[PATCH 01/25] drm/msm/dpu: rip out master planes support

Abhinav Kumar quic_abhinavk at quicinc.com
Wed Apr 27 01:28:27 UTC 2022



On 2/9/2022 9:24 AM, Dmitry Baryshkov wrote:
> Master/virtual planes were used for multirect support. In preparation to
> reworking DPU planes, drop support for master planes (which was not used
> anyway).
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>

Agreed, master planes were unused today anyway.
hence,
Reviewed-by: Abhinav Kumar <quic_abhinavk at quicinc.com>
> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c    | 11 +---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c |  3 +-
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h |  4 +-
>   drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c     |  2 +-
>   drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c   | 72 ++++-----------------
>   drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h   | 13 +---
>   6 files changed, 18 insertions(+), 87 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> index e7c9fe1a250f..7318bd45637a 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> @@ -1138,17 +1138,8 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc,
>   	}
>   
>   	for (i = 1; i < SSPP_MAX; i++) {
> -		if (pipe_staged[i]) {
> +		if (pipe_staged[i])
>   			dpu_plane_clear_multirect(pipe_staged[i]);
> -
> -			if (is_dpu_plane_virtual(pipe_staged[i]->plane)) {
> -				DPU_ERROR(
> -					"r1 only virt plane:%d not supported\n",
> -					pipe_staged[i]->plane->base.id);
> -				rc  = -EINVAL;
> -				goto end;
> -			}
> -		}
>   	}
>   
>   	z_pos = -1;
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
> index 09cdc3576653..8714ee767346 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
> @@ -783,8 +783,7 @@ static const struct dpu_sspp_cfg *_sspp_offset(enum dpu_sspp sspp,
>   }
>   
>   struct dpu_hw_pipe *dpu_hw_sspp_init(enum dpu_sspp idx,
> -		void __iomem *addr, struct dpu_mdss_cfg *catalog,
> -		bool is_virtual_pipe)
> +		void __iomem *addr, struct dpu_mdss_cfg *catalog)
>   {
>   	struct dpu_hw_pipe *hw_pipe;
>   	const struct dpu_sspp_cfg *cfg;
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
> index 92b071b78fdb..1b18de957500 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
> @@ -394,11 +394,9 @@ struct dpu_kms;
>    * @idx:  Pipe index for which driver object is required
>    * @addr: Mapped register io address of MDP
>    * @catalog : Pointer to mdss catalog data
> - * @is_virtual_pipe: is this pipe virtual pipe
>    */
>   struct dpu_hw_pipe *dpu_hw_sspp_init(enum dpu_sspp idx,
> -		void __iomem *addr, struct dpu_mdss_cfg *catalog,
> -		bool is_virtual_pipe);
> +		void __iomem *addr, struct dpu_mdss_cfg *catalog);
>   
>   /**
>    * dpu_hw_sspp_destroy(): Destroys SSPP driver context
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> index 47fe11a84a77..4d2b75f3bc89 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -738,7 +738,7 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
>   			  catalog->sspp[i].features & BIT(DPU_SSPP_CURSOR));
>   
>   		plane = dpu_plane_init(dev, catalog->sspp[i].id, type,
> -				       (1UL << max_crtc_count) - 1, 0);
> +				       (1UL << max_crtc_count) - 1);
>   		if (IS_ERR(plane)) {
>   			DPU_ERROR("dpu_plane_init failed\n");
>   			ret = PTR_ERR(plane);
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> index ca75089c9d61..3fcc964dec0a 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> @@ -89,7 +89,7 @@ enum dpu_plane_qos {
>   /*
>    * struct dpu_plane - local dpu plane structure
>    * @aspace: address space pointer
> - * @mplane_list: List of multirect planes of the same pipe
> + * @csc_ptr: Points to dpu_csc_cfg structure to use for current
>    * @catalog: Points to dpu catalog structure
>    * @revalidate: force revalidation of all the plane properties
>    */
> @@ -104,8 +104,6 @@ struct dpu_plane {
>   	uint32_t color_fill;
>   	bool is_error;
>   	bool is_rt_pipe;
> -	bool is_virtual;
> -	struct list_head mplane_list;
>   	struct dpu_mdss_cfg *catalog;
>   };
>   
> @@ -223,7 +221,7 @@ static void _dpu_plane_calc_clk(struct drm_plane *plane, struct dpu_hw_pipe_cfg
>   static int _dpu_plane_calc_fill_level(struct drm_plane *plane,
>   		const struct dpu_format *fmt, u32 src_width)
>   {
> -	struct dpu_plane *pdpu, *tmp;
> +	struct dpu_plane *pdpu;
>   	struct dpu_plane_state *pstate;
>   	u32 fixed_buff_size;
>   	u32 total_fl;
> @@ -237,19 +235,7 @@ static int _dpu_plane_calc_fill_level(struct drm_plane *plane,
>   	pstate = to_dpu_plane_state(plane->state);
>   	fixed_buff_size = pdpu->catalog->caps->pixel_ram_size;
>   
> -	list_for_each_entry(tmp, &pdpu->mplane_list, mplane_list) {
> -		u32 tmp_width;
> -
> -		if (!tmp->base.state->visible)
> -			continue;
> -		tmp_width = drm_rect_width(&tmp->base.state->src) >> 16;
> -		DPU_DEBUG("plane%d/%d src_width:%d/%d\n",
> -				pdpu->base.base.id, tmp->base.base.id,
> -				src_width,
> -				tmp_width);
> -		src_width = max_t(u32, src_width,
> -				  tmp_width);
> -	}
> +	/* FIXME: in multirect case account for the src_width of all the planes */
>   
>   	if (fmt->fetch_planes == DPU_PLANE_PSEUDO_PLANAR) {
>   		if (fmt->chroma_sample == DPU_CHROMA_420) {
> @@ -848,13 +834,8 @@ int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane)
>   	}
>   
>   done:
> -	if (dpu_plane[R0]->is_virtual) {
> -		pstate[R0]->multirect_index = DPU_SSPP_RECT_1;
> -		pstate[R1]->multirect_index = DPU_SSPP_RECT_0;
> -	} else {
> -		pstate[R0]->multirect_index = DPU_SSPP_RECT_0;
> -		pstate[R1]->multirect_index = DPU_SSPP_RECT_1;
> -	}
> +	pstate[R0]->multirect_index = DPU_SSPP_RECT_0;
> +	pstate[R1]->multirect_index = DPU_SSPP_RECT_1;
>   
>   	DPU_DEBUG_PLANE(dpu_plane[R0], "R0: %d - %d\n",
>   		pstate[R0]->multirect_mode, pstate[R0]->multirect_index);
> @@ -1213,19 +1194,13 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
>   
>   static void _dpu_plane_atomic_disable(struct drm_plane *plane)
>   {
> -	struct dpu_plane *pdpu = to_dpu_plane(plane);
>   	struct drm_plane_state *state = plane->state;
>   	struct dpu_plane_state *pstate = to_dpu_plane_state(state);
>   
> -	trace_dpu_plane_disable(DRMID(plane), is_dpu_plane_virtual(plane),
> +	trace_dpu_plane_disable(DRMID(plane), false,
>   				pstate->multirect_mode);
>   
>   	pstate->pending = true;
> -
> -	if (is_dpu_plane_virtual(plane) &&
> -			pdpu->pipe_hw && pdpu->pipe_hw->ops.setup_multirect)
> -		pdpu->pipe_hw->ops.setup_multirect(pdpu->pipe_hw,
> -				DPU_SSPP_RECT_SOLO, DPU_SSPP_MULTIRECT_NONE);
>   }
>   
>   static void dpu_plane_atomic_update(struct drm_plane *plane,
> @@ -1444,17 +1419,12 @@ enum dpu_sspp dpu_plane_pipe(struct drm_plane *plane)
>   	return plane ? to_dpu_plane(plane)->pipe : SSPP_NONE;
>   }
>   
> -bool is_dpu_plane_virtual(struct drm_plane *plane)
> -{
> -	return plane ? to_dpu_plane(plane)->is_virtual : false;
> -}
> -
>   /* initialize plane */
>   struct drm_plane *dpu_plane_init(struct drm_device *dev,
>   		uint32_t pipe, enum drm_plane_type type,
> -		unsigned long possible_crtcs, u32 master_plane_id)
> +		unsigned long possible_crtcs)
>   {
> -	struct drm_plane *plane = NULL, *master_plane = NULL;
> +	struct drm_plane *plane = NULL;
>   	const uint32_t *format_list;
>   	struct dpu_plane *pdpu;
>   	struct msm_drm_private *priv = dev->dev_private;
> @@ -1474,18 +1444,9 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
>   	/* cache local stuff for later */
>   	plane = &pdpu->base;
>   	pdpu->pipe = pipe;
> -	pdpu->is_virtual = (master_plane_id != 0);
> -	INIT_LIST_HEAD(&pdpu->mplane_list);
> -	master_plane = drm_plane_find(dev, NULL, master_plane_id);
> -	if (master_plane) {
> -		struct dpu_plane *mpdpu = to_dpu_plane(master_plane);
> -
> -		list_add_tail(&pdpu->mplane_list, &mpdpu->mplane_list);
> -	}
>   
>   	/* initialize underlying h/w driver */
> -	pdpu->pipe_hw = dpu_hw_sspp_init(pipe, kms->mmio, kms->catalog,
> -							master_plane_id != 0);
> +	pdpu->pipe_hw = dpu_hw_sspp_init(pipe, kms->mmio, kms->catalog);
>   	if (IS_ERR(pdpu->pipe_hw)) {
>   		DPU_ERROR("[%u]SSPP init failed\n", pipe);
>   		ret = PTR_ERR(pdpu->pipe_hw);
> @@ -1495,14 +1456,8 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
>   		goto clean_sspp;
>   	}
>   
> -	if (pdpu->is_virtual) {
> -		format_list = pdpu->pipe_hw->cap->sblk->virt_format_list;
> -		num_formats = pdpu->pipe_hw->cap->sblk->virt_num_formats;
> -	}
> -	else {
> -		format_list = pdpu->pipe_hw->cap->sblk->format_list;
> -		num_formats = pdpu->pipe_hw->cap->sblk->num_formats;
> -	}
> +	format_list = pdpu->pipe_hw->cap->sblk->format_list;
> +	num_formats = pdpu->pipe_hw->cap->sblk->num_formats;
>   
>   	ret = drm_universal_plane_init(dev, plane, 0xff, &dpu_plane_funcs,
>   				format_list, num_formats,
> @@ -1543,15 +1498,14 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
>   
>   	mutex_init(&pdpu->lock);
>   
> -	DPU_DEBUG("%s created for pipe:%u id:%u virtual:%u\n", plane->name,
> -					pipe, plane->base.id, master_plane_id);
> +	DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name,
> +					pipe, plane->base.id);
>   	return plane;
>   
>   clean_sspp:
>   	if (pdpu && pdpu->pipe_hw)
>   		dpu_hw_sspp_destroy(pdpu->pipe_hw);
>   clean_plane:
> -	list_del(&pdpu->mplane_list);
>   	kfree(pdpu);
>   	return ERR_PTR(ret);
>   }
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
> index 9d51dad5c6a5..d2f60810434e 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
> @@ -59,14 +59,6 @@ struct dpu_multirect_plane_states {
>    */
>   enum dpu_sspp dpu_plane_pipe(struct drm_plane *plane);
>   
> -/**
> - * is_dpu_plane_virtual - check for virtual plane
> - * @plane: Pointer to DRM plane object
> - * returns: true - if the plane is virtual
> - *          false - if the plane is primary
> - */
> -bool is_dpu_plane_virtual(struct drm_plane *plane);
> -
>   /**
>    * dpu_plane_get_ctl_flush - get control flush mask
>    * @plane:   Pointer to DRM plane object
> @@ -94,14 +86,11 @@ void dpu_plane_set_error(struct drm_plane *plane, bool error);
>    * @pipe:  dpu hardware pipe identifier
>    * @type:  Plane type - PRIMARY/OVERLAY/CURSOR
>    * @possible_crtcs: bitmask of crtc that can be attached to the given pipe
> - * @master_plane_id: primary plane id of a multirect pipe. 0 value passed for
> - *                   a regular plane initialization. A non-zero primary plane
> - *                   id will be passed for a virtual pipe initialization.
>    *
>    */
>   struct drm_plane *dpu_plane_init(struct drm_device *dev,
>   		uint32_t pipe, enum drm_plane_type type,
> -		unsigned long possible_crtcs, u32 master_plane_id);
> +		unsigned long possible_crtcs);
>   
>   /**
>    * dpu_plane_validate_multirecti_v2 - validate the multirect planes


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