Re: [PATCH v2] drm: msm: adreno_gpu.c: Add and use pr_fmt(fmt)

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On 26/08/2021 05:23, zhaoxiao wrote:
Use a more common logging style.

Signed-off-by: zhaoxiao <zhaoxiao@xxxxxxxxxxxxx>

Your subject tells about pr_fmt(), while the patch itself changs printk()s to pr_info(). Could you please fix the commit subject and expand/correct commit message?

---
v2:Remove the line: #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    drivers/gpu/drm/msm/adreno/adreno_gpu.c:23:9: warning: 'pr_fmt' macro redefined [-Wmacro-redefined]
    #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
            ^
    include/linux/printk.h:348:9: note: previous definition is here
    #define pr_fmt(fmt) fmt

  drivers/gpu/drm/msm/adreno/adreno_gpu.c | 12 ++++++------
  1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 9f5a30234b33..f10e9e04c13b 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -753,7 +753,7 @@ void adreno_dump_info(struct msm_gpu *gpu)
  	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
  	int i;
- printk("revision: %d (%d.%d.%d.%d)\n",
+	pr_info("revision: %d (%d.%d.%d.%d)\n",
  			adreno_gpu->info->revn, adreno_gpu->rev.core,
  			adreno_gpu->rev.major, adreno_gpu->rev.minor,
  			adreno_gpu->rev.patchid);
@@ -761,12 +761,12 @@ void adreno_dump_info(struct msm_gpu *gpu)
  	for (i = 0; i < gpu->nr_rings; i++) {
  		struct msm_ringbuffer *ring = gpu->rb[i];
- printk("rb %d: fence: %d/%d\n", i,
+		pr_info("rb %d: fence:    %d/%d\n", i,
  			ring->memptrs->fence,
  			ring->seqno);
- printk("rptr: %d\n", get_rptr(adreno_gpu, ring));
-		printk("rb wptr:  %d\n", get_wptr(ring));
+		pr_info("rptr:     %d\n", get_rptr(adreno_gpu, ring));
+		pr_info("rb wptr:  %d\n", get_wptr(ring));
  	}
  }
@@ -780,7 +780,7 @@ void adreno_dump(struct msm_gpu *gpu)
  		return;
/* dump these out in a form that can be parsed by demsm: */
-	printk("IO:region %s 00000000 00020000\n", gpu->name);
+	pr_info("IO:region %s 00000000 00020000\n", gpu->name);
  	for (i = 0; adreno_gpu->registers[i] != ~0; i += 2) {
  		uint32_t start = adreno_gpu->registers[i];
  		uint32_t end   = adreno_gpu->registers[i+1];
@@ -788,7 +788,7 @@ void adreno_dump(struct msm_gpu *gpu)
for (addr = start; addr <= end; addr++) {
  			uint32_t val = gpu_read(gpu, addr);
-			printk("IO:R %08x %08x\n", addr<<2, val);
+			pr_info("IO:R %08x %08x\n", addr<<2, val);
  		}
  	}
  }



--
With best wishes
Dmitry



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