diff options
author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2024-06-24 22:10:28 +0300 |
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committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2024-08-29 14:54:03 +0300 |
commit | 06358ccecd75bfcd988f347f79592e23159aaaa2 (patch) | |
tree | 56e08d39e07a9b1101c419b6066d8ae98a922ba0 /drivers/gpu/drm/i915/display/intel_dsb.h | |
parent | 2039809783d630c1022bb3debe648abced7861c4 (diff) | |
download | lwn-06358ccecd75bfcd988f347f79592e23159aaaa2.tar.gz lwn-06358ccecd75bfcd988f347f79592e23159aaaa2.zip |
drm/i915/dsb: Introduce intel_dsb_chain()
In order to handle the DEwake tricks without involving
the CPU we need a mechanism by which one DSB can start
another one. Add a basic function to do so. We'll extend
it later with additional code to actually deal with
DEwake.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240624191032.27333-11-ville.syrjala@linux.intel.com
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dsb.h')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dsb.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.h b/drivers/gpu/drm/i915/display/intel_dsb.h index d0737cefb393..e59fd7da0fc0 100644 --- a/drivers/gpu/drm/i915/display/intel_dsb.h +++ b/drivers/gpu/drm/i915/display/intel_dsb.h @@ -45,6 +45,9 @@ void intel_dsb_wait_scanline_in(struct intel_atomic_state *state, void intel_dsb_wait_scanline_out(struct intel_atomic_state *state, struct intel_dsb *dsb, int lower, int upper); +void intel_dsb_chain(struct intel_atomic_state *state, + struct intel_dsb *dsb, + struct intel_dsb *chained_dsb); void intel_dsb_commit(struct intel_dsb *dsb, bool wait_for_vblank); |