diff options
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.patch | 46 |
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 + |