media: atomisp: atomisp_dfs_tables.h: don't depend on ISP version

There's a dependency on this header for the ISP model. While
this sounds really weird (as just one resolution needs it),
as we don't know what's the right value, let's just keep it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/atomisp/pci/atomisp2/atomisp_dfs_tables.h

@@ -128,7 +128,7 @@ static const struct atomisp_dfs_config dfs_config_merr_1179 = {
 	.dfs_table_size = ARRAY_SIZE(dfs_rules_merr_1179),
 };
 
-static const struct atomisp_freq_scaling_rule dfs_rules_merr_117a[] = {
+static struct atomisp_freq_scaling_rule dfs_rules_merr_117a[] = {
 	{
 		.width = 1920,
 		.height = 1080,
@@ -140,11 +140,11 @@ static const struct atomisp_freq_scaling_rule dfs_rules_merr_117a[] = {
 		.width = 1080,
 		.height = 1920,
 		.fps = 30,
-#ifndef ISP2401
-		.isp_freq = ISP_FREQ_266MHZ,
-#else
-		.isp_freq = ISP_FREQ_400MHZ,
-#endif
+		/*
+		 * FIXME: this is weird, but .isp_freq depends on
+		 * the chip being ISP2400 or ISP2401. So, this should be
+		 * initialized on runtime.
+		 */
 		.run_mode = ATOMISP_RUN_MODE_VIDEO,
 	},
 	{
@@ -205,7 +205,7 @@ static const struct atomisp_freq_scaling_rule dfs_rules_merr_117a[] = {
 	},
 };
 
-static const struct atomisp_dfs_config dfs_config_merr_117a = {
+static struct atomisp_dfs_config dfs_config_merr_117a = {
 	.lowest_freq = ISP_FREQ_200MHZ,
 	.max_freq_at_vmin = ISP_FREQ_200MHZ,
 	.highest_freq = ISP_FREQ_400MHZ,

drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c

@@ -1246,7 +1246,17 @@ static int atomisp_pci_probe(struct pci_dev *dev,
 			isp->dfs = &dfs_config_merr_1179;
 			break;
 		case ATOMISP_PCI_DEVICE_SOC_MRFLD_117A:
+			/*
+			 * FIXME: This should likely be uneeded. Either one
+			 * value is likely the correct one for this resolution
+			 */
+			if (!atomisp_hw_is_isp2401)
+				dfs_rules_merr_117a[1].isp_freq = ISP_FREQ_266MHZ;
+			else
+				dfs_rules_merr_117a[1].isp_freq = ISP_FREQ_400MHZ;
+
 			isp->dfs = &dfs_config_merr_117a;
+
 			break;
 		default:
 			isp->dfs = &dfs_config_merr;