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From: "Michel Dänzer" <michel-otUistvHUpPR7s880joybQ@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [PATCH] drm/amdgpu/si: Call amdgpu_ttm_set_active_vram_size from si_dma_start/stop
Date: Wed,  7 Sep 2016 11:52:32 +0900	[thread overview]
Message-ID: <20160907025232.5963-1-michel@daenzer.net> (raw)

From: Michel Dänzer <michel.daenzer@amd.com>

Without this, we were only ever using the first 256MB of VRAM.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97593
Tested-by: Konstantin A. Lepikhov <lakostis@altlinux.org>
Tested-by: Arek Ruśniak <arek.rusi@gmail.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/si_dma.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/si_dma.c b/drivers/gpu/drm/amd/amdgpu/si_dma.c
index 377f4ae..b0f41cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dma.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dma.c
@@ -137,6 +137,8 @@ static void si_dma_stop(struct amdgpu_device *adev)
 		rb_cntl &= ~DMA_RB_ENABLE;
 		WREG32(DMA_RB_CNTL + sdma_offsets[i], rb_cntl);
 
+		if (adev->mman.buffer_funcs_ring == ring)
+			amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size);
 		ring->ready = false;
 	}
 }
@@ -198,6 +200,9 @@ static int si_dma_start(struct amdgpu_device *adev)
 			ring->ready = false;
 			return r;
 		}
+
+		if (adev->mman.buffer_funcs_ring == ring)
+			amdgpu_ttm_set_active_vram_size(adev, adev->mc.real_vram_size);
 	}
 
 	return 0;
-- 
2.9.3

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             reply	other threads:[~2016-09-07  2:52 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-07  2:52 Michel Dänzer [this message]
     [not found] ` <20160907025232.5963-1-michel-otUistvHUpPR7s880joybQ@public.gmane.org>
2016-09-07 15:02   ` [PATCH] drm/amdgpu/si: Call amdgpu_ttm_set_active_vram_size from si_dma_start/stop Deucher, Alexander

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