Merge branch 'msm-fixes-4.11-rc6' of git://people.freedesktop.org/~robclark/linux into drm-fixes

misc msm fixes.

* 'msm-fixes-4.11-rc6' of git://people.freedesktop.org/~robclark/linux:
  drm/msm: Make sure to detach the MMU during GPU cleanup
  drm/msm/hdmi: redefinitions of macros not required
  drm/msm/mdp5: Update SSPP_MAX value
  drm/msm/dsi: Fix bug in dsi_mgr_phy_enable
  drm/msm: Don't allow zero sized buffer objects
  drm/msm: Fix wrong pointer check in a5xx_destroy
  drm/msm: adreno: fix build error without debugfs

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

@@ -1,4 +1,4 @@
-/* Copyright (c) 2016 The Linux Foundation. All rights reserved.
+/* Copyright (c) 2016-2017 The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -534,7 +534,7 @@ static void a5xx_destroy(struct msm_gpu *gpu)
 	}
 
 	if (a5xx_gpu->gpmu_bo) {
-		if (a5xx_gpu->gpmu_bo)
+		if (a5xx_gpu->gpmu_iova)
 			msm_gem_put_iova(a5xx_gpu->gpmu_bo, gpu->id);
 		drm_gem_object_unreference_unlocked(a5xx_gpu->gpmu_bo);
 	}
@@ -860,7 +860,9 @@ static const struct adreno_gpu_funcs funcs = {
 		.idle = a5xx_idle,
 		.irq = a5xx_irq,
 		.destroy = a5xx_destroy,
+#ifdef CONFIG_DEBUG_FS
 		.show = a5xx_show,
+#endif
 	},
 	.get_timestamp = a5xx_get_timestamp,
 };

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

@@ -418,18 +418,27 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
 	return 0;
 }
 
-void adreno_gpu_cleanup(struct adreno_gpu *gpu)
+void adreno_gpu_cleanup(struct adreno_gpu *adreno_gpu)
 {
-	if (gpu->memptrs_bo) {
-		if (gpu->memptrs)
-			msm_gem_put_vaddr(gpu->memptrs_bo);
+	struct msm_gpu *gpu = &adreno_gpu->base;
+
+	if (adreno_gpu->memptrs_bo) {
+		if (adreno_gpu->memptrs)
+			msm_gem_put_vaddr(adreno_gpu->memptrs_bo);
+
+		if (adreno_gpu->memptrs_iova)
+			msm_gem_put_iova(adreno_gpu->memptrs_bo, gpu->id);
+
+		drm_gem_object_unreference_unlocked(adreno_gpu->memptrs_bo);
+	}
+	release_firmware(adreno_gpu->pm4);
+	release_firmware(adreno_gpu->pfp);
 
-		if (gpu->memptrs_iova)
-			msm_gem_put_iova(gpu->memptrs_bo, gpu->base.id);
+	msm_gpu_cleanup(gpu);
 
-		drm_gem_object_unreference_unlocked(gpu->memptrs_bo);
+	if (gpu->aspace) {
+		gpu->aspace->mmu->funcs->detach(gpu->aspace->mmu,
+			iommu_ports, ARRAY_SIZE(iommu_ports));
+		msm_gem_address_space_destroy(gpu->aspace);
 	}
-	release_firmware(gpu->pm4);
-	release_firmware(gpu->pfp);
-	msm_gpu_cleanup(&gpu->base);
 }

drivers/gpu/drm/msm/dsi/dsi_manager.c

@@ -171,7 +171,7 @@ dsi_mgr_phy_enable(int id,
 			}
 		}
 	} else {
-		msm_dsi_host_reset_phy(mdsi->host);
+		msm_dsi_host_reset_phy(msm_dsi->host);
 		ret = enable_phy(msm_dsi, src_pll_id, &shared_timings[id]);
 		if (ret)
 			return ret;

drivers/gpu/drm/msm/hdmi/hdmi_audio.c

@@ -18,13 +18,6 @@
 #include <linux/hdmi.h>
 #include "hdmi.h"
 
-
-/* Supported HDMI Audio channels */
-#define MSM_HDMI_AUDIO_CHANNEL_2		0
-#define MSM_HDMI_AUDIO_CHANNEL_4		1
-#define MSM_HDMI_AUDIO_CHANNEL_6		2
-#define MSM_HDMI_AUDIO_CHANNEL_8		3
-
 /* maps MSM_HDMI_AUDIO_CHANNEL_n consts used by audio driver to # of channels: */
 static int nchannels[] = { 2, 4, 6, 8 };
 

drivers/gpu/drm/msm/mdp/mdp5/mdp5_pipe.h

@@ -18,7 +18,8 @@
 #ifndef __MDP5_PIPE_H__
 #define __MDP5_PIPE_H__
 
-#define SSPP_MAX	(SSPP_RGB3 + 1) /* TODO: Add SSPP_MAX in mdp5.xml.h */
+/* TODO: Add SSPP_MAX in mdp5.xml.h */
+#define SSPP_MAX	(SSPP_CURSOR1 + 1)
 
 /* represents a hw pipe, which is dynamically assigned to a plane */
 struct mdp5_hw_pipe {

drivers/gpu/drm/msm/msm_gem.c

@@ -812,6 +812,12 @@ struct drm_gem_object *msm_gem_new(struct drm_device *dev,
 
 	size = PAGE_ALIGN(size);
 
+	/* Disallow zero sized objects as they make the underlying
+	 * infrastructure grumpy
+	 */
+	if (size == 0)
+		return ERR_PTR(-EINVAL);
+
 	ret = msm_gem_new_impl(dev, size, flags, NULL, &obj);
 	if (ret)
 		goto fail;

drivers/gpu/drm/msm/msm_gpu.c

@@ -706,9 +706,6 @@ void msm_gpu_cleanup(struct msm_gpu *gpu)
 		msm_ringbuffer_destroy(gpu->rb);
 	}
 
-	if (gpu->aspace)
-		msm_gem_address_space_destroy(gpu->aspace);
-
 	if (gpu->fctx)
 		msm_fence_context_free(gpu->fctx);
 }