summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/dispc.c20
-rw-r--r--drivers/gpu/drm/omapdrm/omap_fb.c14
2 files changed, 32 insertions, 2 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index 53e2c93a5455..18e9dff2f1b2 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -1919,7 +1919,8 @@ static s32 pixinc(int pixels, u8 ps)
static void calc_offset(u16 screen_width, u16 width,
u32 fourcc, bool fieldmode,
unsigned int field_offset, unsigned *offset0, unsigned *offset1,
- s32 *row_inc, s32 *pix_inc, int x_predecim, int y_predecim)
+ s32 *row_inc, s32 *pix_inc, int x_predecim, int y_predecim,
+ enum omap_dss_rotation_type rotation_type, u8 rotation)
{
u8 ps;
@@ -1927,6 +1928,20 @@ static void calc_offset(u16 screen_width, u16 width,
DSSDBG("scrw %d, width %d\n", screen_width, width);
+ if (rotation_type == OMAP_DSS_ROT_TILER &&
+ (fourcc == DRM_FORMAT_UYVY || fourcc == DRM_FORMAT_YUYV) &&
+ drm_rotation_90_or_270(rotation)) {
+ /*
+ * HACK: ROW_INC needs to be calculated with TILER units.
+ * We get such 'screen_width' that multiplying it with the
+ * YUV422 pixel size gives the correct TILER container width.
+ * However, 'width' is in pixels and multiplying it with YUV422
+ * pixel size gives incorrect result. We thus multiply it here
+ * with 2 to match the 32 bit TILER unit size.
+ */
+ width *= 2;
+ }
+
/*
* field 0 = even field = bottom field
* field 1 = odd field = top field
@@ -2475,7 +2490,8 @@ static int dispc_ovl_setup_common(enum omap_plane_id plane,
calc_offset(screen_width, frame_width,
fourcc, fieldmode, field_offset,
&offset0, &offset1, &row_inc, &pix_inc,
- x_predecim, y_predecim);
+ x_predecim, y_predecim,
+ rotation_type, rotation);
DSSDBG("offset0 %u, offset1 %u, row_inc %d, pix_inc %d\n",
offset0, offset1, row_inc, pix_inc);
diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c
index c7a805702b54..ddf7a457951b 100644
--- a/drivers/gpu/drm/omapdrm/omap_fb.c
+++ b/drivers/gpu/drm/omapdrm/omap_fb.c
@@ -184,16 +184,30 @@ void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
orient = drm_rotation_to_tiler(state->rotation);
+ /*
+ * omap_gem_rotated_paddr() wants the x & y in tiler units.
+ * Usually tiler unit size is the same as the pixel size, except
+ * for YUV422 formats, for which the tiler unit size is 32 bits
+ * and pixel size is 16 bits.
+ */
+ if (fb->format->format == DRM_FORMAT_UYVY ||
+ fb->format->format == DRM_FORMAT_YUYV) {
+ x /= 2;
+ w /= 2;
+ }
+
/* adjust x,y offset for invert: */
if (orient & MASK_Y_INVERT)
y += h - 1;
if (orient & MASK_X_INVERT)
x += w - 1;
+ /* Note: x and y are in TILER units, not pixels */
omap_gem_rotated_dma_addr(plane->bo, orient, x, y,
&info->paddr);
info->rotation_type = OMAP_DSS_ROT_TILER;
info->rotation = state->rotation ?: DRM_MODE_ROTATE_0;
+ /* Note: stride in TILER units, not pixels */
info->screen_width = omap_gem_tiled_stride(plane->bo, orient);
} else {
switch (state->rotation & DRM_MODE_ROTATE_MASK) {