drm/i915: Enable scaling filter for plane and CRTC

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GEN >= 10 hardware supports the programmable scaler filter.

Attach scaling filter property for CRTC and plane for GEN >= 10
hardwares and program scaler filter based on the selected filter
type.

changes since v3:
* None
changes since v2:
* Use updated functions
* Add ps_ctrl var to contain the full PS_CTRL register value (Ville)
* Duplicate the scaling filter in crtc and plane hw state (Ville)
changes since v1:
* None
Changes since RFC:
* Enable properties for GEN >= 10 platforms (Ville)
* Do not round off the crtc co-ordinate (Danial Stone, Ville)
* Add new functions to handle scaling filter setup (Ville)
* Remove coefficient set 0 hardcoding.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201020161427.6941-5-pankaj.laxminarayan.bharadiya@intel.com

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This commit is contained in:

Pankaj Bharadiya 2020-10-20 21:44:26 +05:30 • committed by Jani Nikula

parent cc2396ff75

commit 6d1a2fdedb

4 changed files with 32 additions and 4 deletions

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1

drivers/gpu/drm/i915/display/intel_atomic_plane.c

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18

drivers/gpu/drm/i915/display/intel_display.c

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2

drivers/gpu/drm/i915/display/intel_display_types.h

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15

drivers/gpu/drm/i915/display/intel_sprite.c

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