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3 Commits

Author SHA1 Message Date
Laurentiu Palcu
6a8a58acfe drm/imx/dcss: fix compilation issue on 32bit 
When compiling for 32bit platforms, the compilation fails with:

ERROR: modpost: "__aeabi_ldivmod"
[drivers/gpu/drm/imx/dcss/imx-dcss.ko] undefined!
ERROR: modpost: "__aeabi_uldivmod"
[drivers/gpu/drm/imx/dcss/imx-dcss.ko] undefined!

This patch adds a dependency on ARM64 since no 32bit SoCs have DCSS, so far.

Signed-off-by: Laurentiu Palcu <laurentiu.palcu@oss.nxp.com>
Reported-by: Daniel Vetter <daniel@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200910095250.7663-1-laurentiu.palcu@oss.nxp.com
 2020-09-10 12:09:54 +02:00
Laurentiu Palcu
e7033bdfd4 drm/imx/dcss: use drm_bridge_connector API 
Make use of drm_bridge_connector API to have the connector initialized by the
display controller.

Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200731081836.3048-4-laurentiu.palcu@oss.nxp.com
 2020-09-09 16:39:49 +02:00
Laurentiu Palcu
9021c317b7 drm/imx: Add initial support for DCSS on iMX8MQ 
This adds initial support for iMX8MQ's Display Controller Subsystem (DCSS).
Some of its capabilities include:
 * 4K@60fps;
 * HDR10;
 * one graphics and 2 video pipelines;
 * on-the-fly decompression of compressed video and graphics;

The reference manual can be found here:
https://www.nxp.com/webapp/Download?colCode=IMX8MDQLQRM

The current patch adds only basic functionality: one primary plane for
graphics, linear, tiled and super-tiled buffers support (no graphics
decompression yet), no HDR10 and no video planes.

Video planes support and HDR10 will be added in subsequent patches once
per-plane de-gamma/CSC/gamma support is in.

Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200731081836.3048-3-laurentiu.palcu@oss.nxp.com
 2020-09-09 16:39:48 +02:00