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

Needed for scanning out of a tiled buffer.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 3b8f087..ec70234 100644 (file)
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/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);

diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index e028c1c..2330f3a 100644 (file)
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/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