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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2023-06-16 17:08:16 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2023-06-20 19:07:41 +0300 |
| commit | ce6ea7eeff2db080de4bfd651ae37818a46777cc (patch) | |
| tree | fcbbeaa7e3f9cbd82ecf5f4776af43e32d4f91d8 /drivers/gpu/drm/i915 | |
| parent | 2798e4d1ccd9b3916a8a4088fa24c0338ede9d90 (diff) | |
| download | linux-ce6ea7eeff2db080de4bfd651ae37818a46777cc.tar.gz linux-ce6ea7eeff2db080de4bfd651ae37818a46777cc.tar.bz2 linux-ce6ea7eeff2db080de4bfd651ae37818a46777cc.zip | |
drm/i915: Assert that device info bitmasks have enough bits
Sprinkle in some BUILD_BUG_ON()s to make sure some of
the bitmasks used in the device info have enough bits.
Do we have a better place for this sort of stuff?
v2: Relocate to the new place
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230616140820.11726-4-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_device.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index b2f6f05baa01..f87470da25d0 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -858,6 +858,10 @@ void intel_display_device_info_runtime_init(struct drm_i915_private *i915) struct intel_display_runtime_info *display_runtime = DISPLAY_RUNTIME_INFO(i915); enum pipe pipe; + BUILD_BUG_ON(BITS_PER_TYPE(display_runtime->pipe_mask) < I915_MAX_PIPES); + BUILD_BUG_ON(BITS_PER_TYPE(display_runtime->cpu_transcoder_mask) < I915_MAX_TRANSCODERS); + BUILD_BUG_ON(BITS_PER_TYPE(display_runtime->port_mask) < I915_MAX_PORTS); + /* Wa_14011765242: adl-s A0,A1 */ if (IS_ADLS_DISPLAY_STEP(i915, STEP_A0, STEP_A2)) for_each_pipe(i915, pipe) |