Hi Dave,

please consider merging this update for the ipu-v3 mem2mem image conversion code together with a few small cleanups and fixes.

regards Philipp

The following changes since commit 651022382c7f8da46cb4872a545ee1da6d097d2a:

Linux 4.20-rc1 (2018-11-04 15:37:52 -0800)

are available in the Git repository at:

git://git.pengutronix.de/git/pza/linux.git tags/imx-drm-next-2018-12-03

for you to fetch changes up to 97c78f4d07e5033717c08b650462b3087ecfe8e8:

drm/imx: ipuv3-plane: add IDMAC timeout warning (2018-11-05 14:56:04 +0100)

---------------------------------------------------------------- drm/imx: update image-convert with fixes for multi-tiled scaling

Update the ipu-v3 mem2mem image-convert code, with some fixes for race conditions, alignment issues, and visual artifacts due to tile alignment and scaling factor issues when scaling images larger than hardware limitations in multiple tiles. This will allow the V4L2 mem2mem scaler driver to write output images larger than 1024x1024 pixels.

Also switch drm/imx source files to SPDX license identifiers, constify struct clk_ops in imx-tve, and add a timeout warning to the busy wait in ipu_plane_disable().

---------------------------------------------------------------- Fabio Estevam (1): drm/imx: Switch to SPDX identifier

Julia Lawall (1): drm/imx: imx-tve: constify clk_ops structure

Philipp Zabel (15): gpu: ipu-v3: ipu-ic: allow to manually set resize coefficients gpu: ipu-v3: image-convert: prepare for per-tile configuration gpu: ipu-v3: image-convert: calculate per-tile resize coefficients gpu: ipu-v3: image-convert: reconfigure IC per tile gpu: ipu-v3: image-convert: store tile top/left position gpu: ipu-v3: image-convert: calculate tile dimensions and offsets outside fill_image gpu: ipu-v3: image-convert: move tile alignment helpers gpu: ipu-v3: image-convert: select optimal seam positions gpu: ipu-v3: image-convert: fix debug output for varying tile sizes gpu: ipu-v3: image-convert: relax alignment restrictions gpu: ipu-v3: image-convert: fix bytesperline adjustment gpu: ipu-v3: image-convert: add some ASCII art to the exposition gpu: ipu-v3: image-convert: disable double buffering if necessary gpu: ipu-v3: image-convert: allow three rows or columns drm/imx: ipuv3-plane: add IDMAC timeout warning

Steve Longerbeam (7): gpu: ipu-cpmem: add WARN_ON_ONCE() for unaligned dma buffers gpu: ipu-v3: Add chroma plane offset overrides to ipu_cpmem_set_image() gpu: ipu-v3: image-convert: Prevent race between run and unprepare gpu: ipu-v3: image-convert: Only wait for abort completion if active run gpu: ipu-v3: image-convert: Allow reentrancy into abort gpu: ipu-v3: image-convert: Remove need_abort flag gpu: ipu-v3: image-convert: Catch unaligned tile offsets

drivers/gpu/drm/imx/dw_hdmi-imx.c | 5 +- drivers/gpu/drm/imx/imx-drm-core.c | 11 +- drivers/gpu/drm/imx/imx-ldb.c | 10 +- drivers/gpu/drm/imx/imx-tve.c | 12 +- drivers/gpu/drm/imx/ipuv3-crtc.c | 10 +- drivers/gpu/drm/imx/ipuv3-plane.c | 18 +- drivers/gpu/drm/imx/parallel-display.c | 10 +- drivers/gpu/ipu-v3/ipu-cpmem.c | 52 +++-- drivers/gpu/ipu-v3/ipu-ic.c | 52 +++-- drivers/gpu/ipu-v3/ipu-image-convert.c | 1019 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------------- include/video/imx-ipu-v3.h | 9 + 11 files changed, 940 insertions(+), 268 deletions(-)