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authorAlex Deucher <alexander.deucher@amd.com>2017-09-07 01:06:45 +0300
committerAlex Deucher <alexander.deucher@amd.com>2018-02-19 22:17:13 +0300
commit73c732405fddfe16b122c77de83397289463b557 (patch)
tree4d2c61074161c4ada4678d6599340a5865916bfe /drivers
parentdd8d07f2fb2a5acb972e62a5cd00f6d56e7d2b8c (diff)
downloadlinux-73c732405fddfe16b122c77de83397289463b557.tar.xz
drm/amdgpu: add HDP asic callbacks for SOC15 (v2)
Needed to flush and invalidate the HDP block using the CPU. v2: use preferred register on soc15. 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> (v1)
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/soc15.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index a04a033f57de..ad39ffd012bc 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -583,6 +583,16 @@ static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
return adev->nbio_funcs->get_rev_id(adev);
}
+static void soc15_flush_hdp(struct amdgpu_device *adev)
+{
+ adev->nbio_funcs->hdp_flush(adev);
+}
+
+static void soc15_invalidate_hdp(struct amdgpu_device *adev)
+{
+ WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
+}
+
static const struct amdgpu_asic_funcs soc15_asic_funcs =
{
.read_disabled_bios = &soc15_read_disabled_bios,
@@ -594,6 +604,8 @@ static const struct amdgpu_asic_funcs soc15_asic_funcs =
.set_uvd_clocks = &soc15_set_uvd_clocks,
.set_vce_clocks = &soc15_set_vce_clocks,
.get_config_memsize = &soc15_get_config_memsize,
+ .flush_hdp = &soc15_flush_hdp,
+ .invalidate_hdp = &soc15_invalidate_hdp,
};
static int soc15_common_early_init(void *handle)