From 899bd2695fa9c0904b128716818d41d10c3725a0 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 6 Sep 2017 18:06:45 -0400 Subject: [PATCH 3088/4131] drm/amdgpu: add HDP asic callbacks for SOC15 (v2) 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. v2: use preferred register on soc15. Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Samuel Li (v1) --- drivers/gpu/drm/amd/amdgpu/soc15.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index a04a033..ad39ffd 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) -- 2.7.4