drm/amdgpu/gmc7: remove dead code (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/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index bca50e590fdb77f4e57e6689d5970a552881ff1a..aa0c4b964621cd9726366fba08679394095b75f0 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -183,7 +183,7 @@ static int gmc_v7_0_mc_load_microcode(struct amdgpu_device *adev)
        const struct mc_firmware_header_v1_0 *hdr;
        const __le32 *fw_data = NULL;
        const __le32 *io_mc_regs = NULL;
-       u32 running, blackout = 0;
+       u32 running;
        int i, ucode_size, regs_size;
 
        if (!adev->mc.fw)
@@ -203,11 +203,6 @@ static int gmc_v7_0_mc_load_microcode(struct amdgpu_device *adev)
        running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
 
        if (running == 0) {
-               if (running) {
-                       blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
-                       WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1);
-               }
-
                /* reset the engine and set to writable */
                WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
                WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
@@ -239,9 +234,6 @@ static int gmc_v7_0_mc_load_microcode(struct amdgpu_device *adev)
                                break;
                        udelay(1);
                }
-
-               if (running)
-                       WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout);
        }
 
        return 0;