drm/msm: Remove idle function hook

There isn't any generic code that uses ->idle so remove it.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

drivers/gpu/drm/msm/adreno/a3xx_gpu.c

@@ -40,6 +40,7 @@
 extern bool hang_debug;
 
 static void a3xx_dump(struct msm_gpu *gpu);
+static bool a3xx_idle(struct msm_gpu *gpu);
 
 static bool a3xx_me_init(struct msm_gpu *gpu)
 {
@@ -65,7 +66,7 @@ static bool a3xx_me_init(struct msm_gpu *gpu)
 	OUT_RING(ring, 0x00000000);
 
 	gpu->funcs->flush(gpu);
-	return gpu->funcs->idle(gpu);
+	return a3xx_idle(gpu);
 }
 
 static int a3xx_hw_init(struct msm_gpu *gpu)
@@ -446,7 +447,6 @@ static const struct adreno_gpu_funcs funcs = {
 		.last_fence = adreno_last_fence,
 		.submit = adreno_submit,
 		.flush = adreno_flush,
-		.idle = a3xx_idle,
 		.irq = a3xx_irq,
 		.destroy = a3xx_destroy,
 #ifdef CONFIG_DEBUG_FS

drivers/gpu/drm/msm/adreno/a4xx_gpu.c

@@ -31,6 +31,7 @@
 
 extern bool hang_debug;
 static void a4xx_dump(struct msm_gpu *gpu);
+static bool a4xx_idle(struct msm_gpu *gpu);
 
 /*
  * a4xx_enable_hwcg() - Program the clock control registers
@@ -137,7 +138,7 @@ static bool a4xx_me_init(struct msm_gpu *gpu)
 	OUT_RING(ring, 0x00000000);
 
 	gpu->funcs->flush(gpu);
-	return gpu->funcs->idle(gpu);
+	return a4xx_idle(gpu);
 }
 
 static int a4xx_hw_init(struct msm_gpu *gpu)
@@ -534,7 +535,6 @@ static const struct adreno_gpu_funcs funcs = {
 		.last_fence = adreno_last_fence,
 		.submit = adreno_submit,
 		.flush = adreno_flush,
-		.idle = a4xx_idle,
 		.irq = a4xx_irq,
 		.destroy = a4xx_destroy,
 #ifdef CONFIG_DEBUG_FS

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

@@ -287,7 +287,7 @@ static int a5xx_me_init(struct msm_gpu *gpu)
 
 	gpu->funcs->flush(gpu);
 
-	return gpu->funcs->idle(gpu) ? 0 : -EINVAL;
+	return a5xx_idle(gpu) ? 0 : -EINVAL;
 }
 
 static struct drm_gem_object *a5xx_ucode_load_bo(struct msm_gpu *gpu,
@@ -638,7 +638,7 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
 		OUT_RING(gpu->rb, 0x0F);
 
 		gpu->funcs->flush(gpu);
-		if (!gpu->funcs->idle(gpu))
+		if (!a5xx_idle(gpu))
 			return -EINVAL;
 	}
 
@@ -655,7 +655,7 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
 		OUT_RING(gpu->rb, 0x00000000);
 
 		gpu->funcs->flush(gpu);
-		if (!gpu->funcs->idle(gpu))
+		if (!a5xx_idle(gpu))
 			return -EINVAL;
 	} else {
 		/* Print a warning so if we die, we know why */
@@ -732,7 +732,7 @@ static inline bool _a5xx_check_idle(struct msm_gpu *gpu)
 		A5XX_RBBM_INT_0_MASK_MISC_HANG_DETECT);
 }
 
-static bool a5xx_idle(struct msm_gpu *gpu)
+bool a5xx_idle(struct msm_gpu *gpu)
 {
 	/* wait for CP to drain ringbuffer: */
 	if (!adreno_idle(gpu))
@@ -1037,7 +1037,6 @@ static const struct adreno_gpu_funcs funcs = {
 		.last_fence = adreno_last_fence,
 		.submit = a5xx_submit,
 		.flush = adreno_flush,
-		.idle = a5xx_idle,
 		.irq = a5xx_irq,
 		.destroy = a5xx_destroy,
 #ifdef CONFIG_DEBUG_FS

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

@@ -58,5 +58,6 @@ static inline int spin_usecs(struct msm_gpu *gpu, uint32_t usecs,
 	return -ETIMEDOUT;
 }
 
+bool a5xx_idle(struct msm_gpu *gpu);
 
 #endif /* __A5XX_GPU_H__ */

drivers/gpu/drm/msm/adreno/a5xx_power.c

@@ -194,7 +194,7 @@ static int a5xx_gpmu_init(struct msm_gpu *gpu)
 
 	gpu->funcs->flush(gpu);
 
-	if (!gpu->funcs->idle(gpu)) {
+	if (!a5xx_idle(gpu)) {
 		DRM_ERROR("%s: Unable to load GPMU firmware. GPMU will not be active\n",
 			gpu->name);
 		return -EINVAL;

drivers/gpu/drm/msm/msm_gpu.h

@@ -50,7 +50,6 @@ struct msm_gpu_funcs {
 	void (*submit)(struct msm_gpu *gpu, struct msm_gem_submit *submit,
 			struct msm_file_private *ctx);
 	void (*flush)(struct msm_gpu *gpu);
-	bool (*idle)(struct msm_gpu *gpu);
 	irqreturn_t (*irq)(struct msm_gpu *irq);
 	uint32_t (*last_fence)(struct msm_gpu *gpu);
 	void (*recover)(struct msm_gpu *gpu);