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5 Commits

Author SHA1 Message Date
Joel Stanley
bce724fa58 drm/aspeed: Use dt matching for default register values 
There are minor differences in the values for the threshold value and
the scan line size between families of ASPEED SoC. Additionally the SCU
registers for the output control and scratch registers differ between
families.

This adds device tree matching to parameterise these values, allowing us
to add support for the AST2400 now, and in the future the AST2600.

Reviewed-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://patchwork.freedesktop.org/patch/msgid/20210209123734.130483-3-joel@jms.id.au
 2021-02-10 10:56:16 +10:30
Ondrej Jirman
c76eb35587 drm: aspeed: Fix GENMASK misuse 
Arguments to GENMASK should be msb >= lsb.

Signed-off-by: Ondrej Jirman <megous@megous.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://patchwork.freedesktop.org/patch/msgid/20200222235152.242816-1-megous@megous.com
 2020-10-09 18:16:34 +10:30
Daniel Vetter
cd82945407 drm/aspeed: Use devm_drm_dev_alloc 
As usual, we can drop the drm_dev_put() and need to embed the
drm_device. Since it's so few, also go right ahead and leave
drm_device->dev_private set to NULL, so that we always use the
container_of() upcast, which is faster anyway.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Joel Stanley <joel@jms.id.au>
Cc: Andrew Jeffery <andrew@aj.id.au>
Cc: linux-aspeed@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
Link: https://patchwork.freedesktop.org/patch/msgid/20200415074034.175360-56-daniel.vetter@ffwll.ch
 2020-04-28 16:13:03 +02:00
Daniel Vetter
e95d2f4012 drm/aspeed: Drop aspeed_gfx->fbdev 
No longer used since the conversion to generic fbdev.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Joel Stanley <joel@jms.id.au>
Cc: Andrew Jeffery <andrew@aj.id.au>
Cc: linux-aspeed@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
Link: https://patchwork.freedesktop.org/patch/msgid/20200415074034.175360-55-daniel.vetter@ffwll.ch
 2020-04-28 16:12:41 +02:00
Joel Stanley
4f2a8f5898 drm: Add ASPEED GFX driver 
This driver is for the ASPEED BMC SoC's GFX display hardware. This
driver runs on the ARM based BMC systems, unlike the ast driver which
runs on a host CPU and is is for a PCI graphics device.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190403001909.31637-3-joel@jms.id.au
 2019-04-04 11:57:34 +10:30