drm/msm: Use the correct dma_sync calls harder

Looks like the dma_sync calls don't do what we want on armv7 either.
Fixes:

Unable to handle kernel paging request at virtual address 50001000
pgd = (ptrval)
[50001000] *pgd=00000000
Internal error: Oops: 805 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.3.0-rc6-00271-g9f159ae07f07 #4
Hardware name: Freescale i.MX53 (Device Tree Support)
PC is at v7_dma_clean_range+0x20/0x38
LR is at __dma_page_cpu_to_dev+0x28/0x90
pc : [<c011c76c>] lr : [<c01181c4>] psr: 20000013
sp : d80b5a88 ip : de96c000 fp : d840ce6c
r10: 00000000 r9 : 00000001 r8 : d843e010
r7 : 00000000 r6 : 00008000 r5 : ddb6c000 r4 : 00000000
r3 : 0000003f r2 : 00000040 r1 : 50008000 r0 : 50001000
Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
Control: 10c5387d Table: 70004019 DAC: 00000051
Process swapper/0 (pid: 1, stack limit = 0x(ptrval))

Signed-off-by: Rob Clark <[e-mail]>
Fixes: 3de433c5b38a ("drm/msm: Use the correct dma_sync calls in msm_gem")
Tested-by: Fabio Estevam <[e-mail]>

drivers/gpu/drm/msm/msm_gem.c

···
 {
 	struct device *dev = msm_obj->base.dev->dev;
 
-	if (get_dma_ops(dev)) {
+	if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) {
 		dma_sync_sg_for_device(dev, msm_obj->sgt->sgl,
 			msm_obj->sgt->nents, DMA_BIDIRECTIONAL);
 	} else {
···
 {
 	struct device *dev = msm_obj->base.dev->dev;
 
-	if (get_dma_ops(dev)) {
+	if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) {
 		dma_sync_sg_for_cpu(dev, msm_obj->sgt->sgl,
 			msm_obj->sgt->nents, DMA_BIDIRECTIONAL);
 	} else {