drm/atmel-hlcdc: rotate planes counterclockwise (8cdb00a5) · Commits · 戴 / test

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c

+15 −15

Original line number	Diff line number	Diff line
		@@ -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) *
		offset = ((y_offset + state->src_y) / ydiv) *
		fb->pitches[i];
		state->pstride[i] = -fb->pitches[i] - state->bpp[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) *
		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];
		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];
		state->pstride[i] = -fb->pitches[i] - state->bpp[i];
		break;
		case DRM_MODE_ROTATE_0:
		default:

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