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Date: Tue, 1 Sep 2020 00:06:18 -0500
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: Rob Clark <robdclark@...il.com>
Cc: dri-devel@...ts.freedesktop.org, iommu@...ts.linux-foundation.org,
linux-arm-msm@...r.kernel.org,
Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
Will Deacon <will@...nel.org>, freedreno@...ts.freedesktop.org,
Sibi Sankar <sibis@...eaurora.org>,
Vivek Gautam <vivek.gautam@...eaurora.org>,
Stephen Boyd <swboyd@...omium.org>,
Robin Murphy <robin.murphy@....com>,
Joerg Roedel <joro@...tes.org>,
linux-arm-kernel@...ts.infradead.org,
Jordan Crouse <jcrouse@...eaurora.org>,
Rob Clark <robdclark@...omium.org>,
Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>, Eric Anholt <eric@...olt.net>,
Ben Dooks <ben.dooks@...ethink.co.uk>,
Emil Velikov <emil.velikov@...labora.com>,
AngeloGioacchino Del Regno <kholk11@...il.com>,
Jonathan Marek <jonathan@...ek.ca>,
Sharat Masetty <smasetty@...eaurora.org>,
Akhil P Oommen <akhilpo@...eaurora.org>,
Brian Masney <masneyb@...tation.org>,
Wambui Karuga <wambui.karugax@...il.com>,
Shawn Guo <shawn.guo@...aro.org>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 12/19] drm/msm: Drop context arg to gpu->submit()
On Thu 13 Aug 21:41 CDT 2020, Rob Clark wrote:
> From: Jordan Crouse <jcrouse@...eaurora.org>
>
> Now that we can get the ctx from the submitqueue, the extra arg is
> redundant.
>
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Signed-off-by: Jordan Crouse <jcrouse@...eaurora.org>
> [split out of previous patch to reduce churny noise]
> Signed-off-by: Rob Clark <robdclark@...omium.org>
> ---
> drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 12 +++++-------
> drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 5 ++---
> drivers/gpu/drm/msm/adreno/adreno_gpu.c | 5 ++---
> drivers/gpu/drm/msm/adreno/adreno_gpu.h | 3 +--
> drivers/gpu/drm/msm/msm_gem_submit.c | 2 +-
> drivers/gpu/drm/msm/msm_gpu.c | 9 ++++-----
> drivers/gpu/drm/msm/msm_gpu.h | 6 ++----
> 7 files changed, 17 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
> index 9e63a190642c..eff2439ea57b 100644
> --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
> @@ -43,8 +43,7 @@ static void a5xx_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring)
> gpu_write(gpu, REG_A5XX_CP_RB_WPTR, wptr);
> }
>
> -static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> - struct msm_file_private *ctx)
> +static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit)
> {
> struct msm_drm_private *priv = gpu->dev->dev_private;
> struct msm_ringbuffer *ring = submit->ring;
> @@ -57,7 +56,7 @@ static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit
> case MSM_SUBMIT_CMD_IB_TARGET_BUF:
> break;
> case MSM_SUBMIT_CMD_CTX_RESTORE_BUF:
> - if (priv->lastctx == ctx)
> + if (priv->lastctx == submit->queue->ctx)
> break;
> /* fall-thru */
> case MSM_SUBMIT_CMD_BUF:
> @@ -103,8 +102,7 @@ static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit
> msm_gpu_retire(gpu);
> }
>
> -static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> - struct msm_file_private *ctx)
> +static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
> {
> struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
> struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu);
> @@ -114,7 +112,7 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
>
> if (IS_ENABLED(CONFIG_DRM_MSM_GPU_SUDO) && submit->in_rb) {
> priv->lastctx = NULL;
> - a5xx_submit_in_rb(gpu, submit, ctx);
> + a5xx_submit_in_rb(gpu, submit);
> return;
> }
>
> @@ -148,7 +146,7 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> case MSM_SUBMIT_CMD_IB_TARGET_BUF:
> break;
> case MSM_SUBMIT_CMD_CTX_RESTORE_BUF:
> - if (priv->lastctx == ctx)
> + if (priv->lastctx == submit->queue->ctx)
> break;
> /* fall-thru */
> case MSM_SUBMIT_CMD_BUF:
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> index c5a3e4d4c007..5eabb0109577 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> @@ -81,8 +81,7 @@ static void get_stats_counter(struct msm_ringbuffer *ring, u32 counter,
> OUT_RING(ring, upper_32_bits(iova));
> }
>
> -static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> - struct msm_file_private *ctx)
> +static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
> {
> unsigned int index = submit->seqno % MSM_GPU_SUBMIT_STATS_COUNT;
> struct msm_drm_private *priv = gpu->dev->dev_private;
> @@ -115,7 +114,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> case MSM_SUBMIT_CMD_IB_TARGET_BUF:
> break;
> case MSM_SUBMIT_CMD_CTX_RESTORE_BUF:
> - if (priv->lastctx == ctx)
> + if (priv->lastctx == submit->queue->ctx)
> break;
> /* fall-thru */
> case MSM_SUBMIT_CMD_BUF:
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> index d2dbb6968cba..533a34b4cce2 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> @@ -457,8 +457,7 @@ void adreno_recover(struct msm_gpu *gpu)
> }
> }
>
> -void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> - struct msm_file_private *ctx)
> +void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
> {
> struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
> struct msm_drm_private *priv = gpu->dev->dev_private;
> @@ -472,7 +471,7 @@ void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> break;
> case MSM_SUBMIT_CMD_CTX_RESTORE_BUF:
> /* ignore if there has not been a ctx switch: */
> - if (priv->lastctx == ctx)
> + if (priv->lastctx == submit->queue->ctx)
> break;
> /* fall-thru */
> case MSM_SUBMIT_CMD_BUF:
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> index e55abae365b5..848632758450 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> @@ -269,8 +269,7 @@ struct drm_gem_object *adreno_fw_create_bo(struct msm_gpu *gpu,
> const struct firmware *fw, u64 *iova);
> int adreno_hw_init(struct msm_gpu *gpu);
> void adreno_recover(struct msm_gpu *gpu);
> -void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> - struct msm_file_private *ctx);
> +void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit);
> void adreno_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring);
> bool adreno_idle(struct msm_gpu *gpu, struct msm_ringbuffer *ring);
> #if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP)
> diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
> index 1464b04d25d3..aa5c60a7132d 100644
> --- a/drivers/gpu/drm/msm/msm_gem_submit.c
> +++ b/drivers/gpu/drm/msm/msm_gem_submit.c
> @@ -785,7 +785,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
> }
> }
>
> - msm_gpu_submit(gpu, submit, ctx);
> + msm_gpu_submit(gpu, submit);
>
> args->fence = submit->fence->seqno;
>
> diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
> index 806eb0957280..e1a3cbe25a0c 100644
> --- a/drivers/gpu/drm/msm/msm_gpu.c
> +++ b/drivers/gpu/drm/msm/msm_gpu.c
> @@ -520,7 +520,7 @@ static void recover_worker(struct work_struct *work)
> struct msm_ringbuffer *ring = gpu->rb[i];
>
> list_for_each_entry(submit, &ring->submits, node)
> - gpu->funcs->submit(gpu, submit, NULL);
> + gpu->funcs->submit(gpu, submit);
> }
> }
>
> @@ -747,8 +747,7 @@ void msm_gpu_retire(struct msm_gpu *gpu)
> }
>
> /* add bo's to gpu's ring, and kick gpu: */
> -void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> - struct msm_file_private *ctx)
> +void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
> {
> struct drm_device *dev = gpu->dev;
> struct msm_drm_private *priv = dev->dev_private;
> @@ -788,8 +787,8 @@ void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> msm_gem_move_to_active(&msm_obj->base, gpu, false, submit->fence);
> }
>
> - gpu->funcs->submit(gpu, submit, ctx);
> - priv->lastctx = ctx;
> + gpu->funcs->submit(gpu, submit);
> + priv->lastctx = submit->queue->ctx;
>
> hangcheck_timer_reset(gpu);
> }
> diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h
> index 97c527e98391..1f96ac0d9049 100644
> --- a/drivers/gpu/drm/msm/msm_gpu.h
> +++ b/drivers/gpu/drm/msm/msm_gpu.h
> @@ -45,8 +45,7 @@ struct msm_gpu_funcs {
> int (*hw_init)(struct msm_gpu *gpu);
> int (*pm_suspend)(struct msm_gpu *gpu);
> int (*pm_resume)(struct msm_gpu *gpu);
> - void (*submit)(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> - struct msm_file_private *ctx);
> + void (*submit)(struct msm_gpu *gpu, struct msm_gem_submit *submit);
> void (*flush)(struct msm_gpu *gpu, struct msm_ringbuffer *ring);
> irqreturn_t (*irq)(struct msm_gpu *irq);
> struct msm_ringbuffer *(*active_ring)(struct msm_gpu *gpu);
> @@ -290,8 +289,7 @@ int msm_gpu_perfcntr_sample(struct msm_gpu *gpu, uint32_t *activetime,
> uint32_t *totaltime, uint32_t ncntrs, uint32_t *cntrs);
>
> void msm_gpu_retire(struct msm_gpu *gpu);
> -void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> - struct msm_file_private *ctx);
> +void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit);
>
> int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
> struct msm_gpu *gpu, const struct msm_gpu_funcs *funcs,
> --
> 2.26.2
>
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