Ouch, the driver rotates planes clockwise, which is simply not correct.
Signed-off-by: Peter Rosin <p...@axentia.se>
---
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 30 ++++++++++++-------------
1 file changed, 15 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 47e0992f3908..ea8fc0deb814 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -691,13 +691,14 @@ static int atmel_hlcdc_plane_atomic_check(struct
drm_plane *p,
switch (state->base.rotation & DRM_MODE_ROTATE_MASK) {
case DRM_MODE_ROTATE_90:
- offset = ((y_offset + state->src_y + patched_src_w - 1)
/
- ydiv) * fb->pitches[i];
- offset += ((x_offset + state->src_x) / xdiv) *
- state->bpp[i];
- state->xstride[i] = ((patched_src_w - 1) / ydiv) *
- fb->pitches[i];
- state->pstride[i] = -fb->pitches[i] - state->bpp[i];
+ offset = ((y_offset + state->src_y) / ydiv) *
+ fb->pitches[i];
+ offset += ((x_offset + state->src_x + patched_src_h -
1) /
+ xdiv) * state->bpp[i];
+ state->xstride[i] = -(((patched_src_w - 1) / ydiv) *
+ fb->pitches[i]) -
+ (2 * state->bpp[i]);
+ state->pstride[i] = fb->pitches[i] - state->bpp[i];
break;
case DRM_MODE_ROTATE_180:
offset = ((y_offset + state->src_y + patched_src_h - 1)
/
@@ -709,14 +710,13 @@ static int atmel_hlcdc_plane_atomic_check(struct
drm_plane *p,
state->pstride[i] = -2 * state->bpp[i];
break;
case DRM_MODE_ROTATE_270:
- offset = ((y_offset + state->src_y) / ydiv) *
- fb->pitches[i];
- offset += ((x_offset + state->src_x + patched_src_h -
1) /
- xdiv) * state->bpp[i];
- state->xstride[i] = -(((patched_src_w - 1) / ydiv) *
- fb->pitches[i]) -
- (2 * state->bpp[i]);
- state->pstride[i] = fb->pitches[i] - state->bpp[i];
+ offset = ((y_offset + state->src_y + patched_src_w - 1)
/
+ ydiv) * fb->pitches[i];
+ offset += ((x_offset + state->src_x) / xdiv) *
+ state->bpp[i];
+ state->xstride[i] = ((patched_src_w - 1) / ydiv) *
+ fb->pitches[i];
+ state->pstride[i] = -fb->pitches[i] - state->bpp[i];
break;
case DRM_MODE_ROTATE_0:
default:
--
2.11.0
