[PATCH 6/6] drm/msm: remove address-space id

Jordan Crouse jcrouse at codeaurora.org
Tue Jun 13 19:52:10 UTC 2017


On Tue, Jun 13, 2017 at 02:49:48PM -0400, Rob Clark wrote:
> Now that the msm_gem supports an arbitrary number of vma's, we no longer
> need to assign an id (index) to each address space.  So rip out the
> associated code.
> 
> Signed-off-by: Rob Clark <robdclark at gmail.com>

Acked-by: Jordan Crouse <jcrouse at codeaurora.org>
> ---
>  drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c |  7 -------
>  drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c |  7 -------
>  drivers/gpu/drm/msm/msm_drv.c           | 16 ----------------
>  drivers/gpu/drm/msm/msm_drv.h           | 11 -----------
>  drivers/gpu/drm/msm/msm_gem.h           |  1 -
>  drivers/gpu/drm/msm/msm_gpu.c           |  2 --
>  drivers/gpu/drm/msm/msm_gpu.h           |  1 -
>  drivers/gpu/drm/msm/msm_kms.h           |  1 -
>  8 files changed, 46 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c
> index d1f572f..c29eb1f 100644
> --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c
> +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c
> @@ -548,13 +548,6 @@ struct msm_kms *mdp4_kms_init(struct drm_device *dev)
>  		aspace = NULL;
>  	}
>  
> -	kms->id = msm_register_address_space(dev, aspace);
> -	if (kms->id < 0) {
> -		ret = kms->id;
> -		dev_err(dev->dev, "failed to register mdp4 iommu: %d\n", ret);
> -		goto fail;
> -	}
> -
>  	ret = modeset_init(mdp4_kms);
>  	if (ret) {
>  		dev_err(dev->dev, "modeset_init failed: %d\n", ret);
> diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
> index 6d9d332..438badd 100644
> --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
> +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
> @@ -746,13 +746,6 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
>  		aspace = NULL;;
>  	}
>  
> -	kms->id = msm_register_address_space(dev, aspace);
> -	if (kms->id < 0) {
> -		ret = kms->id;
> -		dev_err(&pdev->dev, "failed to register mdp5 iommu: %d\n", ret);
> -		goto fail;
> -	}
> -
>  	ret = modeset_init(mdp5_kms);
>  	if (ret) {
>  		dev_err(&pdev->dev, "modeset_init failed: %d\n", ret);
> diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
> index e938379..ea43816 100644
> --- a/drivers/gpu/drm/msm/msm_drv.c
> +++ b/drivers/gpu/drm/msm/msm_drv.c
> @@ -51,22 +51,6 @@ static const struct drm_mode_config_funcs mode_config_funcs = {
>  	.atomic_state_free = msm_atomic_state_free,
>  };
>  
> -#include "msm_gem.h"  /* temporary */
> -int msm_register_address_space(struct drm_device *dev,
> -		struct msm_gem_address_space *aspace)
> -{
> -	struct msm_drm_private *priv = dev->dev_private;
> -
> -	if (WARN_ON(priv->num_aspaces >= ARRAY_SIZE(priv->aspace)))
> -		return -EINVAL;
> -
> -	priv->aspace[priv->num_aspaces] = aspace;
> -
> -	aspace->id = priv->num_aspaces++;
> -
> -	return aspace->id;
> -}
> -
>  #ifdef CONFIG_DRM_MSM_REGISTER_LOGGING
>  static bool reglog = false;
>  MODULE_PARM_DESC(reglog, "Enable register read/write logging");
> diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
> index f3f5d6a..b48aa88 100644
> --- a/drivers/gpu/drm/msm/msm_drv.h
> +++ b/drivers/gpu/drm/msm/msm_drv.h
> @@ -123,14 +123,6 @@ struct msm_drm_private {
>  	uint32_t pending_crtcs;
>  	wait_queue_head_t pending_crtcs_event;
>  
> -	/* Registered address spaces.. currently this is fixed per # of
> -	 * iommu's.  Ie. one for display block and one for gpu block.
> -	 * Eventually, to do per-process gpu pagetables, we'll want one
> -	 * of these per-process.
> -	 */
> -	unsigned int num_aspaces;
> -	struct msm_gem_address_space *aspace[NUM_DOMAINS];
> -
>  	unsigned int num_planes;
>  	struct drm_plane *planes[16];
>  
> @@ -183,9 +175,6 @@ struct drm_atomic_state *msm_atomic_state_alloc(struct drm_device *dev);
>  void msm_atomic_state_clear(struct drm_atomic_state *state);
>  void msm_atomic_state_free(struct drm_atomic_state *state);
>  
> -int msm_register_address_space(struct drm_device *dev,
> -		struct msm_gem_address_space *aspace);
> -
>  void msm_gem_unmap_vma(struct msm_gem_address_space *aspace,
>  		struct msm_gem_vma *vma, struct sg_table *sgt);
>  int msm_gem_map_vma(struct msm_gem_address_space *aspace,
> diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h
> index ff468da..112eb63 100644
> --- a/drivers/gpu/drm/msm/msm_gem.h
> +++ b/drivers/gpu/drm/msm/msm_gem.h
> @@ -33,7 +33,6 @@ struct msm_gem_address_space {
>  	struct drm_mm mm;
>  	struct msm_mmu *mmu;
>  	struct kref kref;
> -	int id;    /* temporary */
>  };
>  
>  struct msm_gem_vma {
> diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
> index de1d22c..bc6cd9e 100644
> --- a/drivers/gpu/drm/msm/msm_gpu.c
> +++ b/drivers/gpu/drm/msm/msm_gpu.c
> @@ -660,8 +660,6 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
>  	} else {
>  		dev_info(drm->dev, "%s: no IOMMU, fallback to VRAM carveout!\n", name);
>  	}
> -	gpu->id = msm_register_address_space(drm, gpu->aspace);
> -
>  
>  	/* Create ringbuffer: */
>  	mutex_lock(&drm->struct_mutex);
> diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h
> index aa32410..4a959d8 100644
> --- a/drivers/gpu/drm/msm/msm_gpu.h
> +++ b/drivers/gpu/drm/msm/msm_gpu.h
> @@ -99,7 +99,6 @@ struct msm_gpu {
>  	int irq;
>  
>  	struct msm_gem_address_space *aspace;
> -	int id;
>  
>  	/* Power Control: */
>  	struct regulator *gpu_reg, *gpu_cx;
> diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
> index 213b317..08760f2 100644
> --- a/drivers/gpu/drm/msm/msm_kms.h
> +++ b/drivers/gpu/drm/msm/msm_kms.h
> @@ -75,7 +75,6 @@ struct msm_kms {
>  	int irq;
>  
>  	/* mapper-id used to request GEM buffer mapped for scanout: */
> -	int id;
>  	struct msm_gem_address_space *aspace;
>  };
>  
> -- 
> 2.9.4
> 

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