MLK-17490-1 drm/imx: dec400d: fix incorrect register base passed to context loader

The register base of DEC400D which is passed to context loader
should be the physical address but not the ioremaped virtual
address.

Signed-off-by: Fancy Fang <chen.fang@nxp.com>

diff --git a/drivers/gpu/imx/dcss/dcss-dec400d.c b/drivers/gpu/imx/dcss/dcss-dec400d.c
index 874fd5f..acd1221 100644 (file)
--- a/drivers/gpu/imx/dcss/dcss-dec400d.c
+++ b/drivers/gpu/imx/dcss/dcss-dec400d.c
@@ -39,6 +39,7 @@
 struct dcss_dec400d_priv {
        struct dcss_soc *dcss;
        void __iomem *dec400d_reg;
+       uint32_t dec400d_reg_base;
        uint64_t modifier[4];
        uint32_t pixel_format;
        uint32_t ctx_id;
@@ -53,7 +54,7 @@ static void dcss_dec400d_write(struct dcss_dec400d_priv *dec400d,
        dcss_writel(value, dec400d->dec400d_reg + offset);
 #else
        dcss_ctxld_write(dec400d->dcss, dec400d->ctx_id,
-                        value, dec400d->dec400d_reg + offset);
+                        value, dec400d->dec400d_reg_base + offset);
 #endif
 }
 
@@ -74,6 +75,8 @@ int dcss_dec400d_init(struct dcss_soc *dcss, unsigned long dec400d_base)
                return -ENOMEM;
        }
 
+       dec400d->dec400d_reg_base = dec400d_base;
+
 #if USE_CTXLD
        dec400d->ctx_id = CTX_SB_HP;
 #endif