diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0492-drm-amdgpu-gmc-add-proper-CG-flags-for-fiji.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0492-drm-amdgpu-gmc-add-proper-CG-flags-for-fiji.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0492-drm-amdgpu-gmc-add-proper-CG-flags-for-fiji.patch b/common/recipes-kernel/linux/files/0492-drm-amdgpu-gmc-add-proper-CG-flags-for-fiji.patch new file mode 100644 index 00000000..520881d6 --- /dev/null +++ b/common/recipes-kernel/linux/files/0492-drm-amdgpu-gmc-add-proper-CG-flags-for-fiji.patch @@ -0,0 +1,65 @@ +From 0d1a14aa1a603979cfa19b8e28822f53b5292133 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Fri, 8 Apr 2016 01:01:18 -0400 +Subject: [PATCH 0492/1110] drm/amdgpu/gmc: add proper CG flags for fiji + +We were already enabling these CG features, this uses +the standard interface for doing so. + +Acked-by: Tom St Denis <tom.stdenis@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 8 ++++---- + drivers/gpu/drm/amd/amdgpu/vi.c | 4 +++- + 2 files changed, 7 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +index bb254f1..9fbce45 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +@@ -1310,11 +1310,11 @@ static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev, + } + + static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev, +- bool enable) ++ bool enable) + { + uint32_t data; + +- if (enable) { ++ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) { + data = RREG32(mmMC_HUB_MISC_HUB_CG); + data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK; + WREG32(mmMC_HUB_MISC_HUB_CG, data); +@@ -1390,11 +1390,11 @@ static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev, + } + + static void fiji_update_mc_light_sleep(struct amdgpu_device *adev, +- bool enable) ++ bool enable) + { + uint32_t data; + +- if (enable) { ++ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) { + data = RREG32(mmMC_HUB_MISC_HUB_CG); + data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_HUB_MISC_HUB_CG, data); +diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c +index ea9edf4..16b2a29 100644 +--- a/drivers/gpu/drm/amd/amdgpu/vi.c ++++ b/drivers/gpu/drm/amd/amdgpu/vi.c +@@ -1089,7 +1089,9 @@ static int vi_common_early_init(void *handle) + AMD_CG_SUPPORT_BIF_LS | + AMD_CG_SUPPORT_HDP_MGCG | + AMD_CG_SUPPORT_HDP_LS | +- AMD_CG_SUPPORT_ROM_MGCG; ++ AMD_CG_SUPPORT_ROM_MGCG | ++ AMD_CG_SUPPORT_MC_MGCG | ++ AMD_CG_SUPPORT_MC_LS; + adev->pg_flags = 0; + adev->external_rev_id = adev->rev_id + 0x3c; + break; +-- +2.7.4 + |