 0; u32 display_data_hctl = 0, active_data_hctl = 0; @@ -191,19 +193,9 @@ static void dpu_hw_intf_setup_timing_engine(struct dpu_hw_intf *ctx, } den_polarity = 0; - if (ctx->cap->type == INTF_HDMI) { - hsync_polarity = p->yres >= 720 ? 0 : 1; - vsync_polarity = p->yres >= 720 ? 0 : 1; - } else if (ctx->cap->type == INTF_DP) { - hsync_polarity = p->hsync_polarity; - vsync_polarity = p->vsync_polarity; - } else { - hsync_polarity = 0; - vsync_polarity = 0; - } polarity_ctl = (den_polarity << 2) | /* DEN Polarity */ - (vsync_polarity << 1) | /* VSYNC Polarity */ - (hsync_polarity << 0); /* HSYNC Polarity */ + (p->vsync_polarity << 1) | /* VSYNC Polarity */ + (p->hsync_polarity << 0); /* HSYNC Polarity */ if (!DPU_FORMAT_IS_YUV(fmt)) panel_format = (fmt->bits[C0_G_Y] | @@ -276,7 +268,6 @@ static void dpu_hw_intf_setup_prg_fetch( static void dpu_hw_intf_bind_pingpong_blk( struct dpu_hw_intf *intf, - bool enable, const enum dpu_pingpong pp) { struct dpu_hw_blk_reg_map *c = &intf->hw; @@ -285,7 +276,7 @@ static void dpu_hw_intf_bind_pingpong_blk( mux_cfg = DPU_REG_READ(c, INTF_MUX); mux_cfg &= ~0xf; - if (enable) + if (pp) mux_cfg |= (pp - PINGPONG_0) & 0x7; else mux_cfg |= 0xf; @@ -337,6 +328,200 @@ static int dpu_hw_intf_collect_misr(struct dpu_hw_intf *intf, u32 *misr_value) return dpu_hw_collect_misr(&intf->hw, INTF_MISR_CTRL, INTF_MISR_SIGNATURE, misr_value); } +static int dpu_hw_intf_enable_te(struct dpu_hw_intf *intf, + struct dpu_hw_tear_check *te) +{ + struct dpu_hw_blk_reg_map *c; + int cfg; + + if (!intf) + return -EINVAL; + + c = &intf->hw; + + cfg = BIT(19); /* VSYNC_COUNTER_EN */ + if (te->hw_vsync_mode) + cfg |= BIT(20); + + cfg |= te->vsync_count; + + DPU_REG_WRITE(c, INTF_TEAR_SYNC_CONFIG_VSYNC, cfg); + DPU_REG_WRITE(c, INTF_TEAR_SYNC_CONFIG_HEIGHT, te->sync_cfg_height); + DPU_REG_WRITE(c, INTF_TEAR_VSYNC_INIT_VAL, te->vsync_init_val); + DPU_REG_WRITE(c, INTF_TEAR_RD_PTR_IRQ, te->rd_ptr_irq); + DPU_REG_WRITE(c, INTF_TEAR_START_POS, te->start_pos); + DPU_REG_WRITE(c, INTF_TEAR_SYNC_THRESH, + ((te->sync_threshold_continue << 16) | + te->sync_threshold_start)); + DPU_REG_WRITE(c, INTF_TEAR_SYNC_WRCOUNT, + (te->start_pos + te->sync_threshold_start + 1)); + + DPU_REG_WRITE(c, INTF_TEAR_TEAR_CHECK_EN, 1); + + return 0; +} + +static void dpu_hw_intf_setup_autorefresh_config(struct dpu_hw_intf *intf, + u32 frame_count, bool enable) +{ + struct dpu_hw_blk_reg_map *c; + u32 refresh_cfg; + + c = &intf->hw; + refresh_cfg = DPU_REG_READ(c, INTF_TEAR_AUTOREFRESH_CONFIG); + if (enable) + refresh_cfg = BIT(31) | frame_count; + else + refresh_cfg &= ~BIT(31); + + DPU_REG_WRITE(c, INTF_TEAR_AUTOREFRESH_CONFIG, refresh_cfg); +} + +/* + * dpu_hw_intf_get_autorefresh_config - Get autorefresh config from HW + * @intf: DPU intf structure + * @frame_count: Used to return the current frame count from hw + * + * Returns: True if autorefresh enabled, false if disabled. + */ +static bool dpu_hw_intf_get_autorefresh_config(struct dpu_hw_intf *intf, + u32 *frame_count) +{ + u32 val = DPU_REG_READ(&intf->hw, INTF_TEAR_AUTOREFRESH_CONFIG); + + if (frame_count != NULL) + *frame_count = val & 0xffff; + return !!((val & BIT(31)) >> 31); +} + +static int dpu_hw_intf_disable_te(struct dpu_hw_intf *intf) +{ + struct dpu_hw_blk_reg_map *c; + + if (!intf) + return -EINVAL; + + c = &intf->hw; + DPU_REG_WRITE(c, INTF_TEAR_TEAR_CHECK_EN, 0); + return 0; +} + +static int dpu_hw_intf_connect_external_te(struct dpu_hw_intf *intf, + bool enable_external_te) +{ + struct dpu_hw_blk_reg_map *c = &intf->hw; + u32 cfg; + int orig; + + if (!intf) + return -EINVAL; + + c = &intf->hw; + cfg = DPU_REG_READ(c, INTF_TEAR_SYNC_CONFIG_VSYNC); + orig = (bool)(cfg & BIT(20)); + if (enable_external_te) + cfg |= BIT(20); + else + cfg &= ~BIT(20); + DPU_REG_WRITE(c, INTF_TEAR_SYNC_CONFIG_VSYNC, cfg); + trace_dpu_intf_connect_ext_te(intf->idx - INTF_0, cfg); + + return orig; +} + +static int dpu_hw_intf_get_vsync_info(struct dpu_hw_intf *intf, + struct dpu_hw_pp_vsync_info *info) +{ + struct dpu_hw_blk_reg_map *c = &intf->hw; + u32 val; + + if (!intf || !info) + return -EINVAL; + + c = &intf->hw; + + val = DPU_REG_READ(c, INTF_TEAR_VSYNC_INIT_VAL); + info->rd_ptr_init_val = val & 0xffff; + + val = DPU_REG_READ(c, INTF_TEAR_INT_COUNT_VAL); + info->rd_ptr_frame_count = (val & 0xffff0000) >> 16; + info->rd_ptr_line_count = val & 0xffff; + + val = DPU_REG_READ(c, INTF_TEAR_LINE_COUNT); + info->wr_ptr_line_count = val & 0xffff; + + val = DPU_REG_READ(c, INTF_FRAME_COUNT); + info->intf_frame_count = val; + + return 0; +} + +static void dpu_hw_intf_vsync_sel(struct dpu_hw_intf *intf, + u32 vsync_source) +{ + struct dpu_hw_blk_reg_map *c; + + if (!intf) + return; + + c = &intf->hw; + + DPU_REG_WRITE(c, INTF_TEAR_MDP_VSYNC_SEL, (vsync_source & 0xf)); +} + +static void dpu_hw_intf_disable_autorefresh(struct dpu_hw_intf *intf, + uint32_t encoder_id, u16 vdisplay) +{ + struct dpu_hw_pp_vsync_info info; + int trial = 0; + + /* If autorefresh is already disabled, we have nothing to do */ + if (!dpu_hw_intf_get_autorefresh_config(intf, NULL)) + return; + + /* + * If autorefresh is enabled, disable it and make sure it is safe to + * proceed with current frame commit/push. Sequence followed is, + * 1. Disable TE + * 2. Disable autorefresh config + * 4. Poll for frame transfer ongoing to be false + * 5. Enable TE back + */ + + dpu_hw_intf_connect_external_te(intf, false); + dpu_hw_intf_setup_autorefresh_config(intf, 0, false); + + do { + udelay(DPU_ENC_MAX_POLL_TIMEOUT_US); + if ((trial * DPU_ENC_MAX_POLL_TIMEOUT_US) + > (KICKOFF_TIMEOUT_MS * USEC_PER_MSEC)) { + DPU_ERROR("enc%d intf%d disable autorefresh failed\n", + encoder_id, intf->idx - INTF_0); + break; + } + + trial++; + + dpu_hw_intf_get_vsync_info(intf, &info); + } while (info.wr_ptr_line_count > 0 && + info.wr_ptr_line_count < vdisplay); + + dpu_hw_intf_connect_external_te(intf, true); + + DPU_DEBUG("enc%d intf%d disabled autorefresh\n", + encoder_id, intf->idx - INTF_0); + +} + +static void dpu_hw_intf_enable_compression(struct dpu_hw_intf *ctx) +{ + u32 intf_cfg2 = DPU_REG_READ(&ctx->hw, INTF_CONFIG2); + + intf_cfg2 |= INTF_CFG2_DCE_DATA_COMPRESS; + + DPU_REG_WRITE(&ctx->hw, INTF_CONFIG2, intf_cfg2); +} + static void _setup_intf_ops(struct dpu_hw_intf_ops *ops, unsigned long cap) { @@ -349,32 +534,41 @@ static void _setup_intf_ops(struct dpu_hw_intf_ops *ops, ops->bind_pingpong_blk = dpu_hw_intf_bind_pingpong_blk; ops->setup_misr = dpu_hw_intf_setup_misr; ops->collect_misr = dpu_hw_intf_collect_misr; + + if (cap & BIT(DPU_INTF_TE)) { + ops->enable_tearcheck = dpu_hw_intf_enable_te; + ops->disable_tearcheck = dpu_hw_intf_disable_te; + ops->connect_external_te = dpu_hw_intf_connect_external_te; + ops->vsync_sel = dpu_hw_intf_vsync_sel; + ops->disable_autorefresh = dpu_hw_intf_disable_autorefresh; + } + + if (cap & BIT(DPU_INTF_DATA_COMPRESS)) + ops->enable_compression = dpu_hw_intf_enable_compression; } -struct dpu_hw_intf *dpu_hw_intf_init(enum dpu_intf idx, - void __iomem *addr, - const struct dpu_mdss_cfg *m) +struct dpu_hw_intf *dpu_hw_intf_init(const struct dpu_intf_cfg *cfg, + void __iomem *addr) { struct dpu_hw_intf *c; - const struct dpu_intf_cfg *cfg; + + if (cfg->type == INTF_NONE) { + DPU_DEBUG("Skip intf %d with type NONE\n", cfg->id - INTF_0); + return NULL; + } c = kzalloc(sizeof(*c), GFP_KERNEL); if (!c) return ERR_PTR(-ENOMEM); - cfg = _intf_offset(idx, m, addr, &c->hw); - if (IS_ERR_OR_NULL(cfg)) { - kfree(c); - pr_err("failed to create dpu_hw_intf %d\n", idx); - return ERR_PTR(-EINVAL); - } + c->hw.blk_addr = addr + cfg->base; + c->hw.log_mask = DPU_DBG_MASK_INTF; /* * Assign ops */ - c->idx = idx; + c->idx = cfg->id; c->cap = cfg; - c->mdss = m; _setup_intf_ops(&c->ops, c->cap->features); return c; |