drm/amdgpu: optimize code about format string in gfx_v10_0_init_microcode()

the memset() and snprintf() is not necessary.

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 092deb4..7fc546f 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -3931,7 +3931,7 @@ static int gfx_v10_0_init_microcode(struct amdgpu_device *adev)
 {
        const char *chip_name;
        char fw_name[40];
-       char wks[10];
+       char *wks = "";
        int err;
        struct amdgpu_firmware_info *info = NULL;
        const struct common_firmware_header *header = NULL;
@@ -3944,7 +3944,6 @@ static int gfx_v10_0_init_microcode(struct amdgpu_device *adev)
 
        DRM_DEBUG("\n");
 
-       memset(wks, 0, sizeof(wks));
        switch (adev->asic_type) {
        case CHIP_NAVI10:
                chip_name = "navi10";
@@ -3953,7 +3952,7 @@ static int gfx_v10_0_init_microcode(struct amdgpu_device *adev)
                chip_name = "navi14";
                if (!(adev->pdev->device == 0x7340 &&
                      adev->pdev->revision != 0x00))
-                       snprintf(wks, sizeof(wks), "_wks");
+                       wks = "_wks";
                break;
        case CHIP_NAVI12:
                chip_name = "navi12";