On 01/18/2018 10:49 AM, James Zhu wrote: > Add Polaris version check if firmware support UVD encode > > Signed-off-by: James Zhu <James.Zhu at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c > index 319d4b3..e720c4f 100644 > --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c > +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c > @@ -37,8 +37,12 @@ > #include "gmc/gmc_8_1_d.h" > #include "vi.h" > > +/* Polaris10/11/12 firmware version */ > +#define FW_1_130_16 ((1 << 24) | (130 << 16) | (16 << 8)) > + > static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev); > static void uvd_v6_0_set_enc_ring_funcs(struct amdgpu_device *adev); > +static void uvd_v6_0_unset_enc_ring_funcs(struct amdgpu_device *adev); > > static void uvd_v6_0_set_irq_funcs(struct amdgpu_device *adev); > static int uvd_v6_0_start(struct amdgpu_device *adev); > @@ -402,6 +406,11 @@ static int uvd_v6_0_sw_init(void *handle) > if (r) > return r; > > + if (adev->uvd.fw_version < FW_1_130_16) { > + uvd_v6_0_unset_enc_ring_funcs(adev); This looks a little weird to me. Is possible just move initial set ring funcs to after firmware loading? Leo > + adev->uvd.num_enc_rings = 0; > + } > + > if (adev->uvd.num_enc_rings) { > struct drm_sched_rq *rq; > > @@ -1640,6 +1649,18 @@ static void uvd_v6_0_set_enc_ring_funcs(struct amdgpu_device *adev) > DRM_INFO("UVD ENC is enabled in VM mode\n"); > } > > +static void uvd_v6_0_unset_enc_ring_funcs(struct amdgpu_device *adev) > +{ > + int i; > + > + for (i = 0; i < adev->uvd.num_enc_rings; ++i) > + adev->uvd.ring_enc[i].funcs = NULL; > + > + adev->uvd.irq.num_types = 1; > + > + DRM_INFO("UVD ENC is disabled\n"); > +} > + > static const struct amdgpu_irq_src_funcs uvd_v6_0_irq_funcs = { > .set = uvd_v6_0_set_interrupt_state, > .process = uvd_v6_0_process_interrupt,