[PATCH 2/2] drm/msm/a8xx: Update GPU name with slice_mask

Rob Clark posted 2 patches 3 weeks ago
[PATCH 2/2] drm/msm/a8xx: Update GPU name with slice_mask
Posted by Rob Clark 3 weeks ago
Once we've updated the chip_id after reading the slice_mask, also update
the GPU name so it matches.

Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
---
 drivers/gpu/drm/msm/adreno/a8xx_gpu.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/msm/adreno/a8xx_gpu.c b/drivers/gpu/drm/msm/adreno/a8xx_gpu.c
index 5a320f5bde41..fb1d92095db7 100644
--- a/drivers/gpu/drm/msm/adreno/a8xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a8xx_gpu.c
@@ -87,6 +87,7 @@ void a8xx_gpu_get_slice_info(struct msm_gpu *gpu)
 	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
 	struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
 	const struct a6xx_info *info = adreno_gpu->info->a6xx;
+	struct device *dev = &gpu->pdev->dev;
 	u32 slice_mask;
 
 	if (adreno_gpu->info->family < ADRENO_8XX_GEN1)
@@ -110,6 +111,15 @@ void a8xx_gpu_get_slice_info(struct msm_gpu *gpu)
 
 	/* Chip ID depends on the number of slices available. So update it */
 	adreno_gpu->chip_id |= FIELD_PREP(GENMASK(7, 4), hweight32(slice_mask));
+
+	/* Update the gpu-name to reflect the slice config: */
+	const char *name = devm_kasprintf(dev, GFP_KERNEL,
+			"%"ADRENO_CHIPID_FMT,
+			ADRENO_CHIPID_ARGS(adreno_gpu->chip_id));
+	if (name) {
+		devm_kfree(dev, adreno_gpu->base.name);
+		adreno_gpu->base.name = name;
+	}
 }
 
 static u32 a8xx_get_first_slice(struct a6xx_gpu *a6xx_gpu)
-- 
2.53.0
Re: [PATCH 2/2] drm/msm/a8xx: Update GPU name with slice_mask
Posted by Dmitry Baryshkov 3 weeks ago
On Mon, Mar 16, 2026 at 11:34:34AM -0700, Rob Clark wrote:
> Once we've updated the chip_id after reading the slice_mask, also update
> the GPU name so it matches.
> 
> Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
> ---
>  drivers/gpu/drm/msm/adreno/a8xx_gpu.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

> 

-- 
With best wishes
Dmitry