提交 d55a43a3 编写于 作者: A Alex Deucher

drm/radeon: add support for vce 1.0 clock gating

Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
上级 a918efab
......@@ -2455,6 +2455,8 @@ int radeon_asic_init(struct radeon_device *rdev)
/* set num crtcs */
rdev->num_crtc = 4;
rdev->has_uvd = true;
rdev->cg_flags =
RADEON_CG_SUPPORT_VCE_MGCG;
break;
case CHIP_TAHITI:
case CHIP_PITCAIRN:
......
......@@ -1894,6 +1894,7 @@
#define VCE_RB_RPTR 0x2018c
#define VCE_RB_WPTR 0x20190
#define VCE_CLOCK_GATING_A 0x202f8
# define CGC_DYN_CLOCK_MODE (1 << 16)
#define VCE_CLOCK_GATING_B 0x202fc
#define VCE_UENC_CLOCK_GATING 0x205bc
#define VCE_UENC_REG_CLOCK_GATING 0x205c0
......
......@@ -99,6 +99,61 @@ void vce_v1_0_set_wptr(struct radeon_device *rdev,
WREG32(VCE_RB_WPTR2, ring->wptr);
}
void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool enable)
{
u32 tmp;
if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_VCE_MGCG)) {
tmp = RREG32(VCE_CLOCK_GATING_A);
tmp |= CGC_DYN_CLOCK_MODE;
WREG32(VCE_CLOCK_GATING_A, tmp);
tmp = RREG32(VCE_UENC_CLOCK_GATING);
tmp &= ~0x1ff000;
tmp |= 0xff800000;
WREG32(VCE_UENC_CLOCK_GATING, tmp);
tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
tmp &= ~0x3ff;
WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
} else {
tmp = RREG32(VCE_CLOCK_GATING_A);
tmp &= ~CGC_DYN_CLOCK_MODE;
WREG32(VCE_CLOCK_GATING_A, tmp);
tmp = RREG32(VCE_UENC_CLOCK_GATING);
tmp |= 0x1ff000;
tmp &= ~0xff800000;
WREG32(VCE_UENC_CLOCK_GATING, tmp);
tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
tmp |= 0x3ff;
WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
}
}
static void vce_v1_0_init_cg(struct radeon_device *rdev)
{
u32 tmp;
tmp = RREG32(VCE_CLOCK_GATING_A);
tmp |= CGC_DYN_CLOCK_MODE;
WREG32(VCE_CLOCK_GATING_A, tmp);
tmp = RREG32(VCE_CLOCK_GATING_B);
tmp |= 0x1e;
tmp &= ~0xe100e1;
WREG32(VCE_CLOCK_GATING_B, tmp);
tmp = RREG32(VCE_UENC_CLOCK_GATING);
tmp &= ~0xff9ff000;
WREG32(VCE_UENC_CLOCK_GATING, tmp);
tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
tmp &= ~0x3ff;
WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
}
int vce_v1_0_load_fw(struct radeon_device *rdev, uint32_t *data)
{
struct vce_v1_0_fw_signature *sign = (void*)rdev->vce_fw->data;
......@@ -219,6 +274,8 @@ int vce_v1_0_resume(struct radeon_device *rdev)
if (i == 10)
return -ETIMEDOUT;
vce_v1_0_init_cg(rdev);
return 0;
}
......
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