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drm/atmel-hlcdc: rotate planes counterclockwise

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Ouch, the driver rotates planes clockwise, which is simply not correct.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190110151020.30468-2-peda@axentia.se
This commit is contained in:
Peter Rosin 2019-01-10 15:10:34 +00:00 committed by Boris Brezillon
parent f1a2a540c8
commit 8cdb00a5e9
1 changed files with 15 additions and 15 deletions
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30
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
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@ -692,13 +692,14 @@ 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) /
@ -710,14 +711,13 @@ 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: