apply dmacoherent patch for arm64

Author: nicholasaiello

arch/arm64/configs/bcm2711_defconfig

@@ -1064,6 +1064,12 @@ CONFIG_AUXDISPLAY=y
 CONFIG_HD44780=m
 CONFIG_DRM=m
 CONFIG_DRM_LOAD_EDID_FIRMWARE=y
+CONFIG_DRM_RADEON=m
+CONFIG_DRM_AMDGPU=m
+CONFIG_DRM_AMDGPU_SI=y
+CONFIG_DRM_AMDGPU_CIK=y
+CONFIG_DRM_XE=m
+CONFIG_DRM_XE_FORCE_PROBE="*"
 CONFIG_DRM_UDL=m
 CONFIG_DRM_PANEL_LVDS=m
 CONFIG_DRM_PANEL_ILITEK_ILI9806E=m
@@ -1127,6 +1133,9 @@ CONFIG_SND_SERIAL_U16550=m
 CONFIG_SND_MPU401=m
 CONFIG_SND_PIMIDI=m
 CONFIG_SND_PISOUND_MICRO=m
+CONFIG_SND_HDA_INTEL=m
+CONFIG_SND_HDA_GENERIC=m
+CONFIG_SND_HDA_CODEC_HDMI=m
 CONFIG_SND_USB_AUDIO=m
 CONFIG_SND_USB_UA101=m
 CONFIG_SND_USB_CAIAQ=m

arch/arm64/configs/bcm2712_defconfig

@@ -1066,6 +1066,12 @@ CONFIG_AUXDISPLAY=y
 CONFIG_HD44780=m
 CONFIG_DRM=m
 CONFIG_DRM_LOAD_EDID_FIRMWARE=y
+CONFIG_DRM_RADEON=m
+CONFIG_DRM_AMDGPU=m
+CONFIG_DRM_AMDGPU_SI=y
+CONFIG_DRM_AMDGPU_CIK=y
+CONFIG_DRM_XE=m
+CONFIG_DRM_XE_FORCE_PROBE="*"
 CONFIG_DRM_UDL=m
 CONFIG_DRM_PANEL_LVDS=m
 CONFIG_DRM_PANEL_ILITEK_ILI9806E=m
@@ -1129,6 +1135,9 @@ CONFIG_SND_SERIAL_U16550=m
 CONFIG_SND_MPU401=m
 CONFIG_SND_PIMIDI=m
 CONFIG_SND_PISOUND_MICRO=m
+CONFIG_SND_HDA_INTEL=m
+CONFIG_SND_HDA_GENERIC=m
+CONFIG_SND_HDA_CODEC_HDMI=m
 CONFIG_SND_USB_AUDIO=m
 CONFIG_SND_USB_UA101=m
 CONFIG_SND_USB_CAIAQ=m

drivers/gpu/drm/i915/display/intel_display.c

@@ -7720,6 +7720,7 @@ int intel_atomic_commit(struct drm_device *dev, struct drm_atomic_state *_state,
 	 * FIXME: Cut over to (async) commit helpers instead of hand-rolling
 	 * everything.
 	 */
+#if defined(CONFIG_VGA_CONSOLE)
 	if (state->base.legacy_cursor_update) {
 		struct intel_crtc_state *new_crtc_state;
 		struct intel_crtc *crtc;
@@ -7728,7 +7729,7 @@ int intel_atomic_commit(struct drm_device *dev, struct drm_atomic_state *_state,
 		for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i)
 			complete_all(&new_crtc_state->uapi.commit->flip_done);
 	}
-
+#endif
 	ret = intel_atomic_prepare_commit(state);
 	if (ret) {
 		drm_dbg_atomic(display->drm,

drivers/gpu/drm/i915/display/intel_vga.c

@@ -78,6 +78,7 @@ void intel_vga_disable(struct intel_display *display)
 
 void intel_vga_reset_io_mem(struct intel_display *display)
 {
+#if defined(CONFIG_VGA_CONSOLE)
 	struct pci_dev *pdev = to_pci_dev(display->drm->dev);
 
 	/*
@@ -93,6 +94,7 @@ void intel_vga_reset_io_mem(struct intel_display *display)
 	vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
 	outb(inb(VGA_MIS_R), VGA_MIS_W);
 	vga_put(pdev, VGA_RSRC_LEGACY_IO);
+#endif
 }
 
 int intel_vga_register(struct intel_display *display)

drivers/gpu/drm/ttm/ttm_bo_util.c

@@ -359,7 +359,8 @@ static int ttm_bo_kmap_ttm(struct ttm_buffer_object *bo,
 	if (ret)
 		return ret;
 
-	if (num_pages == 1 && ttm->caching == ttm_cached &&
+	if (!IS_ENABLED(CONFIG_ARM64) &&
+	    num_pages == 1 && ttm->caching == ttm_cached &&
 	    !(man->use_tt && (ttm->page_flags & TTM_TT_FLAG_DECRYPTED))) {
 		/*
 		 * We're mapping a single page, and the desired

drivers/gpu/drm/ttm/ttm_module.c

@@ -63,7 +63,11 @@ pgprot_t ttm_prot_from_caching(enum ttm_caching caching, pgprot_t tmp)
 {
 	/* Cached mappings need no adjustment */
 	if (caching == ttm_cached)
+#ifdef CONFIG_ARM64
+		return pgprot_dmacoherent(tmp);
+#else
 		return tmp;
+#endif
 
 #if defined(__i386__) || defined(__x86_64__)
 	if (caching == ttm_write_combined)