linux-kernel - [PATCH 05/17] drm/msm/a6xx: Rename and move a7xx_cx_mem

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Message-Id: <20250930-kaana-gpu-support-v1-5-73530b0700ed@oss.qualcomm.com>
Date: Tue, 30 Sep 2025 11:18:10 +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 05/17] drm/msm/a6xx: Rename and move a7xx_cx_mem_init()

Rename to a7xx_gpu_feature_probe() and move it to adreno_gpu_func list
so that we can simplify the caller.

Signed-off-by: Akhil P Oommen <akhilpo@....qualcomm.com>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c   | 11 ++++++-----
 drivers/gpu/drm/msm/adreno/adreno_gpu.h |  1 +
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 9cc2f008388929f0c8e8f70a3e3e79fb4d35ab38..4be0117c3ab1d56dc81b43ff00e3cc48b02b080f 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -2065,10 +2065,10 @@ static void a6xx_llc_slices_init(struct platform_device *pdev,
 		a6xx_gpu->llc_mmio = ERR_PTR(-EINVAL);
 }
 
-static int a7xx_cx_mem_init(struct a6xx_gpu *a6xx_gpu)
+static int a7xx_gpu_feature_probe(struct msm_gpu *gpu)
 {
-	struct adreno_gpu *adreno_gpu = &a6xx_gpu->base;
-	struct msm_gpu *gpu = &adreno_gpu->base;
+	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
+	struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
 	u32 fuse_val;
 	int ret;
 
@@ -2621,6 +2621,7 @@ static const struct adreno_gpu_funcs funcs_a7xx = {
 	},
 	.get_timestamp = a6xx_gmu_get_timestamp,
 	.submit_flush = a6xx_flush,
+	.feature_probe = a7xx_gpu_feature_probe,
 };
 
 struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
@@ -2702,8 +2703,8 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
 		return ERR_PTR(ret);
 	}
 
-	if (adreno_is_a7xx(adreno_gpu)) {
-		ret = a7xx_cx_mem_init(a6xx_gpu);
+	if (adreno_gpu->funcs->feature_probe) {
+		ret = adreno_gpu->funcs->feature_probe(gpu);
 		if (ret) {
 			a6xx_destroy(&(a6xx_gpu->base.base));
 			return ERR_PTR(ret);
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index 77b1c73ff8946fb0f8ff279e16c973cade50c130..5abe442637e321fb996402fd833711f0a948e176 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -75,6 +75,7 @@ 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);
+	int (*feature_probe)(struct msm_gpu *gpu);
 };
 
 struct adreno_reglist {

-- 
2.51.0