From: Alex Deucher Date: Wed, 6 Sep 2017 22:06:45 +0000 (-0400) Subject: drm/amdgpu: add HDP asic callbacks for SOC15 (v2) X-Git-Tag: v4.19~1144^2~30^2~329 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=73c732405fddfe16b122c77de83397289463b557;p=platform%2Fkernel%2Flinux-rpi3.git 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 Signed-off-by: Alex Deucher Signed-off-by: Samuel Li (v1) --- 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)