13 files changed, 37 insertions, 0 deletions

diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c
index 32cd8ac018c0..a32be27c39e8 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.c
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
@@ -20,6 +20,7 @@
 #include <drm/drm_managed.h>
 #include <drm/drm_module.h>
 #include <drm/drm_pciids.h>
+#include <drm/drm_print.h>
 
 #include "mgag200_drv.h"
 
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200.c b/drivers/gpu/drm/mgag200/mgag200_g200.c
index f874e2949840..a5e291b344db 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200.c
@@ -7,6 +7,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200eh.c b/drivers/gpu/drm/mgag200/mgag200_g200eh.c
index e2305f8e00f8..d2aa931f579d 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200eh.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200eh.c
@@ -7,6 +7,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200eh3.c b/drivers/gpu/drm/mgag200/mgag200_g200eh3.c
index 11ae76eb081d..7bea7a728f56 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200eh3.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200eh3.c
@@ -6,6 +6,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200eh5.c b/drivers/gpu/drm/mgag200/mgag200_g200eh5.c
index e2a2942a80a0..36da6529d74f 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200eh5.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200eh5.c
@@ -8,6 +8,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200er.c b/drivers/gpu/drm/mgag200/mgag200_g200er.c
index 23debc70dc54..8fa8fe943abf 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200er.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200er.c
@@ -7,6 +7,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ev.c b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
index f8796e2b7a0f..3fadbeb10af9 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200ev.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
@@ -7,6 +7,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
index 31624c9ab7b7..e387a455eae5 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
@@ -6,6 +6,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200se.c b/drivers/gpu/drm/mgag200/mgag200_g200se.c
index e80da12ba1fe..a0ac19ee0353 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200se.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200se.c
@@ -7,6 +7,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200wb.c b/drivers/gpu/drm/mgag200/mgag200_g200wb.c
index a0e7b9ad46cd..d847fa8ded8c 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200wb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200wb.c
@@ -7,6 +7,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 951d715dea30..d019177462cf 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -161,6 +161,30 @@ static void mgag200_set_startadd(struct mga_device *mdev,
 	WREG_ECRT(0x00, crtcext0);
 }
 
+/*
+ * Set the opmode for the hardware swapper for Big-Endian processor
+ * support for the frame buffer aperture and DMAWIN space.
+ */
+static void mgag200_set_datasiz(struct mga_device *mdev, u32 format)
+{
+#if defined(__BIG_ENDIAN)
+	u32 opmode = RREG32(MGAREG_OPMODE);
+
+	opmode &= ~(GENMASK(17, 16) | GENMASK(9, 8) | GENMASK(3, 2));
+
+	/* Big-endian byte-swapping */
+	switch (format) {
+	case DRM_FORMAT_RGB565:
+		opmode |= 0x10100;
+		break;
+	case DRM_FORMAT_XRGB8888:
+		opmode |= 0x20200;
+		break;
+	}
+	WREG32(MGAREG_OPMODE, opmode);
+#endif
+}
+
 void mgag200_init_registers(struct mga_device *mdev)
 {
 	u8 crtc11, misc;
@@ -496,6 +520,7 @@ void mgag200_primary_plane_helper_atomic_update(struct drm_plane *plane,
 	struct drm_atomic_helper_damage_iter iter;
 	struct drm_rect damage;
 
+	mgag200_set_datasiz(mdev, fb->format->format);
 	drm_atomic_helper_damage_iter_init(&iter, old_plane_state, plane_state);
 	drm_atomic_for_each_plane_damage(&iter, &damage) {
 		mgag200_handle_damage(mdev, shadow_plane_state->data, fb, &damage);
diff --git a/drivers/gpu/drm/mgag200/mgag200_vga.c b/drivers/gpu/drm/mgag200/mgag200_vga.c
index 60568f32736d..b07c1362ddd4 100644
--- a/drivers/gpu/drm/mgag200/mgag200_vga.c
+++ b/drivers/gpu/drm/mgag200/mgag200_vga.c
@@ -2,6 +2,7 @@
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_modeset_helper_vtables.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "mgag200_ddc.h"
diff --git a/drivers/gpu/drm/mgag200/mgag200_vga_bmc.c b/drivers/gpu/drm/mgag200/mgag200_vga_bmc.c
index a5a3ac108bd5..a855f1734316 100644
--- a/drivers/gpu/drm/mgag200/mgag200_vga_bmc.c
+++ b/drivers/gpu/drm/mgag200/mgag200_vga_bmc.c
@@ -3,6 +3,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_modeset_helper_vtables.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "mgag200_ddc.h"