diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2023-06-06 22:14:53 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2023-09-27 18:38:40 +0300 |
| commit | df3b919286981bd00d115569fd431d4266731f47 (patch) | |
| tree | ea22ba3e51844b0d7ff44c659269617bf3a6e47c /drivers/gpu/drm/i915/display/intel_dsb.c | |
| parent | 0c1c7a649975a2cec5645860be76a91a3653e944 (diff) | |
drm/i915/dsb: Introduce intel_dsb_noop()
Add a helper for emitting a number of DSB NOOPs commands.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230606191504.18099-9-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dsb.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dsb.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c index 22c716ee75e2..4ef799c087b4 100644 --- a/drivers/gpu/drm/i915/display/intel_dsb.c +++ b/drivers/gpu/drm/i915/display/intel_dsb.c @@ -234,6 +234,15 @@ void intel_dsb_reg_write(struct intel_dsb *dsb, } } +void intel_dsb_noop(struct intel_dsb *dsb, int count) +{ + int i; + + for (i = 0; i < count; i++) + intel_dsb_emit(dsb, 0, + DSB_OPCODE_NOOP << DSB_OPCODE_SHIFT); +} + static void intel_dsb_align_tail(struct intel_dsb *dsb) { u32 aligned_tail, tail; |