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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0223-drm-amdgpu-gmc9-don-t-keep-stolen-memory-on-vega20.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.19.8/0223-drm-amdgpu-gmc9-don-t-keep-stolen-memory-on-vega20.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0223-drm-amdgpu-gmc9-don-t-keep-stolen-memory-on-vega20.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0223-drm-amdgpu-gmc9-don-t-keep-stolen-memory-on-vega20.patch
new file mode 100644
index 00000000..14d7cc04
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0223-drm-amdgpu-gmc9-don-t-keep-stolen-memory-on-vega20.patch
@@ -0,0 +1,46 @@
+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
+