drm/msm/adreno: move scratch register dumping to per-gen code

Scratch registers move, annoyingly enough, in a5xx.  Move to
per-generation aNxx_recover() fxn.

Signed-off-by: Rob Clark <robdclark@gmail.com>
diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
index 2dc9412..71a4450 100644
--- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
@@ -299,8 +299,15 @@ static int a4xx_hw_init(struct msm_gpu *gpu)
 
 static void a4xx_recover(struct msm_gpu *gpu)
 {
+	int i;
+
 	adreno_dump_info(gpu);
 
+	for (i = 0; i < 8; i++) {
+		printk("CP_SCRATCH_REG%d: %u\n", i,
+			gpu_read(gpu, REG_AXXX_CP_SCRATCH_REG0 + i));
+	}
+
 	/* dump registers before resetting gpu, if enabled: */
 	if (hang_debug)
 		a4xx_dump(gpu);