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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241219-sm8650-v6-13-hmd-deckard-mdss-quad-upstream-32-v3-15-92c7c0a228e3@linaro.org> References: <20241219-sm8650-v6-13-hmd-deckard-mdss-quad-upstream-32-v3-0-92c7c0a228e3@linaro.org> In-Reply-To: <20241219-sm8650-v6-13-hmd-deckard-mdss-quad-upstream-32-v3-0-92c7c0a228e3@linaro.org> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Jun Nie X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1734594568; l=6569; i=jun.nie@linaro.org; s=20240403; h=from:subject:message-id; bh=Kgvxz+JddimpExknfUGmCF8U+2CnnDWzoXq631c2AJ8=; b=IVh/pEC+zDsiWrKgIH1DqGmvx8qOE4k3X8IdEM3/dTiXEa5wLm4olw4osrKyvaGNlOBhMWFJ7 KLSTqXVzqnQAaIwcDd+r75zXKTztI0vY3Zw8qAwibtxfiN5SybfAveG X-Developer-Key: i=jun.nie@linaro.org; a=ed25519; pk=MNiBt/faLPvo+iJoP1hodyY2x6ozVXL8QMptmsKg3cc= Request 4 mixers and 4 DSC for the case that both dual-DSI and DSC are enabled. We prefer to use 4 pipes for dual DSI case for it is power optimal for DSC. Signed-off-by: Jun Nie --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 2 +- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h | 6 ++--- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 28 ++++++++++++++++++--= ---- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h | 3 ++- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 1 + drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h | 2 +- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 2 +- 7 files changed, 30 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm= /disp/dpu1/dpu_crtc.c index bad75af4e50ab..3c51c199f3e05 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -200,7 +200,7 @@ static int dpu_crtc_get_lm_crc(struct drm_crtc *crtc, struct dpu_crtc_state *crtc_state) { struct dpu_crtc_mixer *m; - u32 crcs[CRTC_DUAL_MIXERS]; + u32 crcs[CRTC_QUAD_MIXERS]; =20 int rc =3D 0; int i; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h b/drivers/gpu/drm/msm= /disp/dpu1/dpu_crtc.h index d1bb3f84fe440..ce41fb364f3db 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h @@ -210,7 +210,7 @@ struct dpu_crtc_state { =20 bool bw_control; bool bw_split_vote; - struct drm_rect lm_bounds[CRTC_DUAL_MIXERS]; + struct drm_rect lm_bounds[CRTC_QUAD_MIXERS]; =20 uint64_t input_fence_timeout_ns; =20 @@ -218,10 +218,10 @@ struct dpu_crtc_state { =20 /* HW Resources reserved for the crtc */ u32 num_mixers; - struct dpu_crtc_mixer mixers[CRTC_DUAL_MIXERS]; + struct dpu_crtc_mixer mixers[CRTC_QUAD_MIXERS]; =20 u32 num_ctls; - struct dpu_hw_ctl *hw_ctls[CRTC_DUAL_MIXERS]; + struct dpu_hw_ctl *hw_ctls[CRTC_QUAD_MIXERS]; =20 enum dpu_crtc_crc_source crc_source; int crc_frame_skip_count; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/= msm/disp/dpu1/dpu_encoder.c index 96d06db3e4be5..6e54ddeaffacd 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -54,7 +54,7 @@ #define MAX_PHYS_ENCODERS_PER_VIRTUAL \ (MAX_H_TILES_PER_DISPLAY * NUM_PHYS_ENCODER_TYPES) =20 -#define MAX_CHANNELS_PER_ENC 2 +#define MAX_CHANNELS_PER_ENC 4 =20 #define IDLE_SHORT_TIMEOUT 1 =20 @@ -664,15 +664,19 @@ static struct msm_display_topology dpu_encoder_get_to= pology( =20 /* Datapath topology selection * - * Dual display + * Dual display without DSC * 2 LM, 2 INTF ( Split display using 2 interfaces) * + * Dual display with DSC + * 4 LM, 2 INTF ( Split display using 2 interfaces) + * * Single display * 1 LM, 1 INTF * 2 LM, 1 INTF (stream merge to support high resolution interfaces) * * Add dspps to the reservation requirements if ctm is requested */ + if (intf_count =3D=3D 2) topology.num_lm =3D 2; else if (!dpu_kms->catalog->caps->has_3d_merge) @@ -691,10 +695,20 @@ static struct msm_display_topology dpu_encoder_get_to= pology( * 2 DSC encoders, 2 layer mixers and 1 interface * this is power optimal and can drive up to (including) 4k * screens + * But for dual display case, we prefer 4 layer mixers. Because + * the resolution is always high in the case and 4 DSCs are more + * power optimal. */ - topology.num_dsc =3D 2; - topology.num_lm =3D 2; - topology.num_intf =3D 1; + + if (intf_count =3D=3D 2) { + topology.num_dsc =3D 4; + topology.num_lm =3D 4; + topology.num_intf =3D 2; + } else { + topology.num_dsc =3D 2; + topology.num_lm =3D 2; + topology.num_intf =3D 1; + } } =20 return topology; @@ -2195,8 +2209,8 @@ static void dpu_encoder_helper_reset_mixers(struct dp= u_encoder_phys *phys_enc) struct dpu_hw_mixer_cfg mixer; int i, num_lm; struct dpu_global_state *global_state; - struct dpu_hw_blk *hw_lm[2]; - struct dpu_hw_mixer *hw_mixer[2]; + struct dpu_hw_blk *hw_lm[MAX_CHANNELS_PER_ENC]; + struct dpu_hw_mixer *hw_mixer[MAX_CHANNELS_PER_ENC]; struct dpu_hw_ctl *ctl =3D phys_enc->hw_ctl; =20 memset(&mixer, 0, sizeof(mixer)); 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 63f09857025c2..d378a990cc0fb 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h @@ -302,7 +302,8 @@ static inline enum dpu_3d_blend_mode dpu_encoder_helper= _get_3d_blend_mode( =20 /* Use merge_3d unless DSC MERGE topology is used */ if (phys_enc->split_role =3D=3D ENC_ROLE_SOLO && - dpu_cstate->num_mixers =3D=3D CRTC_DUAL_MIXERS && + (dpu_cstate->num_mixers =3D=3D CRTC_DUAL_MIXERS || + dpu_cstate->num_mixers =3D=3D CRTC_QUAD_MIXERS) && !dpu_encoder_use_dsc_merge(phys_enc->parent)) return BLEND_3D_H_ROW_INT; =20 diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/d= rm/msm/disp/dpu1/dpu_hw_catalog.h index 3ab79092a7f25..d9cc84b081b1f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h @@ -25,6 +25,7 @@ #define DPU_MAX_IMG_HEIGHT 0x3fff =20 #define CRTC_DUAL_MIXERS 2 +#define CRTC_QUAD_MIXERS 4 =20 #define MAX_XIN_COUNT 16 =20 diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h b/drivers/gpu/drm/= msm/disp/dpu1/dpu_hw_mdss.h index 27ef0771da5d2..1fe21087a141a 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h @@ -33,8 +33,8 @@ #endif =20 #define STAGES_PER_PLANE 2 -#define PIPES_PER_PLANE 2 #define PIPES_PER_STAGE 2 +#define PIPES_PER_PLANE (STAGES_PER_PLANE * STAGES_PER_PLANE) #ifndef DPU_MAX_DE_CURVES #define DPU_MAX_DE_CURVES 3 #endif diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/ms= m/disp/dpu1/dpu_plane.c index 57ccb73c45683..b5c1ad2a75594 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -1474,7 +1474,7 @@ static void _dpu_plane_atomic_disable(struct drm_plan= e *plane) trace_dpu_plane_disable(DRMID(plane), false, pstate->pipe[i].multirect_mode); =20 - if (pipe->sspp && i =3D=3D 1) { + if (pipe->sspp && pipe->multirect_index =3D=3D DPU_SSPP_RECT_1) { pipe->multirect_index =3D DPU_SSPP_RECT_SOLO; pipe->multirect_mode =3D DPU_SSPP_MULTIRECT_NONE; =20 --=20 2.34.1