drm/radeon/kms: Add crtc tiling setup support for evergreen

Needed for scanning out of a tiled buffer.
Signed-off-by: NAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/atombios_crtc.c

@@ -862,6 +862,11 @@ static int evergreen_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 		return -EINVAL;
 	}
 
+	if (tiling_flags & RADEON_TILING_MACRO)
+		fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
+	else if (tiling_flags & RADEON_TILING_MICRO)
+		fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
+
 	switch (radeon_crtc->crtc_id) {
 	case 0:
 		WREG32(AVIVO_D1VGA_CONTROL, 0);

drivers/gpu/drm/radeon/evergreen_reg.h

@@ -61,6 +61,11 @@
 #       define EVERGREEN_GRPH_FORMAT_8B_BGRA1010102     5
 #       define EVERGREEN_GRPH_FORMAT_RGB111110          6
 #       define EVERGREEN_GRPH_FORMAT_BGR101111          7
+#       define EVERGREEN_GRPH_ARRAY_MODE(x)             (((x) & 0x7) << 20)
+#       define EVERGREEN_GRPH_ARRAY_LINEAR_GENERAL      0
+#       define EVERGREEN_GRPH_ARRAY_LINEAR_ALIGNED      1
+#       define EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1      2
+#       define EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1      4
 #define EVERGREEN_GRPH_SWAP_CONTROL                     0x680c
 #       define EVERGREEN_GRPH_ENDIAN_SWAP(x)            (((x) & 0x3) << 0)
 #       define EVERGREEN_GRPH_ENDIAN_NONE               0