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From: Heinrich Schuchardt <xypron.glpk@gmx.de>
To: "Alex Deucher" <alexander.deucher@amd.com>,
	"Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>,
	Chunming Zhou <David1.Zhou@amd.com>,
	Ken Wang <Qingqing.Wang@amd.com>,
	Tom St Denis <tom.stdenis@amd.com>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Heinrich Schuchardt <xypron.glpk@gmx.de>
Subject: [PATCH 1/1] drm/amdgpu/gmc7: remove dead code
Date: Sun, 21 Aug 2016 20:06:32 +0200	[thread overview]
Message-ID: <1471802792-3059-1-git-send-email-xypron.glpk@gmx.de> (raw)

In an if block for (running == 0) running cannot be non-zero.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 0b0f086..1239463 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -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;
-- 
2.1.4

             reply	other threads:[~2016-08-21 18:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-21 18:06 Heinrich Schuchardt [this message]
2016-08-21 18:29 ` [PATCH 1/1] drm/amdgpu/gmc7: remove dead code Joe Perches
2016-08-21 18:45   ` Heinrich Schuchardt
2016-08-21 18:49     ` Joe Perches
2016-08-22  7:49 ` Christian König

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