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[v2] drm/msm/a6xx: use __unused__ to fix compiler warnings for gen7_* includes

Message ID 20240605002859.4111643-1-quic_abhinavk@quicinc.com (mailing list archive)
State New, archived
Headers show
Series [v2] drm/msm/a6xx: use __unused__ to fix compiler warnings for gen7_* includes | expand

Commit Message

Abhinav Kumar June 5, 2024, 12:28 a.m. UTC
GCC diagnostic pragma method throws below warnings in some of the versions

drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:16:9: warning: unknown
option after '#pragma GCC diagnostic' kind [-Wpragmas]
  #pragma GCC diagnostic ignored "-Wunused-const-variable"
          ^
In file included from drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:18:0:
drivers/gpu/drm/msm/adreno/adreno_gen7_0_0_snapshot.h:924:19: warning:
'gen7_0_0_external_core_regs' defined but not used [-Wunused-variable]
  static const u32 *gen7_0_0_external_core_regs[] = {
                    ^
In file included from drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:19:0:
drivers/gpu/drm/msm/adreno/adreno_gen7_2_0_snapshot.h:748:19: warning:
'gen7_2_0_external_core_regs' defined but not used [-Wunused-variable]
  static const u32 *gen7_2_0_external_core_regs[] = {
                    ^
In file included from drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:20:0:
drivers/gpu/drm/msm/adreno/adreno_gen7_9_0_snapshot.h:1188:43: warning:
'gen7_9_0_sptp_clusters' defined but not used [-Wunused-variable]
  static struct gen7_sptp_cluster_registers gen7_9_0_sptp_clusters[] = {
                                            ^
drivers/gpu/drm/msm/adreno/adreno_gen7_9_0_snapshot.h:1438:19: warning:
'gen7_9_0_external_core_regs' defined but not used [-Wunused-variable]
  static const u32 *gen7_9_0_external_core_regs[] = {

Remove GCC version dependency by using __unused__ for the unused gen7_* includes.

Changes in v2:
	- Fix the warnings in the commit text
	- Use __attribute((__unused__)) instead of local assignment

Fixes: 64d6255650d4 ("drm/msm: More fully implement devcoredump for a7xx")
Suggested-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/20240604215105.4057278-1-quic_abhinavk@quicinc.com
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
index 0a7717a4fc2f..a958e2b3c025 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
@@ -8,19 +8,15 @@ 
 #include "a6xx_gpu_state.h"
 #include "a6xx_gmu.xml.h"
 
-/* Ignore diagnostics about register tables that we aren't using yet. We don't
- * want to modify these headers too much from their original source.
- */
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-variable"
-#pragma GCC diagnostic ignored "-Wunused-const-variable"
+static const unsigned int *gen7_0_0_external_core_regs[] __attribute((__unused__));
+static const unsigned int *gen7_2_0_external_core_regs[] __attribute((__unused__));
+static const unsigned int *gen7_9_0_external_core_regs[] __attribute((__unused__));
+static struct gen7_sptp_cluster_registers gen7_9_0_sptp_clusters[] __attribute((__unused__));
 
 #include "adreno_gen7_0_0_snapshot.h"
 #include "adreno_gen7_2_0_snapshot.h"
 #include "adreno_gen7_9_0_snapshot.h"
 
-#pragma GCC diagnostic pop
-
 struct a6xx_gpu_state_obj {
 	const void *handle;
 	u32 *data;