drm/radeon/cik: remove dead code (v2)
authorHeinrich Schuchardt <xypron.glpk@gmx.de>
Sun, 21 Aug 2016 19:41:49 +0000 (21:41 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 23 Aug 2016 17:48:06 +0000 (13:48 -0400)
In an if block for (running == 0) running cannot be non-zero.

v2: agd: remove unused variable

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/cik.c

index 0c1b9ff433af706c15347467a756a7f71e36746a..a0427f0adbab25e9eaf0ba585c9616e0647f3c6d 100644 (file)
@@ -1871,7 +1871,7 @@ int ci_mc_load_microcode(struct radeon_device *rdev)
 {
        const __be32 *fw_data = NULL;
        const __le32 *new_fw_data = NULL;
-       u32 running, blackout = 0, tmp;
+       u32 running, tmp;
        u32 *io_mc_regs = NULL;
        const __le32 *new_io_mc_regs = NULL;
        int i, regs_size, ucode_size;
@@ -1912,11 +1912,6 @@ int ci_mc_load_microcode(struct radeon_device *rdev)
        running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
 
        if (running == 0) {
-               if (running) {
-                       blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
-                       WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
-               }
-
                /* reset the engine and set to writable */
                WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
                WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
@@ -1964,9 +1959,6 @@ int ci_mc_load_microcode(struct radeon_device *rdev)
                                break;
                        udelay(1);
                }
-
-               if (running)
-                       WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
        }
 
        return 0;