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[1/2] drm/i915/display: Use explicit cast in POWER_DOMAIN_*() macros

Message ID 20250212132658.323640-2-gustavo.sousa@intel.com (mailing list archive)
State New
Headers show
Series Improve type-safety on POWER_DOMAIN_*() macros | expand

Commit Message

Gustavo Sousa Feb. 12, 2025, 1:26 p.m. UTC 
Let the compiler know that we are intetionally using a different enum
type to perform arithmetic with enum intel_display_power_domain in the
POWER_DOMAIN_*(). Do that by explicitly casting the macro argument to
int.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202502120809.XfmcqkBD-lkp@intel.com/
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_power.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
index a3a5c1be8bab..3caa3f517a32 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power.h
@@ -117,12 +117,12 @@  enum intel_display_power_domain {
 	POWER_DOMAIN_INVALID = POWER_DOMAIN_NUM,
 };
 
-#define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A)
+#define POWER_DOMAIN_PIPE(pipe) ((int)(pipe) + POWER_DOMAIN_PIPE_A)
 #define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \
-		((pipe) + POWER_DOMAIN_PIPE_PANEL_FITTER_A)
+		((int)(pipe) + POWER_DOMAIN_PIPE_PANEL_FITTER_A)
 #define POWER_DOMAIN_TRANSCODER(tran) \
 	((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \
-	 (tran) + POWER_DOMAIN_TRANSCODER_A)
+	 (int)(tran) + POWER_DOMAIN_TRANSCODER_A)
 
 struct intel_power_domain_mask {
 	DECLARE_BITMAP(bits, POWER_DOMAIN_NUM);