diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3087-drm-amdgpu-add-HDP-asic-callbacks-for-VI.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3087-drm-amdgpu-add-HDP-asic-callbacks-for-VI.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3087-drm-amdgpu-add-HDP-asic-callbacks-for-VI.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3087-drm-amdgpu-add-HDP-asic-callbacks-for-VI.patch new file mode 100644 index 00000000..ec9c37a6 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3087-drm-amdgpu-add-HDP-asic-callbacks-for-VI.patch @@ -0,0 +1,52 @@ +From 8a1687ba5b26dda01b4a41eba713472f0a4e9836 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Wed, 6 Sep 2017 18:06:24 -0400 +Subject: [PATCH 3087/4131] drm/amdgpu: add HDP asic callbacks for VI +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Needed to flush and invalidate the HDP block using the CPU. + +Reviewed-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Samuel Li <Samuel.Li@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/vi.c | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c +index 729f7e5..58572e7 100644 +--- a/drivers/gpu/drm/amd/amdgpu/vi.c ++++ b/drivers/gpu/drm/amd/amdgpu/vi.c +@@ -899,6 +899,18 @@ static uint32_t vi_get_rev_id(struct amdgpu_device *adev) + >> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT; + } + ++static void vi_flush_hdp(struct amdgpu_device *adev) ++{ ++ WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1); ++ RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL); ++} ++ ++static void vi_invalidate_hdp(struct amdgpu_device *adev) ++{ ++ WREG32(mmHDP_DEBUG0, 1); ++ RREG32(mmHDP_DEBUG0); ++} ++ + static const struct amdgpu_asic_funcs vi_asic_funcs = + { + .read_disabled_bios = &vi_read_disabled_bios, +@@ -910,6 +922,8 @@ static const struct amdgpu_asic_funcs vi_asic_funcs = + .set_uvd_clocks = &vi_set_uvd_clocks, + .set_vce_clocks = &vi_set_vce_clocks, + .get_config_memsize = &vi_get_config_memsize, ++ .flush_hdp = &vi_flush_hdp, ++ .invalidate_hdp = &vi_invalidate_hdp, + }; + + #define CZ_REV_BRISTOL(rev) \ +-- +2.7.4 + |