[PATCH 1/4] drm/atmel-hlcdc: rotate planes counterclockwise
From: Peter Rosin <hidden>
Date: 2019-01-10 15:10:41
Also in:
dri-devel, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for atmel hlcdc, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Manikandan Muralidharan, Dharma Balasubiramani, Linus Torvalds
Ouch, the driver rotates planes clockwise, which is simply not correct. Signed-off-by: Peter Rosin <redacted> --- 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
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