drm/armada: improve Dove clock selection

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Improve the Dove (Armada 510) LCD clock selection and divider
calculation, limiting to the valid divisor values, and reporting an
error if the clock is not achievable within the bounds of HDMI
clocking requirements.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

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This commit is contained in:

Russell King 2018-07-14 11:15:35 +01:00

parent 7f07ce0f04

commit 1ba246f2fd

3 changed files with 183 additions and 37 deletions

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117

drivers/gpu/drm/armada/armada_510.c

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78

drivers/gpu/drm/armada/armada_crtc.c

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21

drivers/gpu/drm/armada/armada_crtc.h

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