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Message-Id: <20231012-topic-sm8550-graphics-sspp-split-clk-v3-3-4bcad69812d3@linaro.org>
Date: Thu, 12 Oct 2023 11:01:29 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Rob Clark <robdclark@...il.com>,
Abhinav Kumar <quic_abhinavk@...cinc.com>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH v3 3/5] drm/msm/dpu: move setup_force_clk_ctrl handling
into plane and wb
Now SSPP and WB can have setup_force_clk_ctrl() ops, it's simpler to call
them from the plane and wb code and call into the mdp ops if not present.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
.../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 37 +++++++++++++++++--
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 42 +++++++++++++++++++---
drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c | 30 +++-------------
drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h | 4 ---
4 files changed, 77 insertions(+), 36 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
index 78037a697633..8802e007f8e2 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
@@ -34,6 +34,23 @@ static bool dpu_encoder_phys_wb_is_master(struct dpu_encoder_phys *phys_enc)
return true;
}
+static bool _dpu_encoder_phys_wb_clk_force_ctrl(struct dpu_hw_wb *wb,
+ struct dpu_hw_mdp *mdp,
+ bool enable, bool *forced_on)
+{
+ if (wb->ops.setup_clk_force_ctrl) {
+ *forced_on = wb->ops.setup_clk_force_ctrl(wb, enable);
+ return true;
+ }
+
+ if (mdp->ops.setup_clk_force_ctrl) {
+ *forced_on = mdp->ops.setup_clk_force_ctrl(mdp, wb->caps->clk_ctrl, enable);
+ return true;
+ }
+
+ return false;
+}
+
/**
* dpu_encoder_phys_wb_set_ot_limit - set OT limit for writeback interface
* @phys_enc: Pointer to physical encoder
@@ -43,6 +60,7 @@ static void dpu_encoder_phys_wb_set_ot_limit(
{
struct dpu_hw_wb *hw_wb = phys_enc->hw_wb;
struct dpu_vbif_set_ot_params ot_params;
+ bool forced_on = false;
memset(&ot_params, 0, sizeof(ot_params));
ot_params.xin_id = hw_wb->caps->xin_id;
@@ -52,10 +70,17 @@ static void dpu_encoder_phys_wb_set_ot_limit(
ot_params.is_wfd = true;
ot_params.frame_rate = drm_mode_vrefresh(&phys_enc->cached_mode);
ot_params.vbif_idx = hw_wb->caps->vbif_idx;
- ot_params.clk_ctrl = hw_wb->caps->clk_ctrl;
ot_params.rd = false;
+ if (!_dpu_encoder_phys_wb_clk_force_ctrl(hw_wb, phys_enc->dpu_kms->hw_mdp,
+ true, &forced_on))
+ return;
+
dpu_vbif_set_ot_limit(phys_enc->dpu_kms, &ot_params);
+
+ if (forced_on)
+ _dpu_encoder_phys_wb_clk_force_ctrl(hw_wb, phys_enc->dpu_kms->hw_mdp,
+ false, &forced_on);
}
/**
@@ -67,6 +92,7 @@ static void dpu_encoder_phys_wb_set_qos_remap(
{
struct dpu_hw_wb *hw_wb;
struct dpu_vbif_set_qos_params qos_params;
+ bool forced_on = false;
if (!phys_enc || !phys_enc->parent || !phys_enc->parent->crtc) {
DPU_ERROR("invalid arguments\n");
@@ -83,7 +109,6 @@ static void dpu_encoder_phys_wb_set_qos_remap(
memset(&qos_params, 0, sizeof(qos_params));
qos_params.vbif_idx = hw_wb->caps->vbif_idx;
qos_params.xin_id = hw_wb->caps->xin_id;
- qos_params.clk_ctrl = hw_wb->caps->clk_ctrl;
qos_params.num = hw_wb->idx - WB_0;
qos_params.is_rt = false;
@@ -92,7 +117,15 @@ static void dpu_encoder_phys_wb_set_qos_remap(
qos_params.vbif_idx,
qos_params.xin_id, qos_params.is_rt);
+ if (!_dpu_encoder_phys_wb_clk_force_ctrl(hw_wb, phys_enc->dpu_kms->hw_mdp,
+ true, &forced_on))
+ return;
+
dpu_vbif_set_qos_remap(phys_enc->dpu_kms, &qos_params);
+
+ if (forced_on)
+ _dpu_encoder_phys_wb_clk_force_ctrl(hw_wb, phys_enc->dpu_kms->hw_mdp,
+ false, &forced_on);
}
/**
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index c2aaaded07ed..c63cae8fb35c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -333,6 +333,23 @@ static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane,
enable);
}
+static bool _dpu_plane_sspp_clk_force_ctrl(struct dpu_hw_sspp *sspp,
+ struct dpu_hw_mdp *mdp,
+ bool enable, bool *forced_on)
+{
+ if (sspp->ops.setup_clk_force_ctrl) {
+ *forced_on = sspp->ops.setup_clk_force_ctrl(sspp, enable);
+ return true;
+ }
+
+ if (mdp->ops.setup_clk_force_ctrl) {
+ *forced_on = mdp->ops.setup_clk_force_ctrl(mdp, sspp->cap->clk_ctrl, enable);
+ return true;
+ }
+
+ return false;
+}
+
/**
* _dpu_plane_set_ot_limit - set OT limit for the given plane
* @plane: Pointer to drm plane
@@ -348,6 +365,7 @@ static void _dpu_plane_set_ot_limit(struct drm_plane *plane,
struct dpu_plane *pdpu = to_dpu_plane(plane);
struct dpu_vbif_set_ot_params ot_params;
struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
+ bool forced_on = false;
memset(&ot_params, 0, sizeof(ot_params));
ot_params.xin_id = pipe->sspp->cap->xin_id;
@@ -357,10 +375,17 @@ static void _dpu_plane_set_ot_limit(struct drm_plane *plane,
ot_params.is_wfd = !pdpu->is_rt_pipe;
ot_params.frame_rate = frame_rate;
ot_params.vbif_idx = VBIF_RT;
- ot_params.clk_ctrl = pipe->sspp->cap->clk_ctrl;
ot_params.rd = true;
+ if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
+ true, &forced_on))
+ return;
+
dpu_vbif_set_ot_limit(dpu_kms, &ot_params);
+
+ if (forced_on)
+ _dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
+ false, &forced_on);
}
/**
@@ -374,21 +399,28 @@ static void _dpu_plane_set_qos_remap(struct drm_plane *plane,
struct dpu_plane *pdpu = to_dpu_plane(plane);
struct dpu_vbif_set_qos_params qos_params;
struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
+ bool forced_on = false;
memset(&qos_params, 0, sizeof(qos_params));
qos_params.vbif_idx = VBIF_RT;
- qos_params.clk_ctrl = pipe->sspp->cap->clk_ctrl;
qos_params.xin_id = pipe->sspp->cap->xin_id;
qos_params.num = pipe->sspp->idx - SSPP_VIG0;
qos_params.is_rt = pdpu->is_rt_pipe;
- DPU_DEBUG_PLANE(pdpu, "pipe:%d vbif:%d xin:%d rt:%d, clk_ctrl:%d\n",
+ DPU_DEBUG_PLANE(pdpu, "pipe:%d vbif:%d xin:%d rt:%d\n",
qos_params.num,
qos_params.vbif_idx,
- qos_params.xin_id, qos_params.is_rt,
- qos_params.clk_ctrl);
+ qos_params.xin_id, qos_params.is_rt);
+
+ if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
+ true, &forced_on))
+ return;
dpu_vbif_set_qos_remap(dpu_kms, &qos_params);
+
+ if (forced_on)
+ _dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
+ false, &forced_on);
}
static void _dpu_plane_setup_scaler3(struct dpu_hw_sspp *pipe_hw,
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c
index 1305e250b71e..47c02b98eac3 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c
@@ -169,23 +169,16 @@ void dpu_vbif_set_ot_limit(struct dpu_kms *dpu_kms,
struct dpu_vbif_set_ot_params *params)
{
struct dpu_hw_vbif *vbif;
- struct dpu_hw_mdp *mdp;
- bool forced_on = false;
u32 ot_lim;
int ret;
- mdp = dpu_kms->hw_mdp;
-
vbif = dpu_get_vbif(dpu_kms, params->vbif_idx);
- if (!vbif || !mdp) {
- DRM_DEBUG_ATOMIC("invalid arguments vbif %d mdp %d\n",
- vbif != NULL, mdp != NULL);
+ if (!vbif) {
+ DRM_DEBUG_ATOMIC("invalid arguments vbif %d\n", vbif != NULL);
return;
}
- if (!mdp->ops.setup_clk_force_ctrl ||
- !vbif->ops.set_limit_conf ||
- !vbif->ops.set_halt_ctrl)
+ if (!vbif->ops.set_limit_conf || !vbif->ops.set_halt_ctrl)
return;
/* set write_gather_en for all write clients */
@@ -200,8 +193,6 @@ void dpu_vbif_set_ot_limit(struct dpu_kms *dpu_kms,
trace_dpu_perf_set_ot(params->num, params->xin_id, ot_lim,
params->vbif_idx);
- forced_on = mdp->ops.setup_clk_force_ctrl(mdp, params->clk_ctrl, true);
-
vbif->ops.set_limit_conf(vbif, params->xin_id, params->rd, ot_lim);
vbif->ops.set_halt_ctrl(vbif, params->xin_id, true);
@@ -211,25 +202,19 @@ void dpu_vbif_set_ot_limit(struct dpu_kms *dpu_kms,
trace_dpu_vbif_wait_xin_halt_fail(vbif->idx, params->xin_id);
vbif->ops.set_halt_ctrl(vbif, params->xin_id, false);
-
- if (forced_on)
- mdp->ops.setup_clk_force_ctrl(mdp, params->clk_ctrl, false);
}
void dpu_vbif_set_qos_remap(struct dpu_kms *dpu_kms,
struct dpu_vbif_set_qos_params *params)
{
struct dpu_hw_vbif *vbif;
- struct dpu_hw_mdp *mdp;
- bool forced_on = false;
const struct dpu_vbif_qos_tbl *qos_tbl;
int i;
- if (!params || !dpu_kms->hw_mdp) {
+ if (!params) {
DPU_ERROR("invalid arguments\n");
return;
}
- mdp = dpu_kms->hw_mdp;
vbif = dpu_get_vbif(dpu_kms, params->vbif_idx);
@@ -238,7 +223,7 @@ void dpu_vbif_set_qos_remap(struct dpu_kms *dpu_kms,
return;
}
- if (!vbif->ops.set_qos_remap || !mdp->ops.setup_clk_force_ctrl) {
+ if (!vbif->ops.set_qos_remap) {
DRM_DEBUG_ATOMIC("qos remap not supported\n");
return;
}
@@ -251,8 +236,6 @@ void dpu_vbif_set_qos_remap(struct dpu_kms *dpu_kms,
return;
}
- forced_on = mdp->ops.setup_clk_force_ctrl(mdp, params->clk_ctrl, true);
-
for (i = 0; i < qos_tbl->npriority_lvl; i++) {
DRM_DEBUG_ATOMIC("%s xin:%d lvl:%d/%d\n",
dpu_vbif_name(params->vbif_idx), params->xin_id, i,
@@ -260,9 +243,6 @@ void dpu_vbif_set_qos_remap(struct dpu_kms *dpu_kms,
vbif->ops.set_qos_remap(vbif, params->xin_id, i,
qos_tbl->priority_lvl[i]);
}
-
- if (forced_on)
- mdp->ops.setup_clk_force_ctrl(mdp, params->clk_ctrl, false);
}
void dpu_vbif_clear_errors(struct dpu_kms *dpu_kms)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h
index ab490177d886..e1b1f7f4e4be 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h
@@ -16,13 +16,11 @@ struct dpu_vbif_set_ot_params {
bool rd;
bool is_wfd;
u32 vbif_idx;
- u32 clk_ctrl;
};
struct dpu_vbif_set_memtype_params {
u32 xin_id;
u32 vbif_idx;
- u32 clk_ctrl;
bool is_cacheable;
};
@@ -30,14 +28,12 @@ struct dpu_vbif_set_memtype_params {
* struct dpu_vbif_set_qos_params - QoS remapper parameter
* @vbif_idx: vbif identifier
* @xin_id: client interface identifier
- * @clk_ctrl: clock control identifier of the xin
* @num: pipe identifier (debug only)
* @is_rt: true if pipe is used in real-time use case
*/
struct dpu_vbif_set_qos_params {
u32 vbif_idx;
u32 xin_id;
- u32 clk_ctrl;
u32 num;
bool is_rt;
};
--
2.34.1
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