drm/msm/adreno: Add helper for formating chip-id

This is used in a few places, including one that is parsed by userspace
tools.  So let's standardize it a bit better.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/549774/

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

@@ -661,14 +661,12 @@ static int adreno_bind(struct device *dev, struct device *master, void *data)
 	info = adreno_info(config.rev);
 
 	if (!info) {
-		dev_warn(drm->dev, "Unknown GPU revision: %u.%u.%u.%u\n",
-			config.rev.core, config.rev.major,
-			config.rev.minor, config.rev.patchid);
+		dev_warn(drm->dev, "Unknown GPU revision: %"ADRENO_CHIPID_FMT"\n",
+			ADRENO_CHIPID_ARGS(config.rev));
 		return -ENXIO;
 	}
 
-	DBG("Found GPU: %u.%u.%u.%u", config.rev.core, config.rev.major,
-		config.rev.minor, config.rev.patchid);
+	DBG("Found GPU: %"ADRENO_CHIPID_FMT, ADRENO_CHIPID_ARGS(config.rev));
 
 	priv->is_a2xx = info->family < ADRENO_3XX;
 	priv->has_cached_coherent =

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

@@ -847,10 +847,9 @@ void adreno_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
 	if (IS_ERR_OR_NULL(state))
 		return;
 
-	drm_printf(p, "revision: %d (%d.%d.%d.%d)\n",
-			adreno_gpu->info->revn, adreno_gpu->rev.core,
-			adreno_gpu->rev.major, adreno_gpu->rev.minor,
-			adreno_gpu->rev.patchid);
+	drm_printf(p, "revision: %u (%"ADRENO_CHIPID_FMT")\n",
+			adreno_gpu->info->revn,
+			ADRENO_CHIPID_ARGS(adreno_gpu->rev));
 	/*
 	 * If this is state collected due to iova fault, so fault related info
 	 *
@@ -921,10 +920,9 @@ void adreno_dump_info(struct msm_gpu *gpu)
 	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
 	int i;
 
-	printk("revision: %d (%d.%d.%d.%d)\n",
-			adreno_gpu->info->revn, adreno_gpu->rev.core,
-			adreno_gpu->rev.major, adreno_gpu->rev.minor,
-			adreno_gpu->rev.patchid);
+	printk("revision: %u (%"ADRENO_CHIPID_FMT")\n",
+			adreno_gpu->info->revn,
+			ADRENO_CHIPID_ARGS(adreno_gpu->rev));
 
 	for (i = 0; i < gpu->nr_rings; i++) {
 		struct msm_ringbuffer *ring = gpu->rb[i];
@@ -1106,9 +1104,8 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
 		speedbin = 0xffff;
 	adreno_gpu->speedbin = (uint16_t) (0xffff & speedbin);
 
-	gpu_name = devm_kasprintf(dev, GFP_KERNEL, "%d.%d.%d.%d",
-			rev->core, rev->major, rev->minor,
-			rev->patchid);
+	gpu_name = devm_kasprintf(dev, GFP_KERNEL, "%"ADRENO_CHIPID_FMT,
+			ADRENO_CHIPID_ARGS(config->rev));
 	if (!gpu_name)
 		return -ENOMEM;
 

drivers/gpu/drm/msm/adreno/adreno_gpu.h

@@ -66,6 +66,12 @@ struct adreno_rev {
 #define ADRENO_REV(core, major, minor, patchid) \
 	((struct adreno_rev){ core, major, minor, patchid })
 
+/* Helper for formating the chip_id in the way that userspace tools like
+ * crashdec expect.
+ */
+#define ADRENO_CHIPID_FMT "u.%u.%u.%u"
+#define ADRENO_CHIPID_ARGS(_r) (_r).core, (_r).major, (_r).minor, (_r).patchid
+
 struct adreno_gpu_funcs {
 	struct msm_gpu_funcs base;
 	int (*get_timestamp)(struct msm_gpu *gpu, uint64_t *value);