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| /linux/drivers/gpu/drm/i915/display/ |
| H A D | intel_cdclk.c | e1a914aef28f39aec5f107f31478d95aff3ae6db Mon Dec 11 22:16:36 UTC 2023 Ville Syrjälä <ville.syrjala@linux.intel.com> drm/i915/cdclk: Remove the assumption that cdclk divider==2 when using squashing
Currently we have a hardcoded assumption that the cdclk divider
(2*cd2x divider) is always 2 when squashing is used. While that
is true for all current platforms it might not hold in the future.
So eliminate the assumption and calculate the correct divider
from the other parameters.
v2: s/cd2x divider/cdclk divider/ (Gustavo)
s/clock/unsquashed_cdclk/ (Gustavo)
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231211221636.29658-1-ville.syrjala@linux.intel.com
e1a914aef28f39aec5f107f31478d95aff3ae6db Mon Dec 11 22:16:36 UTC 2023 Ville Syrjälä <ville.syrjala@linux.intel.com> drm/i915/cdclk: Remove the assumption that cdclk divider==2 when using squashing
Currently we have a hardcoded assumption that the cdclk divider
(2*cd2x divider) is always 2 when squashing is used. While that
is true for all current platforms it might not hold in the future.
So eliminate the assumption and calculate the correct divider
from the other parameters.
v2: s/cd2x divider/cdclk divider/ (Gustavo)
s/clock/unsquashed_cdclk/ (Gustavo)
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231211221636.29658-1-ville.syrjala@linux.intel.com
e1a914aef28f39aec5f107f31478d95aff3ae6db Mon Dec 11 22:16:36 UTC 2023 Ville Syrjälä <ville.syrjala@linux.intel.com> drm/i915/cdclk: Remove the assumption that cdclk divider==2 when using squashing
Currently we have a hardcoded assumption that the cdclk divider
(2*cd2x divider) is always 2 when squashing is used. While that
is true for all current platforms it might not hold in the future.
So eliminate the assumption and calculate the correct divider
from the other parameters.
v2: s/cd2x divider/cdclk divider/ (Gustavo)
s/clock/unsquashed_cdclk/ (Gustavo)
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231211221636.29658-1-ville.syrjala@linux.intel.com
e1a914aef28f39aec5f107f31478d95aff3ae6db Mon Dec 11 22:16:36 UTC 2023 Ville Syrjälä <ville.syrjala@linux.intel.com> drm/i915/cdclk: Remove the assumption that cdclk divider==2 when using squashing
Currently we have a hardcoded assumption that the cdclk divider
(2*cd2x divider) is always 2 when squashing is used. While that
is true for all current platforms it might not hold in the future.
So eliminate the assumption and calculate the correct divider
from the other parameters.
v2: s/cd2x divider/cdclk divider/ (Gustavo)
s/clock/unsquashed_cdclk/ (Gustavo)
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231211221636.29658-1-ville.syrjala@linux.intel.com
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