disp: msm: sde: toggle LLCC SCID for consecutive LLCC write

Toggle LLCC SCID for each consecutive LLCC write
operations and force read allocate when NSE bit
set.

Change-Id: Ice473cb126b627056b7346f142bc84c120e05f0b
Signed-off-by: Amine Najahi <quic_anajahi@quicinc.com>
This commit is contained in:
Amine Najahi
2022-05-03 10:56:27 -04:00
parent 63a9b89055
commit d03f18c6b9
9 changed files with 54 additions and 22 deletions

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@@ -7419,9 +7419,18 @@ void sde_crtc_static_img_control(struct drm_crtc *crtc,
return;
}
if (test_bit(SDE_SYS_CACHE_DISP_1, sde_kms->catalog->sde_sys_cache_type_map)) {
if (state == CACHE_STATE_FRAME_WRITE)
sde_crtc->cache_type = (sde_crtc->cache_type == SDE_SYS_CACHE_DISP) ?
SDE_SYS_CACHE_DISP_1 : SDE_SYS_CACHE_DISP;
} else {
sde_crtc->cache_type = SDE_SYS_CACHE_DISP;
}
SDE_EVT32(DRMID(crtc), state, sde_crtc->cache_state, sde_crtc->cache_type);
sde_crtc->cache_state = state;
drm_atomic_crtc_for_each_plane(plane, crtc)
sde_plane_static_img_control(plane, state);
sde_plane_static_img_control(plane, sde_crtc->cache_state, sde_crtc->cache_type);
}
/*

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@@ -308,6 +308,7 @@ struct sde_frame_data {
* @target_bpp : target bpp used to calculate compression ratio
* @static_cache_read_work: delayed worker to transition cache state to read
* @cache_state : Current static image cache state
* @cache_type : Current static image cache type to use
* @dspp_blob_info : blob containing dspp hw capability information
* @cached_encoder_mask : cached encoder_mask for vblank work
* @valid_skip_blend_plane: flag to indicate if skip blend plane is valid
@@ -410,6 +411,7 @@ struct sde_crtc {
struct kthread_delayed_work static_cache_read_work;
enum sde_sys_cache_state cache_state;
enum sde_sys_cache_type cache_type;
struct drm_property_blob *dspp_blob_info;
u32 cached_encoder_mask;

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@@ -446,7 +446,7 @@ struct sde_encoder_phys_cmd {
* @bo_disable: Buffer object(s) to use during the disabling state
* @fb_disable: Frame buffer to use during the disabling state
* @sc_cfg: Stores wb system cache config
* @crtc Pointer to drm_crtc
* @crtc: Pointer to drm_crtc
* @prog_line: Cached programmable line value used to trigger early wb-fence
*/
struct sde_encoder_phys_wb {

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@@ -1097,16 +1097,19 @@ static void _sde_encoder_phys_wb_setup_sys_cache(struct sde_encoder_phys *phys_e
}
/*
* - use LLCC_DISP for cwb static display
* - use LLCC_DISP_1 for cwb static display read path only
* - use LLCC_DISP/LLCC_DISP_1 for cwb static display
* - use LLCC_DISP_WB for 2-pass composition using offline-wb
*/
if (phys_enc->in_clone_mode) {
cache_rd_type = SDE_SYS_CACHE_DISP;
if (test_bit(SDE_SYS_CACHE_DISP_1, hw_wb->catalog->sde_sys_cache_type_map))
/* toggle system cache SCID between consecutive CWB writes */
if (test_bit(SDE_SYS_CACHE_DISP_1, hw_wb->catalog->sde_sys_cache_type_map)
&& cfg->type == SDE_SYS_CACHE_DISP) {
cache_wr_type = SDE_SYS_CACHE_DISP_1;
else
cache_rd_type = SDE_SYS_CACHE_DISP_1;
} else {
cache_wr_type = SDE_SYS_CACHE_DISP;
cache_rd_type = SDE_SYS_CACHE_DISP;
}
} else {
cache_rd_type = SDE_SYS_CACHE_DISP_WB;
cache_wr_type = SDE_SYS_CACHE_DISP_WB;
@@ -2212,6 +2215,7 @@ static void sde_encoder_phys_wb_disable(struct sde_encoder_phys *phys_enc)
struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc);
struct sde_hw_wb *hw_wb = wb_enc->hw_wb;
struct sde_crtc *sde_crtc = to_sde_crtc(wb_enc->crtc);
struct sde_hw_wb_sc_cfg cfg = { 0 };
int i;
if (phys_enc->enable_state == SDE_ENC_DISABLED) {
@@ -2233,9 +2237,8 @@ static void sde_encoder_phys_wb_disable(struct sde_encoder_phys *phys_enc)
/* reset system cache properties */
if (wb_enc->sc_cfg.wr_en) {
memset(&wb_enc->sc_cfg, 0, sizeof(struct sde_hw_wb_sc_cfg));
if (hw_wb->ops.setup_sys_cache)
hw_wb->ops.setup_sys_cache(hw_wb, &wb_enc->sc_cfg);
hw_wb->ops.setup_sys_cache(hw_wb, &cfg);
/*
* avoid llcc_active reset for crtc while in clone mode as it will reset it for

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@@ -5152,6 +5152,7 @@ static int _sde_hardware_pre_caps(struct sde_mdss_cfg *sde_cfg, uint32_t hw_rev)
set_bit(SDE_SYS_CACHE_DISP, sde_cfg->sde_sys_cache_type_map);
set_bit(SDE_SYS_CACHE_DISP_1, sde_cfg->sde_sys_cache_type_map);
set_bit(SDE_SYS_CACHE_DISP_WB, sde_cfg->sde_sys_cache_type_map);
set_bit(SDE_FEATURE_SYS_CACHE_NSE, sde_cfg->features);
sde_cfg->allowed_dsc_reservation_switch = SDE_DP_DSC_RESERVATION_SWITCH;
sde_cfg->autorefresh_disable_seq = AUTOREFRESH_DISABLE_SEQ2;
sde_cfg->perf.min_prefill_lines = 40;

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@@ -720,6 +720,7 @@ enum {
* @SDE_FEATURE_UBWC_STATS UBWC statistics supported
* @SDE_FEATURE_VBIF_CLK_SPLIT VBIF clock split supported
* @SDE_FEATURE_CTL_DONE Support for CTL DONE irq
* @SDE_FEATURE_SYS_CACHE_NSE Support for no-self-evict feature
* @SDE_FEATURE_MAX: MAX features value
*/
enum sde_mdss_features {
@@ -759,6 +760,7 @@ enum sde_mdss_features {
SDE_FEATURE_UBWC_STATS,
SDE_FEATURE_VBIF_CLK_SPLIT,
SDE_FEATURE_CTL_DONE,
SDE_FEATURE_SYS_CACHE_NSE,
SDE_FEATURE_MAX
};

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@@ -1557,6 +1557,7 @@ static void sde_kms_complete_commit(struct msm_kms *kms,
static void sde_kms_wait_for_commit_done(struct msm_kms *kms,
struct drm_crtc *crtc)
{
struct sde_kms *sde_kms;
struct drm_encoder *encoder;
struct drm_device *dev;
int ret;
@@ -1568,6 +1569,7 @@ static void sde_kms_wait_for_commit_done(struct msm_kms *kms,
}
dev = crtc->dev;
sde_kms = to_sde_kms(kms);
if (!crtc->state->enable) {
SDE_DEBUG("[crtc:%d] not enable\n", crtc->base.id);
@@ -1614,6 +1616,8 @@ static void sde_kms_wait_for_commit_done(struct msm_kms *kms,
sde_encoder_virt_reset(encoder);
}
/* avoid system cache update to set rd-noalloc bit when NSE feature is enabled */
if (!test_bit(SDE_FEATURE_SYS_CACHE_NSE, sde_kms->catalog->features))
sde_crtc_static_cache_read_kickoff(crtc);
SDE_ATRACE_END("sde_ksm_wait_for_commit_done");

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@@ -2853,22 +2853,23 @@ static void _sde_plane_sspp_setup_sys_cache(struct sde_plane *psde,
struct sde_hw_pipe_sc_cfg *cfg = &pstate->sc_cfg;
bool prev_rd_en = cfg->rd_en;
u32 cache_flag, cache_rd_type, cache_wr_type;
enum sde_sys_cache_state cache_state;
if (!state->fb) {
SDE_ERROR("invalid fb on plane %d\n", DRMID(&psde->base));
return;
}
cache_state = pstate->static_cache_state;
msm_framebuffer_get_cache_hint(state->fb, &cache_flag, &cache_rd_type, &cache_wr_type);
cfg->rd_en = false;
cfg->rd_scid = 0x0;
cfg->flags = SYS_CACHE_EN_FLAG | SYS_CACHE_SCID;
cfg->type = SDE_SYS_CACHE_NONE;
/*
* if condition handles static display legacy path, where internal state machine is
* transitioning the "static_cache_state" variable to program the LLCC cache through
* transitioning the "cache_state" variable to program the LLCC cache through
* SSPP hardware using SDE_SYS_CACHE_DISP SCID.
* else condition handles static display and IWE path, were the frame is programmed to
* LLCC cache through WB/CWB path and read back by SSPP hardware. The FB cache hints are
@@ -2876,17 +2877,23 @@ static void _sde_plane_sspp_setup_sys_cache(struct sde_plane *psde,
* keep active.
*/
if (test_bit(SDE_SYS_CACHE_DISP, psde->catalog->sde_sys_cache_type_map)
&& ((pstate->static_cache_state == CACHE_STATE_FRAME_WRITE)
|| (pstate->static_cache_state == CACHE_STATE_FRAME_READ))) {
&& ((cache_state == CACHE_STATE_FRAME_WRITE)
|| (cache_state == CACHE_STATE_FRAME_READ))) {
cfg->type = pstate->static_cache_type;
cfg->rd_en = true;
cfg->rd_scid = sc_cfg[SDE_SYS_CACHE_DISP].llcc_scid;
cfg->rd_noallocate = (pstate->static_cache_state == CACHE_STATE_FRAME_READ);
cfg->rd_scid = sc_cfg[cfg->type].llcc_scid;
if (test_bit(SDE_FEATURE_SYS_CACHE_NSE, psde->catalog->features)) {
cfg->rd_noallocate = false;
pstate->static_cache_state = CACHE_STATE_NORMAL;
} else {
cfg->rd_noallocate = (cache_state == CACHE_STATE_FRAME_READ);
}
cfg->flags |= SYS_CACHE_NO_ALLOC;
cfg->type = SDE_SYS_CACHE_DISP;
} else if (test_bit(cache_rd_type, psde->catalog->sde_sys_cache_type_map) && cache_flag) {
cfg->rd_en = true;
cfg->type = cache_rd_type;
cfg->rd_scid = sc_cfg[cache_rd_type].llcc_scid;
cfg->rd_noallocate = true;
cfg->rd_noallocate = false;
cfg->flags |= SYS_CACHE_NO_ALLOC;
cache_flag = MSM_FB_CACHE_READ_EN;
@@ -2896,13 +2903,14 @@ static void _sde_plane_sspp_setup_sys_cache(struct sde_plane *psde,
if (!cfg->rd_en && !prev_rd_en)
return;
SDE_EVT32(DRMID(&psde->base), cfg->rd_scid, cfg->rd_en, cfg->rd_noallocate, cfg->flags,
cache_flag, cache_rd_type, cache_wr_type, state->fb->base.id);
SDE_EVT32(DRMID(&psde->base), cfg->type, cfg->rd_scid, cfg->rd_en, cfg->rd_noallocate,
cfg->flags, cache_state, cache_flag, cache_rd_type, cache_wr_type,
state->fb->base.id);
psde->pipe_hw->ops.setup_sys_cache(psde->pipe_hw, cfg);
}
void sde_plane_static_img_control(struct drm_plane *plane,
enum sde_sys_cache_state state)
enum sde_sys_cache_state state, enum sde_sys_cache_type type)
{
struct sde_plane *psde;
struct sde_plane_state *pstate;
@@ -2916,6 +2924,7 @@ void sde_plane_static_img_control(struct drm_plane *plane,
pstate = to_sde_plane_state(plane->state);
pstate->static_cache_state = state;
pstate->static_cache_type = type;
if (state == CACHE_STATE_FRAME_WRITE || state == CACHE_STATE_FRAME_READ)
_sde_plane_sspp_setup_sys_cache(psde, pstate);

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@@ -144,6 +144,7 @@ struct sde_plane_state {
struct sde_hw_pipe_sc_cfg sc_cfg;
uint32_t rotation;
uint32_t static_cache_state;
uint32_t static_cache_type;
struct sde_hw_pipe_cdp_cfg cdp_cfg;
@@ -359,9 +360,10 @@ bool sde_plane_is_cache_required(struct drm_plane *plane,
* sde_plane_static_img_control - Switch the static image state
* @plane: Pointer to drm plane structure
* @state: state to set
* @type: cache type to set
*/
void sde_plane_static_img_control(struct drm_plane *plane,
enum sde_sys_cache_state state);
enum sde_sys_cache_state state, enum sde_sys_cache_type type);
void sde_plane_add_data_to_minidump_va(struct drm_plane *plane);
#endif /* _SDE_PLANE_H_ */