drm/radeon: remove dead code, si_mc_load_microcode (v2)

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>

diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 2523ca9..ae5ee74 100644 (file)
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -1547,7 +1547,7 @@ int si_mc_load_microcode(struct radeon_device *rdev)
 {
        const __be32 *fw_data = NULL;
        const __le32 *new_fw_data = NULL;
-       u32 running, blackout = 0;
+       u32 running;
        u32 *io_mc_regs = NULL;
        const __le32 *new_io_mc_regs = NULL;
        int i, regs_size, ucode_size;
@@ -1598,11 +1598,6 @@ int si_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);
@@ -1641,9 +1636,6 @@ int si_mc_load_microcode(struct radeon_device *rdev)
                                break;
                        udelay(1);
                }
-
-               if (running)
-                       WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
        }
 
        return 0;