linux-kernel - [PATCH v2 03/13] drm/msm/adreno: Remove redundant revn param

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Message-ID: <20230727212208.102501-4-robdclark@gmail.com>
Date:   Thu, 27 Jul 2023 14:20:08 -0700
From:   Rob Clark <robdclark@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Akhil P Oommen <quic_akhilpo@...cinc.com>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Clark <robdclark@...omium.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Douglas Anderson <dianders@...omium.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Elliot Berman <quic_eberman@...cinc.com>,
        Rob Herring <robh@...nel.org>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2 03/13] drm/msm/adreno: Remove redundant revn param

From: Rob Clark <robdclark@...omium.org>

This just duplicates what is in adreno_info, and can cause confusion if
used before it is set.

Signed-off-by: Rob Clark <robdclark@...omium.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c   |  2 --
 drivers/gpu/drm/msm/adreno/adreno_gpu.c |  1 -
 drivers/gpu/drm/msm/adreno/adreno_gpu.h | 22 +++++++++-------------
 3 files changed, 9 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index edbade75020f..5ba8b5aca502 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -2484,8 +2484,6 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
 		return ERR_PTR(-EINVAL);
 
 	/* Assign these early so that we can use the is_aXYZ helpers */
-	/* Numeric revision IDs (e.g. 630) */
-	adreno_gpu->revn = info->revn;
 	/* New-style ADRENO_REV()-only */
 	adreno_gpu->rev = info->rev;
 	/* Quirk data */
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index ef98d51d237f..f4d45534dd7f 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -1099,7 +1099,6 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
 
 	adreno_gpu->funcs = funcs;
 	adreno_gpu->info = adreno_info(config->rev);
-	adreno_gpu->revn = adreno_gpu->info->revn;
 	adreno_gpu->rev = *rev;
 
 	if (adreno_read_speedbin(dev, &speedbin) || !speedbin)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index aaf09c642dc6..d31e2d37c61b 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -77,7 +77,6 @@ struct adreno_gpu {
 	struct msm_gpu base;
 	struct adreno_rev rev;
 	const struct adreno_info *info;
-	uint32_t revn;  /* numeric revision name */
 	uint16_t speedbin;
 	const struct adreno_gpu_funcs *funcs;
 
@@ -147,10 +146,9 @@ bool adreno_cmp_rev(struct adreno_rev rev1, struct adreno_rev rev2);
 
 static inline bool adreno_is_revn(const struct adreno_gpu *gpu, uint32_t revn)
 {
-	/* revn can be zero, but if not is set at same time as info */
-	WARN_ON_ONCE(!gpu->info);
-
-	return gpu->revn == revn;
+	if (WARN_ON_ONCE(!gpu->info))
+		return false;
+	return gpu->info->revn == revn;
 }
 
 static inline bool adreno_has_gmu_wrapper(const struct adreno_gpu *gpu)
@@ -160,18 +158,16 @@ static inline bool adreno_has_gmu_wrapper(const struct adreno_gpu *gpu)
 
 static inline bool adreno_is_a2xx(const struct adreno_gpu *gpu)
 {
-	/* revn can be zero, but if not is set at same time as info */
-	WARN_ON_ONCE(!gpu->info);
-
-	return (gpu->revn < 300);
+	if (WARN_ON_ONCE(!gpu->info))
+		return false;
+	return (gpu->info->revn < 300);
 }
 
 static inline bool adreno_is_a20x(const struct adreno_gpu *gpu)
 {
-	/* revn can be zero, but if not is set at same time as info */
-	WARN_ON_ONCE(!gpu->info);
-
-	return (gpu->revn < 210);
+	if (WARN_ON_ONCE(!gpu->info))
+		return false;
+	return (gpu->info->revn < 210);
 }
 
 static inline bool adreno_is_a225(const struct adreno_gpu *gpu)
-- 
2.41.0