drm/msm/a5xx: remove null pointer check on pdev

The call chain on a5xx_gpu_init is such that pdev is not going to be
null, so the null check on pdev can be removed. This also cleans up
a static analysis warning where pdev is dereferenced before the null
check which cannot actually occur.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/624180/
Signed-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/adreno/a5xx_gpu.c

@@ -1760,11 +1760,6 @@ struct msm_gpu *a5xx_gpu_init(struct drm_device *dev)
 	unsigned int nr_rings;
 	int ret;
 
-	if (!pdev) {
-		DRM_DEV_ERROR(dev->dev, "No A5XX device is defined\n");
-		return ERR_PTR(-ENXIO);
-	}
-
 	a5xx_gpu = kzalloc(sizeof(*a5xx_gpu), GFP_KERNEL);
 	if (!a5xx_gpu)
 		return ERR_PTR(-ENOMEM);