[PATCH 1/2] drm/msm/dpu: move hw_inf encoder baseclass

Both video and command physical encoders will have a hw interface assigned to it. So there is really no need to track the hw block in specific encoder subclass.

Signed-off-by: Jeykumar Sankaran jsanka@codeaurora.org --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h | 4 +- .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 125 +++++++++------------ 2 files changed, 52 insertions(+), 77 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h index 44e6f8b6..acd5956 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h @@ -201,6 +201,7 @@ struct dpu_encoder_irq { * @hw_mdptop: Hardware interface to the top registers * @hw_ctl: Hardware interface to the ctl registers * @hw_pp: Hardware interface to the ping pong registers + * @hw_intf: Hardware interface to the intf registers * @dpu_kms: Pointer to the dpu_kms top level * @cached_mode: DRM mode cached at mode_set time, acted on in enable * @enabled: Whether the encoder has enabled and running a mode @@ -229,6 +230,7 @@ struct dpu_encoder_phys { struct dpu_hw_mdp *hw_mdptop; struct dpu_hw_ctl *hw_ctl; struct dpu_hw_pingpong *hw_pp; + struct dpu_hw_intf *hw_intf; struct dpu_kms *dpu_kms; struct drm_display_mode cached_mode; enum dpu_enc_split_role split_role; @@ -255,12 +257,10 @@ static inline int dpu_encoder_phys_inc_pending(struct dpu_encoder_phys *phys) * struct dpu_encoder_phys_vid - sub-class of dpu_encoder_phys to handle video * mode specific operations * @base: Baseclass physical encoder structure - * @hw_intf: Hardware interface to the intf registers * @timing_params: Current timing parameter */ struct dpu_encoder_phys_vid { struct dpu_encoder_phys base; - struct dpu_hw_intf *hw_intf; struct intf_timing_params timing_params; };

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c index acdab5b0..e326395 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c @@ -18,14 +18,14 @@ #include "dpu_trace.h"

#define DPU_DEBUG_VIDENC(e, fmt, ...) DPU_DEBUG("enc%d intf%d " fmt, \ - (e) && (e)->base.parent ? \ - (e)->base.parent->base.id : -1, \ + (e) && (e)->parent ? \ + (e)->parent->base.id : -1, \ (e) && (e)->hw_intf ? \ (e)->hw_intf->idx - INTF_0 : -1, ##__VA_ARGS__)

#define DPU_ERROR_VIDENC(e, fmt, ...) DPU_ERROR("enc%d intf%d " fmt, \ - (e) && (e)->base.parent ? \ - (e)->base.parent->base.id : -1, \ + (e) && (e)->parent ? \ + (e)->parent->base.id : -1, \ (e) && (e)->hw_intf ? \ (e)->hw_intf->idx - INTF_0 : -1, ##__VA_ARGS__)

@@ -44,7 +44,7 @@ static bool dpu_encoder_phys_vid_is_master( }

static void drm_mode_to_intf_timing_params( - const struct dpu_encoder_phys_vid *vid_enc, + const struct dpu_encoder_phys *phys_enc, const struct drm_display_mode *mode, struct intf_timing_params *timing) { @@ -92,7 +92,7 @@ static void drm_mode_to_intf_timing_params( timing->hsync_skew = mode->hskew;

/* DSI controller cannot handle active-low sync signals. */ - if (vid_enc->hw_intf->cap->type == INTF_DSI) { + if (phys_enc->hw_intf->cap->type == INTF_DSI) { timing->hsync_polarity = 0; timing->vsync_polarity = 0; } @@ -143,11 +143,11 @@ static u32 get_vertical_total(const struct intf_timing_params *timing) * lines based on the chip worst case latencies. */ static u32 programmable_fetch_get_num_lines( - struct dpu_encoder_phys_vid *vid_enc, + struct dpu_encoder_phys *phys_enc, const struct intf_timing_params *timing) { u32 worst_case_needed_lines = - vid_enc->hw_intf->cap->prog_fetch_lines_worst_case; + phys_enc->hw_intf->cap->prog_fetch_lines_worst_case; u32 start_of_frame_lines = timing->v_back_porch + timing->vsync_pulse_width; u32 needed_vfp_lines = worst_case_needed_lines - start_of_frame_lines; @@ -155,26 +155,26 @@ static u32 programmable_fetch_get_num_lines(

/* Fetch must be outside active lines, otherwise undefined. */ if (start_of_frame_lines >= worst_case_needed_lines) { - DPU_DEBUG_VIDENC(vid_enc, + DPU_DEBUG_VIDENC(phys_enc, "prog fetch is not needed, large vbp+vsw\n"); actual_vfp_lines = 0; } else if (timing->v_front_porch < needed_vfp_lines) { /* Warn fetch needed, but not enough porch in panel config */ pr_warn_once ("low vbp+vfp may lead to perf issues in some cases\n"); - DPU_DEBUG_VIDENC(vid_enc, + DPU_DEBUG_VIDENC(phys_enc, "less vfp than fetch req, using entire vfp\n"); actual_vfp_lines = timing->v_front_porch; } else { - DPU_DEBUG_VIDENC(vid_enc, "room in vfp for needed prefetch\n"); + DPU_DEBUG_VIDENC(phys_enc, "room in vfp for needed prefetch\n"); actual_vfp_lines = needed_vfp_lines; }

- DPU_DEBUG_VIDENC(vid_enc, + DPU_DEBUG_VIDENC(phys_enc, "v_front_porch %u v_back_porch %u vsync_pulse_width %u\n", timing->v_front_porch, timing->v_back_porch, timing->vsync_pulse_width); - DPU_DEBUG_VIDENC(vid_enc, + DPU_DEBUG_VIDENC(phys_enc, "wc_lines %u needed_vfp_lines %u actual_vfp_lines %u\n", worst_case_needed_lines, needed_vfp_lines, actual_vfp_lines);

@@ -194,8 +194,6 @@ static u32 programmable_fetch_get_num_lines( static void programmable_fetch_config(struct dpu_encoder_phys *phys_enc, const struct intf_timing_params *timing) { - struct dpu_encoder_phys_vid *vid_enc = - to_dpu_encoder_phys_vid(phys_enc); struct intf_prog_fetch f = { 0 }; u32 vfp_fetch_lines = 0; u32 horiz_total = 0; @@ -203,10 +201,10 @@ static void programmable_fetch_config(struct dpu_encoder_phys *phys_enc, u32 vfp_fetch_start_vsync_counter = 0; unsigned long lock_flags;

- if (WARN_ON_ONCE(!vid_enc->hw_intf->ops.setup_prg_fetch)) + if (WARN_ON_ONCE(!phys_enc->hw_intf->ops.setup_prg_fetch)) return;

- vfp_fetch_lines = programmable_fetch_get_num_lines(vid_enc, timing); + vfp_fetch_lines = programmable_fetch_get_num_lines(phys_enc, timing); if (vfp_fetch_lines) { vert_total = get_vertical_total(timing); horiz_total = get_horizontal_total(timing); @@ -216,12 +214,12 @@ static void programmable_fetch_config(struct dpu_encoder_phys *phys_enc, f.fetch_start = vfp_fetch_start_vsync_counter; }

- DPU_DEBUG_VIDENC(vid_enc, + DPU_DEBUG_VIDENC(phys_enc, "vfp_fetch_lines %u vfp_fetch_start_vsync_counter %u\n", vfp_fetch_lines, vfp_fetch_start_vsync_counter);

spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags); - vid_enc->hw_intf->ops.setup_prg_fetch(vid_enc->hw_intf, &f); + phys_enc->hw_intf->ops.setup_prg_fetch(phys_enc->hw_intf, &f); spin_unlock_irqrestore(phys_enc->enc_spinlock, lock_flags); }

@@ -231,7 +229,7 @@ static bool dpu_encoder_phys_vid_mode_fixup( struct drm_display_mode *adj_mode) { if (phys_enc) - DPU_DEBUG_VIDENC(to_dpu_encoder_phys_vid(phys_enc), "\n"); + DPU_DEBUG_VIDENC(phys_enc, "\n");

/* * Modifying mode has consequences when the mode comes back to us @@ -257,12 +255,12 @@ static void dpu_encoder_phys_vid_setup_timing_engine(

mode = phys_enc->cached_mode; vid_enc = to_dpu_encoder_phys_vid(phys_enc); - if (!vid_enc->hw_intf->ops.setup_timing_gen) { + if (!phys_enc->hw_intf->ops.setup_timing_gen) { DPU_ERROR("timing engine setup is not supported\n"); return; }

- DPU_DEBUG_VIDENC(vid_enc, "enabling mode:\n"); + DPU_DEBUG_VIDENC(phys_enc, "enabling mode:\n"); drm_mode_debug_printmodeline(&mode);

if (phys_enc->split_role != ENC_ROLE_SOLO) { @@ -271,25 +269,25 @@ static void dpu_encoder_phys_vid_setup_timing_engine( mode.hsync_start >>= 1; mode.hsync_end >>= 1;

- DPU_DEBUG_VIDENC(vid_enc, + DPU_DEBUG_VIDENC(phys_enc, "split_role %d, halve horizontal %d %d %d %d\n", phys_enc->split_role, mode.hdisplay, mode.htotal, mode.hsync_start, mode.hsync_end); }

- drm_mode_to_intf_timing_params(vid_enc, &mode, &timing_params); + drm_mode_to_intf_timing_params(phys_enc, &mode, &timing_params);

fmt = dpu_get_dpu_format(fmt_fourcc); - DPU_DEBUG_VIDENC(vid_enc, "fmt_fourcc 0x%X\n", fmt_fourcc); + DPU_DEBUG_VIDENC(phys_enc, "fmt_fourcc 0x%X\n", fmt_fourcc);

- intf_cfg.intf = vid_enc->hw_intf->idx; + intf_cfg.intf = phys_enc->hw_intf->idx; intf_cfg.intf_mode_sel = DPU_CTL_MODE_SEL_VID; intf_cfg.stream_sel = 0; /* Don't care value for video mode */ intf_cfg.mode_3d = dpu_encoder_helper_get_3d_blend_mode(phys_enc);

spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags); - vid_enc->hw_intf->ops.setup_timing_gen(vid_enc->hw_intf, + phys_enc->hw_intf->ops.setup_timing_gen(phys_enc->hw_intf, &timing_params, fmt); phys_enc->hw_ctl->ops.setup_intf_cfg(phys_enc->hw_ctl, &intf_cfg); spin_unlock_irqrestore(phys_enc->enc_spinlock, lock_flags); @@ -396,19 +394,15 @@ static void dpu_encoder_phys_vid_mode_set( struct drm_display_mode *mode, struct drm_display_mode *adj_mode) { - struct dpu_encoder_phys_vid *vid_enc; - if (!phys_enc || !phys_enc->dpu_kms) { DPU_ERROR("invalid encoder/kms\n"); return; }

- vid_enc = to_dpu_encoder_phys_vid(phys_enc); - if (adj_mode) { phys_enc->cached_mode = *adj_mode; drm_mode_debug_printmodeline(adj_mode); - DPU_DEBUG_VIDENC(vid_enc, "caching mode:\n"); + DPU_DEBUG_VIDENC(phys_enc, "caching mode:\n"); }

_dpu_encoder_phys_vid_setup_irq_hw_idx(phys_enc); @@ -419,7 +413,6 @@ static int dpu_encoder_phys_vid_control_vblank_irq( bool enable) { int ret = 0; - struct dpu_encoder_phys_vid *vid_enc; int refcount;

if (!phys_enc) { @@ -428,7 +421,6 @@ static int dpu_encoder_phys_vid_control_vblank_irq( }

refcount = atomic_read(&phys_enc->vblank_refcount); - vid_enc = to_dpu_encoder_phys_vid(phys_enc);

/* Slave encoders don't report vblank */ if (!dpu_encoder_phys_vid_is_master(phys_enc)) @@ -453,7 +445,7 @@ static int dpu_encoder_phys_vid_control_vblank_irq( if (ret) { DRM_ERROR("failed: id:%u intf:%d ret:%d enable:%d refcnt:%d\n", DRMID(phys_enc->parent), - vid_enc->hw_intf->idx - INTF_0, ret, enable, + phys_enc->hw_intf->idx - INTF_0, ret, enable, refcount); } return ret; @@ -462,7 +454,6 @@ static int dpu_encoder_phys_vid_control_vblank_irq( static void dpu_encoder_phys_vid_enable(struct dpu_encoder_phys *phys_enc) { struct msm_drm_private *priv; - struct dpu_encoder_phys_vid *vid_enc; struct dpu_rm_hw_iter iter; struct dpu_hw_ctl *ctl; u32 flush_mask = 0; @@ -474,7 +465,6 @@ static void dpu_encoder_phys_vid_enable(struct dpu_encoder_phys *phys_enc) } priv = phys_enc->parent->dev->dev_private;

- vid_enc = to_dpu_encoder_phys_vid(phys_enc); ctl = phys_enc->hw_ctl;

dpu_rm_init_hw_iter(&iter, phys_enc->parent->base.id, DPU_HW_BLK_INTF); @@ -482,22 +472,22 @@ static void dpu_encoder_phys_vid_enable(struct dpu_encoder_phys *phys_enc) struct dpu_hw_intf *hw_intf = (struct dpu_hw_intf *)iter.hw;

if (hw_intf->idx == phys_enc->intf_idx) { - vid_enc->hw_intf = hw_intf; + phys_enc->hw_intf = hw_intf; break; } }

- if (!vid_enc->hw_intf) { + if (!phys_enc->hw_intf) { DPU_ERROR("hw_intf not assigned\n"); return; }

- DPU_DEBUG_VIDENC(vid_enc, "\n"); + DPU_DEBUG_VIDENC(phys_enc, "\n");

- if (WARN_ON(!vid_enc->hw_intf->ops.enable_timing)) + if (WARN_ON(!phys_enc->hw_intf->ops.enable_timing)) return;

- dpu_encoder_helper_split_config(phys_enc, vid_enc->hw_intf->idx); + dpu_encoder_helper_split_config(phys_enc, phys_enc->hw_intf->idx);

dpu_encoder_phys_vid_setup_timing_engine(phys_enc);

@@ -510,12 +500,13 @@ static void dpu_encoder_phys_vid_enable(struct dpu_encoder_phys *phys_enc) !dpu_encoder_phys_vid_is_master(phys_enc)) goto skip_flush;

- ctl->ops.get_bitmask_intf(ctl, &flush_mask, vid_enc->hw_intf->idx); + ctl->ops.get_bitmask_intf(ctl, &flush_mask, phys_enc->hw_intf->idx); ctl->ops.update_pending_flush(ctl, flush_mask);

skip_flush: - DPU_DEBUG_VIDENC(vid_enc, "update pending flush ctl %d flush_mask %x\n", - ctl->idx - CTL_0, flush_mask); + DPU_DEBUG_VIDENC(phys_enc, + "update pending flush ctl %d flush_mask %x\n", + ctl->idx - CTL_0, flush_mask);

/* ctl_flush & timing engine enable will be triggered by framework */ if (phys_enc->enable_state == DPU_ENC_DISABLED) @@ -532,7 +523,7 @@ static void dpu_encoder_phys_vid_destroy(struct dpu_encoder_phys *phys_enc) }

vid_enc = to_dpu_encoder_phys_vid(phys_enc); - DPU_DEBUG_VIDENC(vid_enc, "\n"); + DPU_DEBUG_VIDENC(phys_enc, "\n"); kfree(vid_enc); }

@@ -590,7 +581,6 @@ static void dpu_encoder_phys_vid_prepare_for_kickoff( struct dpu_encoder_phys *phys_enc, struct dpu_encoder_kickoff_params *params) { - struct dpu_encoder_phys_vid *vid_enc; struct dpu_hw_ctl *ctl; int rc;

@@ -598,7 +588,6 @@ static void dpu_encoder_phys_vid_prepare_for_kickoff( DPU_ERROR("invalid encoder/parameters\n"); return; } - vid_enc = to_dpu_encoder_phys_vid(phys_enc);

ctl = phys_enc->hw_ctl; if (!ctl || !ctl->ops.wait_reset_status) @@ -610,7 +599,7 @@ static void dpu_encoder_phys_vid_prepare_for_kickoff( */ rc = ctl->ops.wait_reset_status(ctl); if (rc) { - DPU_ERROR_VIDENC(vid_enc, "ctl %d reset failure: %d\n", + DPU_ERROR_VIDENC(phys_enc, "ctl %d reset failure: %d\n", ctl->idx, rc); dpu_encoder_helper_unregister_irq(phys_enc, INTR_IDX_VSYNC); } @@ -619,7 +608,6 @@ static void dpu_encoder_phys_vid_prepare_for_kickoff( static void dpu_encoder_phys_vid_disable(struct dpu_encoder_phys *phys_enc) { struct msm_drm_private *priv; - struct dpu_encoder_phys_vid *vid_enc; unsigned long lock_flags; int ret;

@@ -630,16 +618,13 @@ static void dpu_encoder_phys_vid_disable(struct dpu_encoder_phys *phys_enc) } priv = phys_enc->parent->dev->dev_private;

- vid_enc = to_dpu_encoder_phys_vid(phys_enc); - if (!vid_enc->hw_intf || !phys_enc->hw_ctl) { + if (!phys_enc->hw_intf || !phys_enc->hw_ctl) { DPU_ERROR("invalid hw_intf %d hw_ctl %d\n", - vid_enc->hw_intf != 0, phys_enc->hw_ctl != 0); + phys_enc->hw_intf != 0, phys_enc->hw_ctl != 0); return; }

- DPU_DEBUG_VIDENC(vid_enc, "\n"); - - if (WARN_ON(!vid_enc->hw_intf->ops.enable_timing)) + if (WARN_ON(!phys_enc->hw_intf->ops.enable_timing)) return;

if (phys_enc->enable_state == DPU_ENC_DISABLED) { @@ -648,7 +633,7 @@ static void dpu_encoder_phys_vid_disable(struct dpu_encoder_phys *phys_enc) }

spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags); - vid_enc->hw_intf->ops.enable_timing(vid_enc->hw_intf, 0); + phys_enc->hw_intf->ops.enable_timing(phys_enc->hw_intf, 0); if (dpu_encoder_phys_vid_is_master(phys_enc)) dpu_encoder_phys_inc_pending(phys_enc); spin_unlock_irqrestore(phys_enc->enc_spinlock, lock_flags); @@ -667,7 +652,7 @@ static void dpu_encoder_phys_vid_disable(struct dpu_encoder_phys *phys_enc) atomic_set(&phys_enc->pending_kickoff_cnt, 0); DRM_ERROR("wait disable failed: id:%u intf:%d ret:%d\n", DRMID(phys_enc->parent), - vid_enc->hw_intf->idx - INTF_0, ret); + phys_enc->hw_intf->idx - INTF_0, ret); } }

@@ -678,25 +663,21 @@ static void dpu_encoder_phys_vid_handle_post_kickoff( struct dpu_encoder_phys *phys_enc) { unsigned long lock_flags; - struct dpu_encoder_phys_vid *vid_enc;

if (!phys_enc) { DPU_ERROR("invalid encoder\n"); return; }

- vid_enc = to_dpu_encoder_phys_vid(phys_enc); - DPU_DEBUG_VIDENC(vid_enc, "enable_state %d\n", phys_enc->enable_state); - /* * Video mode must flush CTL before enabling timing engine * Video encoders need to turn on their interfaces now */ if (phys_enc->enable_state == DPU_ENC_ENABLING) { trace_dpu_enc_phys_vid_post_kickoff(DRMID(phys_enc->parent), - vid_enc->hw_intf->idx - INTF_0); + phys_enc->hw_intf->idx - INTF_0); spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags); - vid_enc->hw_intf->ops.enable_timing(vid_enc->hw_intf, 1); + phys_enc->hw_intf->ops.enable_timing(phys_enc->hw_intf, 1); spin_unlock_irqrestore(phys_enc->enc_spinlock, lock_flags); phys_enc->enable_state = DPU_ENC_ENABLED; } @@ -705,16 +686,13 @@ static void dpu_encoder_phys_vid_handle_post_kickoff( static void dpu_encoder_phys_vid_irq_control(struct dpu_encoder_phys *phys_enc, bool enable) { - struct dpu_encoder_phys_vid *vid_enc; int ret;

if (!phys_enc) return;

- vid_enc = to_dpu_encoder_phys_vid(phys_enc); - trace_dpu_enc_phys_vid_irq_ctrl(DRMID(phys_enc->parent), - vid_enc->hw_intf->idx - INTF_0, + phys_enc->hw_intf->idx - INTF_0, enable, atomic_read(&phys_enc->vblank_refcount));

@@ -733,19 +711,16 @@ static void dpu_encoder_phys_vid_irq_control(struct dpu_encoder_phys *phys_enc, static int dpu_encoder_phys_vid_get_line_count( struct dpu_encoder_phys *phys_enc) { - struct dpu_encoder_phys_vid *vid_enc; - if (!phys_enc) return -EINVAL;

if (!dpu_encoder_phys_vid_is_master(phys_enc)) return -EINVAL;

- vid_enc = to_dpu_encoder_phys_vid(phys_enc); - if (!vid_enc->hw_intf || !vid_enc->hw_intf->ops.get_line_count) + if (!phys_enc->hw_intf || !phys_enc->hw_intf->ops.get_line_count) return -EINVAL;

- return vid_enc->hw_intf->ops.get_line_count(vid_enc->hw_intf); + return phys_enc->hw_intf->ops.get_line_count(phys_enc->hw_intf); }

static void dpu_encoder_phys_vid_init_ops(struct dpu_encoder_phys_ops *ops) @@ -792,7 +767,7 @@ struct dpu_encoder_phys *dpu_encoder_phys_vid_init( phys_enc->hw_mdptop = p->dpu_kms->hw_mdp; phys_enc->intf_idx = p->intf_idx;

- DPU_DEBUG_VIDENC(vid_enc, "\n"); + DPU_DEBUG_VIDENC(phys_enc, "\n");

dpu_encoder_phys_vid_init_ops(&phys_enc->ops); phys_enc->parent = p->parent; @@ -826,7 +801,7 @@ struct dpu_encoder_phys *dpu_encoder_phys_vid_init( init_waitqueue_head(&phys_enc->pending_kickoff_wq); phys_enc->enable_state = DPU_ENC_DISABLED;

- DPU_DEBUG_VIDENC(vid_enc, "created intf idx:%d\n", p->intf_idx); + DPU_DEBUG_VIDENC(phys_enc, "created intf idx:%d\n", p->intf_idx);

return phys_enc;