linux-kernel - [PATCH 04/17] drm/msm/adreno: Create adreno_func->submit

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Message-Id: <20250930-kaana-gpu-support-v1-4-73530b0700ed@oss.qualcomm.com>
Date: Tue, 30 Sep 2025 11:18:09 +0530
From: Akhil P Oommen <akhilpo@....qualcomm.com>
To: Rob Clark <robin.clark@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Sean Paul <sean@...rly.run>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Jonathan Marek <jonathan@...ek.ca>,
        Jordan Crouse <jordan@...micpenguin.net>,
        Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
        devicetree@...r.kernel.org, Akhil P Oommen <akhilpo@....qualcomm.com>
Subject: [PATCH 04/17] drm/msm/adreno: Create adreno_func->submit_flush()

To dynamically decide the right flush routine, convert a6xx_flush to an
adreno_func op. This will help us to reuse a7xx_submit() along with
a8xx_flush op.

Signed-off-by: Akhil P Oommen <akhilpo@....qualcomm.com>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c   | 7 +++++--
 drivers/gpu/drm/msm/adreno/adreno_gpu.h | 1 +
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index b8f8ae940b55f5578abdbdec6bf1e90a53e721a5..9cc2f008388929f0c8e8f70a3e3e79fb4d35ab38 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -391,7 +391,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
 
 	trace_msm_gpu_submit_flush(submit, read_gmu_ao_counter(a6xx_gpu));
 
-	a6xx_flush(gpu, ring);
+	adreno_gpu->funcs->submit_flush(gpu, ring);
 }
 
 static void a6xx_emit_set_pseudo_reg(struct msm_ringbuffer *ring,
@@ -591,7 +591,7 @@ static void a7xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
 
 	trace_msm_gpu_submit_flush(submit, read_gmu_ao_counter(a6xx_gpu));
 
-	a6xx_flush(gpu, ring);
+	adreno_gpu->funcs->submit_flush(gpu, ring);
 
 	/* Check to see if we need to start preemption */
 	a6xx_preempt_trigger(gpu);
@@ -2557,6 +2557,7 @@ static const struct adreno_gpu_funcs funcs = {
 		.sysprof_setup = a6xx_gmu_sysprof_setup,
 	},
 	.get_timestamp = a6xx_gmu_get_timestamp,
+	.submit_flush = a6xx_flush,
 };
 
 static const struct adreno_gpu_funcs funcs_gmuwrapper = {
@@ -2586,6 +2587,7 @@ static const struct adreno_gpu_funcs funcs_gmuwrapper = {
 		.progress = a6xx_progress,
 	},
 	.get_timestamp = a6xx_get_timestamp,
+	.submit_flush = a6xx_flush,
 };
 
 static const struct adreno_gpu_funcs funcs_a7xx = {
@@ -2618,6 +2620,7 @@ static const struct adreno_gpu_funcs funcs_a7xx = {
 		.sysprof_setup = a6xx_gmu_sysprof_setup,
 	},
 	.get_timestamp = a6xx_gmu_get_timestamp,
+	.submit_flush = a6xx_flush,
 };
 
 struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index 390fa6720d9b096f4fa7d1639645d453d43b153a..77b1c73ff8946fb0f8ff279e16c973cade50c130 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -74,6 +74,7 @@ enum adreno_family {
 struct adreno_gpu_funcs {
 	struct msm_gpu_funcs base;
 	int (*get_timestamp)(struct msm_gpu *gpu, uint64_t *value);
+	void (*submit_flush)(struct msm_gpu *gpu, struct msm_ringbuffer *ring);
 };
 
 struct adreno_reglist {

-- 
2.51.0