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From 9f10f210b8a0d3248996338e979c7a871b45c57d Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 30 Aug 2018 09:46:27 -0500
Subject: [PATCH 0223/2940] drm/amdgpu/gmc9: don't keep stolen memory on vega20
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Vega20 does not appear to be affected by the same issue
as vega10. Enable the full stolen memory handling on
vega20. Reserve the appropriate size at init time to avoid
display artifacts and then free it at the end of init once
the new FB is up and running.
Change-Id: I46c569cb06638381c400ece457dfa13693803690
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 7ba281aee15d..78be42209487 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -705,14 +705,13 @@ static bool gmc_v9_0_keep_stolen_memory(struct amdgpu_device *adev)
* Also check code in gmc_v9_0_get_vbios_fb_size and gmc_v9_0_late_init
*/
switch (adev->asic_type) {
+ case CHIP_VEGA10:
+ return true;
case CHIP_RAVEN:
- return false;
case CHIP_VEGA12:
- return false;
- case CHIP_VEGA10:
case CHIP_VEGA20:
default:
- return true;
+ return false;
}
}
--
2.17.1
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