Merge tag 'drm-intel-next-fixes-2023-06-21' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

One fix for incorrect error handling in the frame buffer mmap callback,
HuC init error handling fix, missing wakeref during GSC init and a build
fix when !CONFIG_PROC_FS.

Signed-off-by: Dave Airlie <[email protected]>
From: Tvrtko Ursulin <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/ZJLI8ON96ApPTl8H@tursulin-desk

Author: airlied

drivers/gpu/drm/i915/gem/i915_gem_mman.c

@@ -1085,8 +1085,8 @@ int i915_gem_fb_mmap(struct drm_i915_gem_object *obj, struct vm_area_struct *vma
 		/* handle stolen and smem objects */
 		mmap_type = i915_ggtt_has_aperture(ggtt) ? I915_MMAP_TYPE_GTT : I915_MMAP_TYPE_WC;
 		mmo = mmap_offset_attach(obj, mmap_type, NULL);
-		if (!mmo)
-			return -ENODEV;
+		if (IS_ERR(mmo))
+			return PTR_ERR(mmo);
 	}
 
 	/*

drivers/gpu/drm/i915/gt/uc/intel_gsc_fw.c

@@ -24,21 +24,27 @@ static bool gsc_is_in_reset(struct intel_uncore *uncore)
 	       GSC_FW_CURRENT_STATE_RESET;
 }
 
-bool intel_gsc_uc_fw_proxy_init_done(struct intel_gsc_uc *gsc)
+static u32 gsc_uc_get_fw_status(struct intel_uncore *uncore)
 {
-	struct intel_uncore *uncore = gsc_uc_to_gt(gsc)->uncore;
-	u32 fw_status = intel_uncore_read(uncore, GSC_FW_STATUS_REG);
+	intel_wakeref_t wakeref;
+	u32 fw_status = 0;
 
-	return REG_FIELD_GET(GSC_FW_CURRENT_STATE, fw_status) ==
+	with_intel_runtime_pm(uncore->rpm, wakeref)
+		fw_status = intel_uncore_read(uncore, GSC_FW_STATUS_REG);
+
+	return fw_status;
+}
+
+bool intel_gsc_uc_fw_proxy_init_done(struct intel_gsc_uc *gsc)
+{
+	return REG_FIELD_GET(GSC_FW_CURRENT_STATE,
+			     gsc_uc_get_fw_status(gsc_uc_to_gt(gsc)->uncore)) ==
 	       GSC_FW_PROXY_STATE_NORMAL;
 }
 
 bool intel_gsc_uc_fw_init_done(struct intel_gsc_uc *gsc)
 {
-	struct intel_uncore *uncore = gsc_uc_to_gt(gsc)->uncore;
-	u32 fw_status = intel_uncore_read(uncore, GSC_FW_STATUS_REG);
-
-	return fw_status & GSC_FW_INIT_COMPLETE_BIT;
+	return gsc_uc_get_fw_status(gsc_uc_to_gt(gsc)->uncore) & GSC_FW_INIT_COMPLETE_BIT;
 }
 
 static int emit_gsc_fw_load(struct i915_request *rq, struct intel_gsc_uc *gsc)

drivers/gpu/drm/i915/gt/uc/intel_huc.c

@@ -384,6 +384,7 @@ int intel_huc_init(struct intel_huc *huc)
 
 		vma = intel_guc_allocate_vma(&gt->uc.guc, PXP43_HUC_AUTH_INOUT_SIZE * 2);
 		if (IS_ERR(vma)) {
+			err = PTR_ERR(vma);
 			huc_info(huc, "Failed to allocate heci pkt\n");
 			goto out;
 		}

drivers/gpu/drm/i915/i915_driver.c

@@ -1816,7 +1816,7 @@ static const struct drm_driver i915_drm_driver = {
 	.open = i915_driver_open,
 	.lastclose = i915_driver_lastclose,
 	.postclose = i915_driver_postclose,
-	.show_fdinfo = i915_drm_client_fdinfo,
+	.show_fdinfo = PTR_IF(IS_ENABLED(CONFIG_PROC_FS), i915_drm_client_fdinfo),
 
 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,

drivers/gpu/drm/i915/i915_drm_client.h

@@ -47,8 +47,6 @@ static inline void i915_drm_client_put(struct i915_drm_client *client)
 
 struct i915_drm_client *i915_drm_client_alloc(void);
 
-#ifdef CONFIG_PROC_FS
 void i915_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file);
-#endif
 
 #endif /* !__I915_DRM_CLIENT_H__ */