[PATCH 6.9 341/374] drm/i915/guc: avoid FIELD_PREP warning

Greg Kroah-Hartman
2024-06-06T14:11:15Z

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit d4f36db62396b73bed383c0b6e48d36278cafa78 ]

With gcc-7 and earlier, there are lots of warnings like

In file included from <command-line>:0:0:
In function '__guc_context_policy_add_priority.isra.66',
inlined from '__guc_context_set_prio.isra.67' at drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:3292:3,
inlined from 'guc_context_set_prio' at drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:3320:2:
include/linux/compiler_types.h:399:38: error: call to '__compiletime_assert_631' declared with attribute error: FIELD_PREP: mask is not constant
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^
...
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:2422:3: note: in expansion of macro 'FIELD_PREP'
FIELD_PREP(GUC_KLV_0_KEY, GUC_CONTEXT_POLICIES_KLV_ID_##id) | \
^~~~~~~~~~

Make sure that GUC_KLV_0_KEY is an unsigned value to avoid the warning.

Fixes: 77b6f79df66e ("drm/i915/guc: Update to GuC version 69.0.3")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Julia Filipchuk <julia.filipchuk@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240430164809.482131-1-julia.filipchuk@intel.com
(cherry picked from commit 364e039827ef628c650c21c1afe1c54d9c3296d9)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h b/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h
index 58012edd4eb0e..4f4f53c42a9c5 100644
--- a/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h
+++ b/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h
@@ -29,9 +29,9 @@
*/

#define GUC_KLV_LEN_MIN 1u
-#define GUC_KLV_0_KEY (0xffff << 16)
-#define GUC_KLV_0_LEN (0xffff << 0)
-#define GUC_KLV_n_VALUE (0xffffffff << 0)
+#define GUC_KLV_0_KEY (0xffffu << 16)
+#define GUC_KLV_0_LEN (0xffffu << 0)
+#define GUC_KLV_n_VALUE (0xffffffffu << 0)

/**
* DOC: GuC Self Config KLVs
--
2.43.0